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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: 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: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 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: Sat May 2 2015 Return: Wed May 6 2015 Trip spans 5 days
US Airways
US Airways
DCA
1:15p
SEA
10:07p
8h 52m
1 stop
SEA
4:25a
DCA
1:02p
8h 37m
1 stop
Depart: Thu May 7 2015 Return: Tue May 19 2015 Trip spans 13 days
American Airlines
American Airlines
DCA
8:50a
SEA
6:50p
10h 00m
1 stop
SEA
1:00a
DCA
10:21a
9h 21m
1 stop
Depart: Wed Apr 15 2015 Return: Tue Apr 21 2015 Trip spans 7 days
Alaska Airlines
Alaska Airlines
IAD
2:20p
SEA
8:15p
5h 55m
nonstop
SEA
5:20a
IAD
10:20a
5h 00m
nonstop
Depart: Sun May 3 2015 Return: Sun May 10 2015 Trip spans 8 days
United
United
IAD
1:30p
SEA
7:20p
5h 50m
nonstop
SEA
3:02a
IAD
8:04a
5h 02m
nonstop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 2015 Trip spans 2 days
Virgin America
Virgin America
IAD
3:15a
SEA
1:55p
10h 40m
1 stop
SEA
4:10p
IAD
12:45a
8h 35m
1 stop
Depart: Mon May 11 2015 Return: Tue May 12 2015 Trip spans 2 days
United
United
DCA
3:55p
SEA
12:00a
8h 05m
1 stop
SEA
8:46p
DCA
3:59a
7h 13m
1 stop
Depart: Thu Apr 9 2015 Return: Tue Apr 14 2015 Trip spans 6 days
Delta
Delta
DCA
12:40p
SEA
10:17p
9h 37m
1 stop
SEA
8:50p
DCA
3:45a
6h 55m
1 stop
Depart: Mon Apr 20 2015 Return: Sat Apr 25 2015 Trip spans 6 days
Frontier
Frontier
DCA
9:30a
SEA
6:00p
8h 30m
1 stop
SEA
6:20a
DCA
2:59p
8h 39m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 15 2015 Trip spans 8 days
JetBlue Airways
JetBlue Airways
IAD
2:55a
SEA
11:22a
8h 27m
1 stop
SEA
6:00p
IAD
2:09a
8h 09m
1 stop
Depart: Thu Apr 2 2015 Return: Wed Apr 15 2015 Trip spans 14 days
Delta
Delta
IAD
8:40a
SEA
4:14p
7h 34m
1 stop
SEA
5:46a
IAD
2:12p
8h 26m
1 stop
Depart: Fri Jun 12 2015 Return: Wed Jun 17 2015 Trip spans 6 days
Virgin America
Virgin America
DCA
1:05p
SEA
9:40p
8h 35m
1 stop
SEA
3:05a
DCA
2:59p
11h 54m
2 stops
Depart: Thu Jun 25 2015 Return: Tue Jun 30 2015 Trip spans 6 days
JetBlue Airways
JetBlue Airways
DCA
9:59a
SEA
5:55p
7h 56m
1 stop
SEA
3:00a
DCA
1:59p
10h 59m
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 10:38 am May 3 - Jun 6
9218 8:00 am 10:39 am Apr 5 - May 2
9218 8:00 am 10:50 am Mar 24 - Apr 4
Airports
Origin

Washington
only $257
only $244
Destination

Seattle
$244