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: Sat Oct 28 2017 Return: Wed Nov 1 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
BWI
3:15p
SEA
9:07p
5h 52m
nonstop
SEA
5:55a
BWI
11:13a
5h 18m
nonstop
Depart: Tue Aug 22 2017 Return: Sat Aug 26 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Fri Sep 15 2017 Return: Sat Sep 23 2017 Trip spans 9 days
Major Airline
Major Airline
BWI
11:30a
SEA
5:15p
5h 45m
nonstop
SEA
3:30p
BWI
8:36p
5h 06m
nonstop
Depart: Fri Oct 20 2017 Return: Mon Oct 30 2017 Trip spans 11 days
American Airlines
American Airlines
BWI
2:20a
SEA
10:06a
7h 46m
1 stop
SEA
2:10a
BWI
9:09a
6h 59m
1 stop
Depart: Sun Nov 19 2017 Return: Thu Nov 30 2017 Trip spans 12 days
JetBlue
JetBlue
BWI
12:03p
SEA
10:19p
10h 16m
1 stop
SEA
5:50p
BWI
5:48a
11h 58m
1 stop
Depart: Sat Nov 25 2017 Return: Tue Nov 28 2017 Trip spans 4 days
Delta
Delta
BWI
11:35a
SEA
7:27p
7h 52m
1 stop
SEA
8:10a
BWI
3:45p
7h 35m
1 stop
Depart: Wed Aug 23 2017 Return: Sat Aug 26 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Tue Aug 8 2017 Return: Thu Aug 31 2017 Trip spans 24 days
Major Airline
Major Airline
BWI
11:39p
SEA
5:19a
5h 40m
nonstop
SEA
2:20p
BWI
7:29p
5h 09m
nonstop
Depart: Fri Oct 13 2017 Return: Sat Oct 28 2017 Trip spans 16 days
Alaska Airlines
Alaska Airlines
BWI
3:15p
SEA
9:07p
5h 52m
nonstop
SEA
5:55a
BWI
11:13a
5h 18m
nonstop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Tue May 30 2017 Return: Wed May 31 2017 Trip spans 2 days
Major Airline
Major Airline
BWI
11:20p
SEA
5:00a
5h 40m
nonstop
SEA
11:45p
BWI
4:59a
5h 14m
nonstop
Depart: Tue Aug 29 2017 Return: Wed Aug 30 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Fri Jun 2 2017 Return: Mon Jun 5 2017 Trip spans 4 days
Major Airline
Major Airline
BWI
11:20p
SEA
5:00a
5h 40m
nonstop
SEA
2:40p
BWI
7:48p
5h 08m
nonstop
Depart: Thu Oct 26 2017 Return: Sun Oct 29 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: Wed Aug 30 2017 Return: Sat Sep 2 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Sun Oct 29 2017 Return: Fri Nov 3 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
BWI
3:15p
SEA
9:07p
5h 52m
nonstop
SEA
5:55a
BWI
11:13a
5h 18m
nonstop
Depart: Sat Sep 2 2017 Return: Wed Sep 6 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
Major Airline
Major Airline
BWI
11:15a
SEA
5:07p
5h 52m
nonstop
SEA
1:55a
BWI
7:13a
5h 18m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 6 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
3:39a
SEA
9:19a
5h 40m
nonstop
SEA
6:20p
BWI
11:29p
5h 09m
nonstop
Depart: Mon Oct 30 2017 Return: Fri Nov 3 2017 Trip spans 5 days
Major Airline
Major Airline
BWI
11:30a
SEA
5:15p
5h 45m
nonstop
SEA
1:55a
BWI
7:13a
5h 18m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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
$267
Destination

Seattle
$267
Airlines Airline reviews

30 travelers who booked a flight from Baltimore to Seattle rated their chosen airlines with an average of 7.8.

Overall
8.0
Boarding
7.7
Crew
8.7
Comfort
7.8
Food
7.2
Entertainment
6.4