Find Deals on Flights from Seattle/Tacoma Intl to Washington (SEA - WAS)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Washington

(Round-trip)
Depart: Tue Oct 11 2016 Return: Tue Oct 18 2016 Trip spans 8 days
Frontier
Frontier
SEA
1:10p
DCA
5:49a
16h 39m
1 stop
DCA
3:00a
SEA
3:12p
12h 12m
1 stop
Depart: Mon Oct 31 2016 Return: Sat Nov 5 2016 Trip spans 6 days
Major Airline
Major Airline
SEA
11:05p
DCA
9:57a
10h 52m
1 stop
DCA
9:00a
SEA
3:14a
19h 14m
1 stop
Depart: Fri Jan 20 2017 Return: Sat Jan 21 2017 Trip spans 2 days
United
United
SEA
5:20p
IAD
10:08p
4h 48m
nonstop
IAD
3:15a
SEA
3:19p
12h 04m
2 stops
Depart: Mon Nov 7 2016 Return: Sat Nov 12 2016 Trip spans 6 days
JetBlue
JetBlue
SEA
4:00p
IAD
10:16a
18h 16m
1 stop
IAD
5:00a
SEA
9:59p
16h 59m
1 stop
Depart: Sun Oct 30 2016 Return: Tue Nov 1 2016 Trip spans 3 days
Sun Country Air
Sun Country Air
SEA
9:20a
DCA
4:10p
6h 50m
1 stop
DCA
2:55a
SEA
11:34a
8h 39m
1 stop
Depart: Sat Jan 14 2017 Return: Tue Jan 24 2017 Trip spans 11 days
American Airlines
American Airlines
SEA
8:05a
DCA
3:29p
7h 24m
1 stop
DCA
10:35a
SEA
6:51p
8h 16m
1 stop
Depart: Sat Dec 24 2016 Return: Wed Jan 4 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
SEA
9:10a
DCA
1:56p
4h 46m
nonstop
DCA
3:00a
SEA
9:02a
6h 02m
nonstop
Depart: Mon Feb 13 2017 Return: Sun Feb 19 2017 Trip spans 7 days
Delta
Delta
SEA
7:55p
DCA
2:49a
6h 54m
1 stop
DCA
3:30a
SEA
11:05a
7h 35m
1 stop
Depart: Tue Oct 18 2016 Return: Tue Oct 25 2016 Trip spans 8 days
Frontier
Frontier
SEA
7:25a
DCA
2:55p
7h 30m
1 stop
DCA
3:00a
SEA
3:12p
12h 12m
1 stop
Depart: Thu Oct 27 2016 Return: Wed Nov 2 2016 Trip spans 7 days
Major Airline
Major Airline
SEA
1:55a
IAD
11:45a
9h 50m
1 stop
IAD
2:00a
SEA
1:50p
11h 50m
1 stop
Depart: Wed Oct 19 2016 Return: Sat Oct 22 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DCA
5:49a
16h 39m
1 stop
DCA
3:00a
SEA
3:12p
12h 12m
1 stop
Depart: Thu Nov 10 2016 Return: Tue Nov 15 2016 Trip spans 6 days
Major Airline
Major Airline
SEA
3:20a
DCA
10:10a
6h 50m
1 stop
DCA
12:00p
SEA
5:34a
17h 34m
1 stop
Depart: Sat Oct 22 2016 Return: Tue Oct 25 2016 Trip spans 4 days
Frontier
Frontier
SEA
7:25a
DCA
2:55p
7h 30m
1 stop
DCA
3:00a
SEA
3:12p
12h 12m
1 stop
Depart: Mon Nov 14 2016 Return: Tue Nov 15 2016 Trip spans 2 days
Sun Country Air
Sun Country Air
SEA
8:20a
DCA
3:10p
6h 50m
1 stop
DCA
1:55a
SEA
10:34a
8h 39m
1 stop
Depart: Wed Nov 16 2016 Return: Sun Nov 20 2016 Trip spans 5 days
Major Airline
Major Airline
SEA
1:00a
IAD
6:35p
17h 35m
1 stop
IAD
9:15p
SEA
6:20a
9h 05m
1 stop
Depart: Fri Dec 9 2016 Return: Mon Dec 12 2016 Trip spans 4 days
JetBlue
JetBlue
SEA
4:00p
IAD
1:24a
9h 24m
1 stop
IAD
1:45a
SEA
9:59p
20h 14m
1 stop
Depart: Tue Oct 25 2016 Return: Tue Nov 1 2016 Trip spans 8 days
Frontier
Frontier
SEA
1:10p
DCA
5:49a
16h 39m
1 stop
DCA
1:00p
SEA
7:14a
18h 14m
1 stop
Depart: Thu Nov 17 2016 Return: Mon Nov 21 2016 Trip spans 5 days
Sun Country Air
Sun Country Air
SEA
8:20a
DCA
3:10p
6h 50m
1 stop
DCA
1:55a
SEA
6:09p
16h 14m
1 stop
Depart: Sun Jan 15 2017 Return: Tue Jan 24 2017 Trip spans 10 days
American Airlines
American Airlines
SEA
8:05a
DCA
3:29p
7h 24m
1 stop
DCA
8:45a
SEA
6:51p
10h 06m
1 stop
Depart: Wed Oct 12 2016 Return: Tue Oct 18 2016 Trip spans 7 days
Major Airline
Major Airline
SEA
11:35a
IAD
7:00p
7h 25m
1 stop
IAD
2:00a
SEA
1:50p
11h 50m
1 stop
Direct flights SEA to WAS on Delta
Flight # Depart SEA Arrive DCA Sun Mon Tue Wed Thu Fri Sat Valid Between
9014 1:50 pm 9:58 pm Oct 3 - Nov 5
* 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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$284
Destination

Washington
only $303
only $284
Airlines Airline reviews

52 travelers who booked a flight from Seattle to Washington rated their chosen airlines with an average of 6.6.

Overall
6.9
Boarding
7.1
Crew
7.5
Comfort
6.2
Food
5.9
Entertainment
5.6