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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: Wed May 13 2015 Return: Wed May 27 2015 Trip spans 15 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: Fri Aug 21 2015 Return: Tue Sep 1 2015 Trip spans 12 days
US Airways
US Airways
IAD
1:58p
SEA
9:52p
7h 54m
1 stop
SEA
8:20p
IAD
3:30a
7h 10m
1 stop
Depart: Fri May 8 2015 Return: Mon May 11 2015 Trip spans 4 days
Sun Country Air
Sun Country Air
DCA
6:00p
SEA
11:15a
17h 15m
1 stop
SEA
1:10p
DCA
3:20a
14h 10m
1 stop
Depart: Thu Sep 10 2015 Return: Sat Sep 19 2015 Trip spans 10 days
Virgin America
Virgin America
IAD
5:00a
SEA
3:55p
10h 55m
1 stop
SEA
3:00a
IAD
11:35a
8h 35m
1 stop
Depart: Sat May 9 2015 Return: Tue May 12 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
11:19a
SEA
9:05p
9h 46m
1 stop
SEA
6:15p
DCA
2:35a
8h 20m
1 stop
Depart: Tue May 12 2015 Return: Fri May 29 2015 Trip spans 18 days
Alaska Airlines
Alaska Airlines
IAD
2:20p
SEA
8:15p
5h 55m
nonstop
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
Depart: Fri May 15 2015 Return: Sat May 16 2015 Trip spans 2 days
United
United
IAD
4:25a
SEA
10:10a
5h 45m
nonstop
SEA
5:48p
IAD
10:51p
5h 03m
nonstop
Depart: Tue Sep 8 2015 Return: Mon Sep 14 2015 Trip spans 7 days
JetBlue Airways
JetBlue Airways
IAD
2:55a
SEA
11:22a
8h 27m
1 stop
SEA
7:14p
IAD
3:04a
7h 50m
1 stop
Depart: Sat Oct 3 2015 Return: Mon Oct 12 2015 Trip spans 10 days
JetBlue Airways
JetBlue Airways
DCA
12:35p
SEA
9:22p
8h 47m
1 stop
SEA
7:14p
DCA
3:32a
8h 18m
1 stop
Depart: Mon May 4 2015 Return: Mon May 18 2015 Trip spans 15 days
Delta
Delta
DCA
1:30p
SEA
8:18p
6h 48m
1 stop
SEA
9:05a
DCA
3:59p
6h 54m
1 stop
Depart: Wed May 6 2015 Return: Mon May 18 2015 Trip spans 13 days
Delta
Delta
IAD
9:00a
SEA
6:07p
9h 07m
1 stop
SEA
6:35p
IAD
2:08a
7h 33m
1 stop
Depart: Wed Aug 5 2015 Return: Wed Aug 12 2015 Trip spans 8 days
US Airways
US Airways
DCA
1:15p
SEA
12:29a
11h 14m
1 stop
SEA
8:35p
DCA
5:51a
9h 16m
1 stop
Depart: Sun Jul 19 2015 Return: Mon Jul 27 2015 Trip spans 9 days
United
United
DCA
3:45p
SEA
12:10a
8h 25m
1 stop
SEA
8:42p
DCA
5:56a
9h 14m
1 stop
Depart: Sat Aug 1 2015 Return: Tue Sep 1 2015 Trip spans 32 days
Frontier
Frontier
DCA
1:10p
SEA
9:15p
8h 05m
1 stop
SEA
6:20a
DCA
2:47p
8h 27m
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 7 - May 2
9218 8:00 am 10:38 am May 3 - Jun 6
Airports
Origin

Washington
only $257
only $296
Destination

Seattle
$257