Flights from Seattle to Boston, United States

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Did you mean flights from Boston to Seattle?

Seattle to Boston Last modified: Aug 20, 2019 2:18 -04:00

We've scanned 48,195,047,545 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
Mon 9/30
Wed 10/9
Wed 9/25
Sun 9/29
Tue 9/24
Tue 10/1
Mon 9/9
1 stop
Wed 9/11
1 stop
Mon 10/14
2 stops
Thu 10/31
2 stops
Fri 9/27
1 stop
Tue 10/1
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 $237.

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 $402 $415
7-14 days $372 $325
14-21 days $257 $245
21-30 days $257 $245
30-60 days $227 $245
60-90 days $234 $245
90+ days $227 $240

Cheapest Day To Fly from Seattle to Boston

We've examined 57,595,778,181 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 Tuesday. 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
August Seattle Boston American 8/27/19 9/11/19 1 $308
September Seattle Boston Alaska 9/24/19 10/8/19 0 $234
October Seattle Boston Alaska 10/1/19 10/2/19 0 $237
November Seattle Boston Alaska 11/1/19 11/2/19 0 $237
December Seattle Boston Alaska 12/3/19 12/4/19 0 $237
January Seattle Boston Major Airlines 1/23/20 2/3/20 0 $227
February Seattle Boston Alaska 2/1/20 2/2/20 0 $237
March Seattle Boston Alaska 3/1/20 3/9/20 0 $237

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

18 19 20 21 22 23 24
25 26 27 28 29 30 31
$425 $479
1 2 3 4 5 6 7
$479 $297
8 9 10 11 12 13 14
$297 $245
15 16 17 18 19 20 21
$245 $245
22 23 24 25 26 27 28

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 $266.

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
Alaska 3 3 3 3 3 3 3 01:50 16:15
JetBlue 2 2 2 2 2 1 2 06:33 18:59
Major Airlines 3 2 2 3 3 2 2 02:50 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 $126.

The average price for round trip flights from Seattle to Boston is $253.

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 51 direct flights from Seattle to Boston.
Question: What are the most popular Seattle airlines for direct flights from Seattle to Boston?
Answer: Alaska Airlines provides 41% of the non-stop flights between Seattle and Boston.
Question: What are the most popular connecting cities when flying from Seattle to Boston?
Answer: Los Angeles, CA

Airlines in Seattle flying to Boston Last modified: Aug 20, 2019 2:18 -04:00Number of routes searched: 365Number of itineraries searched: 1,584,108

Wondering which airlines fly out of Seattle to Boston? We've gathered the average price of Seattle airlines with flights to Boston. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Seattle to Boston
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Alaska -
JetBlue -
Major Airlines -
American CLT
American DFW
American JFK
American LAX
American MIA
Air France CDG
Alaska LAX
Alaska PDX
Alaska SAN
Alaska SFO
JetBlue JFK
JetBlue LGB
Major Airlines ATL
Major Airlines AUS
Major Airlines BNA
Major Airlines CVG
Frontier DEN
Hawaiian HNL
Spirit BWI
Spirit DFW
Spirit DTW
Spirit LAS
Spirit ORD
Sun Country MSP
United DEN
United SFO
United EWR
United IAD
United IAH
Virgin Atlantic LHR

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.

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Cheap Flights from Seattle to Boston