My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. The flight time from Seattle to Boston is 5 hours, 16 minutes. The time spent in the air is 4 hours, 46 minutes. These numbers are averages. In reality, it varies by airline with JetBlue being the fastest taking 5 hours, 11 minutes, and Alaska the slowest taking 5 …Mar 22, 2024 · The two airlines most popular with KAYAK users for flights from Boston to Seattle are Alaska Airlines and JetBlue. With an average price for the route of $372 and an overall rating of 8.3, Alaska Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of $398 and an overall rating of 8.1. The two airlines most popular with KAYAK users for flights from Seattle to Boston are Alaska Airlines and Delta. With an average price for the route of C$ 475 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 323 and an overall rating of 8.0.05:32PM EDT Boston Logan Intl - BOS. 08:47PM PDT Seattle-Tacoma Intl - SEA. A321. 6h 15m. Join FlightAware View more flight history Purchase entire flight history for JBU197. Get Alerts.The two airlines most popular with KAYAK users for flights from Boston to Beijing are Korean Air and Hainan Airlines. With an average price for the route of $1,995 and an overall rating of 8.5, Korean Air is the most popular choice. Hainan Airlines is also a great choice for the route, with an average price of $1,463 and an overall rating of 8.1.AS459 and Boston BOS to Seattle SEA Flights. Flight AS459 is code-shared by 5 airlines using the flight numbers AA9302, DE5235, JL6357, KE6222, TN2335. Other flights departing from Boston BOS: AA1467, AA1509, DL5843, WN3047. Other flights arriving at Seattle SEA: DL143, AS767, DL697, DL3953. Airfares from $125 One Way, $226 Round Trip from Boston to Seattle. Prices starting at $226 for return flights and $125 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Disclaimer for AS317 Flight Radar Data. Flight AS317 from Boston to Seattle is operated by Alaska Airlines. Scheduled time of departure from Boston Logan Intl is 19:59 EDT and scheduled time of arrival in Seattle Tacoma Intl is 23:13 PDT. The duration of the flight Alaska Airlines AS 317 is 6 hours 14 minutes.Compare cheap flights and find tickets from Boston (BOS) to Seattle (SEA). Book directly with no added fees. Skyscanner. Help; English (UK) EN Australia $ AUD AUD ($) Flights. Hotels. Car Hire. Cheap Flights from Boston to Seattle ... Add nearby airports. Depart. Return. Cabin Class & Travellers 1 adult, Economy. Direct flights only. Search ...The two airlines most popular with KAYAK users for flights from San Diego to Boston are Alaska Airlines and Delta. With an average price for the route of $417 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $373 and an overall rating of 8.0.fly for about 4.5 hours in the air. 5:48 pm (local time): Logan International (BOS) Boston is 3 hours ahead of Seattle. so the time in Seattle is actually 2:48 pm. taxi on the runway for an average of 9 minutes to the gate. 5:57 pm (local time): arrive at the gate at BOS. deboard the plane, and claim any baggage.Each day, there are between 12 and 18 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 15:00 and most flights take off in the morning. Each week, there are 109 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart.Round-trip One-way. Mon 4/22. Mon 4/29. 1 adult, Economy. Find deals. We work with more than 300 partners to bring you better travel deals. The best prices from …HU730 and Boston BOS to Seattle SEA Flights. This is a multi leg flight of Hainan Airlines HU730. Next leg is Seattle to Beijing. Other flights departing from Boston BOS: UA729, WN4615, AA1664, UA205. Other flights arriving at Seattle SEA: AS305, DL887, AA2368, DL1359. All flights connecting Boston BOS to Seattle SEA.Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £110 for one-way flights and £205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Return. Fri, 3 May - Tue, 7 May. BOS. Flights from Boston to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Seattle. Find the best flights fast,... Book one-way or return flights from Boston to Seattle starting at US$91. Fly with top airlines and search for flights deals on Trip.com now!Direct. from $55. Seattle.$63 per passenger.Departing Tue, Apr 30, returning Sat, May 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Apr 30, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departing from Seattle / Tacoma ... Find flights to Seattle from $117. Fly from Boston on American Airlines, Spirit Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal. My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. The cheapest prices found with in the last 7 days for return flights were $53 and $39 for one-way flights to Seattle for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, May 15 - Wed, May 22. PHX. Find flights to Seattle from $120. Fly from Boston on Sun Country Air, American Airlines, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal. Boston Logan, MA to Seattle/Tacoma, WA. departing on 10/29. one-way starting at*. $179. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 17 travel days available. There are 4 airlines that fly nonstop from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $133 for a one-way flight. On average, the best prices for this route can be found at Alaska Airlines. Apr 26, 2020 · $129 Cheap Delta flights Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at $129 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Cheap Flights from Seattle Paine Field Intl. Airport to Boston (PAE-BOS) Prices were available within the past 7 days and start at $206 for one-way flights and $439 for round trip, for the period specified. Prices and availability are …Use Google Flights to find cheap departing flights to Seattle and to track prices for specific travel dates for your next getaway.Disclaimer for AS317 Flight Radar Data. Flight AS317 from Boston to Seattle is operated by Alaska Airlines. Scheduled time of departure from Boston Logan Intl is 19:59 EDT and scheduled time of arrival in Seattle Tacoma Intl is 23:13 PDT. The duration of the flight Alaska Airlines AS 317 is 6 hours 14 minutes.Amazing JetBlue Airways BOS to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $244 round trip and $139 one way. Prices and availability subject to change. Additional terms may apply. Fri, May 3 - Tue, May 7.Feb 4, 2024 · Find the best deals on flights from Boston Logan International (BOS) to Seattle / Tacoma International (SEA). Compare prices from hundreds of major travel agents and airlines, all in one search. Amazing American Airlines BOS to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $316 round trip and $152 one way. Prices and availability subject to change. Additional terms may apply. Sat, Mar 23 - Mon, Mar 25. Fly direct from London to Seattle with British Airways to begin your Washington State adventure. The city’s diverse neighbourhoods are compact and walkable, so you can cover plenty of ground in a day. Start your morning the Seattle way, with freshly brewed coffee, then hop on the Seattle Centre Monorail, which stops at the Museum of Pop ...Prices were available within the past 7 days and start at ₹11,552 for one-way flights and ₹21,344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Compare & reserve one-way or return flights from Boston to Seattle from ₹11,552 only to get the best flight deals and promotions ... Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ... Flights to Boston, MA (BOS) Origin. Destination. Filters. Boston has the distinction of being one of the oldest cities in the United States, founded in 1630 by Puritan colonists from England, and you can’t throw a rock without hitting a piece of history. Established in 1634, Boston Common’s 50 sprawling acres of green space is the oldest ...Lowest fares from Seattle to Boston. Searching for cheap flights from Seattle to Boston? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.There are 4 airlines that fly direct from Boston to Seattle. They are: Alaska Airlines, Delta, Hainan Airlines and JetBlue. The cheapest price of all airlines flying this route was found …On average, a flight to Boston costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $29 and departed from Myrtle Beach. The most popular routes on KAYAK are Washington, D.C. to Boston which costs $306 on average, and San Francisco to Boston, which costs $428 on average. See prices from:Lowest Fare for Boston to Seattle Flight ₹ 10665- 27 Apr: Today's Lowest Fare ₹ 0: Total flights from Boston to Seattle in a Week : 142 Flights : First Flight: American Airlines, departs at 05:25: Last Flight: JetBlue Airways, Alaska Airlines, departs at 20:25: Non-Stop Flights from Boston to Seattle: 9: Airport Name & codes of Boston & Seattle14-Mar-2024. 07:37AM EDT Boston Logan Intl - BOS. 10:44AM PDT Seattle-Tacoma Intl - SEA. B39M. 6h 07m. Join FlightAware View more flight history Purchase entire flight history for ASA459. Get Alerts.Cheap Flights from Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at £103 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Boston to Seattle with no change fee on selected ...Find flights to Seattle from $135. Fly from Boston on Spirit Airlines, United Airlines, American Airlines and more. Search for Seattle flights on KAYAK now to find the best …From. New York (JFK) to Seattle (SEA) From. $154. one-way. Restrictions Apply. Boston (BOS) to Seattle (SEA) From. $194.Mar 29, 2024 · Flights from Boston, MA to Seattle, WA cover the 2480 miles (4000 km) long trip taking on average 6 h 23 min with our travel partners like Alaska Airlines, JetBlue Airways or United. While the average ticket price for this route costs around $250 (€218), you can find the cheapest plane ticket for as low as $165 (€143). Each day, there are between 9 and 14 nonstop flights that take off from Boston and land in Seattle, with an average flight time of 6h 13m. The most common departure time is …Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Orlando nonstop $79. Miami nonstop $87. Fort Lauderdale nonstop $85. Tampa 1 stop $106. Fort Myers nonstop $87. Jacksonville 1 stop $83. Sarasota 1 stop $116.Helpful Information. All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Help Center. Delta Discover Map. Flight Status & Notifications.BOS - Boston Logan - Signature Flight Support 240 Prescott St, Boston, MA 02128 View Airport; Charter to Boston Private Jet Charter Boston to Seattle Local Seattle Airports SEA - Seattle Tacoma International - 2400 S 170th St, SeaTac, WA 98158, USA View Airport; Charter to SeattleBOS. Logan International Airport. Seattle / Tacoma. United States. SEA. Seattle–Tacoma International Airport. Check Prices. Flight schedule. su. mo. tu. we. th. fr. sa. Distance. …The two airlines most popular with KAYAK users for flights from San Diego to Boston are Alaska Airlines and Delta. With an average price for the route of $417 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $373 and an overall rating of 8.0.New England traded a 2024 International Roster Spot and up to $75,000 in General Allocation Money (GAM) in exchange for the 29-year-old Arreaga, who had …Find flights to Alaska from $254. Fly from Boston on Alaska Airlines, Sun Country Air, Delta and more. Search for Alaska flights on KAYAK now to find the best deal.She was the No. 1 overall pick by Seattle in the 2002 WNBA draft and played 19 seasons. She retired after the 2022 season as the league's all-time assists leader …DL384 and Boston BOS to Seattle SEA Flights. Flight DL384 is code-shared by 3 airlines using the flight numbers KE3010, MU8686, VS3721. Other flights departing from Boston BOS: AA2096, B6569, DL1762, AA2980. Other flights arriving at Seattle SEA: DL166, AS370, AS349, AS629.Flights from Boston to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Seattle. Find the best flights fast,...Important Information about Ahmedabad to Seattle Flight. Lowest Fare for Ahmedabad to Seattle Flight. ₹ 57505- 28 Jun. Today's Lowest Fare. ₹ 121200. Total flights from Ahmedabad to Seattle in a Week. 120 Flights. First Flight.Round-trip One-way. Mon 4/22. Mon 4/29. 1 adult, Economy. Find deals. We work with more than 300 partners to bring you better travel deals. The best prices from …The Federal Aviation Administration lifted a ground stop for all Alaska Airlines flights Wednesday after grounding the planes earlier as a result of a computer problem …Disclaimer for AS317 Flight Radar Data. Flight AS317 from Boston to Seattle is operated by Alaska Airlines. Scheduled time of departure from Boston Logan Intl is 19:59 EDT and scheduled time of arrival in Seattle Tacoma Intl is 23:13 PDT. The duration of the flight Alaska Airlines AS 317 is 6 hours 14 minutes.Each day, there are between 12 and 18 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 15:00 and most flights take off in the morning. Each week, there are 109 flights. The most frequent day of departure is Sunday, when 17% of all weekly flights depart.Prices were available within the past 7 days and start at ₹11,552 for one-way flights and ₹21,344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Compare & reserve one-way or return flights from Boston to Seattle from ₹11,552 only to get the best flight deals and promotions ...Unless our flight has been listed as "cancelled" we suggest you always check-in for the original scheduled departure time of your flight. Check the status of your United Airlines flight by searching by route or flight …The two airlines most popular with KAYAK users for flights from Boston to San Francisco are Alaska Airlines and Delta. With an average price for the route of $371 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $338 and an overall rating of 8.0.Check real-time flight status of B6197 from Boston to Seattle on Trip.com. Find latest flight arrivals & departures and other travel information. Book Jetblue Airways flight tickets with us! Hotels; Flights; Trains; Cars. ... Seattle (SEA) Boston (BOS) Tue, Apr 23. One way. 80% OFF. US$621 From US$121. Seattle (SEA) Boston (BOS) Wed, Apr 17 ...Find flights to Alaska from $254. Fly from Boston on Alaska Airlines, Sun Country Air, Delta and more. Search for Alaska flights on KAYAK now to find the best deal.Find best cheap flight deals from Boston to Seattle today! Compare & reserve one-way or return flight tickets from Boston to Seattle on Trip.com. Browse direct and non-stop flight airfares to Seattle on different airlines.Book Cheap Nonstop & Direct Flights from Boston to Seattle: Search and compare airfares on Tripadvisor to find the best nonstop and direct flights for your trip from Boston to Seattle. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for non stop and direct flights going to and from your destination.all flights from Boston (BOS) to Seattle (SEA). On-Time Performance and Delay Statistics - Flightera.net. ... Route Information for Boston to Seattle BOS Boston United States-> 6 hours 18 min 4,010km 2,492mi. SEA Seattle United States. 50 Flights/Week ...The two airlines most popular with KAYAK users for flights from San Diego to Boston are Alaska Airlines and Delta. With an average price for the route of $417 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $373 and an overall rating of 8.0.Atlanta, GA - Hartsfield-Jackson Atlanta Intl Airport is the most popular connection for one stop flights between Boston, MA and Seattle; In-Flight information. The average flying time for a direct flight from Boston, MA to Seattle is 6 hours 24 minutes; Most direct flights leave around 7:00 EDT; Korean Air flight #25 is today's earliest flight ...Apr 17, 2024 · Cheap USA to Seattle flights in April & May 2024. Check out some of the best flight deals from USA to Seattle in 2024. Check back in a little while for more flight options. Sat 5/4 11:45 am DEN - SEA. Nonstop 3h 00m Frontier. Tue 5/7 9:35 pm SEA - DEN. Nonstop 2h 50m Frontier. Deal found 4/16 $69. Jan 28, 2024 · Flights from Spirit Airlines typically cost $377.91 RT. The cheapest Spirit Airlines flight found for this route was $138. When traveling from Boston to Seattle on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. Options include a mid-size jet, like the popular Hawker 750, starting at $35,750 up to a heavier and larger jet, like the Global Express XRS, at $68,380. Visit Our Pricing Page. Super-Mid Jet. Est. Price $43,383 - $47,950. Flight Duration 5.80 hrs. Fuel Stop 1. Heavy Jet. Est. Price $61,822 - $68,330. Flight Duration 5.40 hrs.Cheap Flights from Boston to San Francisco (BOS-SFO) Prices were available within the past 7 days and start at $98 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to San Francisco with no change fee on ... The two airlines most popular with KAYAK users for flights from Boston to Beijing are Korean Air and Hainan Airlines. With an average price for the route of $1,995 and an overall rating of 8.5, Korean Air is the most popular choice. Hainan Airlines is also a great choice for the route, with an average price of $1,463 and an overall rating of 8.1. fly for about 4.5 hours in the air. 5:48 pm (local time): Logan International (BOS) Boston is 3 hours ahead of Seattle. so the time in Seattle is actually 2:48 pm. taxi on the runway for an average of 9 minutes to the gate. 5:57 pm (local time): arrive at the gate at BOS. deboard the plane, and claim any baggage.Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years.Apr 17, 2024 · Cheap USA to Seattle flights in April & May 2024. Check out some of the best flight deals from USA to Seattle in 2024. Check back in a little while for more flight options. Sat 5/4 11:45 am DEN - SEA. Nonstop 3h 00m Frontier. Tue 5/7 9:35 pm SEA - DEN. Nonstop 2h 50m Frontier. Deal found 4/16 $69. Flights from Seattle to Boston. Flights to Boston. Massachusetts. United States of America. Flights. Expedia.com. $101 Cheap Flights from Seattle (SEA) to Boston …Find cheap flights to Seattle from $43. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. Search. Direct flights only. Search hundreds of travel sites at once …
The total flight duration from Seattle, WA to Boston, MA is 4 hours, 45 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like SEA to BOS. It covers the entire time on a typical commercial flight including take-off and landing.. Websteronline
B789. Arrived / Gate Arrival. Sun 05:40PM EST. 08:30PM PST Sun. Boston Logan Intl (KBOS) - Seattle-Tacoma Intl (KSEA) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.Flying time between cities. Travelmath provides an online flight time calculator for all types of travel routes. You can enter airports, cities, states, countries, or zip codes to find the flying time between any two points. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a ...Cheap Flights from Boston to Seattle Paine Field Intl. Airport (BOS-PAE) Prices were available within the past 7 days and start at $215 for one-way flights and $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Apr 26, 2020 · $129 Cheap Delta flights Boston (BOS) to Seattle (SEA) Prices were available within the past 7 days and start at $129 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. AS459 and Boston BOS to Seattle SEA Flights. Flight AS459 is code-shared by 5 airlines using the flight numbers AA9302, DE5235, JL6357, KE6222, TN2335. Other flights departing from Boston BOS: AA1467, AA1509, DL5843, WN3047. Other flights arriving at Seattle SEA: DL143, AS767, DL697, DL3953.Track AA9302 from Boston to Seattle: American Airlines flight status, schedule, delay compensation, and real-time updates. Flight Tracker; ... AA9302 Flight Status American Airlines: Boston to Seattle (AAL9302) American Airlines AA 9302. Scheduled in 06:52:08 ' Boston. Boston Logan International Airport (BOS) All BOS …Airlines. Virgin Atlantic to Seattle. British Airways to Seattle. KLM to Seattle. Find flights to Seattle SEA from £285. Fly from the United Kingdom on Virgin Atlantic, British Airways & more. London from £285; Edinburgh from £314; Manchester from £329 | KAYAK.Find deals on Seattle to Boston flights. Please use the search function at the top of the page to find our best flight deals. *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to ...06:33AM EDT Boston Logan Intl - BOS. 09:41AM PDT Seattle-Tacoma Intl - SEA. A21N. 6h 08m. Join FlightAware View more flight history Purchase entire flight history for DAL384. Get Alerts.AS317 and Boston BOS to Seattle SEA Flights. Flight AS317 is code-shared by 2 airlines using the flight numbers QR2967, TN2331. Other flights departing from Boston BOS: B6197, B6327, NK2086, 9K1007. Other flights arriving at Seattle SEA: AS1403, AS345, AS1071, WN787. All flights connecting Boston BOS to Seattle SEA.May 7, 2024. today. Home. Flights. To United States. Boston to Seattle. Lowest fares from Boston to Seattle. From. location_on. compare_arrows. To. …Cheap Flights from Los Angeles to Seattle (LAX-SEA) Prices were available within the past 7 days and start at $47 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Los Angeles to Seattle with no change fee on selected ...JetBlue offers flights to 90+ destinations with free inflight entertainment, free brand-name snacks and drinks, lots of legroom and award-winning service. Book JetBlue flights and vacation packages to 100+ destinations. Award-winning service, the most legroom in coach, free wi-fi, live TV, movies, snacks, and more.AS349 and Boston BOS to Seattle SEA Flights. Flight AS349 is code-shared by 3 airlines using the flight numbers AA9369, JL6357, TN2336. Other flights departing from Boston BOS: B6167, DL5670, AA2600, DL627. Other flights arriving at Seattle SEA: UA1986, AS2400, AS2185, AS9441. All flights connecting Boston BOS to Seattle SEA.Washington ». Seattle. $227. Flights to Seattle, Seattle. Find flights to Seattle from $125. Fly from Massachusetts on American Airlines, Alaska Airlines, JetBlue and more. Search for Seattle flights on KAYAK now to find the best deal.Iranian officials said on Friday that an Israeli strike hit a military air base near Isfahan, a city in central Iran. The scale and method of the attack were unclear. Iranian … Airfares from $125 One Way, $226 Round Trip from Boston to Seattle. Prices starting at $226 for return flights and $125 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. 9. Virgin Atlantic. Virgin Atlantic, Sir Richard Branson’s brainchild, has always been about breaking the mold and offering a flight experience that’s anything but ordinary. As one of the best airlines to travel to Seattle, Virgin Atlantic brings British flair, a sprinkle of fun, and a whole lot of style to the skies..