Javascript is disabled in your browser.
KAYAK requires JavaScript to be enabled in order for our site to work. Please check your browser settings to ensure it is enabled.

Washington - Seattle/Tacoma Intl

Departure:
Washington (WAS) United States

Destination:
Seattle/Tacoma Intl (SEA) United States

Return flight deals:
Seattle/Tacoma Intl - Washington

Flights »
United States »
Washington:

Washington Dulles Intl $257
Washington Reagan-National $258

Flights »
Worldwide »
North America »
United States »
Seattle »
Seattle/Tacoma Intl:

Seattle/Tacoma Intl $257

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

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

Book cheap flights from Washington to Seattle/Tacoma Intl

(Round-trip)

Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days

$255

Select

American Airlines

DCA

2:55a

→

SEA

12:32p

9h 37m

1 stop

SEA

6:10p

→

DCA

2:32a

8h 22m

1 stop

Depart: Wed Mar 18 2015 Return: Wed Apr 8 2015 Trip spans 22 days

$257

Select

American Airlines

IAD

1:25a

→

SEA

9:24a

7h 59m

1 stop

SEA

6:05p

→

IAD

1:46a

7h 41m

1 stop

Depart: Wed Mar 25 2015 Return: Wed Apr 8 2015 Trip spans 15 days

$257

Select

US Airways

IAD

1:25a

→

SEA

9:24a

7h 59m

1 stop

SEA

7:10a

→

IAD

2:09p

6h 59m

1 stop

Depart: Thu May 7 2015 Return: Mon May 11 2015 Trip spans 5 days

$257

Select

Multiple Airlines

IAD

1:20a

→

SEA

9:08a

7h 48m

1 stop

SEA

6:05p

→

IAD

1:46a

7h 41m

1 stop

Depart: Sat Mar 14 2015 Return: Tue Mar 24 2015 Trip spans 11 days

$277

Select

Alaska Airlines

IAD

2:20p

→

SEA

8:15p

5h 55m

nonstop

SEA

5:20a

→

IAD

10:20a

5h 00m

nonstop

Depart: Tue Mar 17 2015 Return: Tue Mar 24 2015 Trip spans 8 days

$277

Select

United

IAD

2:56p

→

SEA

8:52p

5h 56m

nonstop

SEA

6:35p

→

IAD

11:31p

4h 56m

nonstop

Depart: Wed Jun 3 2015 Return: Thu Jun 4 2015 Trip spans 2 days

$300

Select

Virgin America

IAD

5:00a

→

SEA

3:55p

10h 55m

1 stop

SEA

1:40p

→

IAD

12:50a

11h 10m

1 stop

Depart: Sun Apr 26 2015 Return: Wed Apr 29 2015 Trip spans 4 days

$314

Select

Delta

DCA

2:10a

→

SEA

9:32a

7h 22m

1 stop

SEA

8:50p

→

DCA

3:45a

6h 55m

1 stop

Depart: Tue Sep 1 2015 Return: Wed Sep 9 2015 Trip spans 9 days

$340

Select

Alaska Airlines

DCA

1:43a

→

SEA

9:34a

7h 51m

1 stop

SEA

4:10a

→

DCA

9:05a

4h 55m

nonstop

Depart: Sat Apr 4 2015 Return: Tue Apr 14 2015 Trip spans 11 days

$349

Select

Multiple Airlines

DCA

2:45p

→

SEA

8:45p

6h 00m

nonstop

SEA

7:20a

→

DCA

2:22p

7h 02m

1 stop

Depart: Fri Mar 27 2015 Return: Wed Apr 1 2015 Trip spans 6 days

$376

Select

JetBlue Airways

DCA

3:00a

→

SEA

11:07a

8h 07m

1 stop

SEA

7:14p

→

DCA

3:19a

8h 05m

1 stop

Depart: Sun Jun 7 2015 Return: Mon Jun 8 2015 Trip spans 2 days

$376

Select

JetBlue Airways

IAD

3:23a

→

SEA

11:41a

8h 18m

1 stop

SEA

6:50p

→

IAD

3:58a

9h 08m

1 stop

Depart: Mon Aug 10 2015 Return: Mon Aug 24 2015 Trip spans 15 days

$384

Select

Delta

IAD

3:00p

→

SEA

10:59p

7h 59m

1 stop

SEA

6:25p

→

IAD

2:12a

7h 47m

1 stop

Depart: Mon Apr 13 2015 Return: Tue Apr 14 2015 Trip spans 2 days

$389

Select

Frontier

DCA

9:30a

→

SEA

5:20p

7h 50m

1 stop

SEA

6:20a

→

DCA

2:59p

8h 39m

1 stop

Depart: Sat Mar 28 2015 Return: Thu Apr 23 2015 Trip spans 27 days

$437

Select

United

DCA

3:45a

→

SEA

8:44p

16h 59m

1 stop

SEA

5:10p

→

DCA

12:53a

7h 43m

1 stop

Depart: Fri Aug 14 2015 Return: Tue Sep 1 2015 Trip spans 19 days

$454

Select

Virgin America

DCA

1:05p

→

SEA

9:40p

8h 35m

1 stop

SEA

3:05a

→

DCA

2:30p

11h 25m

2 stops

Depart: Sun Mar 29 2015 Return: Tue Mar 31 2015 Trip spans 3 days

$472

Select

US Airways

DCA

1:35a

→

SEA

9:05a

7h 30m

1 stop

SEA

1:00a

→

DCA

9:02a

8h 02m

1 stop

Depart: Thu Jun 25 2015 Return: Mon Jun 29 2015 Trip spans 5 days

$540

Select

Sun Country Air

DCA

6:00p

→

SEA

8:35a

14h 35m

1 stop

SEA

7:55p

→

DCA

3:20a

7h 25m

1 stop

Change your search

Select an airline:

Direct flights WAS to SEA on Delta

Flight #	Depart DCA	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
9218	8:00 am	10:50 am	✈	✈	✈	✈	✈	✈	✈	Mar 8 - Apr 4
9218	8:00 am	10:39 am	✈	✈	✈	✈	✈	✈	✈	Apr 5 - May 2

Direct flights WAS to SEA on United

Flight #	Depart IAD	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
1186	8:15 am	11:02 am						✈		Mar 13 - Mar 20
1246	8:15 am	11:02 am						✈		Apr 3 - Apr 3
1258	8:15 am	11:02 am						✈		Mar 27 - Mar 27
1552	8:15 am	11:02 am		✈						Apr 6 - Apr 6
1646	8:15 am	11:02 am				✈				Mar 11 - Mar 11
1730	8:15 am	11:02 am					✈			Mar 26 - Apr 2
1731	8:15 am	11:02 am				✈				Mar 25 - Mar 25
1740	8:15 am	11:02 am				✈				Apr 1 - Apr 1
1740	8:15 am	11:02 am		✈						Mar 30 - Mar 30
1740	8:15 am	11:02 am			✈					Mar 31 - Mar 31
1740	8:15 am	11:02 am				✈				Mar 18 - Mar 18
1740	8:15 am	11:02 am		✈						Mar 9 - Mar 9
1740	8:15 am	11:02 am					✈			Mar 12 - Mar 12
1740	8:15 am	11:02 am			✈					Mar 17 - Mar 17
1740	8:15 am	11:02 am		✈			✈			Mar 16 - Mar 23
205	8:15 am	11:00 am			✈					Mar 10 - Mar 10
205	8:15 am	11:00 am			✈					Mar 24 - Mar 24
348	8:15 am	11:03 am	✈	✈	✈	✈	✈	✈		Apr 7 - May 5
357	12:30 pm	3:15 pm					✈			Mar 26 - Apr 2
357	12:30 pm	3:18 pm				✈				Apr 8 - Apr 8
357	12:36 pm	3:21 pm		✈	✈		✈	✈		Mar 17 - Mar 23
357	12:36 pm	3:21 pm			✈	✈				Mar 10 - Mar 11
357	12:36 pm	3:21 pm		✈				✈		Apr 3 - Apr 6
357	12:36 pm	3:21 pm		✈			✈	✈		Mar 9 - Mar 16
357	12:36 pm	3:17 pm						✈		Mar 27 - Mar 27
357	12:36 pm	3:21 pm		✈		✈				Mar 30 - Apr 1
357	12:36 pm	3:21 pm			✈	✈				Mar 18 - Mar 31
1253	5:25 pm	8:15 pm				✈				Apr 8 - Apr 15
643	5:41 pm	8:26 pm			✈					Apr 7 - Apr 7
1646	6:56 pm	9:52 pm			✈					Mar 31 - Mar 31
1646	6:56 pm	9:52 pm		✈				✈		Mar 9 - Mar 27
1646	6:56 pm	9:52 pm		✈			✈			Mar 30 - Apr 2
1646	6:56 pm	9:52 pm						✈		Apr 3 - Apr 3
1646	6:56 pm	9:52 pm					✈			Mar 12 - Mar 26
1646	6:56 pm	9:52 pm	✈							Mar 8 - Mar 15
1646	6:56 pm	9:52 pm			✈					Mar 10 - Mar 24
1740	6:56 pm	9:52 pm	✈							Mar 22 - Mar 22
1740	6:56 pm	9:52 pm	✈							Mar 29 - Mar 29
1740	6:56 pm	9:52 pm	✈							Apr 5 - Apr 5
1646	6:57 pm	9:53 pm				✈				Apr 1 - Apr 1
1646	6:57 pm	9:53 pm				✈				Mar 18 - Mar 25
1740	6:57 pm	9:53 pm				✈				Mar 11 - Mar 11
1646	7:21 pm	10:17 pm		✈						Apr 6 - Apr 6
1134	8:00 pm	10:56 pm							✈	Mar 21 - Mar 21
1417	8:00 pm	10:56 pm							✈	Apr 4 - Apr 4
1747	8:00 pm	10:56 pm							✈	Mar 14 - Mar 14
357	8:00 pm	10:54 pm							✈	Mar 28 - Mar 28

Flight #	Depart BWI	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
699	11:30 am	2:10 pm	✈	✈	✈	✈	✈	✈		Apr 8 - May 22
2650	2:40 pm	5:30 pm							✈	Mar 14 - Apr 4
1130	7:45 pm	10:35 pm			✈					Apr 7 - Apr 7
250	7:45 pm	10:35 pm	✈	✈	✈	✈	✈	✈		Mar 29 - Apr 3
250	7:45 pm	10:35 pm	✈	✈	✈	✈	✈	✈		Mar 22 - Mar 27
250	7:45 pm	10:35 pm	✈	✈	✈	✈	✈	✈		Mar 15 - Mar 20
250	7:45 pm	10:35 pm	✈	✈	✈	✈	✈	✈		Mar 8 - Mar 13
250	7:45 pm	10:35 pm	✈	✈						Apr 5 - Apr 6

Flight #	Depart DCA	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
1	8:00 am	10:50 am	✈	✈	✈	✈	✈	✈	✈	Mar 8 - Apr 4
1	8:00 am	10:39 am	✈	✈	✈	✈	✈	✈	✈	Apr 5 - May 2
3	6:45 pm	9:45 pm	✈	✈	✈	✈	✈	✈	✈	Mar 8 - Apr 4
3	6:45 pm	9:35 pm	✈	✈	✈	✈	✈	✈	✈	Apr 5 - Jun 6
Flight #	Depart BWI	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
767	5:25 pm	8:05 pm			✈	✈			✈	Apr 7 - Apr 11
767	5:25 pm	8:05 pm	✈	✈			✈	✈	✈	Mar 28 - Apr 10
767	5:25 pm	8:05 pm			✈	✈		✈		Mar 27 - Apr 1
767	5:25 pm	8:05 pm	✈			✈	✈	✈	✈	Mar 19 - Mar 26
767	5:25 pm	8:05 pm		✈	✈	✈				Mar 17 - Mar 24
767	5:25 pm	8:05 pm	✈	✈	✈	✈	✈	✈	✈	Mar 8 - Mar 16
Flight #	Depart IAD	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
729	6:20 pm	9:15 pm			✈	✈	✈	✈		Apr 7 - Apr 17
729	6:20 pm	9:15 pm			✈	✈	✈			Mar 24 - Apr 1
729	6:20 pm	9:15 pm	✈	✈			✈	✈	✈	Mar 19 - Mar 23
729	6:20 pm	9:15 pm					✈			Mar 12 - Mar 12
729	6:20 pm	9:15 pm	✈	✈	✈	✈		✈	✈	Mar 11 - Mar 18
729	6:20 pm	9:15 pm	✈	✈			✈	✈	✈	Mar 27 - Apr 6

Flight #	Depart DCA	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
6269	8:00 am	10:50 am	✈	✈	✈	✈	✈	✈	✈	Mar 8 - Apr 4
6269	8:00 am	10:39 am	✈	✈	✈	✈	✈	✈	✈	Apr 5 - May 2

Flight #	Depart IAD	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
2028	5:25 pm	8:15 pm			✈	✈				Apr 8 - Apr 15
2028	5:41 pm	8:26 pm			✈					Apr 7 - Apr 7
2028	6:56 pm	9:52 pm		✈	✈		✈	✈		Mar 23 - Apr 2
2028	6:56 pm	9:52 pm						✈		Apr 3 - Apr 3
2028	6:56 pm	9:52 pm	✈							Mar 22 - Apr 5
2028	6:56 pm	9:52 pm	✈	✈	✈		✈	✈		Mar 8 - Mar 20
2028	6:57 pm	9:53 pm				✈				Mar 11 - Mar 11
2028	6:57 pm	9:53 pm				✈				Mar 18 - Apr 1
2028	7:21 pm	10:17 pm		✈						Apr 6 - Apr 6
2028	8:00 pm	10:56 pm							✈	Mar 14 - Mar 14
2028	8:00 pm	10:56 pm							✈	Apr 4 - Apr 4
2028	8:00 pm	10:56 pm							✈	Mar 21 - Mar 21
2028	8:00 pm	10:54 pm							✈	Mar 28 - Mar 28

Airports

Origin

Washington

IAD: Washington Dulles Intl only $257

DCA: Washington Reagan-National only $255

Destination

Seattle

SEA: Seattle/Tacoma Intl $255

Airlines

Flight #	Depart IAD	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
7484	5:41 pm	8:26 pm			✈					Apr 7 - Apr 7
7484	6:56 pm	9:52 pm	✈							Mar 8 - Mar 15
7484	6:56 pm	9:52 pm	✈							Mar 22 - Apr 5
7484	6:56 pm	9:52 pm						✈		Apr 3 - Apr 3
7484	6:56 pm	9:52 pm		✈	✈		✈	✈		Mar 9 - Apr 2
7484	6:57 pm	9:53 pm				✈				Mar 11 - Mar 11
7484	6:57 pm	9:53 pm				✈				Mar 18 - Apr 1
7484	7:21 pm	10:17 pm		✈						Apr 6 - Apr 6
7484	8:00 pm	10:56 pm							✈	Mar 21 - Mar 21
7484	8:00 pm	10:54 pm							✈	Mar 28 - Mar 28
7484	8:00 pm	10:56 pm							✈	Mar 14 - Mar 14
7484	8:00 pm	10:56 pm							✈	Apr 4 - Apr 4

Flight #	Depart IAD	Arrive SEA	Sun	Mon	Tue	Wed	Thu	Fri	Sat	Valid Between
7907	5:25 pm	8:15 pm			✈	✈				Apr 8 - Apr 15
7907	5:41 pm	8:26 pm			✈					Apr 7 - Apr 7
7907	6:56 pm	9:52 pm	✈							Mar 22 - Apr 5
7907	6:56 pm	9:52 pm						✈		Apr 3 - Apr 3
7907	6:56 pm	9:52 pm	✈							Mar 8 - Mar 15
7907	6:56 pm	9:52 pm		✈	✈		✈	✈		Mar 9 - Apr 2
7907	6:57 pm	9:53 pm				✈				Mar 18 - Apr 1
7907	6:57 pm	9:53 pm				✈				Mar 11 - Mar 11
7907	7:21 pm	10:17 pm		✈						Apr 6 - Apr 6
7907	8:00 pm	10:54 pm							✈	Mar 28 - Mar 28
7907	8:00 pm	10:56 pm							✈	Apr 4 - Apr 4
7907	8:00 pm	10:56 pm							✈	Mar 21 - Mar 21
7907	8:00 pm	10:56 pm							✈	Mar 14 - Mar 14