Find Cheap Flights from Washington Dulles Intl to Seattle/Tacoma Intl (IAD - 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 Dulles Intl to Seattle/Tacoma Intl

(Round-trip)
Depart: Sun Aug 27 2017 Return: Wed Aug 30 2017 Trip spans 4 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:33a
7h 33m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Sep 27 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
6:10a
6h 10m
nonstop
SEA
12:00a
IAD
5:15a
5h 15m
nonstop
Depart: Tue Sep 26 2017 Return: Thu Sep 28 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
8:19a
8h 19m
1 stop
Depart: Sat Oct 7 2017 Return: Wed Oct 18 2017 Trip spans 12 days
United
United
IAD
12:00a
SEA
8:15a
8h 15m
1 stop
SEA
12:00a
IAD
5:01a
5h 01m
nonstop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:33a
7h 33m
1 stop
Depart: Mon Sep 11 2017 Return: Sat Sep 16 2017 Trip spans 6 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Tue Sep 12 2017 Return: Tue Sep 26 2017 Trip spans 15 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:11a
7h 11m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
10:02a
10h 02m
1 stop
SEA
12:00a
IAD
11:12a
11h 12m
1 stop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
5:57a
5h 57m
nonstop
SEA
12:00a
IAD
4:56a
4h 56m
nonstop
Depart: Mon Sep 18 2017 Return: Sat Sep 23 2017 Trip spans 6 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Fri Oct 13 2017 Return: Mon Oct 16 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
3:42p
15h 42m
1 stop
SEA
12:00a
IAD
7:31a
7h 31m
1 stop
Depart: Tue Sep 19 2017 Return: Wed Sep 27 2017 Trip spans 9 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Wed Oct 25 2017 Return: Sat Oct 28 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
5:41a
5h 41m
nonstop
SEA
12:00a
IAD
5:15a
5h 15m
nonstop
Depart: Tue Sep 19 2017 Return: Wed Sep 27 2017 Trip spans 9 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Wed Nov 1 2017 Return: Sat Nov 4 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
5:51a
5h 51m
nonstop
SEA
12:00a
IAD
5:15a
5h 15m
nonstop
Depart: Fri Sep 22 2017 Return: Sat Sep 30 2017 Trip spans 9 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
5:57a
5h 57m
nonstop
SEA
12:00a
IAD
4:49a
4h 49m
nonstop
Depart: Mon Sep 25 2017 Return: Tue Oct 3 2017 Trip spans 9 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:11a
7h 11m
1 stop
Depart: Mon Sep 11 2017 Return: Sat Sep 16 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:10a
6h 10m
nonstop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Depart: Tue Sep 26 2017 Return: Sat Sep 30 2017 Trip spans 5 days
Frontier
Frontier
IAD
12:00a
SEA
6:17p
18h 17m
1 stop
SEA
12:00a
IAD
7:41a
7h 41m
1 stop
Direct flights IAD 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 3 - Sep 3
389 8:15 am 11:03 am Aug 22 - Aug 30
389 8:15 am 11:03 am Sep 5 - Sep 5
389 8:15 am 11:03 am Sep 1 - Sep 4
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 11:18 am Sep 2 - Sep 2
389 8:30 am 11:12 am Sep 8 - Sep 8
389 8:30 am 11:12 am Sep 6 - Sep 6
389 8:30 am 11:12 am Sep 7 - Sep 7
389 8:35 am 11:17 am Sep 12 - Sep 27
389 8:35 am 11:17 am Sep 22 - Sep 24
389 8:35 am 11:17 am Sep 10 - Sep 10
389 8:35 am 11:17 am Sep 17 - Sep 17
389 8:35 am 11:17 am Sep 11 - Sep 21
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 14 - Oct 4
357 12:47 pm 3:28 pm Sep 6 - Sep 13
1769 4:05 pm 6:49 pm Sep 5 - Sep 5
1769 4:05 pm 6:49 pm Aug 16 - Sep 1
1769 4:30 pm 7:14 pm Aug 19 - Sep 2
1769 4:30 pm 7:14 pm Sep 3 - Sep 4
326 5:18 pm 8:05 pm Sep 23 - Sep 30
326 5:18 pm 8:05 pm Sep 16 - Sep 16
326 5:18 pm 8:05 pm Sep 9 - Sep 9
326 5:33 pm 8:20 pm Sep 8 - Sep 14
326 5:33 pm 8:20 pm Sep 6 - Sep 13
326 5:33 pm 8:20 pm Sep 21 - Sep 25
326 5:33 pm 8:20 pm Sep 10 - Sep 17
326 5:33 pm 8:20 pm Sep 18 - Sep 18
326 5:33 pm 8:20 pm Sep 24 - Oct 1
326 5:33 pm 8:20 pm Sep 22 - Sep 22
326 5:33 pm 8:20 pm Sep 19 - Sep 20
326 6:30 pm 9:18 pm Sep 4 - Sep 4
326 6:30 pm 9:18 pm Aug 25 - Sep 2
326 6:30 pm 9:18 pm Aug 20 - Aug 27
326 6:30 pm 9:18 pm Aug 16 - Aug 24
326 6:30 pm 9:18 pm Sep 5 - Sep 5
326 6:30 pm 9:18 pm Sep 3 - Sep 3
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$238
Destination

Seattle
$238
Airlines Airline reviews

102 travelers who booked a flight from Washington to Seattle rated their chosen airlines with an average of 7.3.

Overall
7.5
Boarding
7.8
Crew
7.9
Comfort
7.2
Food
6.6
Entertainment
6.3