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: Sat Oct 17 2015 Return: Thu Oct 29 2015 Trip spans 13 days
Delta
Delta
IAD
9:58a
SEA
8:42p
10h 44m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Mon Oct 19 2015 Return: Thu Oct 29 2015 Trip spans 11 days
Delta
Delta
IAD
9:58a
SEA
8:45p
10h 47m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Tue Oct 20 2015 Return: Thu Oct 29 2015 Trip spans 10 days
Delta
Delta
IAD
8:07a
SEA
6:35p
10h 28m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Wed Oct 21 2015 Return: Thu Oct 29 2015 Trip spans 9 days
Delta
Delta
IAD
9:00a
SEA
6:38p
9h 38m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Thu Oct 22 2015 Return: Thu Oct 29 2015 Trip spans 8 days
Delta
Delta
IAD
2:47a
SEA
9:32a
6h 45m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Fri Oct 23 2015 Return: Thu Oct 29 2015 Trip spans 7 days
Delta
Delta
IAD
3:11p
SEA
10:33p
7h 22m
1 stop
SEA
7:00p
IAD
3:23a
8h 23m
1 stop
Depart: Fri Sep 11 2015 Return: Fri Sep 25 2015 Trip spans 15 days
Delta
Delta
IAD
1:30p
SEA
10:01p
8h 31m
1 stop
SEA
8:45p
IAD
5:18a
8h 33m
1 stop
Depart: Sat Sep 12 2015 Return: Fri Sep 25 2015 Trip spans 14 days
Delta
Delta
IAD
1:30p
SEA
9:58p
8h 28m
1 stop
SEA
8:45p
IAD
5:18a
8h 33m
1 stop
Depart: Mon Sep 14 2015 Return: Mon Sep 21 2015 Trip spans 8 days
Delta
Delta
IAD
1:30p
SEA
11:17p
9h 47m
1 stop
SEA
6:45p
IAD
3:13a
8h 28m
1 stop
Depart: Tue Sep 15 2015 Return: Mon Sep 21 2015 Trip spans 7 days
Delta
Delta
IAD
9:23a
SEA
5:53p
8h 30m
1 stop
SEA
6:45p
IAD
3:13a
8h 28m
1 stop
Depart: Wed Sep 16 2015 Return: Fri Sep 25 2015 Trip spans 10 days
Delta
Delta
IAD
3:20p
SEA
10:21p
7h 01m
1 stop
SEA
8:45p
IAD
5:18a
8h 33m
1 stop
Depart: Sat Sep 19 2015 Return: Mon Sep 21 2015 Trip spans 3 days
Delta
Delta
IAD
1:30p
SEA
9:58p
8h 28m
1 stop
SEA
6:45p
IAD
3:13a
8h 28m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
Delta
Delta
IAD
1:20p
SEA
8:22p
7h 02m
1 stop
SEA
7:10p
IAD
2:01a
6h 51m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
Delta
Delta
IAD
3:20p
SEA
10:21p
7h 01m
1 stop
SEA
7:10p
IAD
2:01a
6h 51m
1 stop
Depart: Tue Dec 8 2015 Return: Tue Dec 15 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
12:20a
SEA
10:02a
9h 42m
1 stop
SEA
5:10p
IAD
12:50a
7h 40m
1 stop
Depart: Thu Sep 17 2015 Return: Tue Sep 22 2015 Trip spans 6 days
US Airways
US Airways
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
SEA
6:15p
IAD
1:46a
7h 31m
1 stop
Depart: Sun Sep 20 2015 Return: Tue Sep 22 2015 Trip spans 3 days
Virgin America
Virgin America
IAD
5:00a
SEA
3:55p
10h 55m
1 stop
SEA
1:20p
IAD
11:05p
9h 45m
1 stop
Depart: Sun Oct 18 2015 Return: Wed Oct 21 2015 Trip spans 4 days
JetBlue Airways
JetBlue Airways
IAD
2:55a
SEA
11:22a
8h 27m
1 stop
SEA
7:18p
IAD
2:47a
7h 29m
1 stop
Depart: Tue Nov 24 2015 Return: Thu Nov 26 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
IAD
1:50p
SEA
7:55p
6h 05m
nonstop
SEA
4:50a
IAD
9:50a
5h 00m
nonstop
Depart: Fri Feb 5 2016 Return: Sat Feb 13 2016 Trip spans 9 days
United
United
IAD
3:15a
SEA
8:46a
5h 31m
nonstop
SEA
6:40p
IAD
11:29p
4h 49m
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 Sep 11 - Sep 16
1246 8:15 am 11:00 am Sep 12 - Sep 19
1246 8:15 am 11:00 am Sep 14 - Sep 14
1246 8:15 am 11:00 am Sep 17 - Sep 21
1246 8:15 am 11:00 am Sep 22 - Sep 23
1246 8:15 am 10:57 am Sep 24 - Oct 1
1246 8:15 am 10:57 am Sep 25 - Sep 30
1246 8:15 am 10:57 am Oct 2 - Oct 24
1246 8:15 am 11:00 am Aug 27 - Sep 7
1246 8:15 am 11:00 am Sep 8 - Sep 13
1246 8:15 am 11:00 am Aug 29 - Sep 5
389 8:15 am 10:58 am Sep 9 - Sep 10
389 8:15 am 10:58 am Aug 30 - Sep 6
389 8:15 am 10:55 am Sep 27 - Oct 18
389 8:15 am 10:55 am Sep 29 - Oct 20
1251 12:45 pm 3:30 pm Sep 6 - Sep 6
349 12:45 pm 3:28 pm Sep 13 - Sep 20
1251 2:14 pm 4:56 pm Sep 7 - Sep 7
1251 2:14 pm 4:56 pm Sep 5 - Sep 5
1840 2:14 pm 4:56 pm Sep 17 - Sep 17
1840 2:14 pm 4:56 pm Sep 21 - Sep 21
1840 2:14 pm 4:56 pm Sep 19 - Sep 19
1840 2:14 pm 4:56 pm Sep 15 - Sep 15
1840 2:14 pm 4:56 pm Sep 18 - Sep 18
1840 2:14 pm 4:56 pm Sep 14 - Sep 14
1840 2:14 pm 4:56 pm Sep 16 - Sep 16
1840 2:14 pm 4:56 pm Sep 4 - Sep 10
1840 2:14 pm 4:56 pm Sep 23 - Sep 23
1840 2:14 pm 4:56 pm Sep 9 - Sep 9
1840 2:14 pm 4:56 pm Sep 12 - Sep 12
1840 2:14 pm 4:56 pm Sep 8 - Sep 8
349 2:14 pm 4:54 pm Sep 11 - Sep 11
357 2:28 pm 5:08 pm Sep 25 - Oct 5
357 2:28 pm 5:08 pm Sep 29 - Sep 29
357 2:28 pm 5:08 pm Oct 1 - Oct 1
1877 2:34 pm 5:16 pm Sep 30 - Sep 30
1877 2:35 pm 5:17 pm Sep 27 - Oct 4
1840 3:43 pm 6:25 pm Sep 24 - Sep 24
1637 5:35 pm 8:20 pm Sep 27 - Oct 9
1637 5:35 pm 8:20 pm Sep 26 - Oct 10
1637 5:35 pm 8:20 pm Sep 25 - Sep 25
1637 5:35 pm 8:20 pm Sep 29 - Sep 29
1637 5:35 pm 8:20 pm Sep 24 - Sep 24
1637 5:38 pm 8:23 pm Sep 19 - Sep 20
1637 5:38 pm 8:23 pm Sep 6 - Sep 12
1637 5:38 pm 8:23 pm Sep 17 - Sep 21
1637 5:38 pm 8:23 pm Sep 22 - Sep 22
1637 5:38 pm 8:23 pm Sep 16 - Sep 16
1637 5:38 pm 8:23 pm Sep 10 - Sep 15
1637 5:38 pm 8:23 pm Sep 11 - Sep 11
1637 5:38 pm 8:23 pm Sep 13 - Sep 13
1637 5:38 pm 8:23 pm Sep 8 - Sep 8
1637 5:38 pm 8:23 pm Sep 9 - Sep 9
1637 5:38 pm 8:23 pm Sep 4 - Sep 4
1637 5:38 pm 8:23 pm Sep 5 - Sep 5
1637 5:42 pm 8:27 pm Sep 23 - Sep 23
1637 5:42 pm 8:27 pm Aug 31 - Sep 7
Airports
Origin

Washington
$278
Destination

Seattle
$278