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  1. Flights
  2. United States
  3. Boston, MA
  4. Seattle, WA - Boston, MA

Cheap Flights from Seattle, WA (SEA) to Boston, MA (BOS)

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Discover the cheapest flights from Seattle, WA to Boston, MA
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Sat, Aug 8 - Tue, Aug 18
American Airlines
American Airlines1 stop
SEA - BOS
American Airlines
American Airlines1 stop
BOS - SEA
270$
265$
Prime price per passenger
Wed, Aug 19 - Tue, Aug 25
American Airlines
American Airlines1 stop
SEA - BOS
American Airlines
American Airlines1 stop
BOS - SEA
297$
Prime price per passenger
Wed, Jul 22 - Sat, Jul 25
American Airlines
American Airlines1 stop
SEA - BOS
American Airlines
American Airlines1 stop
BOS - SEA
300$
298$
Prime price per passenger
Wed, Jul 29 - Tue, Aug 4
American Airlines
American Airlines1 stop
SEA - BOS
American Airlines
American Airlines1 stop
BOS - SEA
322$
Prime price per passenger
Sat, Jul 4 - Fri, Jul 10
American Airlines
American Airlines1 stop
SEA - BOS
Alaska Airlines
Alaska Airlines1 stop
BOS - SEA
332$
Prime price per passenger
Sat, Jun 20 - Wed, Jun 24
Sun Country Airlines
Sun Country Airlines1 stop
SEA - BOS
Alaska Airlines
Alaska Airlines1 stop
BOS - SEA
458$
437$
Prime price per passenger
Sat, Jul 4
American Airlines
American Airlines1 stop
SEA - BOS
148$
Prime price per passenger
Wed, Aug 26
American Airlines
American Airlines1 stop
SEA - BOS
148$
Prime price per passenger
Wed, Jul 29
American Airlines
American Airlines1 stop
SEA - BOS
149$
Prime price per passenger
Wed, Aug 12
American Airlines
American Airlines1 stop
SEA - BOS
150$
149$
Prime price per passenger
Wed, Jul 22
American Airlines
American Airlines1 stop
SEA - BOS
-12 %
169$
149$
Prime price per passenger
Tue, Jun 30
American Airlines
American Airlines1 stop
SEA - BOS
248$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Seattle, WA to Boston, MA

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of June. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: Jun 8 - Jun 14
Flights from just $176
$176
$230
$256
$223
$203
$200
$199
$203
$210
$198
$193
$188
JuneJulyAugust
Flying Time5 h and 38 mWhen flying from Seattle, WA to Boston, MA, this can take around 5 h and 38 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$148The best price for flights from Seattle, WA to Boston, MA offered by eDreams, which have been found by our customers in the last 3 days
Origin airportSeattle-Tacoma International AirportWhen flying from Seattle, WA to Boston, MA
Destination airportLogan International AirportFor the route from Seattle, WA to Boston, MA
Peak seasonMarchMarch is the busiest time to fly from Seattle, WA to Boston, MA according to search data results from our customers
Airlines operating this routeAlaska AirlinesAirline(s) that fly from Seattle, WA to Boston, MA
One-way average Price$312A flight from Seattle, WA to Boston, MA at eDreams will cost around $312, this being based on prices of the previous 6 months of data
Best time to bookSeptemberAugust is one of the most frequent times to fly to Boston, MA from Seattle, WA according to real data from our customers
Distance: 2485 miles
Seattle, WA airports
Seattle All Airports (SEA)How far from city center: 11 miles
Boston, MA airports
Logan International Airport (BOS)How far from city center: 3 miles

Are you planning to travel to Boston, MA for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Seattle, WA. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to Boston, MA and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Seattle, WA to Boston, MA

On average, how much is the price of a flight from Seattle, WA to Boston, MA?
When you fly from Seattle, WA to Boston, MA the average price is $312. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
For flights from Seattle, WA to Boston, MA, how can I find the cheapest price?
The cheapest price for a flight from Seattle, WA to Boston, MA is $148. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Seattle, WA to Boston, MA?
The most popular months to book a trip from Seattle, WA to Boston, MA are August, December and September, based on the searches of our customers.
When is the best time to travel from Seattle, WA to Boston, MA?
The best time of the year to visit Boston, MA depends on lots of personal preferences, especially the price. Regarding popularity, July is the best month to fly to Boston, MA from Seattle, WA in terms of searches from our customers, followed by October and June. If you prefer to avoid the busy season and get away from the crowds February, January and April are the months with fewer searches for Seattle, WA - Boston, MA.
How long does the flight from Seattle, WA to Boston, MA take?
Flight length from Seattle, WA to Boston, MA is around 5 h and 38 m on average, at an average distance of 2,485.41 mi, for flights for the route (which may have 1 or more stops in other cities in between).
How is the weather in Boston, MA compared to Seattle, WA?
While in Seattle, WA the temperatures can reach an average of 64ºF ºC in summer, Boston, MA's temperatures can go up to 71ºF ºC during the hot season. In winter, however, weather indicators show around 32ºF ºC in Boston, MA, compared to the 42ºF ºC average degrees reported in Seattle, WA.

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