Find Deals on 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: Tue Mar 7 2017 Return: Wed Mar 15 2017 Trip spans 8 days
Frontier
Frontier
DCA
12:00p
SEA
7:09a
19h 09m
1 stop
SEA
2:55p
DCA
5:24a
14h 29m
1 stop
Depart: Fri May 26 2017 Return: Tue Jun 6 2017 Trip spans 12 days
Major Airline
Major Airline
IAD
9:30a
SEA
3:28p
5h 58m
nonstop
SEA
12:10a
IAD
5:17a
5h 07m
nonstop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
United
United
IAD
1:25p
SEA
7:20p
5h 55m
nonstop
SEA
3:50a
IAD
8:57a
5h 07m
nonstop
Depart: Mon Mar 27 2017 Return: Tue Mar 28 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
IAD
1:30p
SEA
7:28p
5h 58m
nonstop
SEA
4:20a
IAD
9:15a
4h 55m
nonstop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
Delta
Delta
DCA
2:00a
SEA
9:53a
7h 53m
1 stop
SEA
7:19a
DCA
3:59p
8h 40m
1 stop
Depart: Mon May 22 2017 Return: Wed May 31 2017 Trip spans 10 days
American Airlines
American Airlines
DCA
1:45p
SEA
9:59p
8h 14m
1 stop
SEA
8:14p
DCA
3:53a
7h 39m
1 stop
Depart: Sat Apr 22 2017 Return: Sat Apr 29 2017 Trip spans 8 days
Frontier
Frontier
DCA
9:30a
SEA
8:35p
11h 05m
1 stop
SEA
5:57a
DCA
2:49p
8h 52m
1 stop
Depart: Fri Jun 16 2017 Return: Tue Jun 20 2017 Trip spans 5 days
JetBlue
JetBlue
DCA
6:54a
SEA
6:45p
11h 51m
1 stop
SEA
3:00a
DCA
2:37p
11h 37m
1 stop
Depart: Thu Jun 1 2017 Return: Tue Jun 6 2017 Trip spans 6 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:54p
6h 04m
nonstop
SEA
5:35a
DCA
10:53a
5h 18m
nonstop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Frontier
Frontier
DCA
9:30a
SEA
5:10p
7h 40m
1 stop
SEA
5:57a
DCA
2:49p
8h 52m
1 stop
Depart: Mon Apr 24 2017 Return: Sat Apr 29 2017 Trip spans 6 days
Major Airline
Major Airline
DCA
3:00a
SEA
1:10p
10h 10m
1 stop
SEA
10:35a
DCA
1:38a
15h 03m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Frontier
Frontier
DCA
9:30a
SEA
8:35p
11h 05m
1 stop
SEA
6:55a
DCA
2:49p
7h 54m
1 stop
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
9:30a
SEA
3:28p
5h 58m
nonstop
SEA
12:10a
IAD
5:17a
5h 07m
nonstop
Depart: Wed Mar 15 2017 Return: Mon Mar 20 2017 Trip spans 6 days
United
United
IAD
4:40a
SEA
10:24a
5h 44m
nonstop
SEA
6:15p
IAD
11:10p
4h 55m
nonstop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Frontier
Frontier
DCA
9:30a
SEA
5:10p
7h 40m
1 stop
SEA
7:00a
DCA
2:49p
7h 49m
1 stop
Depart: Wed Apr 5 2017 Return: Tue Apr 11 2017 Trip spans 7 days
Delta
Delta
DCA
2:25a
SEA
9:41a
7h 16m
1 stop
SEA
6:35p
DCA
2:06a
7h 31m
1 stop
Depart: Sat Mar 25 2017 Return: Tue Mar 28 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
IAD
1:30p
SEA
7:28p
5h 58m
nonstop
SEA
4:20a
IAD
9:15a
4h 55m
nonstop
Depart: Thu Mar 16 2017 Return: Tue Mar 21 2017 Trip spans 6 days
United
United
IAD
12:30p
SEA
6:11p
5h 41m
nonstop
SEA
8:50a
IAD
1:47p
4h 57m
nonstop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
Frontier
Frontier
DCA
9:25a
SEA
8:35p
11h 10m
1 stop
SEA
7:00a
DCA
2:49p
7h 49m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Delta
Delta
DCA
2:00a
SEA
9:53a
7h 53m
1 stop
SEA
10:00a
DCA
4:29p
6h 29m
1 stop
Direct flights WAS to SEA on Delta
Flight # Depart DCA Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9013 8:00 am 11:04 am Feb 16 - Mar 11
9013 8:00 am 10:53 am Mar 12 - Apr 9
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
only $251
only $241
Destination

Seattle
$241
Airlines Airline reviews

79 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 7.3.

Overall
7.5
Boarding
7.8
Crew
8.0
Comfort
7.2
Food
6.4
Entertainment
6.2