Find Cheap 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: Sat Aug 26 2017 Return: Wed Aug 30 2017 Trip spans 5 days
Frontier
Frontier
DCA
12:00a
SEA
6:57p
18h 57m
1 stop
SEA
12:00a
DCA
2:40p
14h 40m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DCA
12:00a
SEA
6:57p
18h 57m
1 stop
SEA
12:00a
DCA
9:19a
9h 19m
1 stop
Depart: Sun Aug 27 2017 Return: Sat Sep 9 2017 Trip spans 14 days
United
United
DCA
12:00a
SEA
9:38a
9h 38m
1 stop
SEA
12:00a
DCA
9:21a
9h 21m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
12:00a
SEA
8:42a
8h 42m
1 stop
SEA
12:00a
DCA
9:19a
9h 19m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 4 2017 Trip spans 6 days
Sun Country Air
Sun Country Air
DCA
12:00a
SEA
7:55a
7h 55m
1 stop
SEA
12:00a
DCA
12:25a
24h 25m
1 stop
Depart: Fri Sep 1 2017 Return: Fri Sep 8 2017 Trip spans 8 days
Delta
Delta
DCA
12:00a
SEA
8:00a
8h 00m
1 stop
SEA
12:00a
DCA
7:46a
7h 46m
1 stop
Depart: Sun Aug 27 2017 Return: Sat Sep 2 2017 Trip spans 7 days
Frontier
Frontier
DCA
12:00a
SEA
11:42p
23h 42m
1 stop
SEA
12:00a
DCA
2:40p
14h 40m
1 stop
Depart: Mon Aug 28 2017 Return: Thu Sep 7 2017 Trip spans 11 days
Frontier
Frontier
DCA
12:00a
SEA
6:57p
18h 57m
1 stop
SEA
12:00a
DCA
2:14p
14h 14m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Sep 7 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
DCA
12:00a
SEA
4:50p
16h 50m
1 stop
SEA
12:00a
DCA
2:14p
14h 14m
1 stop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
Frontier
Frontier
DCA
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
DCA
2:40p
14h 40m
1 stop
Depart: Wed Aug 30 2017 Return: Sat Sep 9 2017 Trip spans 11 days
United
United
DCA
12:00a
SEA
9:23a
9h 23m
1 stop
SEA
12:00a
DCA
9:21a
9h 21m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Sep 5 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
DCA
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
DCA
8:13a
8h 13m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
12:00a
SEA
9:22a
9h 22m
1 stop
SEA
12:00a
DCA
7:44a
7h 44m
1 stop
Depart: Sun Aug 20 2017 Return: Tue Aug 22 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
DCA
12:00a
SEA
8:01a
8h 01m
1 stop
SEA
12:00a
DCA
5:16a
5h 16m
nonstop
Depart: Tue Aug 29 2017 Return: Fri Sep 8 2017 Trip spans 11 days
Frontier
Frontier
DCA
12:00a
SEA
1:45p
13h 45m
1 stop
SEA
12:00a
DCA
12:10a
24h 10m
1 stop
Depart: Wed Aug 30 2017 Return: Thu Aug 31 2017 Trip spans 2 days
United
United
DCA
12:00a
SEA
8:55a
8h 55m
1 stop
SEA
12:00a
DCA
6:57a
6h 57m
1 stop
Depart: Fri Aug 25 2017 Return: Tue Aug 29 2017 Trip spans 5 days
American Airlines
American Airlines
DCA
12:00a
SEA
9:22a
9h 22m
1 stop
SEA
12:00a
DCA
9:19a
9h 19m
1 stop
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
DCA
12:00a
SEA
8:42a
8h 42m
1 stop
SEA
12:00a
DCA
6:49a
6h 49m
1 stop
Depart: Thu Aug 24 2017 Return: Thu Aug 31 2017 Trip spans 8 days
United
United
DCA
12:00a
SEA
10:41a
10h 41m
1 stop
SEA
12:00a
DCA
6:57a
6h 57m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 11 2017 Trip spans 13 days
American Airlines
American Airlines
DCA
12:00a
SEA
8:57a
8h 57m
1 stop
SEA
12:00a
DCA
6:49a
6h 49m
1 stop
Direct flights WAS to SEA on United
Flight # Depart IAD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
389 8:15 am 11:03 am Sep 5 - Sep 5
389 8:15 am 11:03 am Sep 3 - Sep 3
389 8:15 am 11:03 am Sep 1 - Sep 4
389 8:15 am 11:03 am Aug 22 - Aug 30
389 8:15 am 11:03 am Aug 24 - Aug 31
389 8:24 am 11:06 am Sep 16 - Sep 30
389 8:24 am 11:06 am Sep 9 - Sep 9
389 8:30 am 11:18 am Aug 26 - Aug 26
389 8:30 am 11:12 am Sep 8 - Sep 8
389 8:30 am 11:12 am Sep 7 - Sep 7
389 8:30 am 11:12 am Sep 6 - Sep 6
389 8:30 am 11:18 am Sep 2 - Sep 2
389 8:35 am 11:17 am Sep 10 - Sep 10
389 8:35 am 11:17 am Sep 11 - Sep 21
389 8:35 am 11:17 am Sep 12 - Sep 27
389 8:35 am 11:17 am Sep 17 - Sep 17
389 8:35 am 11:17 am Sep 22 - Sep 24
389 8:35 am 11:17 am Sep 25 - Oct 2
357 12:35 pm 3:16 pm Sep 17 - Oct 22
357 12:44 pm 3:25 pm Sep 7 - Sep 7
357 12:45 pm 3:26 pm Sep 10 - Sep 10
357 12:47 pm 3:28 pm Sep 6 - Sep 13
357 12:47 pm 3:28 pm Sep 14 - Oct 4
1769 4:05 pm 6:49 pm Aug 16 - Sep 1
1769 4:05 pm 6:49 pm Sep 5 - Sep 5
1769 4:30 pm 7:14 pm Sep 3 - Sep 4
1769 4:30 pm 7:14 pm Aug 19 - Sep 2
326 5:18 pm 8:05 pm Sep 9 - Sep 9
326 5:18 pm 8:05 pm Sep 23 - Sep 30
326 5:18 pm 8:05 pm Sep 16 - Sep 16
326 5:33 pm 8:20 pm Sep 8 - Sep 14
326 5:33 pm 8:20 pm Sep 10 - Sep 17
326 5:33 pm 8:20 pm Sep 6 - Sep 13
326 5:33 pm 8:20 pm Sep 22 - Sep 22
326 5:33 pm 8:20 pm Sep 24 - Oct 1
326 5:33 pm 8:20 pm Sep 19 - Sep 20
326 5:33 pm 8:20 pm Sep 18 - Sep 18
326 5:33 pm 8:20 pm Sep 21 - Sep 25
326 6:30 pm 9:18 pm Sep 3 - Sep 3
326 6:30 pm 9:18 pm Aug 25 - Sep 2
326 6:30 pm 9:18 pm Sep 4 - Sep 4
326 6:30 pm 9:18 pm Aug 20 - Aug 27
326 6:30 pm 9:18 pm Sep 5 - Sep 5
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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.

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Airports
Origin

Washington
$258
Destination

Seattle
$258
Airlines Airline reviews

24 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 8.2.

Overall
8.5
Boarding
8.2
Crew
8.7
Comfort
8.1
Food
7.1
Entertainment
7.2