Flights from Boston Airport BOS to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £203.45

One-way from £101.33

Multiple companies offer flights from Logan International to Seattle-Tacoma International. 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 the air travel varies depending on what day you travel and the time of day. 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.

The table below shows the amount of daily flights in operation from Logan International (BOS) to Seattle-Tacoma International (SEA).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Alaska Airlines433444407:0020:41VIEW FLIGHTS
Delta Air Lines333332306:3019:35VIEW FLIGHTS
Condor433442007:0023:13VIEW FLIGHTS
Korean Air333333106:3022:54VIEW FLIGHTS
Virgin Atlantic333332106:3022:54VIEW FLIGHTS
Air Tahiti Nui333333007:0020:41VIEW FLIGHTS
Qatar Airways211333007:0023:13VIEW FLIGHTS
American Airlines222222007:0014:14VIEW FLIGHTS
China Eastern Airlines111111106:3009:50VIEW FLIGHTS
TAP Air Portugal111111016:2519:30VIEW FLIGHTS
KLM111111018:5522:54VIEW FLIGHTS
JetBlue Airways111111016:2519:30VIEW FLIGHTS
Japan Airlines111111007:0010:15VIEW FLIGHTS
Hawaiian Airlines111111016:2519:30VIEW FLIGHTS
Air France111111018:5522:54VIEW FLIGHTS
Aer Lingus111111016:2519:30VIEW FLIGHTS
Hainan Airlines101111012:0018:40VIEW FLIGHTS
Etihad Airways101010016:2519:30VIEW FLIGHTS
Singapore Airlines100010019:5923:13VIEW FLIGHTS
LATAM Airlines100100014:1714:28VIEW FLIGHTS
El Al010100014:2814:28VIEW FLIGHTS
JetBlue000000116:2516:25VIEW FLIGHTS
Jet Linx Aviation100000007:0007:00VIEW FLIGHTS

Alaska Airlines offer the most direct flights from Logan International to Seattle-Tacoma International with an average of 26 flights a week. The earliest flights are operated at 07:00 and the latest flights operated at 20:41 and the most common flight numbers are AS317, AS364, 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
06:30
AirlineFlightNo
Delta Air LinesDL384
07:00
AirlineFlightNo
Korean AirKE6222
Alaska AirlinesAS459
American AirlinesAA9302
Jet Linx AviationJL6357
09:50
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Air Tahiti NuiTN2335
Japan AirlinesJL6357
CondorDE5235
11:00
AirlineFlightNo
Alaska AirlinesAS537
Delta Air LinesDL340
12:00
AirlineFlightNo
Hainan AirlinesHU730
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
American AirlinesAA7490
CondorDE5065
14:17
AirlineFlightNo
LATAM AirlinesLA6664
Virgin AtlanticVS5349
16:25
AirlineFlightNo
JetBlue AirwaysB6197
17:27
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2033
CondorDE5234
19:30
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
Etihad AirwaysEY8281
TAP Air PortugalTP4393
19:35
AirlineFlightNo
Delta Air LinesDL1123
19:59
AirlineFlightNo
Alaska AirlinesAS317
22:54
AirlineFlightNo
Korean AirKE3168
Air FranceAF5927
KLMKL7232
Virgin AtlanticVS3243
23:13
AirlineFlightNo
Singapore AirlinesSQ1217
Qatar AirwaysQR2967
CondorDE5067
VIEW FLIGHTS
Tuesday
09:47
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
14:28
AirlineFlightNo
Delta Air LinesDL340
El AlLY4200
Virgin AtlanticVS5349
16:25
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
17:27
AirlineFlightNo
Alaska AirlinesAS364
18:55
AirlineFlightNo
Korean AirKE3168
Air FranceAF2487
KLMKL7232
Delta Air LinesDL342
Virgin AtlanticVS3243
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Qatar AirwaysQR2967
CondorDE5234
VIEW FLIGHTS
Wednesday
09:47
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
14:28
AirlineFlightNo
Delta Air LinesDL340
Virgin AtlanticVS5349
16:25
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
Etihad AirwaysEY8281
JetBlue AirwaysB6197
TAP Air PortugalTP4393
17:27
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2967
CondorDE5234
18:40
AirlineFlightNo
Hainan AirlinesHU730
18:55
AirlineFlightNo
Korean AirKE3168
Air FranceAF2487
KLMKL7232
Delta Air LinesDL342
Virgin AtlanticVS3243
VIEW FLIGHTS
Thursday
07:00
AirlineFlightNo
Korean AirKE6222
09:47
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
10:15
AirlineFlightNo
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
Qatar AirwaysQR4888
CondorDE5235
12:00
AirlineFlightNo
Hainan AirlinesHU730
14:14
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
14:28
AirlineFlightNo
Delta Air LinesDL340
El AlLY4200
LATAM AirlinesLA6304
Virgin AtlanticVS5349
17:27
AirlineFlightNo
Air Tahiti NuiTN2334
Qatar AirwaysQR2033
CondorDE5234
18:55
AirlineFlightNo
Korean AirKE3168
Air FranceAF2487
KLMKL7232
Delta Air LinesDL342
Virgin AtlanticVS3243
19:30
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
JetBlue AirwaysB6197
TAP Air PortugalTP4393
19:59
AirlineFlightNo
Alaska AirlinesAS317
Qatar AirwaysQR2967
CondorDE5067
20:41
AirlineFlightNo
Alaska AirlinesAS364
VIEW FLIGHTS
Friday
06:30
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Virgin AtlanticVS3721
07:00
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
American AirlinesAA9302
Japan AirlinesJL6357
Qatar AirwaysQR4888
CondorDE5235
09:47
AirlineFlightNo
Delta Air LinesDL384
10:15
AirlineFlightNo
Alaska AirlinesAS459
11:00
AirlineFlightNo
Air Tahiti NuiTN2336
American AirlinesAA7490
CondorDE5065
11:15
AirlineFlightNo
Virgin AtlanticVS5349
14:14
AirlineFlightNo
Alaska AirlinesAS537
14:28
AirlineFlightNo
Delta Air LinesDL340
16:25
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
Etihad AirwaysEY8281
TAP Air PortugalTP4393
17:27
AirlineFlightNo
Air Tahiti NuiTN2334
Qatar AirwaysQR2033
CondorDE5234
18:40
AirlineFlightNo
Hainan AirlinesHU730
18:55
AirlineFlightNo
Korean AirKE3168
Air FranceAF2487
KLMKL7232
Delta Air LinesDL342
Virgin AtlanticVS3243
19:30
AirlineFlightNo
JetBlue AirwaysB6197
19:59
AirlineFlightNo
Singapore AirlinesSQ1217
Alaska AirlinesAS317
Qatar AirwaysQR2967
CondorDE5067
20:41
AirlineFlightNo
Alaska AirlinesAS364
VIEW FLIGHTS
Saturday
06:30
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
07:00
AirlineFlightNo
Korean AirKE6222
Air Tahiti NuiTN2335
Alaska AirlinesAS459
American AirlinesAA9302
Japan AirlinesJL6357
Qatar AirwaysQR4888
CondorDE5235
11:00
AirlineFlightNo
Air Tahiti NuiTN2336
Alaska AirlinesAS537
American AirlinesAA7490
CondorDE5065
12:00
AirlineFlightNo
Hainan AirlinesHU730
17:40
AirlineFlightNo
Aer LingusEI5268
Hawaiian AirlinesHA2111
TAP Air PortugalTP4393
18:55
AirlineFlightNo
Korean AirKE3168
Air FranceAF2487
KLMKL7232
Virgin AtlanticVS3243
19:59
AirlineFlightNo
Qatar AirwaysQR2967
20:41
AirlineFlightNo
Air Tahiti NuiTN2334
Alaska AirlinesAS364
Qatar AirwaysQR2033
20:51
AirlineFlightNo
JetBlue AirwaysB6197
22:12
AirlineFlightNo
Delta Air LinesDL342
23:13
AirlineFlightNo
Alaska AirlinesAS317
VIEW FLIGHTS
Sunday
06:30
AirlineFlightNo
Korean AirKE3010
China Eastern AirlinesMU8686
Delta Air LinesDL384
Virgin AtlanticVS3721
07:00
AirlineFlightNo
Alaska AirlinesAS459
11:00
AirlineFlightNo
Alaska AirlinesAS537
11:15
AirlineFlightNo
Delta Air LinesDL340
16:25
AirlineFlightNo
JetBlueB6197
17:27
AirlineFlightNo
Alaska AirlinesAS364
18:55
AirlineFlightNo
Delta Air LinesDL342
19:59
AirlineFlightNo
Alaska AirlinesAS317
VIEW FLIGHTS

Before departing customs Logan International make sure that you do not exceed baggage allowances as excess charges may be considerable.

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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 £101.33 ($127 €117.79)
£101.33
$127 | €117.79
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 £203.45 ($255 €236.50)
£203.45
$255 | €236.50
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 £101.33 ($127 €117.79)
£101.33
$127 | €117.79
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 £201.86 ($253 €234.64)
£201.86
$253 | €234.64
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, Etihad Airways, 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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