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Find Deals on Flights 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: Tue Sep 1 2015 Return: Tue Sep 8 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
3:00a
IAD
10:16a
7h 16m
1 stop
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
US Airways
US Airways
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
US Airways
US Airways
SEA
7:07a
IAD
2:23p
7h 16m
1 stop
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
Depart: Wed Sep 23 2015 Return: Tue Sep 29 2015 Trip spans 7 days
American Airlines
American Airlines
SEA
7:07a
IAD
2:23p
7h 16m
1 stop
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
Depart: Tue Sep 29 2015 Return: Sat Oct 3 2015 Trip spans 5 days
US Airways
US Airways
SEA
7:07a
IAD
2:23p
7h 16m
1 stop
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
Depart: Wed Sep 30 2015 Return: Sat Oct 3 2015 Trip spans 4 days
US Airways
US Airways
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
IAD
1:20a
SEA
9:07a
7h 47m
1 stop
Depart: Sat Oct 3 2015 Return: Tue Oct 6 2015 Trip spans 4 days
US Airways
US Airways
SEA
7:07a
IAD
2:23p
7h 16m
1 stop
IAD
3:00a
SEA
11:16a
8h 16m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 13 2015 Trip spans 8 days
US Airways
US Airways
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
IAD
3:00a
SEA
11:16a
8h 16m
1 stop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
US Airways
US Airways
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
IAD
3:00a
SEA
11:16a
8h 16m
1 stop
Depart: Wed Oct 14 2015 Return: Tue Oct 27 2015 Trip spans 14 days
American Airlines
American Airlines
SEA
9:20a
IAD
4:24p
7h 04m
1 stop
IAD
1:20a
SEA
11:16a
9h 56m
1 stop
Depart: Sat Sep 26 2015 Return: Wed Sep 30 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
1:00a
IAD
10:49a
9h 49m
1 stop
IAD
9:45a
SEA
7:52p
10h 07m
1 stop
Depart: Wed Sep 9 2015 Return: Wed Sep 16 2015 Trip spans 8 days
Virgin America
Virgin America
SEA
3:15p
IAD
11:05p
7h 50m
1 stop
IAD
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Sat Sep 12 2015 Return: Tue Sep 15 2015 Trip spans 4 days
Virgin America
Virgin America
SEA
3:00a
IAD
11:55a
8h 55m
1 stop
IAD
6:00a
SEA
5:30p
11h 30m
1 stop
Depart: Sat Oct 17 2015 Return: Tue Oct 20 2015 Trip spans 4 days
Virgin America
Virgin America
SEA
8:05a
IAD
3:55p
7h 50m
1 stop
IAD
5:00a
SEA
4:05p
11h 05m
1 stop
Depart: Thu Aug 27 2015 Return: Tue Sep 1 2015 Trip spans 6 days
US Airways
US Airways
SEA
9:05a
IAD
4:25p
7h 20m
1 stop
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
Depart: Fri Aug 28 2015 Return: Tue Sep 1 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
3:00a
IAD
10:16a
7h 16m
1 stop
IAD
1:20a
SEA
8:59a
7h 39m
1 stop
Depart: Thu Sep 17 2015 Return: Sun Oct 4 2015 Trip spans 18 days
Delta
Delta
SEA
2:55a
IAD
11:37a
8h 42m
1 stop
IAD
3:10p
SEA
10:33p
7h 23m
1 stop
Depart: Sun Oct 11 2015 Return: Tue Oct 13 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
SEA
5:51p
IAD
2:09a
8h 18m
1 stop
IAD
2:55a
SEA
11:18a
8h 23m
1 stop
Depart: Thu Sep 24 2015 Return: Mon Sep 28 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
5:35a
IAD
10:50a
5h 15m
nonstop
IAD
2:50p
SEA
9:00p
6h 10m
nonstop
Depart: Sat Nov 7 2015 Return: Sun Nov 8 2015 Trip spans 2 days
United
United
SEA
4:44p
IAD
9:33p
4h 49m
nonstop
IAD
3:15a
SEA
8:46a
5h 31m
nonstop
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
1594 8:10 am 4:13 pm Jul 26 - Aug 16
1594 8:10 am 4:13 pm Jul 21 - Aug 5
1594 8:10 am 4:13 pm Jul 19 - Jul 19
1594 8:10 am 4:13 pm Jul 15 - Jul 20
1594 8:10 am 4:13 pm Jul 13 - Jul 17
1594 8:10 am 4:13 pm Jul 12 - Jul 12
1594 8:10 am 4:13 pm Jul 11 - Jul 18
1594 8:10 am 4:13 pm Aug 11 - Aug 11
1594 8:10 am 4:13 pm Aug 8 - Aug 8
1594 8:10 am 4:13 pm Aug 6 - Aug 13
1594 8:10 am 4:13 pm Aug 1 - Aug 1
1594 8:10 am 4:13 pm Jul 23 - Jul 30
352 8:10 am 4:11 pm Jul 25 - Jul 25
1594 8:20 am 4:20 pm Aug 7 - Aug 7
1088 12:59 pm 9:04 pm Jul 25 - Jul 25
1603 12:59 pm 9:04 pm Aug 1 - Aug 1
1920 1:05 pm 9:10 pm Jul 18 - Jul 18
260 1:05 pm 9:08 pm Aug 8 - Aug 15
260 1:05 pm 9:08 pm Aug 5 - Aug 14
260 1:05 pm 9:08 pm Jul 10 - Jul 17
260 1:05 pm 9:08 pm Jul 20 - Aug 3
260 1:05 pm 9:08 pm Jul 13 - Jul 13
1623 1:10 pm 9:15 pm Jul 19 - Jul 19
1623 1:10 pm 9:15 pm Aug 9 - Aug 9
1623 1:10 pm 9:15 pm Aug 2 - Aug 2
1623 1:10 pm 9:15 pm Jul 26 - Jul 26
1623 1:10 pm 9:15 pm Jul 12 - Jul 12
1623 1:11 pm 9:16 pm Aug 11 - Aug 11
1623 1:11 pm 9:16 pm Aug 4 - Aug 4
1030 9:35 pm 5:25 am Jul 31 - Jul 31
1030 9:35 pm 5:25 am Aug 7 - Aug 7
1030 9:35 pm 5:25 am Jul 17 - Jul 24
1744 10:20 pm 6:10 am Aug 8 - Aug 8
1744 10:25 pm 6:15 am Jul 6 - Jul 20
1744 10:25 pm 6:15 am Jul 18 - Jul 25
1744 10:25 pm 6:15 am Jul 17 - Jul 17
1744 10:25 pm 6:15 am Jul 22 - Jul 22
1744 10:25 pm 6:15 am Jul 15 - Jul 15
1744 10:25 pm 6:15 am Jul 7 - Jul 21
1744 10:25 pm 6:15 am Jul 12 - Jul 26
1744 10:25 pm 6:15 am Aug 1 - Aug 1
1744 10:25 pm 6:15 am Aug 9 - Aug 17
1744 10:25 pm 6:15 am Aug 12 - Aug 12
1744 10:25 pm 6:15 am Jul 24 - Jul 24
1744 10:25 pm 6:15 am Jul 27 - Jul 29
1744 10:25 pm 6:15 am Aug 4 - Aug 6
1744 10:25 pm 6:15 am Jul 30 - Jul 30
1744 10:25 pm 6:15 am Aug 2 - Aug 3
1744 10:25 pm 6:15 am Jul 31 - Aug 7
608 10:25 pm 6:13 am Jul 28 - Jul 28
Airports
Origin

Seattle
$297
Destination

Washington
$297