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
Students
under 26
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: Fri Feb 3 2017 Return: Mon Feb 6 2017 Trip spans 4 days
Frontier
Frontier
DCA
2:15a
SEA
4:02p
13h 47m
1 stop
SEA
1:45p
DCA
4:22a
14h 37m
1 stop
Depart: Mon Jan 30 2017 Return: Sun Feb 5 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
4:17a
SEA
3:21p
11h 04m
1 stop
SEA
1:14p
DCA
11:01p
9h 47m
1 stop
Depart: Sat Jan 28 2017 Return: Tue Jan 31 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
IAD
2:00p
SEA
8:00p
6h 00m
nonstop
SEA
4:55a
IAD
9:47a
4h 52m
nonstop
Depart: Sat Feb 18 2017 Return: Tue Feb 21 2017 Trip spans 4 days
Delta
Delta
IAD
9:44a
SEA
8:20p
10h 36m
1 stop
SEA
5:50p
IAD
1:33a
7h 43m
1 stop
Depart: Thu Feb 16 2017 Return: Wed Feb 22 2017 Trip spans 7 days
United
United
IAD
12:40p
SEA
6:34p
5h 54m
nonstop
SEA
5:20p
IAD
10:14p
4h 54m
nonstop
Depart: Sat Apr 1 2017 Return: Wed Apr 5 2017 Trip spans 5 days
JetBlue
JetBlue
IAD
10:19a
SEA
9:47p
11h 28m
1 stop
SEA
6:26p
IAD
2:24a
7h 58m
1 stop
Depart: Sat Feb 4 2017 Return: Mon Feb 6 2017 Trip spans 3 days
Frontier
Frontier
DCA
2:15a
SEA
4:02p
13h 47m
1 stop
SEA
1:45p
DCA
4:22a
14h 37m
1 stop
Depart: Wed Feb 22 2017 Return: Wed Mar 1 2017 Trip spans 8 days
Major Airline
Major Airline
IAD
11:50p
SEA
9:30a
9h 40m
1 stop
SEA
7:55a
IAD
5:50p
9h 55m
1 stop
Depart: Sun Feb 5 2017 Return: Mon Feb 6 2017 Trip spans 2 days
Frontier
Frontier
DCA
12:00p
SEA
7:50a
19h 50m
1 stop
SEA
1:45p
DCA
4:22a
14h 37m
1 stop
Depart: Wed Feb 8 2017 Return: Sat Feb 11 2017 Trip spans 4 days
Frontier
Frontier
DCA
2:15a
SEA
4:04p
13h 49m
1 stop
SEA
1:45p
DCA
4:22a
14h 37m
1 stop
Depart: Wed May 31 2017 Return: Tue Jun 6 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
12:00a
SEA
5:43a
5h 43m
nonstop
SEA
6:05a
DCA
10:59a
4h 54m
nonstop
Depart: Thu Feb 9 2017 Return: Fri Feb 10 2017 Trip spans 2 days
Frontier
Frontier
DCA
2:15a
SEA
4:04p
13h 49m
1 stop
SEA
1:55p
DCA
4:22a
14h 27m
1 stop
Depart: Wed May 10 2017 Return: Mon May 15 2017 Trip spans 6 days
Delta
Delta
IAD
3:30a
SEA
11:18a
7h 48m
1 stop
SEA
8:55p
IAD
5:20a
8h 25m
1 stop
Depart: Wed Jan 25 2017 Return: Sun Jan 29 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
IAD
2:00p
SEA
8:00p
6h 00m
nonstop
SEA
4:55a
IAD
9:47a
4h 52m
nonstop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
6:59a
SEA
4:39p
9h 40m
1 stop
SEA
4:10a
DCA
12:02p
7h 52m
1 stop
Depart: Fri Feb 10 2017 Return: Mon Feb 13 2017 Trip spans 4 days
Frontier
Frontier
DCA
2:15a
SEA
4:04p
13h 49m
1 stop
SEA
1:55p
DCA
4:22a
14h 27m
1 stop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
United
United
IAD
12:24p
SEA
8:53p
8h 29m
1 stop
SEA
6:15p
IAD
11:10p
4h 55m
nonstop
Depart: Wed May 17 2017 Return: Wed May 24 2017 Trip spans 8 days
Delta
Delta
IAD
3:30a
SEA
11:18a
7h 48m
1 stop
SEA
7:35a
IAD
4:04p
8h 29m
1 stop
Depart: Mon Feb 20 2017 Return: Thu Mar 2 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
IAD
2:00p
SEA
8:00p
6h 00m
nonstop
SEA
4:55a
IAD
9:47a
4h 52m
nonstop
Depart: Thu Mar 9 2017 Return: Fri Mar 10 2017 Trip spans 2 days
United
United
IAD
12:30p
SEA
6:11p
5h 41m
nonstop
SEA
5:15p
IAD
10:10p
4h 55m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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 $228
only $214
Destination

Seattle
$214
Airlines Airline reviews

73 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 7.2.

Overall
7.5
Boarding
7.8
Crew
8.0
Comfort
7.2
Food
6.3
Entertainment
6.1