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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 Feb 7 2015 Return: Mon Feb 9 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
12:20a
SEA
8:19a
7h 59m
1 stop
SEA
6:05p
IAD
1:04a
6h 59m
1 stop
Depart: Wed Jan 7 2015 Return: Sun Jan 18 2015 Trip spans 12 days
US Airways
US Airways
IAD
8:40a
SEA
7:00p
10h 20m
1 stop
SEA
8:25a
IAD
3:23p
6h 58m
1 stop
Depart: Sun Jan 11 2015 Return: Tue Jan 13 2015 Trip spans 3 days
Delta
Delta
DCA
2:30a
SEA
12:59p
10h 29m
1 stop
SEA
7:55p
DCA
3:03a
7h 08m
1 stop
Depart: Wed Feb 11 2015 Return: Tue Feb 17 2015 Trip spans 7 days
Delta
Delta
IAD
4:40a
SEA
1:27p
8h 47m
1 stop
SEA
5:45p
IAD
1:48a
8h 03m
1 stop
Depart: Tue May 26 2015 Return: Sat May 30 2015 Trip spans 5 days
US Airways
US Airways
DCA
2:45p
SEA
10:22p
7h 37m
1 stop
SEA
8:45p
DCA
5:40a
8h 55m
1 stop
Depart: Tue Jan 6 2015 Return: Wed Jan 21 2015 Trip spans 16 days
Multiple Airlines
Multiple Airlines
DCA
12:45p
SEA
10:20p
9h 35m
1 stop
SEA
4:00a
DCA
1:40p
9h 40m
2 stops
Depart: Mon Dec 22 2014 Return: Tue Jan 6 2015 Trip spans 16 days
American Airlines
American Airlines
IAD
1:25a
SEA
12:55p
11h 30m
1 stop
SEA
6:50p
IAD
4:16a
9h 26m
1 stop
Depart: Thu May 14 2015 Return: Tue May 19 2015 Trip spans 6 days
Virgin America
Virgin America
IAD
3:30a
SEA
2:10p
10h 40m
1 stop
SEA
1:00p
IAD
11:15p
10h 15m
1 stop
Depart: Mon May 11 2015 Return: Thu May 14 2015 Trip spans 4 days
Virgin America
Virgin America
DCA
1:15p
SEA
9:40p
8h 25m
1 stop
SEA
3:05a
DCA
2:20p
11h 15m
2 stops
Depart: Sun Mar 15 2015 Return: Tue Mar 24 2015 Trip spans 10 days
JetBlue Airways
JetBlue Airways
DCA
3:15a
SEA
12:23p
9h 08m
1 stop
SEA
6:59p
DCA
3:21a
8h 22m
1 stop
Depart: Fri May 8 2015 Return: Mon May 18 2015 Trip spans 11 days
JetBlue Airways
JetBlue Airways
IAD
2:45a
SEA
11:21a
8h 36m
1 stop
SEA
6:50p
IAD
3:32a
8h 42m
1 stop
Depart: Tue Apr 14 2015 Return: Mon Apr 20 2015 Trip spans 7 days
Frontier
Frontier
DCA
9:40a
SEA
5:35p
7h 55m
1 stop
SEA
6:17a
DCA
2:59p
8h 42m
1 stop
Depart: Wed Dec 31 2014 Return: Wed Jan 14 2015 Trip spans 15 days
American Airlines
American Airlines
DCA
1:00a
SEA
11:10a
10h 10m
1 stop
SEA
6:50p
DCA
3:31a
8h 41m
1 stop
Depart: Sat Mar 28 2015 Return: Mon Mar 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: Sun Jun 14 2015 Return: Thu Jul 2 2015 Trip spans 19 days
United
United
IAD
4:15a
SEA
9:46a
5h 31m
nonstop
SEA
7:40p
IAD
12:29a
4h 49m
nonstop
Depart: Fri Jun 19 2015 Return: Tue Jul 7 2015 Trip spans 19 days
United
United
DCA
3:00a
SEA
10:15a
7h 15m
1 stop
SEA
9:45a
DCA
4:46p
7h 01m
1 stop
Depart: Mon Dec 29 2014 Return: Thu Jan 8 2015 Trip spans 11 days
Alaska Airlines
Alaska Airlines
DCA
1:40p
SEA
7:46p
6h 06m
nonstop
SEA
3:15a
DCA
8:10a
4h 55m
nonstop
Change your search
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 11:00 am Dec 26 - Jan 10
9218 8:00 am 11:05 am Jan 11 - Feb 7
Airports
Origin

Washington
only $255
only $260
Destination

Seattle
$255