Find Deals on Flights from Washington to Seattle

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

(Round-trip)
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Frontier
Frontier
DCA
2:00p
SEA
9:15a
19h 15m
1 stop
SEA
2:35p
DCA
5:38a
15h 03m
1 stop
Depart: Sun Apr 9 2017 Return: Wed Apr 12 2017 Trip spans 4 days
Major Airline
Major Airline
DCA
6:52a
SEA
4:51p
9h 59m
1 stop
SEA
10:55a
DCA
1:24a
14h 29m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 12 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
1:40a
SEA
9:03a
7h 23m
1 stop
SEA
6:20p
DCA
1:55a
7h 35m
1 stop
Depart: Thu May 4 2017 Return: Fri May 5 2017 Trip spans 2 days
United
United
DCA
11:30a
SEA
11:10p
11h 40m
1 stop
SEA
2:00a
DCA
10:57a
8h 57m
1 stop
Depart: Tue Aug 29 2017 Return: Fri Sep 8 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
DCA
1:10p
SEA
9:20p
8h 10m
1 stop
SEA
3:30a
DCA
10:40a
7h 10m
1 stop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
JetBlue
JetBlue
DCA
8:38a
SEA
6:45p
10h 07m
1 stop
SEA
3:00a
DCA
2:18p
11h 18m
1 stop
Depart: Thu Apr 20 2017 Return: Tue Apr 25 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
2:00a
SEA
6:58p
16h 58m
1 stop
SEA
9:50a
IAD
8:10p
10h 20m
1 stop
Depart: Fri Apr 21 2017 Return: Tue Apr 25 2017 Trip spans 5 days
Frontier
Frontier
DCA
3:15a
SEA
8:35p
17h 20m
1 stop
SEA
3:05p
DCA
5:38a
14h 33m
1 stop
Depart: Sat Apr 22 2017 Return: Mon Apr 24 2017 Trip spans 3 days
Frontier
Frontier
DCA
9:30a
SEA
8:35p
11h 05m
1 stop
SEA
2:35p
DCA
5:38a
15h 03m
1 stop
Depart: Fri May 12 2017 Return: Sun May 21 2017 Trip spans 10 days
Major Airline
Major Airline
DCA
11:15p
SEA
4:31p
17h 16m
1 stop
SEA
3:00a
DCA
10:49a
7h 49m
1 stop
Depart: Mon Apr 24 2017 Return: Fri Apr 28 2017 Trip spans 5 days
Frontier
Frontier
DCA
3:15a
SEA
8:35p
17h 20m
1 stop
SEA
2:35p
DCA
9:55a
19h 20m
1 stop
Depart: Fri Jun 9 2017 Return: Mon Jun 12 2017 Trip spans 4 days
Major Airline
Major Airline
IAD
10:59a
SEA
5:15a
18h 16m
nonstop
SEA
9:45a
IAD
8:45p
11h 00m
nonstop
Depart: Mon Apr 3 2017 Return: Tue Apr 11 2017 Trip spans 9 days
American Airlines
American Airlines
IAD
2:49p
SEA
11:48p
8h 59m
1 stop
SEA
6:20p
IAD
1:48a
7h 28m
1 stop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
United
United
DCA
4:05a
SEA
2:36p
10h 31m
1 stop
SEA
7:00p
DCA
4:21a
9h 21m
1 stop
Depart: Wed Apr 26 2017 Return: Fri Apr 28 2017 Trip spans 3 days
Frontier
Frontier
DCA
3:15a
SEA
8:35p
17h 20m
1 stop
SEA
2:35p
DCA
5:38a
15h 03m
1 stop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:54p
6h 04m
nonstop
SEA
5:35a
DCA
10:53a
5h 18m
nonstop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
American Airlines
American Airlines
DCA
1:40a
SEA
9:03a
7h 23m
1 stop
SEA
8:15p
DCA
3:52a
7h 37m
1 stop
Depart: Wed May 10 2017 Return: Mon May 15 2017 Trip spans 6 days
United
United
DCA
11:30a
SEA
11:15p
11h 45m
1 stop
SEA
8:10p
DCA
5:56a
9h 46m
1 stop
Depart: Thu Apr 27 2017 Return: Fri Apr 28 2017 Trip spans 2 days
Frontier
Frontier
DCA
3:15a
SEA
5:10p
13h 55m
1 stop
SEA
2:35p
DCA
5:38a
15h 03m
1 stop
Depart: Sat Sep 23 2017 Return: Mon Sep 25 2017 Trip spans 3 days
JetBlue
JetBlue
IAD
10:36a
SEA
9:39p
11h 03m
1 stop
SEA
7:30p
IAD
3:00a
7h 30m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
only $270
only $260
Destination

Seattle
$260
Airlines Airline reviews

14 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 8.5.

Overall
8.9
Boarding
8.3
Crew
9.0
Comfort
8.6
Food
7.4
Entertainment
6.7