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 Aug 25 2015 Return: Wed Aug 26 2015 Trip spans 2 days
US Airways
US Airways
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
7:00a
IAD
2:23p
7h 23m
1 stop
Depart: Sat Sep 12 2015 Return: Tue Sep 15 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
6:15p
IAD
1:46a
7h 31m
1 stop
Depart: Wed Aug 26 2015 Return: Wed Sep 2 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
9:05a
IAD
4:25p
7h 20m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 9 2015 Trip spans 9 days
US Airways
US Airways
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 9 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Sun Sep 6 2015 Return: Wed Sep 9 2015 Trip spans 4 days
US Airways
US Airways
IAD
9:45a
SEA
6:00p
8h 15m
1 stop
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
Depart: Tue Sep 8 2015 Return: Wed Sep 9 2015 Trip spans 2 days
US Airways
US Airways
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: Tue Sep 15 2015 Trip spans 7 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Tue Sep 15 2015 Return: Tue Sep 22 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Wed Sep 16 2015 Return: Tue Sep 22 2015 Trip spans 7 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Sat Sep 19 2015 Return: Tue Sep 22 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Sat Sep 26 2015 Return: Tue Sep 29 2015 Trip spans 4 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
7:07a
IAD
2:22p
7h 15m
1 stop
Depart: Tue Sep 29 2015 Return: Tue Oct 6 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 Aug 11 2015 Return: Wed Aug 26 2015 Trip spans 16 days
Delta
Delta
IAD
3:07p
SEA
11:49p
8h 42m
1 stop
SEA
2:15a
IAD
10:09a
7h 54m
1 stop
Depart: Fri Aug 21 2015 Return: Wed Sep 2 2015 Trip spans 13 days
Virgin America
Virgin America
IAD
5:05a
SEA
3:55p
10h 50m
1 stop
SEA
1:20p
IAD
11:05p
9h 45m
1 stop
Depart: Thu Sep 3 2015 Return: Tue Sep 8 2015 Trip spans 6 days
JetBlue Airways
JetBlue Airways
IAD
2:45a
SEA
11:11a
8h 26m
1 stop
SEA
7:15p
IAD
2:47a
7h 32m
1 stop
Depart: Thu Nov 26 2015 Return: Tue Dec 1 2015 Trip spans 6 days
United
United
IAD
7:30a
SEA
3:07p
7h 37m
1 stop
SEA
7:50a
IAD
12:38p
4h 48m
nonstop
Depart: Mon Nov 16 2015 Return: Fri Nov 20 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
IAD
1:50p
SEA
7:55p
6h 05m
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 5 - Aug 7
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 22 - Aug 22
1246 8:15 am 11:00 am Aug 29 - Sep 5
1246 8:15 am 11:00 am Aug 2 - Aug 16
1246 8:15 am 11:00 am Sep 2 - Sep 2
1246 8:15 am 11:00 am Sep 3 - Sep 8
1246 8:15 am 11:00 am Aug 12 - Aug 12
314 8:15 am 10:58 am Aug 17 - Aug 17
389 8:15 am 10:58 am Aug 23 - Sep 6
816 8:15 am 10:58 am Aug 10 - Aug 14
816 8:15 am 10:58 am Jul 28 - Aug 6
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
349 12:39 pm 3:22 pm Aug 9 - Aug 9
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 5 - Sep 5
1251 2:14 pm 4:56 pm Aug 25 - Aug 25
1840 2:14 pm 4:56 pm Aug 18 - Aug 18
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 22 - Aug 22
1840 2:14 pm 4:56 pm Sep 2 - Sep 2
1840 2:14 pm 4:56 pm Aug 29 - Aug 29
1840 2:14 pm 4:56 pm Sep 4 - Sep 10
1840 2:14 pm 4:56 pm Aug 26 - Aug 26
1840 2:14 pm 4:56 pm Aug 28 - Sep 3
1840 2:14 pm 4:56 pm Aug 27 - Aug 27
349 2:14 pm 4:54 pm Aug 19 - Aug 19
1043 2:22 pm 5:07 pm Aug 6 - Aug 6
349 2:22 pm 5:05 pm Aug 7 - Aug 14
349 2:22 pm 5:05 pm Aug 17 - Aug 17
349 2:22 pm 5:05 pm Aug 10 - Aug 10
349 2:22 pm 5:05 pm Aug 11 - Aug 11
349 2:22 pm 5:05 pm Aug 12 - Aug 12
1498 4:01 pm 6:46 pm Aug 8 - Aug 8
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 15 - Aug 15
1637 5:35 pm 8:15 pm Aug 16 - Aug 16
1637 5:35 pm 8:15 pm Aug 13 - Aug 13
1637 5:35 pm 8:15 pm Aug 6 - Aug 6
1637 5:35 pm 8:15 pm Aug 8 - Aug 8
1637 5:35 pm 8:15 pm Aug 10 - Aug 17
1637 5:35 pm 8:15 pm Aug 9 - Aug 9
1637 5:35 pm 8:15 pm Jul 31 - Aug 7
1637 5:38 pm 8:23 pm Aug 19 - Aug 19
1637 5:38 pm 8:23 pm Aug 18 - Aug 18
1637 5:38 pm 8:23 pm Aug 23 - Aug 23
1637 5:38 pm 8:23 pm Sep 2 - Sep 2
1637 5:38 pm 8:23 pm Sep 5 - Sep 5
1637 5:38 pm 8:23 pm Sep 4 - Sep 4
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 24 - Aug 28
1637 5:38 pm 8:23 pm Aug 30 - Sep 6
1637 5:38 pm 8:23 pm Aug 26 - Aug 26
1637 5:38 pm 8:23 pm Aug 22 - Aug 29
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 20 - Aug 20
1637 5:42 pm 8:27 pm Aug 21 - Aug 21
1637 5:42 pm 8:27 pm Aug 31 - Sep 7
Airports
Origin

Washington
$297
Destination

Seattle
$297