Find Cheap Flights from Seattle to Washington Dulles Intl

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to Washington Dulles Intl

(Round-trip)
Depart: Tue Aug 29 2017 Return: Sat Sep 2 2017 Trip spans 5 days
Frontier
Frontier
SEA
6:50a
IAD
10:17p
15h 27m
1 stop
IAD
2:40p
SEA
8:57a
18h 17m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Aug 29 2017 Trip spans 2 days
United
United
SEA
6:25p
IAD
11:16p
4h 51m
nonstop
IAD
4:25a
SEA
3:05p
10h 40m
1 stop
Depart: Sat Oct 28 2017 Return: Wed Nov 1 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
1:50a
IAD
10:59a
9h 09m
1 stop
IAD
11:25a
SEA
7:38p
8h 13m
1 stop
Depart: Wed Nov 1 2017 Return: Sat Nov 4 2017 Trip spans 4 days
Delta
Delta
SEA
7:43a
IAD
2:55p
7h 12m
1 stop
IAD
11:00a
SEA
6:37p
7h 37m
1 stop
Depart: Sun Dec 10 2017 Return: Mon Dec 11 2017 Trip spans 2 days
JetBlue
JetBlue
SEA
5:50p
IAD
5:41a
11h 51m
1 stop
IAD
1:43p
SEA
10:19p
8h 36m
1 stop
Depart: Mon Oct 30 2017 Return: Tue Oct 31 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:40a
IAD
8:55a
5h 15m
nonstop
IAD
1:05p
SEA
7:15p
6h 10m
nonstop
Depart: Sat Sep 2 2017 Return: Tue Sep 5 2017 Trip spans 4 days
Frontier
Frontier
SEA
2:44p
IAD
10:17p
7h 33m
1 stop
IAD
2:40p
SEA
8:57a
18h 17m
1 stop
Depart: Sun Oct 29 2017 Return: Tue Oct 31 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:00a
7h 45m
1 stop
IAD
1:30a
SEA
11:02a
9h 32m
1 stop
Depart: Fri Nov 3 2017 Return: Wed Nov 8 2017 Trip spans 6 days
Delta
Delta
SEA
5:30a
IAD
2:55p
9h 25m
1 stop
IAD
2:55a
SEA
11:34a
8h 39m
1 stop
Depart: Wed Sep 6 2017 Return: Wed Sep 27 2017 Trip spans 22 days
Frontier
Frontier
SEA
2:44p
IAD
10:17p
7h 33m
1 stop
IAD
2:45p
SEA
9:02a
18h 17m
1 stop
Depart: Wed Aug 23 2017 Return: Thu Aug 24 2017 Trip spans 2 days
United
United
SEA
6:25p
IAD
11:16p
4h 51m
nonstop
IAD
4:25a
SEA
9:45p
17h 20m
1 stop
Depart: Sat Nov 4 2017 Return: Wed Nov 8 2017 Trip spans 5 days
Delta
Delta
SEA
9:15a
IAD
4:43p
7h 28m
1 stop
IAD
4:45a
SEA
12:30p
7h 45m
1 stop
Depart: Wed Aug 30 2017 Return: Sat Sep 9 2017 Trip spans 11 days
American Airlines
American Airlines
SEA
2:05a
IAD
11:15a
9h 10m
1 stop
IAD
9:45a
SEA
9:39p
11h 54m
2 stops
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
SEA
2:40p
IAD
10:21p
7h 41m
1 stop
IAD
2:45p
SEA
9:02a
18h 17m
1 stop
Depart: Thu Nov 16 2017 Return: Thu Nov 23 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
10:55a
IAD
3:51p
4h 56m
nonstop
IAD
4:05a
SEA
10:02a
5h 57m
nonstop
Depart: Tue Nov 7 2017 Return: Sat Nov 11 2017 Trip spans 5 days
Delta
Delta
SEA
2:00a
IAD
8:29a
6h 29m
1 stop
IAD
8:00a
SEA
3:59p
7h 59m
1 stop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Frontier
Frontier
SEA
6:50a
IAD
10:21p
15h 31m
1 stop
IAD
2:45p
SEA
9:02a
18h 17m
1 stop
Depart: Mon Nov 13 2017 Return: Tue Nov 14 2017 Trip spans 2 days
United
United
SEA
3:05a
IAD
7:55a
4h 50m
nonstop
IAD
3:15a
SEA
8:46a
5h 31m
nonstop
Depart: Thu Aug 10 2017 Return: Tue Aug 15 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
6:20p
IAD
1:45a
7h 25m
1 stop
IAD
11:20a
SEA
8:02p
8h 42m
1 stop
Depart: Wed Nov 8 2017 Return: Sat Nov 11 2017 Trip spans 4 days
Delta
Delta
SEA
8:15a
IAD
3:39p
7h 24m
1 stop
IAD
3:30a
SEA
11:04a
7h 34m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$318
Destination

Washington
$318
Airlines Airline reviews

83 travelers who booked a flight from Seattle to Washington rated their chosen airlines with an average of 7.3.

Overall
7.6
Boarding
7.9
Crew
7.8
Comfort
6.9
Food
6.2
Entertainment
6.5