Find Cheap Flights from Washington to Seattle/Tacoma Intl (WAS - SEA)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
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 to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat Nov 4 2017 Return: Sat Nov 11 2017 Trip spans 8 days
Major Airline
Major Airline
IAD
8:05a
SEA
6:48p
10h 43m
1 stop
SEA
12:05a
IAD
9:53a
9h 48m
1 stop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
DCA
9:20a
SEA
8:37p
11h 17m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Mon Jul 3 2017 Return: Wed Jul 5 2017 Trip spans 3 days
United
United
DCA
8:45a
SEA
5:58p
9h 13m
1 stop
SEA
6:45a
DCA
3:31p
8h 46m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 4 2017 Trip spans 3 days
American Airlines
American Airlines
DCA
7:55a
SEA
4:42p
8h 47m
1 stop
SEA
9:05a
DCA
4:37p
7h 32m
1 stop
Depart: Thu Dec 7 2017 Return: Tue Dec 12 2017 Trip spans 6 days
Delta
Delta
IAD
4:40a
SEA
12:30p
7h 50m
1 stop
SEA
2:45a
IAD
1:00p
10h 15m
1 stop
Depart: Tue Aug 22 2017 Return: Thu Sep 7 2017 Trip spans 17 days
Major Airline
Major Airline
DCA
10:52a
SEA
4:57p
6h 05m
nonstop
SEA
12:05a
DCA
5:22a
5h 17m
nonstop
Depart: Fri Nov 17 2017 Return: Fri Nov 24 2017 Trip spans 8 days
JetBlue
JetBlue
IAD
3:10p
SEA
7:56p
28h 46m
1 stop
SEA
4:32p
IAD
3:15p
22h 43m
1 stop
Depart: Tue Sep 12 2017 Return: Sat Sep 16 2017 Trip spans 5 days
Frontier
Frontier
DCA
9:20a
SEA
5:02p
7h 42m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Sat Aug 26 2017 Return: Fri Sep 1 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
9:20a
SEA
3:20p
6h 00m
nonstop
SEA
11:55p
IAD
5:10a
5h 15m
nonstop
Depart: Wed Sep 20 2017 Return: Tue Oct 3 2017 Trip spans 14 days
Frontier
Frontier
DCA
9:20a
SEA
8:37p
11h 17m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Mon Aug 28 2017 Return: Mon Sep 11 2017 Trip spans 15 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:45p
5h 55m
nonstop
SEA
5:35a
DCA
10:40a
5h 05m
nonstop
Depart: Tue Jul 4 2017 Return: Tue Jul 11 2017 Trip spans 8 days
United
United
DCA
3:00a
SEA
10:49a
7h 49m
1 stop
SEA
6:45a
DCA
3:31p
8h 46m
1 stop
Depart: Fri Oct 6 2017 Return: Mon Oct 9 2017 Trip spans 4 days
American Airlines
American Airlines
IAD
7:00a
SEA
4:42p
9h 42m
1 stop
SEA
6:10p
IAD
3:30a
9h 20m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Frontier
Frontier
DCA
9:20a
SEA
5:02p
7h 42m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Tue Nov 14 2017 Return: Tue Nov 21 2017 Trip spans 8 days
Delta
Delta
DCA
1:00a
SEA
10:17a
9h 17m
1 stop
SEA
6:35a
DCA
3:51p
9h 16m
1 stop
Depart: Sun Sep 3 2017 Return: Thu Sep 7 2017 Trip spans 5 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:45p
5h 55m
nonstop
SEA
5:35a
DCA
10:40a
5h 05m
nonstop
Depart: Thu Jul 6 2017 Return: Fri Jul 7 2017 Trip spans 2 days
United
United
DCA
1:45a
SEA
11:06a
9h 21m
1 stop
SEA
6:36a
DCA
3:31p
8h 55m
1 stop
Depart: Sun Oct 8 2017 Return: Mon Oct 9 2017 Trip spans 2 days
American Airlines
American Airlines
DCA
1:25a
SEA
11:02a
9h 37m
1 stop
SEA
6:10p
DCA
3:52a
9h 42m
1 stop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Frontier
Frontier
DCA
9:20a
SEA
8:37p
11h 17m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Thu Dec 14 2017 Return: Tue Dec 19 2017 Trip spans 6 days
Delta
Delta
DCA
3:15a
SEA
11:34a
8h 19m
1 stop
SEA
8:15a
DCA
3:51p
7h 36m
1 stop
Direct flights WAS to SEA on United
Flight # Depart IAD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
389 8:15 am 11:03 am Jul 20 - Jul 26
389 8:15 am 11:03 am Jul 27 - Jul 28
389 8:15 am 11:03 am Jul 29 - Aug 14
389 8:15 am 11:03 am Jul 9 - Jul 30
389 8:15 am 11:03 am Jul 10 - Jul 19
389 8:15 am 11:03 am Jul 1 - Jul 8
389 8:15 am 11:03 am Jul 7 - Jul 13
389 8:15 am 11:03 am Jul 6 - Jul 6
389 8:15 am 11:03 am Jul 5 - Jul 5
389 8:15 am 11:03 am Jul 3 - Jul 3
1769 4:25 pm 7:13 pm Jul 3 - Jul 8
1769 4:25 pm 7:11 pm Jul 4 - Jul 4
1769 4:25 pm 7:11 pm Jul 10 - Aug 14
1769 4:25 pm 7:13 pm Jul 15 - Aug 12
1769 4:25 pm 7:11 pm Jul 2 - Jul 9
326 6:15 pm 9:03 pm Jul 30 - Aug 7
326 6:15 pm 9:03 pm Jul 27 - Jul 27
326 6:15 pm 9:03 pm Jul 26 - Jul 26
326 6:15 pm 9:03 pm Jul 16 - Jul 25
326 6:15 pm 9:03 pm Jul 13 - Jul 13
326 6:15 pm 9:03 pm Jul 7 - Aug 11
326 6:15 pm 9:03 pm Jul 5 - Jul 12
326 6:15 pm 9:03 pm Jul 3 - Jul 3
326 6:15 pm 9:03 pm Jul 1 - Jul 8
326 6:15 pm 9:03 pm Jul 15 - Aug 12
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $275
only $277
Destination

Seattle
$275