Find Cheap Flights from Washington Reagan-National to Seattle/Tacoma Intl (DCA - 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.
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 Washington Reagan-National to Seattle/Tacoma Intl

(Round-trip)
Depart: Wed Aug 23 2017 Return: Sat Aug 26 2017 Trip spans 4 days
Major Airline
Major Airline
DCA
12:00a
SEA
5:50a
5h 50m
nonstop
SEA
12:00a
DCA
5:14a
5h 14m
nonstop
Depart: Tue Oct 10 2017 Return: Tue Oct 31 2017 Trip spans 22 days
Frontier
Frontier
DCA
1:05p
SEA
9:02a
19h 57m
1 stop
SEA
3:00p
DCA
5:29a
14h 29m
1 stop
Depart: Sun May 28 2017 Return: Fri Jun 2 2017 Trip spans 6 days
American Airlines
American Airlines
DCA
6:35a
SEA
4:00p
9h 25m
1 stop
SEA
4:05a
DCA
12:25p
8h 20m
1 stop
Depart: Sat Jun 3 2017 Return: Mon Jun 5 2017 Trip spans 3 days
United
United
DCA
11:30a
SEA
11:15p
11h 45m
1 stop
SEA
8:10p
DCA
4:21a
8h 11m
1 stop
Depart: Thu Sep 7 2017 Return: Wed Sep 13 2017 Trip spans 7 days
Delta
Delta
DCA
10:55a
SEA
9:21p
10h 26m
1 stop
SEA
7:35a
DCA
4:51p
9h 16m
1 stop
Depart: Thu Nov 30 2017 Return: Mon Dec 4 2017 Trip spans 5 days
JetBlue
JetBlue
DCA
1:00a
SEA
10:00a
9h 00m
1 stop
SEA
5:50p
DCA
1:44a
7h 54m
1 stop
Depart: Tue Sep 5 2017 Return: Fri Sep 8 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DCA
1:25p
SEA
8:53p
7h 28m
1 stop
SEA
3:29a
DCA
10:48a
7h 19m
1 stop
Depart: Wed Aug 30 2017 Return: Sat Sep 9 2017 Trip spans 11 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:45p
5h 55m
nonstop
SEA
5:35a
DCA
10:40a
5h 05m
nonstop
Depart: Wed Oct 18 2017 Return: Tue Oct 24 2017 Trip spans 7 days
Frontier
Frontier
DCA
9:20a
SEA
8:37p
11h 17m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:45p
5h 55m
nonstop
SEA
5:35a
DCA
10:40a
5h 05m
nonstop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Frontier
Frontier
DCA
9:20a
SEA
8:37p
11h 17m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Thu Oct 12 2017 Return: Tue Oct 17 2017 Trip spans 6 days
Major Airline
Major Airline
DCA
10:50a
SEA
4:49p
5h 59m
nonstop
SEA
5:35a
DCA
10:41a
5h 06m
nonstop
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
1:10p
SEA
9:58p
8h 48m
1 stop
SEA
6:20p
DCA
1:58a
7h 38m
1 stop
Depart: Tue Jun 6 2017 Return: Wed Jun 14 2017 Trip spans 9 days
United
United
DCA
7:59a
SEA
7:42p
11h 43m
1 stop
SEA
7:55p
DCA
4:13a
8h 18m
1 stop
Depart: Sat Sep 23 2017 Return: Sun Oct 1 2017 Trip spans 9 days
Delta
Delta
DCA
10:55a
SEA
8:35p
9h 40m
1 stop
SEA
6:30p
DCA
2:14a
7h 44m
1 stop
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Frontier
Frontier
DCA
9:20a
SEA
5:02p
7h 42m
1 stop
SEA
6:55a
DCA
2:50p
7h 55m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
2:59a
SEA
11:02a
8h 03m
1 stop
SEA
2:00a
DCA
11:26a
9h 26m
1 stop
Depart: Fri Aug 18 2017 Return: Sat Aug 26 2017 Trip spans 9 days
Major Airline
Major Airline
DCA
12:00a
SEA
5:50a
5h 50m
nonstop
SEA
12:00a
DCA
5:14a
5h 14m
nonstop
Depart: Tue Jul 4 2017 Return: Wed Aug 2 2017 Trip spans 30 days
United
United
DCA
12:59p
SEA
9:44p
8h 45m
1 stop
SEA
8:15p
DCA
4:15a
8h 00m
1 stop
Depart: Sat Sep 30 2017 Return: Sun Oct 1 2017 Trip spans 2 days
Delta
Delta
DCA
10:55a
SEA
8:35p
9h 40m
1 stop
SEA
6:30p
DCA
2:14a
7h 44m
1 stop
Direct flights DCA to SEA on Alaska Airlines
Flight # Depart DCA Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
1 8:00 am 10:43 am May 29 - Jun 3
1 8:00 am 10:53 am Jun 4 - Jun 13
1 8:00 am 10:50 am Jun 8 - Jun 14
1 8:00 am 10:53 am Jun 15 - Jun 26
1 8:00 am 10:50 am Jun 17 - Jun 24
1 8:00 am 10:53 am Jun 27 - Jul 9
1 8:00 am 10:50 am Jun 28 - Jun 28
3 6:50 pm 9:54 pm May 20 - Jun 3
3 6:52 pm 9:57 pm Jun 4 - Aug 26
* 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

Washington
$277
Destination

Seattle
$277
Airlines Airline reviews

21 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 8.3.

Overall
8.9
Boarding
8.6
Crew
9.1
Comfort
8.6
Food
7.4
Entertainment
7.5