SEA - BOS Price | $207 - $448 |
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BOS Temperature | 30.2 - 73.4 °F |
BOS Rainfall | 3.1 - 4 inches |
Popular in | December | High demand for flights, 35% potential price rise |
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Cheapest in | January | Best time to find cheap flights, 29% potential price drop |
Round-trip from | $207 | From Seattle/Tacoma Intl to Boston Logan Intl |
One-way from | $179 | One-way flight from Seattle/Tacoma Intl to Boston Logan Intl |
Saturday flights are found to be more expensive to fly from Seattle to Boston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 62% on flights from Seattle to Boston compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $377. For sooner than that we have options available in the next 3 days from $482.
Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Seattle to Boston by exploring options for tickets at noon.
Seattle/Tacoma Intl
Boston Logan Intl
Nonstop
5h 23mBoston Logan Intl
Seattle/Tacoma Intl
Nonstop
6h 17mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
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5h 23mBoston Logan Intl
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6h 15mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
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5h 23mBoston Logan Intl
Seattle/Tacoma Intl
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6h 15mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
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5h 19mBoston Logan Intl
Seattle/Tacoma Intl
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6h 36mDelta
Seattle/Tacoma Intl
Boston Logan Intl
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5h 16mBoston Logan Intl
Seattle/Tacoma Intl
1 stop
10h 20mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
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9h 54mBoston Logan Intl
Seattle/Tacoma Intl
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6h 19mMultiple Airlines
Seattle/Tacoma Intl
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5h 14mBoston Logan Intl
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6h 19mJetBlue
Seattle/Tacoma Intl
Boston Logan Intl
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5h 14mBoston Logan Intl
Seattle/Tacoma Intl
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6h 27mJetBlue
Seattle/Tacoma Intl
Boston Logan Intl
Nonstop
5h 14mBoston Logan Intl
Seattle/Tacoma Intl
Nonstop
6h 16mJetBlue
JetBlue is one of the most popular airlines used for those traveling from Seattle to Boston. Flights from JetBlue traveling this route typically cost $410.93 RT. This price is typically 63% more expensive than other airlines that offer Seattle to Boston flights. When booking this route, the cheapest RT price found was $138. The most popular departure airport in Seattle when flying to Boston is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Boston is Boston Logan Intl Airport. When flying from Seattle to Boston, JetBlue flights are 21% more popular than any other airline flying that same route.
Seattle/Tacoma Intl
Boston Logan Intl
1 stop
7h 36mBoston Logan Intl
Seattle/Tacoma Intl
1 stop
8h 34mAmerican Airlines
Seattle/Tacoma Intl
Boston Logan Intl
1 stop
7h 06mBoston Logan Intl
Seattle/Tacoma Intl
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8h 34mAmerican Airlines
Seattle/Tacoma Intl
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8h 20mBoston Logan Intl
Seattle/Tacoma Intl
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9h 42mAmerican Airlines
If you’re traveling from Seattle to Boston, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $317.19 RT. This price is typically 74% more expensive than other airlines that offer Seattle to Boston flights. When booking this route, the cheapest RT price found was $111. The most popular departure airport in Seattle when flying to Boston is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Boston is Boston Logan Intl Airport. When flying from Seattle to Boston, American Airlines flights are 20% more popular than any other airline flying that same route.
Seattle/Tacoma Intl
Boston Logan Intl
Nonstop
5h 19mBoston Logan Intl
Seattle/Tacoma Intl
Nonstop
6h 36mDelta
Seattle/Tacoma Intl
Boston Logan Intl
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5h 14mBoston Logan Intl
Seattle/Tacoma Intl
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6h 36mMultiple Airlines
Seattle/Tacoma Intl
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5h 12mBoston Logan Intl
Seattle/Tacoma Intl
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6h 36mMultiple Airlines
Seattle/Tacoma Intl
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5h 23mBoston Logan Intl
Seattle/Tacoma Intl
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6h 17mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
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5h 23mBoston Logan Intl
Seattle/Tacoma Intl
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6h 15mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
Nonstop
5h 23mBoston Logan Intl
Seattle/Tacoma Intl
Nonstop
6h 17mMultiple Airlines
Seattle/Tacoma Intl
Boston Logan Intl
Nonstop
5h 19mDelta
Seattle/Tacoma Intl
Boston Logan Intl
1 stop
7h 36mAmerican Airlines
Seattle/Tacoma Intl
Boston Logan Intl
1 stop
8h 34mAmerican Airlines
Booking a flight from Seattle/Tacoma Intl (SEA) to Boston Logan Intl (BOS) is your only option if you wish to fly from Seattle to Boston. On a typical day, there are 18 flights from Seattle/Tacoma Intl to Logan Intl, all of which are around 5h 12m for a nonstop flight. You can also purchase a plane ticket from 11 airlines when you book a flight from Seattle/Tacoma Intl to Boston.
Delta, Alaska Airlines, and JetBlue are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from Seattle to Boston for under $300. The cheapest flight booked recently is on Delta for just $218, but on average you can expect to pay $239.
Cheapflights has at least 20 direct flights from Seattle to Boston under $300. A good price for a nonstop flight from Seattle to Boston is less than $270.
There are currently 20+ open flights from Seattle to Boston within the next 7 days for less than $400.
Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.
Within the past month, 26 users have taken a look at flights from Seattle/Tacoma Intl to Boston Logan Intl.
24 flight departures from Seattle to Boston per day on average.
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures
Evening (6pm - Midnight) - 13% of flight departures
Airlines like Delta, American Airlines, and JetBlue fly from Seattle to Boston in about 5h 14m. The time it takes to get you to your destination can typically vary by up to 2h 22m. There are 2502 mi between Seattle and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Our cheapest airline available from Seattle to Boston is Delta. Our recent data shows that you can find tickets from as low as $218 on this airline. Additional options worth looking into are American Airlines and JetBlue, starting at $233 and $258 round-trip. Delta is currently priced 25% below the average price you’ll pay for this route.
For one-way options, check prices for Delta. According to our data, you can fly for as low as $109. Users have also found prices from $117 and $149 on American Airlines and JetBlue, respectively.
The most popular airlines flying from Seattle to Boston are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.
Before booking your flight to Boston from Seattle, check out the most reliable airlines to get you to your destination on time: Qatar Airways (91%), Alaska Airlines (79%), Virgin Atlantic( 76%).
Looking at all options, your cheapest flight can be booked for $18. While the most popular route (Seattle/Tacoma Intl - Boston Logan Intl) can be booked for $218 on average our data indicates $894 when flying from Seattle to Boston.
1%of flight departures | Early morningMidnight to 6 am |
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34%of flight departures | Morning6 am to noon |
20%of flight departures | AfternoonNoon to 6 pm |
45%of flight departures | Evening6 pm to midnight |
Sunday | 11daily flights |
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Monday | 21daily flights |
Tuesday | 19daily flights |
Wednesday | 20daily flights |
Thursday | 20daily flights |
Friday | 16daily flights |
Saturday | 19daily flights |