Alaska
Oneworld
Did you mean flights from Boston to Seattle / Tacoma?
United States
Seattle–Tacoma International Airport
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United States
Logan International Airport
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Scan through all non-stop flights from Seattle / Tacoma to Boston. The full flight schedule below gives an overview of all non-stop flights from SEA to BOS, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Known for its continental climate, Boston features hot, humid summers with temperatures above 30°C (86°F) and cold, snowy winters that often drop below 0°C (32°F). This striking seasonal contrast offers travelers a variety of activities, from summer hiking to winter sports, ensuring year-round appeal.
The best time to visit Boston is from March to November, covering spring, summer, and fall. While summer can be hot, it also sees slightly more rainfall than other seasons.
In total there are 3 airlines operating nonstop flights from Seattle / Tacoma SEA to Boston BOS. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA BOS flight schedule.
Flights from SEA to BOS are operated 37 times a week, with an average of 5 flights per day. Departure times vary between 06:00 - 23:55. The earliest flight departs at 06:00, the last flight departs at 23:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Seattle / Tacoma to Boston takes 5 hours and 24 minutes. The flight distance between Seattle / Tacoma and Boston is 2,487 miles (or 4,002 km).
There is 1 airport in Boston: Logan International Airport (BOS).
There are 37 flights per week flying from Seattle / Tacoma to Boston (as of April 2026).
5 hours and 24 minutes is the average flight time from Seattle / Tacoma to Boston.
The distance from Seattle / Tacoma to Boston is 2,487 miles (4,002 kilometers).
Alaska, Delta and JetBlue are flying nonstop from Seattle / Tacoma to Boston.
Oneworld and SkyTeam are flying nonstop from Seattle / Tacoma to Boston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Seattle / Tacoma to Boston:
The earliest flight departs at 06:00 from Seattle / Tacoma and arrives at 14:28 at Boston.
The latest flight departs at 23:55 from Seattle / Tacoma and arrives at 08:19 at Boston.
2,487 miles (4,002 km) · 5h 24m
07:00
15:33
Alaska
Oneworld
AS 1436
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:15
15:42
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
07:15
15:42
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
07:15
15:42
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
07:20
15:43
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
07:20
15:43
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
07:20
15:43
Delta
SkyTeam
DL 459
Delta
Airbus A321neo
Y
W
J
F
08:42
17:05
Alaska
Oneworld
AS 306
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:42
17:05
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:42
17:05
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
08:42
17:10
Alaska
Oneworld
AS 306
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
09:05
17:42
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
09:05
17:42
Alaska
Oneworld
AS 306
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
09:05
17:42
Alaska
Oneworld
AS 306
Alaska
Boeing 737 MAX 9
Y
W
J
F
15:21
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
15:21
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
15:21
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737 MAX 9
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737 MAX 9
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737 MAX 9
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
15:38
23:59
Alaska
Oneworld
AS 460
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
15:40
23:59
Delta
SkyTeam
DL 474
Delta
Airbus A321neo
Y
W
J
F
15:45
23:59
Delta
SkyTeam
DL 474
Delta
Airbus A321neo
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737 MAX 9
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737 MAX 9
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
22:15
06:39
Alaska
Oneworld
AS 214
Alaska
Boeing 737 MAX 9
Y
W
J
F
22:25
06:50
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:25
06:50
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:25
06:50
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:25
06:50
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:35
06:55
Delta
SkyTeam
DL 473
Delta
Airbus A321neo
Y
W
J
F
22:45
07:12
Alaska
Oneworld
AS 536
Alaska
Boeing 737 MAX 9
Y
W
J
F
22:45
07:12
Alaska
Oneworld
AS 536
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
22:45
07:12
Alaska
Oneworld
AS 536
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
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