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Find Flight Deals from Seattle/Tacoma Intl to Washington Dulles Intl (SEA - IAD)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Washington Dulles Intl

(Round-trip)
Depart: Mon Jan 12 2015 Return: Tue Jan 13 2015 Trip spans 2 days
US Airways
US Airways
SEA
5:20p
IAD
12:45a
7h 25m
1 stop
IAD
4:15a
SEA
12:41p
8h 26m
1 stop
Depart: Thu Jan 8 2015 Return: Sun Jan 11 2015 Trip spans 4 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
2:00a
SEA
10:22a
8h 22m
1 stop
Depart: Fri Jan 9 2015 Return: Sun Jan 11 2015 Trip spans 3 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
Depart: Sat Jan 10 2015 Return: Fri Jan 16 2015 Trip spans 7 days
US Airways
US Airways
SEA
6:15a
IAD
1:06p
6h 51m
1 stop
IAD
2:00a
SEA
10:22a
8h 22m
1 stop
Depart: Sun Jan 11 2015 Return: Sun Jan 18 2015 Trip spans 8 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
Depart: Tue Jan 13 2015 Return: Fri Jan 16 2015 Trip spans 4 days
US Airways
US Airways
SEA
5:20p
IAD
12:45a
7h 25m
1 stop
IAD
2:00a
SEA
10:22a
8h 22m
1 stop
Depart: Wed Jan 14 2015 Return: Fri Jan 16 2015 Trip spans 3 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
2:00a
SEA
10:22a
8h 22m
1 stop
Depart: Thu Jan 15 2015 Return: Fri Jan 16 2015 Trip spans 2 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
2:00a
SEA
10:22a
8h 22m
1 stop
Depart: Fri Jan 16 2015 Return: Sun Jan 18 2015 Trip spans 3 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
Depart: Sat Jan 17 2015 Return: Tue Jan 20 2015 Trip spans 4 days
US Airways
US Airways
SEA
6:15a
IAD
1:06p
6h 51m
1 stop
IAD
4:15a
SEA
12:41p
8h 26m
1 stop
Depart: Sun Jan 18 2015 Return: Thu Jan 29 2015 Trip spans 12 days
US Airways
US Airways
SEA
5:20p
IAD
2:27a
9h 07m
1 stop
IAD
12:20a
SEA
10:22a
10h 02m
1 stop
Depart: Tue Jan 20 2015 Return: Thu Jan 22 2015 Trip spans 3 days
US Airways
US Airways
SEA
5:20p
IAD
12:45a
7h 25m
1 stop
IAD
12:20a
SEA
10:22a
10h 02m
1 stop
Depart: Wed Jan 21 2015 Return: Fri Jan 23 2015 Trip spans 3 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
Depart: Thu Feb 12 2015 Return: Sun Mar 1 2015 Trip spans 18 days
Multiple Airlines
Multiple Airlines
SEA
5:50a
IAD
2:00p
8h 10m
1 stop
IAD
12:20a
SEA
10:22a
10h 02m
1 stop
Depart: Sat Mar 7 2015 Return: Mon Mar 9 2015 Trip spans 2 days
Virgin America
Virgin America
SEA
5:50a
IAD
2:00p
8h 10m
1 stop
IAD
6:00a
SEA
5:45p
11h 45m
1 stop
Depart: Sat Feb 21 2015 Return: Wed Feb 25 2015 Trip spans 5 days
Delta
Delta
SEA
1:00a
IAD
9:05a
8h 05m
1 stop
IAD
4:37a
SEA
1:34p
8h 57m
1 stop
Depart: Mon Jan 19 2015 Return: Fri Jan 30 2015 Trip spans 12 days
American Airlines
American Airlines
SEA
6:50p
IAD
4:16a
9h 26m
1 stop
IAD
8:07a
SEA
6:44p
10h 37m
1 stop
Depart: Thu Mar 19 2015 Return: Thu Mar 26 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
SEA
5:39p
IAD
2:24a
8h 45m
1 stop
IAD
8:50a
SEA
9:06p
12h 16m
1 stop
Depart: Fri Mar 20 2015 Return: Sun Mar 22 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
IAD
2:20p
SEA
8:15p
5h 55m
nonstop
Depart: Tue Apr 7 2015 Return: Sat Apr 11 2015 Trip spans 5 days
United
United
SEA
8:50a
IAD
1:38p
4h 48m
nonstop
IAD
8:30a
SEA
2:09p
5h 39m
nonstop
Change your search
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
1632 6:00 am 1:54 pm Jan 3 - Jan 3
1480 6:10 am 2:04 pm Dec 29 - Jan 5
511 6:10 am 2:02 pm Jan 4 - Jan 4
1191 8:05 am 3:57 pm Jan 25 - Jan 25
1191 8:05 am 3:57 pm Jan 11 - Jan 11
1191 8:05 am 3:57 pm Jan 13 - Jan 13
1191 8:05 am 3:57 pm Feb 3 - Feb 3
1249 8:05 am 3:57 pm Jan 18 - Jan 18
1405 8:05 am 3:57 pm Jan 27 - Jan 27
1405 8:05 am 3:57 pm Jan 20 - Jan 20
1632 8:05 am 3:57 pm Jan 17 - Jan 24
1632 8:05 am 3:57 pm Jan 31 - Feb 7
1686 8:05 am 3:57 pm Jan 8 - Jan 8
1741 8:05 am 3:57 pm Jan 19 - Jan 19
1741 8:05 am 3:57 pm Jan 26 - Jan 26
1741 8:05 am 3:57 pm Jan 14 - Jan 14
1741 8:05 am 3:57 pm Jan 16 - Jan 23
1741 8:05 am 3:57 pm Feb 2 - Feb 9
1741 8:05 am 3:57 pm Jan 12 - Jan 12
1741 8:05 am 3:57 pm Jan 21 - Jan 21
1741 8:05 am 3:57 pm Jan 30 - Jan 30
1741 8:05 am 3:57 pm Jan 29 - Jan 29
1741 8:05 am 3:57 pm Jan 28 - Jan 28
1741 8:05 am 3:57 pm Jan 6 - Jan 6
511 8:05 am 3:55 pm Jan 15 - Jan 15
511 8:05 am 3:55 pm Jan 9 - Jan 9
511 8:05 am 3:55 pm Feb 1 - Feb 1
511 8:05 am 3:55 pm Jan 10 - Jan 10
511 8:05 am 3:55 pm Jan 7 - Jan 7
1405 1:06 pm 9:02 pm Jan 3 - Jan 3
260 1:15 pm 9:09 pm Jan 5 - Jan 5
1740 11:37 pm 7:25 am Jan 3 - Jan 3
1743 11:37 pm 7:25 am Dec 28 - Jan 4
1100 11:38 pm 7:26 am Dec 29 - Jan 5
Airports
Origin

Seattle
$251
Destination

Washington
$251