S$147 Cheap Flights from Seattle to Boston

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Cheap Flights from Seattle to Boston (SEA-BOS)

Prices were available within the past 7 days and start at S$147 for one-way flights and S$294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 19 Mar - Sat, 29 Mar
SEA
Seattle
BOS
Boston
S$294 Return, found 2 days ago
S$294
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Mar from Seattle to Boston, returning Sat, 29 Mar, priced at S$294 found 2 days ago
Delta
Mon, 3 Mar - Tue, 11 Mar
SEA
Seattle
BOS
Boston
S$295 Return, found 8 hours ago
S$295
Return
found 8 hours ago
Select Delta flight, departing Mon, 3 Mar from Seattle to Boston, returning Tue, 11 Mar, priced at S$295 found 8 hours ago
Delta
Thu, 27 Feb - Sun, 2 Mar
SEA
Seattle
BOS
Boston
S$297 Return, found 3 days ago
S$297
Return
found 3 days ago
Select Delta flight, departing Thu, 27 Feb from Seattle to Boston, returning Sun, 2 Mar, priced at S$297 found 3 days ago
Delta
Wed, 19 Mar - Sat, 29 Mar
SEA
Seattle
BOS
Boston
S$322 Return, found 2 days ago
S$322
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Mar from Seattle to Boston, returning Sat, 29 Mar, priced at S$322 found 2 days ago
Delta
Mon, 3 Mar - Tue, 11 Mar
SEA
Seattle
BOS
Boston
S$348 Return, found 8 hours ago
S$348
Return
found 8 hours ago
Select Delta flight, departing Mon, 3 Mar from Seattle to Boston, returning Tue, 11 Mar, priced at S$348 found 8 hours ago
United
Wed, 19 Mar - Sat, 29 Mar
SEA
Seattle
BOS
Boston
S$375 Return, found 2 days ago
S$375
Return
found 2 days ago
Select United flight, departing Wed, 19 Mar from Seattle to Boston, returning Sat, 29 Mar, priced at S$375 found 2 days ago
Delta
Wed, 19 Mar - Sat, 29 Mar
SEA
Seattle
BOS
Boston
S$375 Return, found 2 days ago
S$375
Return
found 2 days ago
Select Delta flight, departing Wed, 19 Mar from Seattle to Boston, returning Sat, 29 Mar, priced at S$375 found 2 days ago
Delta
Mon, 3 Mar - Tue, 11 Mar
SEA
Seattle
BOS
Boston
S$376 Return, found 8 hours ago
S$376
Return
found 8 hours ago
Select Delta flight, departing Mon, 3 Mar from Seattle to Boston, returning Tue, 11 Mar, priced at S$376 found 8 hours ago
American Airlines
Thu, 27 Feb - Sun, 2 Mar
SEA
Seattle
BOS
Boston
S$379 Return, found 3 days ago
S$379
Return
found 3 days ago
Select American Airlines flight, departing Thu, 27 Feb from Seattle to Boston, returning Sun, 2 Mar, priced at S$379 found 3 days ago
Hawaiian Airlines
Mon, 3 Mar - Tue, 11 Mar
SEA
Seattle
BOS
Boston
S$402 Return, found 8 hours ago
S$402
Return
found 8 hours ago
Select Hawaiian Airlines flight, departing Mon, 3 Mar from Seattle to Boston, returning Tue, 11 Mar, priced at S$402 found 8 hours ago
Seattle to Boston route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, Hawaiian Airlines, United
Return price
S$293
Distance
3980 km

Flights from Seattle to Boston

There are several airlines that operate frequent flights from Seattle (SEA) to Boston (BOS) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 07:00 and arrives at Logan Intl. Airport at 05:37. The last flight of the day departs Seattle at 23:59 and arrives at Boston at 23:59.

The flight distance from Seattle to Boston is about 4026 km, the shortest flight is 05 hours 05 minutes with .

Expedia lets you search across the largest number of airlines and Boston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Boston flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Boston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Boston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Boston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from SEA to Logan Intl. Airport (BOS)?
If you’re travelling from Sea-Tac Airport to BOS, round-trip flights start from S$294. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don’t wait around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to BOS?
We get that your situation can change unexpectedly, so we’ve made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport (BOS) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to Logan Intl. Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Logan Intl. Airport?
With around 4,000 kilometres separating Sea-Tac Airport and Logan Intl. Airport, your flight will be a long one. Pack wisely to make your time in the air more comfortable. Simple things like an eye mask and a quality neck pillow can make a massive difference.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Logan Intl. Airport?
A popular airline that operates on the route from SEA to Logan Intl. Airport (BOS) is Alaska Airlines (AS). It offers 117 flights a month. Like some more options? Check out the airfares with Delta Air Lines (DL). This carrier offers 78 monthly flights between these airports.
Are Sea-Tac Airport to BOS flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from Sea-Tac Airport to BOS, but there’s no guarantee. As many airlines advertise prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can feel confident knowing you’re always getting the latest offers.
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