Find Deals on 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
Students
under 26
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: Tue Feb 14 2017 Return: Wed Feb 22 2017 Trip spans 9 days
Major Airline
Major Airline
BWI
9:25p
SEA
7:30a
10h 05m
1 stop
SEA
3:02a
BWI
6:41p
15h 39m
1 stop
Depart: Wed May 31 2017 Return: Tue Jun 6 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
BWI
3:20a
SEA
9:15a
5h 55m
nonstop
SEA
6:50p
BWI
11:45p
4h 55m
nonstop
Depart: Tue Feb 7 2017 Return: Thu Feb 9 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
BWI
12:35p
SEA
6:40p
6h 05m
nonstop
SEA
3:35a
BWI
8:28a
4h 53m
nonstop
Depart: Sat Feb 4 2017 Return: Thu Feb 9 2017 Trip spans 6 days
JetBlue
JetBlue
BWI
3:44a
SEA
8:21p
16h 37m
1 stop
SEA
7:13a
BWI
2:49p
7h 36m
1 stop
Depart: Sat Mar 4 2017 Return: Tue Mar 7 2017 Trip spans 4 days
Delta
Delta
BWI
11:36a
SEA
8:20p
8h 44m
1 stop
SEA
5:50p
BWI
1:20a
7h 30m
1 stop
Depart: Thu Feb 16 2017 Return: Tue Feb 21 2017 Trip spans 6 days
United
United
BWI
12:50a
SEA
10:30a
9h 40m
1 stop
SEA
7:47a
BWI
3:14p
7h 27m
1 stop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
American Airlines
American Airlines
BWI
11:07a
SEA
9:53p
10h 46m
1 stop
SEA
7:59p
BWI
4:41a
8h 42m
1 stop
Depart: Wed Feb 15 2017 Return: Mon Feb 27 2017 Trip spans 13 days
Major Airline
Major Airline
BWI
5:00a
SEA
3:21p
10h 21m
1 stop
SEA
1:49p
BWI
5:22a
15h 33m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
Major Airline
Major Airline
BWI
11:20p
SEA
5:15a
5h 55m
nonstop
SEA
2:50p
BWI
7:45p
4h 55m
nonstop
Depart: Thu Jun 1 2017 Return: Tue Jun 6 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
BWI
3:20a
SEA
9:15a
5h 55m
nonstop
SEA
6:50p
BWI
11:45p
4h 55m
nonstop
Depart: Thu Feb 9 2017 Return: Tue Feb 14 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
BWI
12:35p
SEA
6:40p
6h 05m
nonstop
SEA
3:35a
BWI
8:28a
4h 53m
nonstop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
3:20a
SEA
9:15a
5h 55m
nonstop
SEA
6:50p
BWI
11:45p
4h 55m
nonstop
Depart: Sat Jan 28 2017 Return: Tue Jan 31 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
BWI
12:35p
SEA
6:38p
6h 03m
nonstop
SEA
3:35a
BWI
8:28a
4h 53m
nonstop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
United
United
BWI
1:46a
SEA
9:53a
8h 07m
1 stop
SEA
7:35p
BWI
3:32a
7h 57m
1 stop
Depart: Tue Jun 6 2017 Return: Thu Jun 8 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
BWI
3:20a
SEA
9:15a
5h 55m
nonstop
SEA
6:50p
BWI
11:45p
4h 55m
nonstop
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Major Airline
Major Airline
BWI
2:48a
SEA
3:21p
12h 33m
1 stop
SEA
2:13a
BWI
9:49a
7h 36m
1 stop
Depart: Tue Jan 24 2017 Return: Thu Jan 26 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
BWI
12:35p
SEA
6:38p
6h 03m
nonstop
SEA
3:35a
BWI
8:28a
4h 53m
nonstop
Depart: Wed Jun 7 2017 Return: Thu Jun 8 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
3:20a
SEA
9:15a
5h 55m
nonstop
SEA
6:50p
BWI
11:45p
4h 55m
nonstop
Depart: Wed Apr 5 2017 Return: Mon Apr 10 2017 Trip spans 6 days
JetBlue
JetBlue
BWI
4:10a
SEA
12:54p
8h 44m
1 stop
SEA
7:38p
BWI
7:21a
11h 43m
1 stop
Depart: Thu Mar 9 2017 Return: Mon Mar 13 2017 Trip spans 4 days
United
United
BWI
2:30a
SEA
9:55a
7h 25m
1 stop
SEA
8:40a
BWI
6:23p
9h 43m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Baltimore
$228
Destination

Seattle
$228
Airlines Airline reviews

22 travelers who booked a flight from Baltimore to Seattle rated their chosen airlines with an average of 7.7.

Overall
8.0
Boarding
7.7
Crew
8.5
Comfort
7.8
Food
6.8
Entertainment
6.0