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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 15 2015 Return: Sat Sep 19 2015 Trip spans 5 days
US Airways
US Airways
SEA
6:10p
IAD
1:50a
7h 40m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Tue Oct 6 2015 Return: Sat Oct 10 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: Tue Oct 13 2015 Return: Tue Oct 20 2015 Trip spans 8 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: Tue Oct 27 2015 Return: Wed Nov 4 2015 Trip spans 9 days
US Airways
US Airways
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
IAD
12:20a
SEA
10:02a
9h 42m
1 stop
Depart: Wed Sep 9 2015 Return: Tue Sep 15 2015 Trip spans 7 days
American Airlines
American Airlines
SEA
1:10a
IAD
10:39a
9h 29m
1 stop
IAD
1:20a
SEA
8:55a
7h 35m
1 stop
Depart: Mon Sep 14 2015 Return: Tue Sep 22 2015 Trip spans 9 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: Sat Sep 19 2015 Return: Tue Sep 29 2015 Trip spans 11 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: Sat Sep 26 2015 Return: Sat Oct 3 2015 Trip spans 8 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: Mon Oct 12 2015 Return: Tue Oct 20 2015 Trip spans 9 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 Oct 14 2015 Return: Wed Oct 21 2015 Trip spans 8 days
American Airlines
American Airlines
SEA
7:50p
IAD
4:21a
8h 31m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Sat Oct 17 2015 Return: Tue Oct 20 2015 Trip spans 4 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: Sat Oct 24 2015 Trip spans 5 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 Oct 21 2015 Return: Sat Oct 24 2015 Trip spans 4 days
American Airlines
American Airlines
SEA
7:50p
IAD
4:21a
8h 31m
1 stop
IAD
1:20a
SEA
11:02a
9h 42m
1 stop
Depart: Sat Oct 24 2015 Return: Wed Oct 28 2015 Trip spans 5 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: Mon Oct 26 2015 Return: Wed Nov 4 2015 Trip spans 10 days
US Airways
US Airways
SEA
8:15p
IAD
4:21a
8h 06m
1 stop
IAD
12:20a
SEA
10:02a
9h 42m
1 stop
Depart: Sat Sep 12 2015 Return: Wed Sep 23 2015 Trip spans 12 days
Virgin America
Virgin America
SEA
3:00a
IAD
11:35a
8h 35m
1 stop
IAD
5:00a
SEA
3:55p
10h 55m
1 stop
Depart: Mon Sep 21 2015 Return: Sun Oct 4 2015 Trip spans 14 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
Depart: Thu May 28 2015 Return: Fri May 29 2015 Trip spans 2 days
Delta
Delta
SEA
7:00a
IAD
2:52p
7h 52m
1 stop
IAD
9:00a
SEA
6:07p
9h 07m
1 stop
Depart: Sat Sep 5 2015 Return: Sun Sep 6 2015 Trip spans 2 days
United
United
SEA
5:32p
IAD
10:21p
4h 49m
nonstop
IAD
4:15a
SEA
9:46a
5h 31m
nonstop
Depart: Fri Oct 2 2015 Return: Sun Oct 11 2015 Trip spans 10 days
Alaska Airlines
Alaska Airlines
SEA
5:35a
IAD
10:50a
5h 15m
nonstop
IAD
2:50p
SEA
9:00p
6h 10m
nonstop
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
1293 8:00 am 4:03 pm Jun 8 - Jun 8
1293 8:00 am 4:03 pm Jun 9 - Jun 16
1293 8:00 am 4:03 pm Jun 10 - Jun 15
1293 8:00 am 4:03 pm Jun 11 - Jun 11
1293 8:00 am 4:03 pm Jun 12 - Jun 12
1293 8:00 am 4:03 pm Jun 17 - Jun 23
1293 8:00 am 4:03 pm Jun 7 - Jun 14
1293 8:00 am 4:03 pm Jun 4 - Jun 4
1293 8:00 am 4:03 pm Jun 5 - Jun 5
1293 8:00 am 4:03 pm Jun 30 - Jun 30
1293 8:00 am 4:03 pm Jun 28 - Jun 28
1293 8:00 am 4:03 pm Jun 22 - Jun 29
1293 8:00 am 4:03 pm Jun 21 - Jun 21
1293 8:00 am 4:03 pm Jun 19 - Jun 26
1293 8:00 am 4:03 pm Jun 18 - Jun 18
1566 8:00 am 4:03 pm Jun 25 - Jun 25
1594 8:00 am 4:03 pm Jul 2 - Jul 10
1594 8:00 am 4:03 pm Jul 4 - Jul 4
419 8:00 am 4:01 pm Jun 6 - Jun 27
419 8:00 am 4:01 pm Jul 1 - Jul 1
1293 8:05 am 4:09 pm May 21 - Jun 3
1088 12:52 pm 8:57 pm Jul 1 - Jul 1
241 12:52 pm 8:55 pm Jun 28 - Jun 28
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 16 - Jun 16
260 12:52 pm 8:55 pm Jun 6 - Jun 27
260 12:52 pm 8:55 pm Jun 18 - Jun 30
260 12:52 pm 8:55 pm Jun 4 - Jun 15
1971 1:00 pm 9:06 pm Jun 3 - Jun 3
1531 1:05 pm 9:10 pm Jul 4 - Jul 4
260 1:05 pm 9:08 pm Jul 2 - Jul 9
1110 9:35 pm 5:30 am Jun 30 - Jun 30
1204 9:35 pm 5:30 am Jun 21 - Jun 21
1204 9:35 pm 5:30 am Jun 7 - Jun 14
1454 9:35 pm 5:30 am Jun 15 - Jun 22
1454 9:35 pm 5:30 am Jun 8 - Jun 10
1454 9:35 pm 5:30 am Jun 25 - Jun 25
1454 9:35 pm 5:30 am Jun 29 - Jun 29
1454 9:35 pm 5:30 am Jun 24 - Jun 24
1454 9:35 pm 5:30 am Jul 1 - Jul 1
1651 9:35 pm 5:30 am Jun 19 - Jun 19
1651 9:35 pm 5:30 am Jun 4 - Jun 18
1651 9:35 pm 5:30 am Jun 5 - Jun 5
1651 9:35 pm 5:30 am Jun 9 - Jun 9
1651 9:35 pm 5:30 am Jun 12 - Jun 12
1651 9:35 pm 5:30 am Jun 23 - Jun 23
1651 9:35 pm 5:30 am Jun 28 - Jun 28
1651 9:35 pm 5:30 am Jun 26 - Jun 26
1651 9:35 pm 5:30 am Jun 17 - Jun 17
1958 9:35 pm 5:30 am Jun 16 - Jun 16
1199 9:46 pm 5:41 am Jun 20 - Jun 27
1199 9:46 pm 5:41 am Jun 13 - Jun 13
1199 9:46 pm 5:41 am Jun 6 - Jun 6
1685 9:50 pm 5:53 am Jun 3 - Jun 3
1744 10:25 pm 6:15 am Jul 3 - Jul 3
1744 10:25 pm 6:15 am Jul 2 - Jul 30
1204 11:52 pm 7:47 am Jun 5 - Jun 5
1430 11:52 pm 7:47 am Jun 19 - Jun 26
1430 11:52 pm 7:47 am Jun 12 - Jun 12
Airports
Origin

Seattle
$297
Destination

Washington
$297