Find Deals on Flights from Seattle to Washington Dulles Intl

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 to Washington Dulles Intl

(Round-trip)
Depart: Mon Apr 24 2017 Return: Fri Apr 28 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
2:26p
IAD
10:24p
7h 58m
1 stop
IAD
6:35a
SEA
5:46p
11h 11m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
6:20p
IAD
1:48a
7h 28m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Delta
Delta
SEA
8:45p
IAD
5:16a
8h 31m
1 stop
IAD
1:00p
SEA
8:32p
7h 32m
1 stop
Depart: Mon May 1 2017 Return: Tue May 2 2017 Trip spans 2 days
Frontier
Frontier
SEA
5:57a
IAD
10:19p
16h 22m
1 stop
IAD
2:55p
SEA
9:15a
18h 20m
1 stop
Depart: Tue Sep 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
JetBlue
JetBlue
SEA
6:19p
IAD
7:00a
12h 41m
1 stop
IAD
6:43a
SEA
8:09p
13h 26m
1 stop
Depart: Fri Sep 15 2017 Return: Sun Sep 17 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
4:20a
IAD
9:20a
5h 00m
nonstop
IAD
1:30p
SEA
7:25p
5h 55m
nonstop
Depart: Sun Apr 30 2017 Return: Sun May 7 2017 Trip spans 8 days
United
United
SEA
6:40p
IAD
11:34p
4h 54m
nonstop
IAD
4:35a
SEA
10:19a
5h 44m
nonstop
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
12:20a
IAD
5:24a
5h 04m
nonstop
IAD
9:20a
SEA
3:28p
6h 08m
nonstop
Depart: Sat Jun 3 2017 Return: Sat Jun 10 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
12:20a
IAD
5:24a
5h 04m
nonstop
IAD
9:20a
SEA
3:28p
6h 08m
nonstop
Depart: Mon Apr 10 2017 Return: Wed Apr 12 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
8:15p
IAD
3:58a
7h 43m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
Delta
Delta
SEA
9:15a
IAD
4:08p
6h 53m
1 stop
IAD
2:10a
SEA
9:42a
7h 32m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
Frontier
Frontier
SEA
2:24p
IAD
10:15p
7h 51m
1 stop
IAD
2:55p
SEA
9:15a
18h 20m
1 stop
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
12:10a
IAD
5:17a
5h 07m
nonstop
IAD
9:20a
SEA
3:28p
6h 08m
nonstop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
8:15p
IAD
3:58a
7h 43m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Sun May 7 2017 Return: Mon May 8 2017 Trip spans 2 days
Frontier
Frontier
SEA
2:45p
IAD
10:15p
7h 30m
1 stop
IAD
2:55p
SEA
9:15a
18h 20m
1 stop
Depart: Wed Aug 30 2017 Return: Sun Sep 3 2017 Trip spans 5 days
JetBlue
JetBlue
SEA
3:00a
IAD
11:08a
8h 08m
1 stop
IAD
2:25a
SEA
11:32a
9h 07m
1 stop
Depart: Fri May 5 2017 Return: Sun May 7 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
1:50a
IAD
11:49a
9h 59m
1 stop
IAD
1:00a
SEA
11:57a
10h 57m
1 stop
Depart: Tue Apr 18 2017 Return: Sat Apr 22 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
8:15p
IAD
3:58a
7h 43m
1 stop
IAD
1:05a
SEA
9:03a
7h 58m
1 stop
Depart: Sun May 14 2017 Return: Tue May 16 2017 Trip spans 3 days
Frontier
Frontier
SEA
2:45p
IAD
10:15p
7h 30m
1 stop
IAD
2:55p
SEA
9:15a
18h 20m
1 stop
Depart: Fri Sep 22 2017 Return: Mon Sep 25 2017 Trip spans 4 days
Delta
Delta
SEA
9:15a
IAD
4:08p
6h 53m
1 stop
IAD
3:30a
SEA
11:20a
7h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
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

Seattle
$270
Destination

Washington
$270
Airlines Airline reviews

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

Overall
7.5
Boarding
7.8
Crew
7.8
Comfort
6.8
Food
6.1
Entertainment
6.3