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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: Tue Sep 1 2015 Return: Sun Sep 6 2015 Trip spans 6 days
US Airways
US Airways
SEA
8:20p
IAD
3:30a
7h 10m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Tue Sep 15 2015 Return: Fri Sep 18 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Wed Sep 2 2015 Return: Sun Sep 6 2015 Trip spans 5 days
US Airways
US Airways
SEA
9:05a
IAD
4:25p
7h 20m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Wed Sep 16 2015 Return: Sat Sep 19 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
6:10p
IAD
1:50a
7h 40m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Fri Sep 18 2015 Return: Mon Sep 21 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Wed Sep 23 2015 Return: Sun Sep 27 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
6:10p
IAD
1:50a
7h 40m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Fri Sep 25 2015 Return: Tue Sep 29 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Sun Oct 18 2015 Return: Wed Oct 21 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Wed Oct 21 2015 Return: Tue Oct 27 2015 Trip spans 7 days
American Airlines
American Airlines
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Mon Sep 14 2015 Return: Fri Sep 18 2015 Trip spans 5 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Tue Sep 22 2015 Return: Sun Sep 27 2015 Trip spans 6 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Wed Sep 30 2015 Return: Wed Oct 7 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 13 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Fri Oct 16 2015 Return: Wed Oct 21 2015 Trip spans 6 days
American Airlines
American Airlines
SEA
1:10a
IAD
10:39a
9h 29m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Tue Oct 20 2015 Return: Tue Oct 27 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Tue May 19 2015 Return: Tue Jun 2 2015 Trip spans 15 days
Virgin America
Virgin America
SEA
1:40p
IAD
12:35a
10h 55m
1 stop
IAD
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Thu Sep 3 2015 Return: Thu Sep 10 2015 Trip spans 8 days
Delta
Delta
SEA
9:20a
IAD
3:45p
6h 25m
1 stop
IAD
9:30a
SEA
5:55p
8h 25m
1 stop
Depart: Sat May 23 2015 Return: Tue Jun 2 2015 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
IAD
2:20p
SEA
8:15p
5h 55m
nonstop
Depart: Sun May 24 2015 Return: Thu May 28 2015 Trip spans 5 days
United
United
SEA
3:02a
IAD
8:06a
5h 04m
nonstop
IAD
10:22a
SEA
7:07p
8h 45m
1 stop
Depart: Sun Sep 20 2015 Return: Tue Sep 22 2015 Trip spans 3 days
JetBlue Airways
JetBlue Airways
SEA
7:14p
IAD
3:04a
7h 50m
1 stop
IAD
2:55a
SEA
11:18a
8h 23m
1 stop
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
1144 7:02 am 3:06 pm May 31 - May 31
1293 7:02 am 3:06 pm May 24 - May 24
511 7:02 am 3:04 pm May 10 - May 17
1293 8:00 am 4:03 pm Jun 7 - Jun 21
1293 8:00 am 4:03 pm Jun 5 - Jun 11
1293 8:00 am 4:03 pm Jun 8 - Jun 15
1293 8:00 am 4:03 pm Jun 9 - Jun 23
1293 8:00 am 4:03 pm Jun 4 - Jun 4
419 8:00 am 4:01 pm Jun 6 - Jun 27
1293 8:04 am 4:08 pm May 9 - May 30
1293 8:05 am 4:09 pm May 14 - May 14
1293 8:05 am 4:09 pm May 15 - Jun 3
1293 8:05 am 4:09 pm May 7 - May 12
1293 8:05 am 4:09 pm May 11 - May 13
260 12:52 pm 8:55 pm Jun 10 - Jun 24
260 12:52 pm 8:55 pm Jun 7 - Jun 21
260 12:52 pm 8:55 pm Jun 6 - Jun 27
260 12:52 pm 8:55 pm Jun 4 - Jun 15
1088 12:56 pm 9:02 pm May 23 - May 23
1088 12:56 pm 9:02 pm May 9 - May 16
1088 12:56 pm 9:02 pm May 17 - May 17
1088 12:56 pm 9:02 pm May 31 - May 31
1926 12:56 pm 9:02 pm May 24 - May 24
260 12:56 pm 9:00 pm May 30 - Jun 1
260 12:56 pm 9:00 pm May 7 - May 29
1971 1:00 pm 9:06 pm Jun 3 - Jun 3
260 1:00 pm 9:04 pm May 12 - Jun 2
1204 9:35 pm 5:30 am Jun 7 - Jun 14
1454 9:35 pm 5:30 am Jun 8 - Jun 10
1651 9:35 pm 5:30 am Jun 5 - Jun 12
1651 9:35 pm 5:30 am Jun 9 - Jun 9
1651 9:35 pm 5:30 am Jun 4 - Jun 18
1199 9:46 pm 5:41 am Jun 6 - Jun 27
1685 9:47 pm 5:50 am May 10 - May 24
1685 9:47 pm 5:50 am May 31 - May 31
1685 9:48 pm 5:51 am May 23 - May 23
1685 9:48 pm 5:51 am May 16 - May 16
1685 9:48 pm 5:51 am May 30 - May 30
1685 9:50 pm 5:53 am Jun 3 - Jun 3
1685 9:50 pm 5:53 am May 14 - Jun 2
1685 9:50 pm 5:53 am May 6 - May 13
1204 11:52 pm 7:47 am Jun 5 - Jun 5
Airports
Origin

Seattle
$257
Destination

Washington
$257