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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: Sun Jan 25 2015 Return: Mon Jan 26 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: Sun Feb 8 2015 Return: Mon Feb 9 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: Sat Feb 7 2015 Return: Sun Feb 8 2015 Trip spans 2 days
Delta
Delta
SEA
6:59p
IAD
3:55a
8h 56m
1 stop
IAD
10:50a
SEA
7:42p
8h 52m
1 stop
Depart: Wed Jan 7 2015 Return: Sat Jan 10 2015 Trip spans 4 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
Depart: Fri Jan 9 2015 Return: Sat Jan 10 2015 Trip spans 2 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
Depart: Mon Jan 12 2015 Return: Wed Jan 14 2015 Trip spans 3 days
US Airways
US Airways
SEA
5:20p
IAD
2:27a
9h 07m
1 stop
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
Depart: Tue Jan 13 2015 Return: Wed Jan 14 2015 Trip spans 2 days
US Airways
US Airways
SEA
5:20p
IAD
12:45a
7h 25m
1 stop
IAD
11:15a
SEA
7:00p
7h 45m
1 stop
Depart: Wed Jan 14 2015 Return: Fri Jan 16 2015 Trip spans 3 days
US Airways
US Airways
SEA
5:20p
IAD
2:27a
9h 07m
1 stop
IAD
11:15a
SEA
7:00p
7h 45m
1 stop
Depart: Thu Jan 15 2015 Return: Sat Jan 24 2015 Trip spans 10 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
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: Sun Jan 18 2015 Return: Sat Jan 24 2015 Trip spans 7 days
US Airways
US Airways
SEA
5:20p
IAD
2:27a
9h 07m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
Depart: Tue Jan 20 2015 Return: Sat Jan 24 2015 Trip spans 5 days
US Airways
US Airways
SEA
5:20p
IAD
12:45a
7h 25m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
Depart: Wed Jan 21 2015 Return: Sat Jan 24 2015 Trip spans 4 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
Depart: Thu Jan 22 2015 Return: Mon Jan 26 2015 Trip spans 5 days
US Airways
US Airways
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
IAD
4:15a
SEA
12:41p
8h 26m
1 stop
Depart: Tue Jan 6 2015 Return: Tue Jan 27 2015 Trip spans 22 days
American Airlines
American Airlines
SEA
6:50p
IAD
4:16a
9h 26m
1 stop
IAD
1:25a
SEA
12:59p
11h 34m
1 stop
Depart: Thu Feb 26 2015 Return: Wed Mar 4 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SEA
2:00a
IAD
10:40a
8h 40m
1 stop
IAD
12:20a
SEA
10:22a
10h 02m
1 stop
Depart: Thu Jan 8 2015 Return: Mon Jan 26 2015 Trip spans 19 days
Virgin America
Virgin America
SEA
2:00a
IAD
10:40a
8h 40m
1 stop
IAD
4:00a
SEA
1:45p
9h 45m
1 stop
Depart: Sat Mar 7 2015 Return: Sun Mar 15 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
SEA
6:08p
IAD
4:13a
9h 05m
1 stop
IAD
8:50a
SEA
9:06p
12h 16m
1 stop
Depart: Sun Feb 15 2015 Return: Sun Feb 22 2015 Trip spans 8 days
United
United
SEA
2:44a
IAD
7:38a
4h 54m
nonstop
IAD
1:40p
SEA
7:30p
5h 50m
nonstop
Depart: Sat Mar 21 2015 Return: Thu Mar 26 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
IAD
2:20p
SEA
8:15p
5h 55m
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
1254 6:10 am 2:04 pm Dec 30 - Dec 30
1480 6:10 am 2:04 pm Jan 2 - Jan 2
1480 6:10 am 2:04 pm Dec 29 - Jan 5
1632 6:10 am 2:04 pm Jan 1 - Jan 1
511 6:10 am 2:02 pm Jan 4 - Jan 4
778 6:10 am 2:02 pm Dec 31 - Dec 31
1191 8:05 am 3:57 pm Jan 13 - Jan 13
1191 8:05 am 3:57 pm Jan 11 - Jan 11
1191 8:05 am 3:57 pm Jan 25 - Jan 25
1249 8:05 am 3:57 pm Jan 18 - Jan 18
1405 8:05 am 3:57 pm Jan 20 - Jan 20
1405 8:05 am 3:57 pm Jan 27 - Jan 27
1632 8:05 am 3:57 pm Jan 24 - Jan 24
1632 8:05 am 3:57 pm Jan 17 - Jan 17
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 29
1741 8:05 am 3:57 pm Jan 14 - Jan 14
1741 8:05 am 3:57 pm Jan 12 - Jan 12
1741 8:05 am 3:57 pm Jan 16 - Jan 23
1741 8:05 am 3:57 pm Jan 28 - Jan 28
1741 8:05 am 3:57 pm Jan 21 - Jan 21
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 7 - Jan 7
511 8:05 am 3:55 pm Jan 10 - Jan 10
511 8:05 am 3:55 pm Jan 9 - Jan 9
1405 1:06 pm 9:02 pm Jan 3 - Jan 3
260 1:15 pm 9:09 pm Jan 2 - Jan 5
260 1:15 pm 9:09 pm Dec 22 - Dec 29
260 1:15 pm 9:09 pm Dec 23 - Dec 30
260 1:15 pm 9:09 pm Jan 1 - Jan 1
1412 11:32 pm 7:20 am Dec 31 - Dec 31
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
1117 11:38 pm 7:26 am Dec 30 - Dec 30
1717 11:38 pm 7:26 am Jan 2 - Jan 2
1743 11:38 pm 7:26 am Jan 1 - Jan 1
Airports
Origin

Seattle
$251
Destination

Washington
$251