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: Wed Nov 1 2017 Return: Wed Nov 8 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
6:10a
6h 10m
nonstop
SEA
12:00a
IAD
4:56a
4h 56m
nonstop
Depart: Sat Nov 4 2017 Return: Wed Nov 8 2017 Trip spans 5 days
United
United
IAD
12:00a
SEA
5:53a
5h 53m
nonstop
SEA
12:00a
IAD
4:48a
4h 48m
nonstop
Depart: Wed Dec 6 2017 Return: Sat Dec 9 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:05a
6h 05m
nonstop
SEA
12:00a
IAD
5:02a
5h 02m
nonstop
Depart: Wed Jan 17 2018 Return: Wed Jan 24 2018 Trip spans 8 days
Delta
Delta
IAD
12:00a
SEA
9:29a
9h 29m
1 stop
SEA
12:00a
IAD
8:02a
8h 02m
1 stop
Depart: Mon Oct 30 2017 Return: Sat Nov 4 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
7:57p
19h 57m
1 stop
SEA
12:00a
IAD
4:48a
4h 48m
nonstop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
United
United
IAD
12:00a
SEA
5:52a
5h 52m
nonstop
SEA
12:00a
IAD
4:49a
4h 49m
nonstop
Depart: Tue Oct 31 2017 Return: Wed Nov 8 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
3:55p
15h 55m
1 stop
SEA
12:00a
IAD
6:36a
6h 36m
1 stop
Depart: Tue Apr 24 2018 Return: Tue May 1 2018 Trip spans 8 days
Delta
Delta
IAD
12:00a
SEA
9:50a
9h 50m
1 stop
SEA
12:00a
IAD
6:53a
6h 53m
1 stop
Depart: Sat Mar 3 2018 Return: Sat Mar 10 2018 Trip spans 8 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
6:15a
6h 15m
nonstop
SEA
12:00a
IAD
4:50a
4h 50m
nonstop
Depart: Wed Jan 17 2018 Return: Tue Jan 30 2018 Trip spans 14 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:37p
18h 37m
1 stop
SEA
12:00a
IAD
10:31a
10h 31m
1 stop
Depart: Mon Feb 12 2018 Return: Fri Feb 16 2018 Trip spans 5 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
6:15a
6h 15m
nonstop
SEA
12:00a
IAD
4:50a
4h 50m
nonstop
Depart: Sat Feb 3 2018 Return: Wed Feb 7 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
5:59a
5h 59m
nonstop
SEA
12:00a
IAD
4:49a
4h 49m
nonstop
Depart: Tue Apr 17 2018 Return: Mon Apr 23 2018 Trip spans 7 days
United
United
IAD
12:00a
SEA
5:31a
5h 31m
nonstop
SEA
12:00a
IAD
4:48a
4h 48m
nonstop
Depart: Tue Apr 10 2018 Return: Sun Apr 15 2018 Trip spans 6 days
Delta
Delta
IAD
12:00a
SEA
9:50a
9h 50m
1 stop
SEA
12:00a
IAD
6:41a
6h 41m
1 stop
Depart: Mon Mar 5 2018 Return: Wed Mar 7 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:15a
6h 15m
nonstop
SEA
12:00a
IAD
4:49a
4h 49m
nonstop
Depart: Fri Mar 23 2018 Return: Wed Mar 28 2018 Trip spans 6 days
United
United
IAD
12:00a
SEA
5:39a
5h 39m
nonstop
SEA
12:00a
IAD
4:48a
4h 48m
nonstop
Depart: Mon Dec 25 2017 Return: Fri Jan 12 2018 Trip spans 19 days
Alaska Airlines
Alaska Airlines
IAD
12:00a
SEA
6:05a
6h 05m
nonstop
SEA
12:00a
IAD
4:59a
4h 59m
nonstop
Depart: Sat Mar 10 2018 Return: Sat Mar 17 2018 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
6:15a
6h 15m
nonstop
SEA
12:00a
IAD
4:48a
4h 48m
nonstop
Depart: Thu Mar 15 2018 Return: Thu Mar 22 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SEA
5:55a
5h 55m
nonstop
SEA
12:00a
IAD
4:50a
4h 50m
nonstop
Depart: Mon Dec 25 2017 Return: Mon Jan 1 2018 Trip spans 8 days
United
United
IAD
12:00a
SEA
5:54a
5h 54m
nonstop
SEA
12:00a
IAD
4:55a
4h 55m
nonstop
Direct flights IAD to SEA on United
Flight # Depart IAD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
389 8:35 am 11:17 am Oct 19 - Oct 26
389 8:35 am 11:17 am Oct 20 - Oct 25
389 8:35 am 11:17 am Oct 21 - Oct 28
389 8:35 am 11:17 am Oct 27 - Oct 27
389 8:39 am 11:31 am Oct 29 - Nov 1
389 8:39 am 11:31 am Oct 30 - Oct 31
389 8:39 am 11:31 am Nov 2 - Nov 3
389 8:39 am 11:29 am Nov 4 - Nov 4
389 8:39 am 11:31 am Nov 5 - Nov 5
389 8:39 am 11:31 am Nov 6 - Nov 12
389 8:39 am 11:31 am Nov 7 - Nov 7
389 8:39 am 11:31 am Nov 10 - Nov 10
389 8:39 am 11:29 am Nov 11 - Nov 18
389 8:39 am 11:31 am Nov 13 - Nov 16
389 8:39 am 11:31 am Nov 14 - Nov 14
389 8:39 am 11:31 am Nov 15 - Nov 29
389 8:39 am 11:31 am Nov 17 - Nov 23
389 8:39 am 11:31 am Nov 21 - Nov 21
389 8:39 am 11:31 am Nov 25 - Nov 25
357 12:30 pm 3:23 pm Oct 30 - Oct 30
357 12:30 pm 3:23 pm Nov 25 - Nov 25
357 12:31 pm 3:24 pm Oct 29 - Oct 29
357 12:31 pm 3:22 pm Nov 5 - Nov 5
357 12:31 pm 3:24 pm Nov 12 - Nov 19
357 12:34 pm 3:27 pm Oct 31 - Oct 31
357 12:34 pm 3:25 pm Nov 1 - Nov 3
357 12:34 pm 3:25 pm Nov 6 - Nov 17
357 12:34 pm 3:27 pm Nov 7 - Nov 21
357 12:34 pm 3:27 pm Nov 20 - Nov 20
357 12:34 pm 3:25 pm Nov 22 - Nov 27
357 12:35 pm 3:16 pm Oct 25 - Oct 27
326 5:23 pm 8:10 pm Oct 17 - Oct 27
326 6:30 pm 9:23 pm Oct 29 - Oct 29
326 6:30 pm 9:23 pm Oct 30 - Oct 30
326 6:30 pm 9:23 pm Oct 31 - Oct 31
326 6:40 pm 9:33 pm Nov 4 - Nov 4
326 6:40 pm 9:33 pm Nov 5 - Nov 10
326 6:40 pm 9:33 pm Nov 6 - Nov 16
326 6:40 pm 9:33 pm Nov 7 - Nov 14
326 6:40 pm 9:33 pm Nov 8 - Nov 22
326 6:40 pm 9:33 pm Nov 11 - Nov 18
326 6:40 pm 9:33 pm Nov 12 - Nov 19
326 6:40 pm 9:33 pm Nov 17 - Nov 17
326 6:40 pm 9:33 pm Nov 21 - Nov 21
326 6:40 pm 9:33 pm Nov 20 - Nov 20
326 6:40 pm 9:33 pm Nov 24 - Nov 24
326 6:40 pm 9:33 pm Nov 1 - Nov 1
326 6:40 pm 9:33 pm Nov 2 - Nov 3
326 7:25 pm 10:18 pm Nov 25 - Nov 25
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$197
Destination

Seattle
$197
Airlines Airline reviews

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

Overall
7.5
Boarding
7.7
Crew
8.0
Comfort
7.3
Food
6.7
Entertainment
6.3