Flights from Boston to Seattle, United States

Did you mean flights from Seattle to Boston?

Boston to Seattle Last modified: Jan 22, 2024 9:26 -05:00

We've scanned 115,678,683 round trip itineraries and found the cheapest flights to Seattle. Alaska & JetBlue frequently offer the best deals to Seattle flights, or select your preferred carrier below to see the cheapest days to fly.

Alaska
BOSSEA
Sat 2/3
nonstop
SEABOS
Sun 2/4
nonstop
$197
JetBlue
BOSSEA
Fri 2/2
nonstop
SEABOS
Tue 2/6
nonstop
$197
Major Airlines
BOSSEA
Fri 2/2
nonstop
SEABOS
Tue 2/6
nonstop
$197
United
BOSSEA
Wed 2/28
1 stop
SEABOS
Tue 3/5
1 stop
$236
American
BOSSEA
Thu 3/14
1 stop
SEABOS
Mon 3/18
1 stop
$247
Spirit
BOSSEA
Mon 4/29
1 stop
SEABOS
Tue 5/7
1 stop
$258

How Much is a Flight from Boston to Seattle?

We have collected flight cost data from across the web for travel from Boston to Seattle, and have found the average flight price for this trip to be $181.

Where To Buy Cheap Flights from Boston to Seattle?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Boston to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Boston to Seattle?

The chart below shows up-to-date information regarding how far in advance to book your flight from Boston to Seattle.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $207 $216
7-14 days $177 $186
14-21 days $177 $186
21-30 days $177 $186
30-60 days $177 $186
60-90 days $177 $186
90+ days $277 $258

Cheapest Day To Fly from Boston to Seattle

We've examined 231,357,366 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Boston to Seattle is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$177$177$177$196$177 $177

Cheap Last Minute Flights from Boston to Seattle

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Boston to Seattle. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
7 8 9 10 11 12 13
$207
14 15 16 17 18 19 20
$207 $177
21 22 23 24 25 26 27
$177 $177
28 29 30 31 1 2 3
$177 $177
4 5 6 7 8 9 10
$177 $177
11 12 13 14 15 16 17
$177

Connecting Flights vs Direct Flights from Boston to Seattle

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Boston to Seattle is $261.

The average price for direct flights from Boston to Seattle is $264.

The chart below shows up to date information regarding non-stop flights from Boston to Seattle.

Weekly Direct Flights from Boston to Seattle - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Major Airlines 4 4 4 4 4 4 4 01:50 14:30

One Way Flights vs Round Trip Flights from Boston to Seattle

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Boston to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Boston to Seattle is $148.

The average price for round trip flights from Boston to Seattle is $252.

Boston to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from Boston to Seattle?
Answer: The average Boston to Seattle flight time is 6 hours and 44 minutes.
Question: How far is Seattle from Boston?
Answer: The distance from Boston to Seattle is 2,487 miles (4,002 kilometers).
Question: How common are direct flights from Boston to Seattle?
Answer: There are 28 direct flights from Boston to Seattle.
Question: What are the most popular Boston airlines for direct flights from Boston to Seattle?
Answer: Major Airlines provides 100% of the non-stop flights between Boston and Seattle.

Boston to Seattle Airports

These are the major commercial airports we're currently monitoring in Boston and Seattle. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from Boston to Seattle