Delta
SkyTeam
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United States
Logan International Airport
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United States
Seattle–Tacoma International Airport
Click to show full flight schedule
Scan through all non-stop flights from Boston to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from BOS to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In total there are 4 airlines operating nonstop flights from Boston BOS to Seattle / Tacoma SEA. 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 BOS SEA flight schedule.
Flights from BOS to SEA are operated 35 times a week, with an average of 5 flights per day. Departure times vary between 06:30 - 19:59. The earliest flight departs at 06:30, the last flight departs at 19:59. 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 Boston to Seattle / Tacoma takes 6 hours and 9 minutes. The flight distance between Boston and Seattle / Tacoma is 2,487 miles (or 4,002 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 35 flights per week flying from Boston to Seattle / Tacoma (as of April 2024).
6 hours and 9 minutes is the average flight time from Boston to Seattle / Tacoma.
The distance from Boston to Seattle / Tacoma is 2,487 miles (4,002 kilometers).
Alaska, Delta, Hainan Airlines and JetBlue are flying nonstop from Boston to Seattle / Tacoma.
Oneworld and SkyTeam are flying nonstop from Boston to Seattle / Tacoma.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Boston to Seattle / Tacoma:
The earliest flight departs at 06:30 from Boston and arrives at 09:50 at Seattle / Tacoma.
The latest flight departs at 19:59 from Boston and arrives at 23:13 at Seattle / Tacoma.
2,487 miles (4,002 km) · 6h 9m
06:30
09:50
Delta
SkyTeam
DL 384
Delta
Airbus A321neo
Y
W
J
F
07:00
10:15
Alaska
Oneworld
AS 459
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:00
10:15
Alaska
Oneworld
AS 459
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
07:00
10:15
Alaska
Oneworld
AS 459
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
07:00
10:15
Alaska
Oneworld
AS 459
Alaska
Boeing 737 MAX 9
Y
W
J
F
07:00
10:15
Alaska
Oneworld
AS 459
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
11:00
14:14
Alaska
Oneworld
AS 537
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
11:00
14:14
Alaska
Oneworld
AS 537
Alaska
Boeing 737 MAX 9
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
11:00
14:14
Alaska
Oneworld
AS 537
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
11:00
14:14
Alaska
Oneworld
AS 537
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
11:00
14:17
Delta
SkyTeam
DL 340
Delta
Airbus A321neo
Y
W
J
F
17:24
20:35
JetBlue
B6 197
JetBlue
Airbus A318/319/320/321
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:27
20:41
Alaska
Oneworld
AS 364
Alaska
Boeing 737 MAX 9
Y
W
J
F
18:40
21:30
Hainan Airlines
HU 730
Hainan Airlines
Boeing 787-9
Y
W
J
F
19:10
22:25
Delta
SkyTeam
DL 1123
Delta
Airbus A321neo
Y
W
J
F
19:35
22:54
Delta
SkyTeam
DL 1123
Delta
Airbus A321-100/200
Y
W
J
F
19:59
23:13
Alaska
Oneworld
AS 317
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
19:59
23:13
Alaska
Oneworld
AS 317
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
19:59
23:13
Alaska
Oneworld
AS 317
Alaska
Boeing 737 MAX 9
Y
W
J
F
19:59
23:13
Alaska
Oneworld
AS 317
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
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