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Direct flights from Seattle-Tacoma International (SEA) to Logan International (BOS)

55 nonstop flights a week from Seattle-Tacoma International (SEA) to Logan International (BOS) with 4 airlines, 5h 9m to 9h 40m in the air, 2,488 mi (4,004 km). Departures from 07:38 to 23:22.

Flights from Seattle to Boston

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Seattle-Tacoma International (SEA) to Logan International (BOS) at a glance

flights a week
55
flights today
8
airlines
4
flight time
5h 9m - 9h 40m
distance
2,488 mi (4,004 km)
first and last departure
07:38 - 23:22
arrival terminals
A, B, C

Seattle-Tacoma International (SEA) to Logan International (BOS) flight schedule

55 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
DL 459
Delta
07:38 Seattle-Tacoma International
16:00 Logan International, terminal A
5h 22m
Daily
Airbus A320
AS 279
Alaska Airlines
08:40 Seattle-Tacoma International
17:01 Logan International, terminal B
5h 21m
Mon, Fri, Sun
Boeing 737-800
AS 279
Alaska Airlines
08:47 Seattle-Tacoma International
17:17 Logan International, terminal B
5h 30m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737-900
AS 279
Alaska Airlines
09:00 Seattle-Tacoma International
17:21 Logan International, terminal B
5h 21m
Sat
Boeing 737
UA 1372
United Airlines
09:05 Seattle-Tacoma International
21:24 Logan International, terminal B
9h 19m
Daily
Airbus A320
AS 279
Alaska Airlines
09:30 Seattle-Tacoma International
18:00 Logan International, terminal B
5h 30m
Sat
Boeing 737-800
DL 438
Delta
11:45 Seattle-Tacoma International
20:01 Logan International, terminal A
5h 16m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A320
DL 438
Delta
12:00 Seattle-Tacoma International
20:19 Logan International, terminal A
5h 19m
Fri
Airbus A320
DL 474
Delta
13:40 Seattle-Tacoma International
21:50 Logan International, terminal A
5h 10m
Mon, Sat, Sun
Airbus A320
AS 460
Alaska Airlines
15:36 Seattle-Tacoma International
23:58 Logan International, terminal B
5h 22m
Daily
Boeing 737-900
AS 460
Alaska Airlines
15:40 Seattle-Tacoma International
23:59 Logan International, terminal B
5h 19m
Mon, Fri, Sat, Sun
Boeing 737-900
DL 474
Delta
15:45 Seattle-Tacoma International
23:54 Logan International, terminal A
5h 9m
Mon, Tue, Wed, Thu, Fri, Sun
Airbus A320
AS 214
Alaska Airlines
21:20 Seattle-Tacoma International
05:40 Logan International, terminal B
5h 20m
Daily
Boeing 737-900
AS 214
Alaska Airlines
22:00 Seattle-Tacoma International
06:20 Logan International, terminal B
5h 20m
Thu
Boeing 737
DL 473
Delta
23:07 Seattle-Tacoma International
07:20 Logan International, terminal A
5h 13m
Daily
Airbus A320
AS 214
Alaska Airlines
23:22 Seattle-Tacoma International
07:40 Logan International, terminal B
5h 18m
Mon, Fri, Sat, Sun
Boeing 737-800

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
AS 214
Alaska Airlines
21:21 Seattle-Tacoma International
05:40 Logan International, terminal B
5h 19m
Seasonal
Boeing 737-900
DL 473
Delta
22:52 Seattle-Tacoma International
07:19 Logan International, terminal A
5h 27m
Seasonal
Airbus A320
AS 279
Alaska Airlines
08:41 Seattle-Tacoma International
17:06 Logan International, terminal B
5h 25m
Seasonal
Boeing 737-900
AS 1568
Alaska Airlines
15:35 Seattle-Tacoma International
23:59 Logan International, terminal B
5h 24m
Seasonal
Boeing 737-900
AS 214
Alaska Airlines
23:09 Seattle-Tacoma International
07:40 Logan International, terminal B
5h 31m
Seasonal
Boeing 737-900
DL 459
Delta
07:15 Seattle-Tacoma International
15:43 Logan International, terminal A
5h 28m
Seasonal
Airbus A320
DL 876
Delta
15:55 Seattle-Tacoma International
00:13 Logan International, terminal A
5h 18m
Seasonal
Airbus A320
DL 473
Delta
23:15 Seattle-Tacoma International
07:37 Logan International, terminal A
5h 22m
Seasonal
Airbus A320
DL 459
Delta
07:20 Seattle-Tacoma International
15:54 Logan International, terminal A
5h 34m
Seasonal
Airbus A320
DL 473
Delta
22:00 Seattle-Tacoma International
06:33 Logan International, terminal A
5h 33m
Seasonal
Airbus A320
AS 279
Alaska Airlines
09:05 Seattle-Tacoma International
17:25 Logan International, terminal B
5h 20m
Seasonal
Boeing 737-900
AS 460
Alaska Airlines
21:20 Seattle-Tacoma International
05:40 Logan International, terminal B
5h 20m
Seasonal
Boeing 737-900
AS 524
Alaska Airlines
08:21 Seattle-Tacoma International
16:46 Logan International, terminal B
5h 25m
Seasonal
Boeing 737-900
UA 1372
United Airlines
09:02 Seattle-Tacoma International
21:42 Logan International, terminal B
9h 40m
Seasonal
Airbus A320
UA 2416
United Airlines
13:16 Seattle-Tacoma International
01:05 Logan International, terminal B
8h 49m
Seasonal
Airbus A320
AS 1553
Alaska Airlines
15:35 Seattle-Tacoma International
23:59 Logan International, terminal B
5h 24m
Seasonal
Boeing 737-900
AS 536
Alaska Airlines
23:40 Seattle-Tacoma International
08:02 Logan International, terminal B
5h 22m
Seasonal
Boeing 737-900
DL 474
Delta
15:55 Seattle-Tacoma International
00:20 Logan International, terminal A
5h 25m
Seasonal
Airbus A320
UA 2416
United Airlines
13:12 Seattle-Tacoma International
01:05 Logan International, terminal B
8h 53m
Seasonal
Airbus A320
AS 1749
Alaska Airlines
10:20 Seattle-Tacoma International
18:45 Logan International, terminal B
5h 25m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Boston is 3 hours ahead of Seattle.

Airlines flying Seattle-Tacoma International (SEA) to Logan International (BOS)

Nonstop flights a week by the current schedule

Delta27 a week Alaska Airlines21 a week United Airlines7 a week jetBlue

Frequently asked questions

How many nonstop flights are there from Seattle-Tacoma International (SEA) to Logan International (BOS)?
55 nonstop flights a week by the current schedule, 18 flight numbers, 8 today.
How long is the flight from Seattle-Tacoma International (SEA) to Logan International (BOS)?
From 5 hours 9 minutes to 9 hours 40 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Seattle-Tacoma International (SEA) to Logan International (BOS)?
Delta (27 a week), Alaska Airlines (21 a week), United Airlines (7 a week) and jetBlue.
Which terminals are used between Seattle-Tacoma International (SEA) and Logan International (BOS)?
Flights depart from Seattle-Tacoma International and arrive at Logan International, terminals A, B, C.
How far is Logan International (BOS) from Seattle-Tacoma International (SEA)?
2,488 mi (4,004 km) in a straight line.
What are the earliest and latest flights from Seattle-Tacoma International (SEA) to Logan International (BOS)?
The first departure is at 07:38 (Delta), the last at 23:22 (Alaska Airlines), local time.