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

We've found the cheapest flights to Seattle

Returns from £204.52

One-way from £100.40

Finnair, LATAM Airlines, El Al, TAP Air Portugal, SAS, Jet Linx Aviation, Aer Lingus, JetBlue, Air France, Korean Air, American Airlines, Condor, Virgin Atlantic, Delta Air Lines and Alaska Airlines 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
Alaska Airlines444444107:2019:11VIEW FLIGHTS
Delta Air Lines444443007:4819:30VIEW FLIGHTS
Virgin Atlantic444343007:4819:30VIEW FLIGHTS
Condor442442007:2019:11VIEW FLIGHTS
Korean Air222222007:4819:05VIEW FLIGHTS
American Airlines222222007:2009:01VIEW FLIGHTS
Air France222221019:0519:30VIEW FLIGHTS
JetBlue111111107:0007:00VIEW FLIGHTS
Jet Linx Aviation111111007:2007:20VIEW FLIGHTS
Aer Lingus111111007:0007:00VIEW FLIGHTS
TAP Air Portugal111101007:0007:00VIEW FLIGHTS
SAS111110019:3019:30VIEW FLIGHTS
El Al102100007:4819:30VIEW FLIGHTS
LATAM Airlines100110011:5511:55VIEW FLIGHTS
Finnair010010009:0109:01VIEW FLIGHTS

Alaska Airlines offer the most direct flights from Logan International to Seattle-Tacoma International with an average of 25 flights a week. The earliest flights are operated at 07:20 and the latest flights operated at 19:11 and the most common flight numbers are AS260, AS306, AS459 and AS537

Contact Alaska Airlines at alaskaair.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
Monday
07:00
AirlineFlightNo
Aer LingusEI5266
TAP Air PortugalTP4395
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
Virgin AtlanticVS3540
09:01
AirlineFlightNo
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
LATAM AirlinesLA8436
Virgin AtlanticVS5349
15:55
AirlineFlightNo
Delta Air LinesDL2889
16:48
AirlineFlightNo
Alaska AirlinesAS260
CondorDE5065
19:05
AirlineFlightNo
Korean AirKE3010
Air FranceAF8779
Virgin AtlanticVS3721
19:11
AirlineFlightNo
Alaska AirlinesAS306
CondorDE5067
19:30
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL324
El AlLY4225
Virgin AtlanticVS3243
VIEW FLIGHTS
Tuesday
07:00
AirlineFlightNo
Aer LingusEI5266
TAP Air PortugalTP4395
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
Virgin AtlanticVS3540
09:01
AirlineFlightNo
FinnairAY4608
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
Virgin AtlanticVS5349
15:55
AirlineFlightNo
Delta Air LinesDL2889
16:48
AirlineFlightNo
Alaska AirlinesAS260
CondorDE5065
19:05
AirlineFlightNo
Korean AirKE3010
Air FranceAF8779
Virgin AtlanticVS3721
19:11
AirlineFlightNo
Alaska AirlinesAS306
CondorDE5067
19:30
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL324
Virgin AtlanticVS3243
VIEW FLIGHTS
Wednesday
07:00
AirlineFlightNo
Aer LingusEI5266
TAP Air PortugalTP4395
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
El AlLY4137
Virgin AtlanticVS3540
09:01
AirlineFlightNo
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
El AlLY4225
Virgin AtlanticVS5349
15:55
AirlineFlightNo
Delta Air LinesDL2889
16:48
AirlineFlightNo
Alaska AirlinesAS260
19:05
AirlineFlightNo
Korean AirKE3010
Air FranceAF8779
Virgin AtlanticVS3721
19:11
AirlineFlightNo
Alaska AirlinesAS306
19:30
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL324
Virgin AtlanticVS3243
VIEW FLIGHTS
Thursday
07:00
AirlineFlightNo
Aer LingusEI5266
TAP Air PortugalTP4395
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
09:01
AirlineFlightNo
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
LATAM AirlinesLA8436
Virgin AtlanticVS5349
16:48
AirlineFlightNo
Alaska AirlinesAS260
CondorDE5065
19:05
AirlineFlightNo
Korean AirKE3010
Air FranceAF8779
Delta Air LinesDL2889
Virgin AtlanticVS3721
19:11
AirlineFlightNo
Alaska AirlinesAS306
CondorDE5067
19:30
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL324
El AlLY4225
Virgin AtlanticVS3243
VIEW FLIGHTS
Friday
07:00
AirlineFlightNo
Aer LingusEI5266
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
Virgin AtlanticVS3540
09:01
AirlineFlightNo
FinnairAY4608
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
LATAM AirlinesLA6317
Virgin AtlanticVS5349
15:55
AirlineFlightNo
Delta Air LinesDL2889
16:48
AirlineFlightNo
Alaska AirlinesAS260
CondorDE5065
19:05
AirlineFlightNo
Korean AirKE3010
Air FranceAF8779
Virgin AtlanticVS3721
19:11
AirlineFlightNo
Alaska AirlinesAS306
CondorDE5067
19:30
AirlineFlightNo
SASSK3350
Air FranceAF2707
Delta Air LinesDL324
Virgin AtlanticVS3243
VIEW FLIGHTS
Saturday
07:00
AirlineFlightNo
Aer LingusEI5266
TAP Air PortugalTP4395
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
07:48
AirlineFlightNo
Korean AirKE3168
Delta Air LinesDL384
Virgin AtlanticVS3540
09:01
AirlineFlightNo
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5234
11:55
AirlineFlightNo
Delta Air LinesDL332
Virgin AtlanticVS3721
16:48
AirlineFlightNo
Alaska AirlinesAS260
17:20
AirlineFlightNo
Korean AirKE3010
Air FranceAF2707
Delta Air LinesDL324
Virgin AtlanticVS3243
19:11
AirlineFlightNo
Alaska AirlinesAS306
VIEW FLIGHTS
Sunday
07:00
AirlineFlightNo
JetBlueB6397
07:20
AirlineFlightNo
Alaska AirlinesAS459
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 jetBlue
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 £100.40 ($135 €116.06)
£100.40
$135 | €116.06
Check Latest Price
DIRECT jetBlue
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 £204.52 ($275 €236.43)
£204.52
$275 | €236.43
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Boston BOS to Seattle SEA?
The cheapest return flight from Boston BOS to Seattle SEA is £203.77 ($274 €235.57)
£203.77
$274 | €235.57
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): Aer Lingus, Air France, Alaska Airlines, American Airlines, Condor, Delta Air Lines, El Al, Finnair, Jet Linx Aviation, JetBlue, Korean Air, LATAM Airlines, SAS, TAP Air Portugal, Virgin Atlantic.
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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