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

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 Seattle/Tacoma Intl to Washington Dulles Intl

(Round-trip)
Depart: Wed May 31 2017 Return: Tue Jun 13 2017 Trip spans 14 days
Major Airline
Major Airline
SEA
12:20a
IAD
5:24a
5h 04m
nonstop
IAD
9:20a
SEA
3:28p
6h 08m
nonstop
Depart: Fri May 5 2017 Return: Sat May 6 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
8:14p
IAD
3:17a
7h 03m
1 stop
IAD
9:50a
SEA
7:39p
9h 49m
1 stop
Depart: Mon May 15 2017 Return: Wed May 17 2017 Trip spans 3 days
Frontier
Frontier
SEA
2:24p
IAD
10:05p
7h 41m
1 stop
IAD
2:55p
SEA
9:15a
18h 20m
1 stop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
Delta
Delta
SEA
7:35a
IAD
4:44p
9h 09m
1 stop
IAD
3:30a
SEA
11:20a
7h 50m
1 stop
Depart: Sun May 21 2017 Return: Sat May 27 2017 Trip spans 7 days
United
United
SEA
6:35p
IAD
11:30p
4h 55m
nonstop
IAD
3:40p
SEA
9:34p
5h 54m
nonstop
Depart: Tue Aug 29 2017 Return: Sun Sep 3 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SEA
4:20a
IAD
9:20a
5h 00m
nonstop
IAD
1:30p
SEA
7:25p
5h 55m
nonstop
Depart: Wed Jun 28 2017 Return: Thu Jul 6 2017 Trip spans 9 days
Virgin America
Virgin America
SEA
1:00p
IAD
11:00p
10h 00m
1 stop
IAD
5:00a
SEA
4:20p
11h 20m
1 stop
Depart: Thu Jun 8 2017 Return: Mon Jun 12 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
12:10a
IAD
5:17a
5h 07m
nonstop
IAD
9:20a
SEA
3:28p
6h 08m
nonstop
Depart: Tue Aug 8 2017 Return: Tue Aug 15 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
12:10a
IAD
5:12a
5h 02m
nonstop
IAD
9:20a
SEA
3:20p
6h 00m
nonstop
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
12:10a
IAD
5:12a
5h 02m
nonstop
IAD
9:20a
SEA
3:20p
6h 00m
nonstop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
7:05a
IAD
2:42p
7h 37m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Thu Oct 19 2017 Return: Thu Oct 26 2017 Trip spans 8 days
Delta
Delta
SEA
7:15a
IAD
4:08p
8h 53m
1 stop
IAD
3:30a
SEA
11:20a
7h 50m
1 stop
Depart: Thu Aug 17 2017 Return: Wed Aug 30 2017 Trip spans 14 days
Major Airline
Major Airline
SEA
12:10a
IAD
5:12a
5h 02m
nonstop
IAD
9:30a
SEA
3:25p
5h 55m
nonstop
Depart: Fri Aug 18 2017 Return: Mon Aug 21 2017 Trip spans 4 days
Frontier
Frontier
SEA
2:30p
IAD
10:17p
7h 47m
1 stop
IAD
2:45p
SEA
9:07a
18h 22m
1 stop
Depart: Mon May 8 2017 Return: Tue May 9 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
6:20p
IAD
1:48a
7h 28m
1 stop
IAD
1:49p
SEA
9:59p
8h 10m
1 stop
Depart: Fri Oct 20 2017 Return: Thu Oct 26 2017 Trip spans 7 days
Delta
Delta
SEA
7:15a
IAD
4:08p
8h 53m
1 stop
IAD
3:30a
SEA
11:20a
7h 50m
1 stop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
12:20a
IAD
5:20a
5h 00m
nonstop
IAD
9:30a
SEA
3:25p
5h 55m
nonstop
Depart: Fri Aug 25 2017 Return: Mon Sep 4 2017 Trip spans 11 days
Frontier
Frontier
SEA
2:30p
IAD
10:17p
7h 47m
1 stop
IAD
2:45p
SEA
9:07a
18h 22m
1 stop
Depart: Tue May 9 2017 Return: Thu May 11 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
8:14p
IAD
3:17a
7h 03m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Sat Oct 21 2017 Return: Thu Oct 26 2017 Trip spans 6 days
Delta
Delta
SEA
9:10a
IAD
4:43p
7h 33m
1 stop
IAD
3:30a
SEA
11:20a
7h 50m
1 stop
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
419 7:50 am 3:57 pm May 23 - Jun 7
419 7:50 am 3:57 pm May 5 - May 13
419 7:50 am 3:57 pm May 7 - May 7
419 7:50 am 3:57 pm May 14 - May 21
419 7:50 am 3:57 pm May 18 - May 22
260 12:15 pm 8:12 pm May 11 - May 11
260 12:30 pm 8:27 pm Jun 5 - Jun 5
260 12:30 pm 8:27 pm May 18 - Jun 2
260 12:30 pm 8:27 pm Jun 6 - Jun 7
260 12:30 pm 8:27 pm May 5 - May 17
260 12:50 pm 8:47 pm May 14 - May 14
260 12:50 pm 8:47 pm Jun 3 - Jun 4
260 12:50 pm 8:47 pm May 6 - May 13
260 12:50 pm 8:47 pm May 20 - May 27
260 12:50 pm 8:47 pm May 28 - May 28
1462 10:35 pm 6:30 am May 7 - May 18
1462 10:35 pm 6:30 am Jun 2 - Jun 2
1462 10:35 pm 6:30 am Jun 1 - Jun 6
1462 10:35 pm 6:30 am May 21 - May 31
1462 10:35 pm 6:30 am May 19 - May 19
1462 10:35 pm 6:30 am Jun 7 - Jun 7
1462 11:10 pm 7:05 am May 6 - May 20
1462 11:10 pm 7:05 am Jun 3 - Jun 3
1462 11:30 pm 7:25 am May 27 - May 27
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Seattle
$259
Destination

Washington
$259
Airlines Airline reviews

70 travelers who booked a flight from Seattle to Washington rated their chosen airlines with an average of 7.2.

Overall
7.4
Boarding
7.8
Crew
7.8
Comfort
6.8
Food
6.0
Entertainment
6.2