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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
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 Washington Dulles Intl to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Sep 15 2015 Return: Wed Oct 14 2015 Trip spans 30 days
Virgin America
Virgin America
IAD
6:00a
SEA
3:35p
9h 35m
1 stop
SEA
3:00a
IAD
11:35a
8h 35m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 23 2015 Trip spans 23 days
American Airlines
American Airlines
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 16 2015 Return: Wed Sep 23 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 23 2015 Trip spans 22 days
American Airlines
American Airlines
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 9 2015 Return: Wed Sep 16 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
6:15p
IAD
3:33a
9h 18m
1 stop
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
American Airlines
American Airlines
IAD
9:45a
SEA
7:52p
10h 07m
1 stop
SEA
6:15p
IAD
1:46a
7h 31m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
9:45a
SEA
7:52p
10h 07m
1 stop
SEA
6:15p
IAD
3:33a
9h 18m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 13 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
3:00a
SEA
11:16a
8h 16m
1 stop
SEA
6:15p
IAD
1:46a
7h 31m
1 stop
Depart: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
1:20a
SEA
11:16a
9h 56m
1 stop
SEA
6:15p
IAD
3:33a
9h 18m
1 stop
Depart: Wed Oct 14 2015 Return: Wed Oct 21 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
1:20a
SEA
11:16a
9h 56m
1 stop
SEA
6:15p
IAD
1:46a
7h 31m
1 stop
Depart: Wed Oct 21 2015 Return: Wed Oct 28 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
1:20a
SEA
11:16a
9h 56m
1 stop
SEA
6:15p
IAD
3:33a
9h 18m
1 stop
Depart: Tue Nov 3 2015 Return: Tue Nov 10 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
12:20a
SEA
10:16a
9h 56m
1 stop
SEA
5:10p
IAD
12:50a
7h 40m
1 stop
Depart: Wed Nov 4 2015 Return: Sat Nov 7 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
12:20a
SEA
10:16a
9h 56m
1 stop
SEA
5:10p
IAD
2:30a
9h 20m
1 stop
Depart: Sat Nov 7 2015 Return: Sat Nov 14 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
12:20a
SEA
10:02a
9h 42m
1 stop
SEA
5:10p
IAD
2:30a
9h 20m
1 stop
Depart: Sat Aug 22 2015 Return: Fri Aug 28 2015 Trip spans 7 days
Delta
Delta
IAD
1:20p
SEA
8:25p
7h 05m
1 stop
SEA
8:55p
IAD
5:22a
8h 27m
1 stop
Depart: Thu Nov 26 2015 Return: Wed Dec 2 2015 Trip spans 7 days
United
United
IAD
7:30a
SEA
3:44p
8h 14m
1 stop
SEA
5:43a
IAD
1:00p
7h 17m
1 stop
Depart: Sun Oct 25 2015 Return: Sun Nov 1 2015 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
2:50p
SEA
9:00p
6h 10m
nonstop
SEA
4:50a
IAD
9:50a
5h 00m
nonstop
Direct flights IAD to SEA on United
Flight # Depart IAD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
1246 8:15 am 11:00 am Aug 12 - Aug 12
1246 8:15 am 11:00 am Aug 18 - Aug 31
1246 8:15 am 11:00 am Aug 19 - Aug 26
1246 8:15 am 11:00 am Aug 29 - Sep 5
1246 8:15 am 11:00 am Aug 22 - Aug 22
1246 8:15 am 11:00 am Sep 2 - Sep 2
1246 8:15 am 11:00 am Sep 11 - Sep 16
1246 8:15 am 11:00 am Aug 2 - Aug 16
1246 8:15 am 11:00 am Sep 3 - Sep 8
314 8:15 am 10:58 am Aug 17 - Aug 17
389 8:15 am 10:58 am Aug 23 - Sep 6
389 8:15 am 10:58 am Sep 9 - Sep 10
816 8:15 am 10:58 am Aug 3 - Aug 11
816 8:15 am 10:58 am Aug 14 - Aug 14
816 8:15 am 10:58 am Aug 13 - Aug 13
314 8:25 am 11:08 am Aug 1 - Aug 15
349 12:30 pm 3:13 pm Aug 16 - Aug 16
349 12:36 pm 3:19 pm Aug 23 - Aug 23
1251 12:45 pm 3:30 pm Sep 6 - Sep 6
349 12:45 pm 3:28 pm Aug 30 - Aug 30
1251 2:14 pm 4:56 pm Sep 7 - Sep 7
1251 2:14 pm 4:56 pm Aug 25 - Aug 25
1251 2:14 pm 4:56 pm Sep 5 - Sep 5
1840 2:14 pm 4:56 pm Aug 26 - Aug 26
1840 2:14 pm 4:56 pm Aug 22 - Aug 22
1840 2:14 pm 4:56 pm Aug 28 - Sep 3
1840 2:14 pm 4:56 pm Aug 20 - Aug 20
1840 2:14 pm 4:56 pm Aug 21 - Aug 24
1840 2:14 pm 4:56 pm Aug 18 - Aug 18
1840 2:14 pm 4:56 pm Aug 29 - Aug 29
1840 2:14 pm 4:56 pm Sep 2 - Sep 2
1840 2:14 pm 4:56 pm Sep 4 - Sep 10
1840 2:14 pm 4:56 pm Sep 8 - Sep 8
1840 2:14 pm 4:56 pm Aug 27 - Aug 27
1840 2:14 pm 4:56 pm Sep 9 - Sep 9
349 2:14 pm 4:54 pm Sep 11 - Sep 11
349 2:14 pm 4:54 pm Aug 19 - Aug 19
349 2:22 pm 5:05 pm Aug 11 - Aug 11
349 2:22 pm 5:05 pm Aug 17 - Aug 17
349 2:22 pm 5:05 pm Aug 13 - Aug 14
349 2:22 pm 5:05 pm Aug 12 - Aug 12
1498 4:02 pm 6:47 pm Aug 15 - Aug 15
1637 5:35 pm 8:15 pm Aug 14 - Aug 14
1637 5:35 pm 8:15 pm Aug 17 - Aug 17
1637 5:35 pm 8:15 pm Aug 16 - Aug 16
1637 5:35 pm 8:15 pm Aug 15 - Aug 15
1637 5:35 pm 8:15 pm Aug 13 - Aug 13
1637 5:38 pm 8:23 pm Aug 26 - Aug 26
1637 5:38 pm 8:23 pm Sep 11 - Sep 11
1637 5:38 pm 8:23 pm Sep 5 - Sep 5
1637 5:38 pm 8:23 pm Aug 22 - Aug 29
1637 5:38 pm 8:23 pm Aug 23 - Aug 23
1637 5:38 pm 8:23 pm Sep 9 - Sep 9
1637 5:38 pm 8:23 pm Sep 8 - Sep 8
1637 5:38 pm 8:23 pm Sep 4 - Sep 4
1637 5:38 pm 8:23 pm Sep 2 - Sep 2
1637 5:38 pm 8:23 pm Sep 10 - Sep 15
1637 5:38 pm 8:23 pm Aug 30 - Sep 6
1637 5:38 pm 8:23 pm Aug 18 - Aug 18
1637 5:38 pm 8:23 pm Aug 24 - Aug 28
1637 5:38 pm 8:23 pm Sep 3 - Sep 3
1637 5:38 pm 8:23 pm Aug 25 - Sep 1
1637 5:38 pm 8:23 pm Aug 19 - Aug 19
1637 5:39 pm 8:19 pm Aug 12 - Aug 12
1637 5:39 pm 8:19 pm Aug 4 - Aug 11
1637 5:42 pm 8:27 pm Aug 21 - Aug 21
1637 5:42 pm 8:27 pm Aug 20 - Aug 20
1637 5:42 pm 8:27 pm Aug 31 - Sep 7
Airports
Origin

Washington
$296
Destination

Seattle
$296