Flights from Seattle to Boston, United States

Did you mean flights from Boston to Seattle?

Seattle to Boston Last modified: May 23, 2023 1:38 -04:00

We've scanned 0 round trip itineraries and found the cheapest flights to Boston. Major Airlines & Alaska frequently offer the best deals to Boston flights, or select your preferred carrier below to see the cheapest days to fly.

Major Airlines
Tue 5/23
Sun 5/28
Sat 6/24
Sun 6/25
Mon 7/10
Fri 7/21
Tue 5/23
1 stop
Sat 5/27
1 stop
Tue 6/6
1 stop
Tue 6/13
1 stop
Sun Country
Thu 9/7
1 stop
Sun 9/10
1 stop

How Much is a Flight from Seattle to Boston?

We have collected flight cost data from across the web for travel from Seattle to Boston, and have found the average flight price for this trip to be $239.

Where To Buy Cheap Flights from Seattle to Boston?

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 Seattle to Boston 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 Seattle to Boston?

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

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $238 $257
7-14 days $328 $302
14-21 days $248 $309
21-30 days $378 $346
30-60 days $248 $258
60-90 days $348 $347
90+ days $248 $262

Cheapest Day To Fly from Seattle to Boston

We've examined 0 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Seattle to Boston is Saturday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday

Compare Flight Prices from Seattle to Boston by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Seattle to Boston flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Seattle Boston Major Airlines 5/23/23 5/28/23 0 $238
June Seattle Boston Alaska 6/24/23 6/25/23 0 $248
July Seattle Boston Alaska 7/4/23 7/11/23 0 $248
August Seattle Boston United 8/29/23 9/12/23 1 $281
September Seattle Boston Major Airlines 9/19/23 9/20/23 0 $248
October Seattle Boston Alaska 10/17/23 10/31/23 0 $248
November Seattle Boston Alaska 11/1/23 11/6/23 0 $248
December Seattle Boston Alaska 12/1/23 12/4/23 0 $248

Cheap Last Minute Flights from Seattle to Boston

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

Next 30 Days

21 22 23 24 25 26 27
28 29 30 31 1 2 3
$302 $317
4 5 6 7 8 9 10
$317 $325
11 12 13 14 15 16 17
$325 $372
18 19 20 21 22 23 24
$372 $409
25 26 27 28 29 30 1

Connecting Flights vs Direct Flights from Seattle to Boston

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 Seattle to Boston is $285.

The average price for direct flights from Seattle to Boston is $266.

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

Weekly Direct Flights from Seattle to Boston - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Major Airlines 4 4 4 4 4 4 4 02:25 17:40

One Way Flights vs Round Trip Flights from Seattle to Boston

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 Seattle to Boston. 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 Seattle to Boston is $125.

The average price for round trip flights from Seattle to Boston is $262.

Seattle to Boston Flight Questions

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

Question: How long is the flight from Seattle to Boston?
Answer: The average Seattle to Boston flight time is 5 hours and 20 minutes.
Question: How far is Boston from Seattle?
Answer: The distance from Seattle to Boston is 2,487 miles (4,002 kilometers).
Question: How common are direct flights from Seattle to Boston?
Answer: There are 28 direct flights from Seattle to Boston.
Question: What are the most popular Seattle airlines for direct flights from Seattle to Boston?
Answer: Major Airlines provides 100% of the non-stop flights between Seattle and Boston.

Seattle to Boston Airports

These are the major commercial airports we're currently monitoring in Seattle and Boston. 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 Seattle to Boston