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Find Flight Deals from Washington to Seattle/Tacoma Intl (WAS - SEA)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat Apr 25 2015 Return: Fri May 1 2015 Trip spans 7 days
Sun Country Air
Sun Country Air
DCA
7:55a
SEA
3:15p
7h 20m
1 stop
SEA
1:10p
DCA
3:55a
14h 45m
1 stop
Depart: Thu Apr 30 2015 Return: Mon May 4 2015 Trip spans 5 days
American Airlines
American Airlines
IAD
1:20a
SEA
9:08a
7h 48m
1 stop
SEA
6:05p
IAD
1:46a
7h 41m
1 stop
Depart: Mon May 4 2015 Return: Tue May 5 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
8:50a
SEA
6:48p
9h 58m
1 stop
SEA
1:00a
DCA
9:02a
8h 02m
1 stop
Depart: Tue Apr 21 2015 Return: Mon May 4 2015 Trip spans 14 days
US Airways
US Airways
IAD
1:20a
SEA
9:08a
7h 48m
1 stop
SEA
6:05p
IAD
1:46a
7h 41m
1 stop
Depart: Sat Jun 13 2015 Return: Tue Jun 16 2015 Trip spans 4 days
US Airways
US Airways
DCA
2:35p
SEA
10:36p
8h 01m
1 stop
SEA
8:40p
DCA
3:58a
7h 18m
1 stop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
United
United
IAD
4:25a
SEA
10:10a
5h 45m
nonstop
SEA
3:02a
IAD
8:04a
5h 02m
nonstop
Depart: Thu May 28 2015 Return: Sat May 30 2015 Trip spans 3 days
Alaska Airlines
Alaska Airlines
IAD
2:20p
SEA
8:15p
5h 55m
nonstop
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
Depart: Thu Aug 27 2015 Return: Mon Aug 31 2015 Trip spans 5 days
Virgin America
Virgin America
IAD
5:05a
SEA
3:55p
10h 50m
1 stop
SEA
1:40p
IAD
12:50a
11h 10m
1 stop
Depart: Thu Sep 17 2015 Return: Tue Sep 22 2015 Trip spans 6 days
Virgin America
Virgin America
DCA
7:40a
SEA
5:30p
9h 50m
2 stops
SEA
3:00a
DCA
2:40p
11h 40m
2 stops
Depart: Sun May 10 2015 Return: Sun May 17 2015 Trip spans 8 days
United
United
DCA
3:55p
SEA
12:00a
8h 05m
1 stop
SEA
5:47p
DCA
12:52a
7h 05m
1 stop
Depart: Sat Sep 19 2015 Return: Sat Sep 26 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
DCA
11:40a
SEA
9:22p
9h 42m
1 stop
SEA
7:14p
DCA
3:32a
8h 18m
1 stop
Depart: Tue Apr 14 2015 Return: Tue Apr 28 2015 Trip spans 15 days
Frontier
Frontier
DCA
9:30a
SEA
6:00p
8h 30m
1 stop
SEA
6:20a
DCA
2:59p
8h 39m
1 stop
Depart: Mon Apr 6 2015 Return: Mon Apr 20 2015 Trip spans 15 days
Delta
Delta
DCA
12:40p
SEA
8:10p
7h 30m
1 stop
SEA
8:50p
DCA
3:45a
6h 55m
1 stop
Depart: Thu Apr 9 2015 Return: Mon Apr 20 2015 Trip spans 12 days
Delta
Delta
IAD
9:00a
SEA
5:56p
8h 56m
1 stop
SEA
7:00p
IAD
2:10a
7h 10m
1 stop
Direct flights WAS to SEA on Delta
Flight # Depart DCA Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9218 8:00 am 10:39 am Apr 5 - May 2
9218 8:00 am 10:38 am May 3 - Jun 6
Airports
Origin

Washington
only $257
only $248
Destination

Seattle
$248