Find Deals on 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: Tue Oct 18 2016 Return: Fri Oct 21 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
3:00a
IAD
8:35p
17h 35m
1 stop
IAD
2:00a
SEA
1:50p
11h 50m
1 stop
Depart: Sat Oct 22 2016 Return: Sat Oct 29 2016 Trip spans 8 days
Frontier
Frontier
SEA
7:25a
IAD
10:17p
14h 52m
1 stop
IAD
2:55a
SEA
3:12p
12h 17m
1 stop
Depart: Mon Nov 14 2016 Return: Tue Nov 15 2016 Trip spans 2 days
United
United
SEA
5:30p
IAD
10:20p
4h 50m
nonstop
IAD
3:40a
SEA
1:17p
9h 37m
2 stops
Depart: Mon Nov 7 2016 Return: Fri Nov 11 2016 Trip spans 5 days
JetBlue
JetBlue
SEA
4:00p
IAD
10:16a
18h 16m
1 stop
IAD
1:45a
SEA
9:59p
20h 14m
1 stop
Depart: Wed Nov 30 2016 Return: Tue Dec 6 2016 Trip spans 7 days
American Airlines
American Airlines
SEA
5:35p
IAD
2:16a
8h 41m
1 stop
IAD
4:19a
SEA
12:27p
8h 08m
1 stop
Depart: Sat Jan 21 2017 Return: Sat Jan 28 2017 Trip spans 8 days
Delta
Delta
SEA
8:30a
IAD
3:43p
7h 13m
1 stop
IAD
12:10p
SEA
7:51p
7h 41m
1 stop
Depart: Thu Nov 17 2016 Return: Sat Nov 19 2016 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
5:00a
IAD
9:52a
4h 52m
nonstop
IAD
2:00p
SEA
8:00p
6h 00m
nonstop
Depart: Thu Oct 6 2016 Return: Wed Oct 19 2016 Trip spans 14 days
Virgin America
Virgin America
SEA
5:55a
IAD
3:45p
9h 50m
1 stop
IAD
5:00a
SEA
7:30p
14h 30m
1 stop
Depart: Thu Oct 27 2016 Return: Tue Nov 29 2016 Trip spans 34 days
Major Airline
Major Airline
SEA
9:35a
IAD
7:00p
9h 25m
1 stop
IAD
11:00p
SEA
10:20a
11h 20m
1 stop
Depart: Fri Dec 2 2016 Return: Mon Dec 5 2016 Trip spans 4 days
Major Airline
Major Airline
SEA
11:55p
IAD
9:50a
9h 55m
1 stop
IAD
11:50p
SEA
9:35a
9h 45m
1 stop
Depart: Thu Feb 9 2017 Return: Fri Feb 10 2017 Trip spans 2 days
United
United
SEA
6:45p
IAD
6:24a
11h 39m
1 stop
IAD
12:50p
SEA
6:25p
5h 35m
nonstop
Depart: Thu Oct 13 2016 Return: Tue Oct 25 2016 Trip spans 13 days
Frontier
Frontier
SEA
1:10p
IAD
10:17p
9h 07m
1 stop
IAD
2:55a
SEA
3:12p
12h 17m
1 stop
Depart: Thu Nov 3 2016 Return: Tue Nov 29 2016 Trip spans 27 days
Major Airline
Major Airline
SEA
11:00p
IAD
6:35a
7h 35m
1 stop
IAD
11:00p
SEA
10:20a
11h 20m
1 stop
Depart: Fri Nov 11 2016 Return: Tue Nov 15 2016 Trip spans 5 days
JetBlue
JetBlue
SEA
4:00p
IAD
1:24a
9h 24m
1 stop
IAD
1:45a
SEA
9:59p
20h 14m
1 stop
Depart: Wed Oct 26 2016 Return: Sat Oct 29 2016 Trip spans 4 days
American Airlines
American Airlines
SEA
6:08a
IAD
3:53p
9h 45m
1 stop
IAD
3:00a
SEA
11:27a
8h 27m
1 stop
Depart: Fri Oct 14 2016 Return: Sat Oct 22 2016 Trip spans 9 days
Frontier
Frontier
SEA
1:10p
IAD
10:17p
9h 07m
1 stop
IAD
2:55a
SEA
3:12p
12h 17m
1 stop
Depart: Tue Nov 8 2016 Return: Tue Nov 29 2016 Trip spans 22 days
Major Airline
Major Airline
SEA
9:35a
IAD
5:00p
7h 25m
1 stop
IAD
11:00p
SEA
10:20a
11h 20m
1 stop
Depart: Mon Oct 17 2016 Return: Thu Oct 20 2016 Trip spans 4 days
JetBlue
JetBlue
SEA
7:15p
IAD
3:27a
8h 12m
1 stop
IAD
2:35a
SEA
11:55a
9h 20m
1 stop
Depart: Thu Oct 20 2016 Return: Tue Oct 25 2016 Trip spans 6 days
Delta
Delta
SEA
7:30a
IAD
4:27p
8h 57m
1 stop
IAD
1:18p
SEA
8:24p
7h 06m
1 stop
Depart: Sun Dec 25 2016 Return: Sat Jan 7 2017 Trip spans 14 days
Alaska Airlines
Alaska Airlines
SEA
5:00a
IAD
9:54a
4h 54m
nonstop
IAD
2:00p
SEA
7:55p
5h 55m
nonstop
Direct flights SEA to IAD on United
Flight # Depart SEA Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
419 7:15 am 3:22 pm Oct 19 - Oct 26
419 7:15 am 3:20 pm Oct 12 - Oct 12
419 7:50 am 3:52 pm Oct 27 - Oct 28
419 7:50 am 3:50 pm Oct 29 - Oct 29
419 7:50 am 3:52 pm Oct 6 - Oct 23
419 7:50 am 3:50 pm Oct 8 - Oct 22
419 7:50 am 3:52 pm Oct 25 - Oct 25
419 7:52 am 3:54 pm Nov 7 - Nov 17
419 7:52 am 3:54 pm Nov 8 - Nov 8
419 7:52 am 3:52 pm Nov 6 - Nov 20
419 7:52 am 3:54 pm Nov 2 - Nov 4
419 7:52 am 3:54 pm Nov 1 - Nov 1
419 7:52 am 3:52 pm Oct 30 - Nov 5
419 7:53 am 3:55 pm Oct 31 - Oct 31
419 7:53 am 3:55 pm Oct 10 - Oct 24
260 12:55 pm 9:02 pm Oct 20 - Oct 20
260 12:55 pm 9:02 pm Oct 10 - Oct 17
260 12:55 pm 9:02 pm Oct 28 - Oct 28
260 12:55 pm 9:02 pm Oct 27 - Oct 27
260 12:55 pm 9:02 pm Oct 21 - Oct 21
260 12:55 pm 9:02 pm Oct 8 - Oct 15
260 12:55 pm 9:02 pm Oct 9 - Oct 11
260 12:55 pm 9:02 pm Oct 22 - Oct 22
260 12:55 pm 9:02 pm Oct 16 - Oct 16
260 12:55 pm 9:02 pm Oct 13 - Oct 13
260 12:55 pm 9:02 pm Oct 14 - Oct 19
260 12:55 pm 9:02 pm Oct 24 - Oct 29
260 12:55 pm 9:02 pm Oct 18 - Oct 25
260 1:05 pm 8:52 pm Nov 1 - Nov 1
260 1:05 pm 8:52 pm Nov 4 - Nov 4
260 1:05 pm 8:52 pm Nov 7 - Nov 14
260 1:05 pm 8:52 pm Nov 6 - Nov 13
260 1:05 pm 8:52 pm Nov 8 - Nov 16
260 1:05 pm 8:52 pm Oct 30 - Oct 30
260 1:05 pm 8:52 pm Oct 31 - Oct 31
260 1:05 pm 8:52 pm Nov 2 - Nov 2
260 1:05 pm 8:52 pm Nov 3 - Nov 3
260 1:05 pm 8:52 pm Nov 5 - Nov 5
1868 10:30 pm 6:24 am Oct 6 - Oct 19
1868 10:30 pm 6:24 am Oct 20 - Oct 20
1868 10:30 pm 6:24 am Oct 21 - Oct 28
1868 10:30 pm 6:20 am Nov 7 - Nov 14
554 10:30 pm 6:20 am Nov 1 - Nov 4
866 10:30 pm 6:20 am Nov 8 - Nov 18
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Airports
Origin

Seattle
$284
Destination

Washington
$284
Airlines Airline reviews

47 travelers who booked a flight from Seattle to Washington rated their chosen airlines with an average of 6.8.

Overall
7.1
Boarding
7.3
Crew
7.4
Comfort
6.5
Food
6.2
Entertainment
6.3