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

We've found the cheapest flights to Seattle

Returns from £178.04

One-way from £93.37

Singapore Airlines, JetBlue, LATAM Airlines, El Al, Hainan Airlines, Japan Airlines, TAP Air Portugal, KLM, JetBlue Airways, Hawaiian Airlines, Air France, Aer Lingus, Jet Linx Aviation, China Eastern Airlines, Qatar Airways, American Airlines, Virgin Atlantic, Condor, Air Tahiti Nui, Korean Air, 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 Airlines333444410:1523:13VIEW FLIGHTS
Korean Air333333206:3022:54VIEW FLIGHTS
Delta Air Lines333332309:5022:54VIEW FLIGHTS
Virgin Atlantic333332106:3022:54VIEW FLIGHTS
Condor322442107:0023:13VIEW FLIGHTS
Air Tahiti Nui233333107:0020:41VIEW FLIGHTS
American Airlines222222107:0014:14VIEW FLIGHTS
Qatar Airways111222020:4123:13VIEW FLIGHTS
Jet Linx Aviation111111107:0012:05VIEW FLIGHTS
China Eastern Airlines111111106:3009:50VIEW FLIGHTS
TAP Air Portugal111111020:3520:35VIEW FLIGHTS
KLM111111022:2522:54VIEW FLIGHTS
JetBlue Airways111111020:3520:35VIEW FLIGHTS
Hawaiian Airlines111111020:3520:35VIEW FLIGHTS
Air France111111022:2522:54VIEW FLIGHTS
Aer Lingus111111020:3520:35VIEW FLIGHTS
Japan Airlines011111010:1510:15VIEW FLIGHTS
Hainan Airlines001010121:3021:30VIEW FLIGHTS
LATAM Airlines100100014:1714:17VIEW FLIGHTS
El Al010100014:1714:17VIEW FLIGHTS
Singapore Airlines000010023:1323:13VIEW FLIGHTS
JetBlue000000120:3520:35VIEW 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 10:15 and the latest flights operated at 23:13 and the most common flight numbers are AS317, AS349, AS364 and AS459

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
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:20
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
CondorDE5235
12:05
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS349
American AirlinesAA9369
CondorDE5065
Jet Linx AviationJL6357
14:17
AirlineFlightNo
Delta Air LinesDL340
LATAM AirlinesLA7015
Virgin AtlanticVS5349
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
21:10
AirlineFlightNo
Alaska AirlinesAS317
Qatar AirwaysQR2967
CondorDE5067
22:54
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Delta Air LinesDL1123
Virgin AtlanticVS3243
VIEW FLIGHTS
Tuesday
07:00
AirlineFlightNo
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
CondorDE5235
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
14:17
AirlineFlightNo
Delta Air LinesDL340
El AlLY4147
Virgin AtlanticVS5349
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2967
22:25
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Delta Air LinesDL1123
Virgin AtlanticVS3243
VIEW FLIGHTS
Wednesday
07:00
AirlineFlightNo
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
CondorDE5235
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
14:17
AirlineFlightNo
Delta Air LinesDL340
Virgin AtlanticVS5349
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2967
21:30
AirlineFlightNo
Hainan AirlinesHU730
22:25
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Delta Air LinesDL1123
Virgin AtlanticVS3243
VIEW FLIGHTS
Thursday
07:00
AirlineFlightNo
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
CondorDE5235
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
14:17
AirlineFlightNo
Delta Air LinesDL340
El AlLY4251
LATAM AirlinesLA6304
Virgin AtlanticVS5349
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2033
CondorDE5234
22:54
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Delta Air LinesDL1123
Virgin AtlanticVS3243
23:13
AirlineFlightNo
Alaska AirlinesAS317
Qatar AirwaysQR2967
CondorDE5067
VIEW FLIGHTS
Friday
07:00
AirlineFlightNo
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
CondorDE5235
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
14:17
AirlineFlightNo
Delta Air LinesDL340
Virgin AtlanticVS5349
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2033
CondorDE5234
21:30
AirlineFlightNo
Hainan AirlinesHU730
22:54
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Delta Air LinesDL1123
Virgin AtlanticVS3243
23:13
AirlineFlightNo
Singapore AirlinesSQ1217
Alaska AirlinesAS317
Qatar AirwaysQR2967
CondorDE5067
VIEW FLIGHTS
Saturday
07:00
AirlineFlightNo
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
CondorDE5235
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
19:10
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Virgin AtlanticVS3243
19:59
AirlineFlightNo
Qatar AirwaysQR2967
20:35
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2033
22:25
AirlineFlightNo
Delta Air LinesDL1123
23:13
AirlineFlightNo
Alaska AirlinesAS317
VIEW FLIGHTS
Sunday
06:30
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Virgin AtlanticVS3721
07:00
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
American AirlinesAA9302
CondorDE5235
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Delta Air LinesDL384
10:15
AirlineFlightNo
Alaska AirlinesAS459
14:14
AirlineFlightNo
Alaska AirlinesAS537
14:17
AirlineFlightNo
Delta Air LinesDL340
20:35
AirlineFlightNo
JetBlueB6197
20:41
AirlineFlightNo
Alaska AirlinesAS364
21:30
AirlineFlightNo
Hainan AirlinesHU730
22:54
AirlineFlightNo
Delta Air LinesDL1123
23:13
AirlineFlightNo
Alaska AirlinesAS317
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 £93.37 ($118 €110.25)
£93.37
$118 | €110.25
Check Latest Price
DIRECT Alaska Airlines
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 £178.04 ($225 €210.23)
£178.04
$225 | €210.23
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 £70.43 ($89 €83.16)
£70.43
$89 | €83.16
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 £168.55 ($213 €199.02)
£168.55
$213 | €199.02
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, Air Tahiti Nui, Alaska Airlines, American Airlines, China Eastern Airlines, Condor, Delta Air Lines, El Al, Hainan Airlines, Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, JetBlue, JetBlue Airways, KLM, Korean Air, LATAM Airlines, Qatar Airways, Singapore Airlines, 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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Search for a cheap rental car at SEA

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