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Cheap Flights from Seattle to Boston - SEA to BOS

Popular flights from Seattle to Boston

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

Alaska Airlines
Departure Date Return Date Lowest Price
Mar 1, 2016 Mar 15, 2016 $230
Mar 15, 2016 Mar 19, 2016 $230
American Airlines
Departure Date Return Date Lowest Price
Feb 28, 2016 Mar 1, 2016 $249
Hawaiian Airlines
Departure Date Return Date Lowest Price
Mar 2, 2016 Mar 7, 2016 $997
Mar 8, 2016 Mar 15, 2016 $997
Mar 22, 2016 Mar 29, 2016 $997
Apr 5, 2016 Apr 12, 2016 $997
JetBlue Airways
Departure Date Return Date Lowest Price
Mar 5, 2016 Mar 14, 2016 $231
Sun Country Airlines
Departure Date Return Date Lowest Price
Apr 20, 2016 Apr 25, 2016 $374
United Airlines
Departure Date Return Date Lowest Price
Feb 23, 2016 Feb 27, 2016 $225
Virgin America
Departure Date Return Date Lowest Price
Mar 1, 2016 Mar 15, 2016 $311
Mar 15, 2016 Mar 22, 2016 $311
Mar 29, 2016 Apr 12, 2016 $311
Apr 4, 2016 Apr 7, 2016 $311
Apr 5, 2016 Apr 12, 2016 $311

How Much Does it Cost to Fly from Seattle to Boston (SEA to BOS)?

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 $245.

When Can I Buy the Cheapest Flight from Seattle to Boston (SEA to BOS)?

Airlines can adjust prices for plane 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 discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Seattle to Boston

The chart below shows up-to-date information regarding how far in advance a flight from Seattle to Boston should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $530 $397
7-14 days $417 $387
14-21 days $282 $225
21-30 days $230 $249
30-60 days $230 $256
60-90 days $280 $285
90+ days $323 $292

Cheapest Day To Fly from Seattle to Boston

The chart below shows up-to-date information regarding the cheapest days to fly from Seattle to Boston.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$260 $225 $237 $237 $281 $231 $249

Lowest Fares Chart By Month from Seattle to Boston

The chart below shows the lowest fare by month when flying from Seattle to Boston.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Seattle Boston United 2/23/16 2/27/16 1 $225
March Seattle Boston Alaska 3/1/16 3/15/16 0 $230
April Seattle Boston Alaska 4/27/16 4/30/16 0 $280
May Seattle Boston United 5/11/16 5/18/16 1 $292
June Seattle Boston United 6/2/16 6/7/16 1 $297
July Seattle Boston United 7/19/16 7/25/16 1 $382
August Seattle Boston United 8/31/16 9/13/16 1 $305
September Seattle Boston United 9/3/16 9/17/16 1 $297

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to Boston

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to Boston.

Next 30 Days

SunMonTueWedThuFriSat
7 8 9 10 11 12 13
$901
14 15 16 17 18 19 20
$901 $594
21 22 23 24 25 26 27
$594 $291
28 29 1 2 3 4 5
$291 $237
6 7 8 9 10 11 12
$237 $237
13 14 15 16 17 18 19
$237

Non-Stop vs Connecting Flights from Seattle to Boston (SEA to BOS)

Your Seattle to Boston flight can be significantly cheaper by choosing 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 $386.

The average price for non-stop flights from Seattle to Boston is $249.

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

Nonstop Flight Details from Seattle to Boston
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Alaska 2 1 2 2 2 2 2 09:25 20:30
JetBlue 2 2 2 2 2 1 2 12:45 23:23

Round Trip vs One Way Flights from Seattle to Boston (SEA to BOS)

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 $245.

The average price for round trip flights from Seattle to Boston is $378.

More Cheap Flights

FlightsAirlineLowest Price
Portland to Boston Alaska, United, Delta, American, US Airways, Spirit, JetBlue, Virgin America, AirTran $234
Vancouver to Boston Air Canada, Alaska, United, Delta, US Airways, American, WestJet $253
Bellingham to Boston Delta, Alaska, American $325
Victoria to Boston Air Canada, United, Delta, Alaska, American, WestJet $311
Pasco to Boston United, Delta, Alaska, US Airways, American $430
Yakima to Boston Delta, Alaska, American $523
Wenatchee to Boston Delta, Alaska Check Dates
Comox to Boston Air Canada, WestJet Check Dates
Nanaimo to Boston Air Canada, WestJet Check Dates
Seattle to New York United, Alaska, American, US Airways, Sun Country, JetBlue, Frontier, Virgin America, AirTran $239
Portland to New York United, Alaska, US Airways, American, Spirit, JetBlue, Frontier, Virgin America, AirTran $259
Vancouver to New York Air Canada, Alaska, United, Delta, American, US Airways, Cathay, WestJet $292
Seattle to Manchester United, Delta, US Airways Check Dates
Seattle to Providence United, Delta, US Airways $293
Seattle to Chicago United, Delta, Alaska, US Airways, American, Sun Country, Frontier, AirTran, Virgin America $208
Portland to Providence United, Delta, US Airways $268
Portland to Manchester United, Delta, US Airways $397
Seattle to Atlanta Alaska, United, Delta, American, US Airways, Frontier, AirTran $268
Seattle to Newark United, Delta, Alaska, American, US Airways, JetBlue, Virgin America $255
Seattle to Hartford Alaska, United, Delta, US Airways, American $322
Seattle to Philadelphia Alaska, Delta, United, US Airways, American, JetBlue, Virgin America, AirTran $268
Seattle to Portland United, Delta, US Airways, JetBlue $503
Seattle to Washington United, Delta, Alaska, American, US Airways, Sun Country, Hawaiian, JetBlue, Frontier, Virgin America, AirTran $238
Portland to Chicago United, Delta, Alaska, US Airways, American, Spirit, Frontier, Virgin America $181
Portland to Hartford Alaska, United, Delta, US Airways, American $380
Bellingham to New York Alaska, American, Frontier Check Dates
Portland to Newark Alaska, United, Delta, American, US Airways, JetBlue, Virgin America $298
Seattle to Dallas - Ft Worth Delta, United, Alaska, US Airways, American, Sun Country, Frontier, Virgin America $144
Vancouver to Providence Air Canada, United, Delta, US Airways $421
Portland to Portland United, Delta, US Airways, JetBlue $389

Airlines Flying from Seattle to Boston (SEA to BOS)

Below are the different airlines that fly from Seattle to Boston with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to Boston.

Seattle to Boston
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska - X X X X X X X
Alaska PDX X X X X X X X
JetBlue - X X X X X X X
JetBlue LGB X X X X X X X
Delta ATL X X X X X X X
United EWR X X X X X X X
Virgin America SFO X X X X X X
Southwest MKE X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Seattle and Boston, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Seattle to Boston Flight Questions

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

Question: How long is a direct flight from Seattle to Boston?
Answer: The average Seattle to Boston flight time is 5 hours and 14 minutes.
Question: How many miles are there between Seattle and Boston?
Answer: The distance from Seattle to Boston is 2488 miles.
Question: How common are direct flights from Seattle to Boston?
Answer: There are 26 direct flights from Seattle to Boston.
Question: What is the most popular airline for non-stop flights from Seattle to Boston?
Answer: JetBlue Airways provides 50% of the non-stop flights between Seattle and Boston.
Question: What are the most popular connecting cities when flying from Seattle to Boston?
Answer: Denver, CO
Seattle (SEA) To Boston (BOS) Flights: Cheap Flights From Seattle To Boston | FareCompare.