Delta
SkyTeam
Did you mean flights from Seattle / Tacoma to Washington?
United States
Washington Dulles 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 Washington to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from IAD 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 3 airlines operating nonstop flights from Washington IAD 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 IAD SEA flight schedule.
Flights from IAD to SEA are operated 22 times a week, with an average of 3 flights per day. Departure times vary between 07:00 - 22:15. The earliest flight departs at 07:00, the last flight departs at 22:15. 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 Washington to Seattle / Tacoma takes 5 hours and 56 minutes. The flight distance between Washington and Seattle / Tacoma is 2,298 miles (or 3,698 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 22 flights per week flying from Washington to Seattle / Tacoma (as of April 2024).
5 hours and 56 minutes is the average flight time from Washington to Seattle / Tacoma.
The distance from Washington to Seattle / Tacoma is 2,298 miles (3,698 kilometers).
Alaska, Delta and United Airlines are flying nonstop from Washington to Seattle / Tacoma.
Oneworld, SkyTeam and Star Alliance are flying nonstop from Washington to Seattle / Tacoma.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Washington to Seattle / Tacoma:
The earliest flight departs at 07:00 from Washington and arrives at 09:30 at Seattle / Tacoma.
The latest flight departs at 22:15 from Washington and arrives at 00:59 at Seattle / Tacoma.
2,298 miles (3,698 km) · 5h 56m
07:30
10:20
Delta
SkyTeam
DL 748
Delta
Airbus A220-300
Y
W
J
F
07:40
10:20
Alaska
Oneworld
AS 499
Alaska
Boeing 737-800 (winglets)
Y
W
J
F
07:40
10:20
Alaska
Oneworld
AS 499
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
16:40
19:31
Alaska
Oneworld
AS 351
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
16:40
19:31
Alaska
Oneworld
AS 351
Alaska
Boeing 737 MAX 9
Y
W
J
F
17:30
20:18
United Airlines
Star Alliance
UA 326
United Airlines
Boeing 737 MAX 9
Y
W
J
F
17:45
20:38
Delta
SkyTeam
DL 952
Delta
Airbus A220-300
Y
W
J
F
19:09
22:00
Alaska
Oneworld
AS 406
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
19:09
22:00
Alaska
Oneworld
AS 406
Alaska
Boeing 737-900 (winglets)
Y
W
J
F
19:09
22:00
Alaska
Oneworld
AS 406
Alaska
Boeing 737 MAX 9
Y
W
J
F
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