Flights from Boston Airport (BOS) to Seattle Airport Airport (SEA)

We've found the cheapest flights to Seattle

Returns from £276

One-way from £138.50

WestJet, KLM, LATAM Airlines, El Al, Cathay Pacific, Condor, SAS, Jet Linx Aviation, Air France, Qatar Airways, American Airlines, Korean Air, Virgin Atlantic, Alaska Airlines and Delta Air Lines fly direct from Logan International to Seattle-Tacoma International United States. The flight time from Logan International to Seattle-Tacoma International is around 5 Hours 31 Minutes and you will cover 4,005 Km (2,489 Miles). The airport code for Logan International is BOS and for Seattle-Tacoma International it is SEA.

The cost of ticket prices to Seattle-Tacoma International United States can vary quite considerably if you travel at certain times of the week especially at weekends. If you are looking to get the cheapest flights possible then we recommend you travel mid week or in the late evening. On occasions, airliners may have special offers so look out for these. Flights to Seattle-Tacoma International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Seattle-Tacoma International is 8.0 GMT compared to 5.0 GMT at Logan International so bare this in mind is you need to make travel arrangements when you arrive at Seattle-Tacoma International.

Below you will see all the airlines that fly from Logan International (BOS) to Seattle-Tacoma International (SEA) and the number of flights they operate each day.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Delta Air Lines014443407:5022:55VIEW FLIGHTS
Alaska Airlines013333307:1321:08VIEW FLIGHTS
Virgin Atlantic013443007:5022:55VIEW FLIGHTS
Korean Air012332011:1722:55VIEW FLIGHTS
American Airlines002222107:1310:39VIEW FLIGHTS
Qatar Airways001212010:3921:08VIEW FLIGHTS
Jet Linx Aviation001111107:1310:39VIEW FLIGHTS
Air France011111019:2522:55VIEW FLIGHTS
SAS010111019:2522:55VIEW FLIGHTS
Condor000200107:1312:27VIEW FLIGHTS
LATAM Airlines000011010:4010:40VIEW FLIGHTS
El Al000200011:1714:03VIEW FLIGHTS
Cathay Pacific001010017:4418:20VIEW FLIGHTS
WestJet001000019:0619:06VIEW FLIGHTS
KLM001000019:0619:06VIEW FLIGHTS

Delta Air Lines offer the most direct flights from Logan International to Seattle-Tacoma International with an average of 20 flights a week. The earliest flights are operated at 07:50 and the latest flights operated at 22:55 and the most common flight numbers are DL2889, DL332, DL384 and DL797

Contact Delta Air Lines at delta.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Tuesday
21:08
AirlineFlightNo
Alaska AirlinesAS257
22:55
AirlineFlightNo
Korean AirKE7661
SASSK3350
Air FranceAF2707
Delta Air LinesDL797
Virgin AtlanticVS3243
VIEW FLIGHTS
Wednesday
09:03
AirlineFlightNo
Alaska AirlinesAS215
American AirlinesAA7490
10:39
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
Jet Linx AviationJL6357
11:17
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
Virgin AtlanticVS3540
14:03
AirlineFlightNo
Korean AirKE3010
Delta Air LinesDL332
Virgin AtlanticVS5349
15:45
AirlineFlightNo
Virgin AtlanticVS1606
17:44
AirlineFlightNo
Alaska AirlinesAS257
Cathay PacificCX7831
19:06
AirlineFlightNo
WestJetWS5564
KLMKL6645
Delta Air LinesDL2889
19:25
AirlineFlightNo
Air FranceAF2707
Delta Air LinesDL797
21:08
AirlineFlightNo
Qatar AirwaysQR2967
VIEW FLIGHTS
Thursday
07:13
AirlineFlightNo
Alaska AirlinesAS459
Jet Linx AviationJL6357
07:50
AirlineFlightNo
Delta Air LinesDL384
09:03
AirlineFlightNo
American AirlinesAA7490
10:39
AirlineFlightNo
American AirlinesAA9302
Qatar AirwaysQR8824
CondorDE5235
10:40
AirlineFlightNo
Delta Air LinesDL332
Virgin AtlanticVS5349
11:17
AirlineFlightNo
Korean AirKE3168
El AlLY4137
Virgin AtlanticVS3540
12:27
AirlineFlightNo
Alaska AirlinesAS215
Qatar AirwaysQR2061
CondorDE5234
14:03
AirlineFlightNo
Korean AirKE3010
El AlLY4225
15:45
AirlineFlightNo
Virgin AtlanticVS3721
18:20
AirlineFlightNo
Alaska AirlinesAS257
19:06
AirlineFlightNo
Delta Air LinesDL2889
19:25
AirlineFlightNo
Korean AirKE7661
22:55
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL797
Virgin AtlanticVS3243
VIEW FLIGHTS
Friday
07:13
AirlineFlightNo
Jet Linx AviationJL6357
07:50
AirlineFlightNo
Delta Air LinesDL384
Virgin AtlanticVS3540
09:03
AirlineFlightNo
Alaska AirlinesAS215
American AirlinesAA7490
10:39
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
10:40
AirlineFlightNo
Delta Air LinesDL332
LATAM AirlinesLA8436
Virgin AtlanticVS5349
11:17
AirlineFlightNo
Korean AirKE3168
14:03
AirlineFlightNo
Korean AirKE3010
15:45
AirlineFlightNo
Delta Air LinesDL2889
Virgin AtlanticVS3721
18:20
AirlineFlightNo
Alaska AirlinesAS257
Cathay PacificCX7831
Qatar AirwaysQR2967
19:25
AirlineFlightNo
SASSK3350
Virgin AtlanticVS3243
22:55
AirlineFlightNo
Korean AirKE7661
Air FranceAF2707
Delta Air LinesDL797
VIEW FLIGHTS
Saturday
07:13
AirlineFlightNo
American AirlinesAA9302
07:50
AirlineFlightNo
Delta Air LinesDL384
Virgin AtlanticVS3540
09:03
AirlineFlightNo
American AirlinesAA7490
Qatar AirwaysQR2061
10:39
AirlineFlightNo
Alaska AirlinesAS459
Qatar AirwaysQR8824
Jet Linx AviationJL6357
10:40
AirlineFlightNo
LATAM AirlinesLA8436
Virgin AtlanticVS5349
11:17
AirlineFlightNo
Korean AirKE3168
12:27
AirlineFlightNo
Alaska AirlinesAS215
14:03
AirlineFlightNo
Korean AirKE3010
Delta Air LinesDL332
16:33
AirlineFlightNo
Alaska AirlinesAS257
18:37
AirlineFlightNo
SASSK3350
Air FranceAF2277
Delta Air LinesDL2889
Virgin AtlanticVS3721
VIEW FLIGHTS
Sunday
07:13
AirlineFlightNo
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
09:03
AirlineFlightNo
Alaska AirlinesAS215
10:39
AirlineFlightNo
Alaska AirlinesAS459
11:17
AirlineFlightNo
Delta Air LinesDL384
14:03
AirlineFlightNo
Delta Air LinesDL332
15:45
AirlineFlightNo
Delta Air LinesDL2889
18:20
AirlineFlightNo
Alaska AirlinesAS257
19:25
AirlineFlightNo
Delta Air LinesDL797
VIEW FLIGHTS

Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Logan International.

Don't forget to book a rental car!

Find cheap vehicle hire deals at Seattle Airport

Flight Price FAQ - Boston (BOS) to Seattle (SEA)

DIRECT Delta
What is the cheapest direct flight one way from Boston BOS to Seattle SEA?
The cheapest direct flight one way from Boston BOS to Seattle SEA is £138.50 ($183 €166.01)
£138.50
$183 | €166.01
Check Latest Price
DIRECT Delta
What is the cheapest direct return flight from Boston BOS to Seattle SEA?
The cheapest direct return flight from Boston BOS to Seattle SEA is £276 ($366 €332.02)
£276
$366 | €332.02
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Boston BOS to Seattle SEA?
The cheapest flight one way from Boston BOS to Seattle SEA is £131.69 ($174 €157.84)
£131.69
$174 | €157.84
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from BOS to SEA

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Flight Info FAQ - Boston (BOS) to Seattle (SEA)

Who flies from Boston to Seattle?
The following airlines fly from Boston (BOS) to Seattle (SEA): Air France, Alaska Airlines, American Airlines, Cathay Pacific, Condor, Delta Air Lines, El Al, Jet Linx Aviation, KLM, Korean Air, LATAM Airlines, Qatar Airways, SAS, Virgin Atlantic, WestJet.
How far is the flight from Boston to Seattle?
The flight from Boston to Seattle is 4,005KM or 2,489 miles.
How long does the flight from Boston to Seattle to take?
The flight from Boston to Seattle takes 5 Hours 31 Minutes.

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Don't forget to book a hire car!

Search for a cheap rental car at SEA

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