Find Cheap Flights from Baltimore/Washington to Seattle

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 Baltimore/Washington to Seattle

(Round-trip)
Depart: Wed Nov 8 2017 Return: Sat Nov 11 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
BWI
2:15p
SEA
8:10p
5h 55m
nonstop
SEA
4:55a
BWI
9:50a
4h 55m
nonstop
Depart: Fri Nov 3 2017 Return: Sun Nov 5 2017 Trip spans 3 days
Major Airline
Major Airline
BWI
11:30a
SEA
5:15p
5h 45m
nonstop
SEA
1:30p
BWI
6:36p
5h 06m
nonstop
Depart: Tue Aug 22 2017 Return: Wed Aug 23 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:29p
BWI
11:38p
5h 09m
nonstop
Depart: Mon Nov 20 2017 Return: Thu Nov 23 2017 Trip spans 4 days
United
United
BWI
12:11p
SEA
8:03p
7h 52m
1 stop
SEA
5:27a
BWI
12:45p
7h 18m
1 stop
Depart: Tue Nov 14 2017 Return: Sun Nov 19 2017 Trip spans 6 days
Delta
Delta
BWI
1:00a
SEA
11:34a
10h 34m
1 stop
SEA
5:30p
BWI
1:18a
7h 48m
1 stop
Depart: Tue Nov 28 2017 Return: Fri Dec 1 2017 Trip spans 4 days
JetBlue
JetBlue
BWI
9:25a
SEA
10:00a
24h 35m
1 stop
SEA
5:50p
BWI
5:48a
11h 58m
1 stop
Depart: Tue Jul 11 2017 Return: Sun Jul 16 2017 Trip spans 6 days
American Airlines
American Airlines
BWI
12:30p
SEA
11:11p
10h 41m
1 stop
SEA
9:26p
BWI
6:45a
9h 19m
1 stop
Depart: Sat Nov 4 2017 Return: Sun Nov 5 2017 Trip spans 2 days
Major Airline
Major Airline
BWI
11:30a
SEA
5:15p
5h 45m
nonstop
SEA
11:55p
BWI
4:50a
4h 55m
nonstop
Depart: Wed Aug 23 2017 Return: Thu Aug 24 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:29p
BWI
11:38p
5h 09m
nonstop
Depart: Sun Oct 29 2017 Return: Wed Nov 1 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
BWI
3:15p
SEA
9:07p
5h 52m
nonstop
SEA
5:55a
BWI
11:13a
5h 18m
nonstop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:29p
BWI
11:38p
5h 09m
nonstop
Depart: Fri Aug 25 2017 Return: Sat Sep 2 2017 Trip spans 9 days
Major Airline
Major Airline
BWI
11:39p
SEA
5:19a
5h 40m
nonstop
SEA
2:29p
BWI
7:38p
5h 09m
nonstop
Depart: Fri Oct 20 2017 Return: Mon Oct 30 2017 Trip spans 11 days
United
United
BWI
12:51p
SEA
9:57p
9h 06m
1 stop
SEA
9:45a
BWI
4:43p
6h 58m
1 stop
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:29p
BWI
11:38p
5h 09m
nonstop
Depart: Fri Sep 15 2017 Return: Tue Sep 19 2017 Trip spans 5 days
Major Airline
Major Airline
BWI
11:30a
SEA
5:15p
5h 45m
nonstop
SEA
1:55a
BWI
7:05a
5h 10m
nonstop
Depart: Thu Dec 14 2017 Return: Tue Jan 9 2018 Trip spans 27 days
United
United
BWI
1:00a
SEA
10:22a
9h 22m
1 stop
SEA
5:30p
BWI
1:22a
7h 52m
1 stop
Depart: Wed Nov 15 2017 Return: Sun Nov 19 2017 Trip spans 5 days
Delta
Delta
BWI
7:30a
SEA
5:54p
10h 24m
1 stop
SEA
5:30p
BWI
2:36a
9h 06m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Aug 29 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:29p
BWI
11:38p
5h 09m
nonstop
Depart: Wed Aug 16 2017 Return: Mon Aug 28 2017 Trip spans 13 days
Major Airline
Major Airline
BWI
11:39p
SEA
5:19a
5h 40m
nonstop
SEA
1:55a
BWI
7:05a
5h 10m
nonstop
Depart: Thu Nov 23 2017 Return: Fri Nov 24 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
BWI
2:15p
SEA
8:10p
5h 55m
nonstop
SEA
4:55a
BWI
9:50a
4h 55m
nonstop
* 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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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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

Baltimore
$267
Destination

Seattle
$267
Airlines Airline reviews

52 travelers who booked a flight from Baltimore to Seattle rated their chosen airlines with an average of 6.9.

Overall
7.1
Boarding
7.0
Crew
7.9
Comfort
6.8
Food
6.0
Entertainment
5.4