Find Deals on Flights from Chicago O'Hare International 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 Chicago O'Hare International to Seattle

(Round-trip)
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
ORD
4:00a
SEA
12:38p
8h 38m
1 stop
SEA
2:00a
ORD
5:30p
15h 30m
1 stop
Depart: Fri Apr 21 2017 Return: Fri Apr 28 2017 Trip spans 8 days
Frontier
Frontier
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
Depart: Wed May 3 2017 Return: Fri May 5 2017 Trip spans 3 days
Major Airline
Major Airline
ORD
1:15a
SEA
10:57a
9h 42m
1 stop
SEA
6:00a
ORD
3:23a
21h 23m
1 stop
Depart: Wed Apr 19 2017 Return: Wed Apr 26 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:27a
4h 27m
nonstop
SEA
5:00a
ORD
5:19p
12h 19m
1 stop
Depart: Thu Aug 10 2017 Return: Tue Aug 15 2017 Trip spans 6 days
Delta
Delta
ORD
10:20a
SEA
2:55p
4h 35m
nonstop
SEA
1:00p
ORD
5:05p
4h 05m
nonstop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
4:10p
SEA
8:42p
4h 32m
nonstop
SEA
3:00a
ORD
7:01a
4h 01m
nonstop
Depart: Thu May 11 2017 Return: Sat May 20 2017 Trip spans 10 days
United
United
ORD
8:15a
SEA
12:46p
4h 31m
nonstop
SEA
2:00a
ORD
5:56a
3h 56m
nonstop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
ORD
11:08a
SEA
9:58p
10h 50m
1 stop
SEA
2:00a
ORD
5:56p
15h 56m
1 stop
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
ORD
10:50a
SEA
10:15p
11h 25m
1 stop
SEA
11:23a
ORD
12:27a
13h 04m
1 stop
Depart: Sat Apr 22 2017 Return: Fri Apr 28 2017 Trip spans 7 days
Frontier
Frontier
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
Depart: Tue Jun 6 2017 Return: Wed Jun 14 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
ORD
10:51a
SEA
10:40p
11h 49m
1 stop
SEA
2:00a
ORD
5:30p
15h 30m
1 stop
Depart: Mon Apr 24 2017 Return: Fri Apr 28 2017 Trip spans 5 days
Frontier
Frontier
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
Depart: Thu Apr 20 2017 Return: Mon Apr 24 2017 Trip spans 5 days
Major Airline
Major Airline
ORD
10:10a
SEA
11:10a
25h 00m
1 stop
SEA
9:50a
ORD
7:00a
21h 10m
1 stop
Depart: Wed Jun 7 2017 Return: Wed Jun 14 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
ORD
10:51a
SEA
10:40p
11h 49m
1 stop
SEA
2:00a
ORD
5:30p
15h 30m
1 stop
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
Frontier
Frontier
ORD
12:40p
SEA
7:35p
6h 55m
1 stop
SEA
7:00a
ORD
2:29p
7h 29m
1 stop
Depart: Sun Apr 23 2017 Return: Wed Apr 26 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ORD
2:00a
SEA
6:27a
4h 27m
nonstop
SEA
5:51a
ORD
5:19p
11h 28m
1 stop
Depart: Fri Aug 11 2017 Return: Tue Aug 15 2017 Trip spans 5 days
Delta
Delta
ORD
1:55p
SEA
6:30p
4h 35m
nonstop
SEA
3:40a
ORD
7:45a
4h 05m
nonstop
Depart: Sat Jun 10 2017 Return: Tue Jun 13 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
4:10p
SEA
8:42p
4h 32m
nonstop
SEA
3:00a
ORD
7:01a
4h 01m
nonstop
Depart: Sun May 14 2017 Return: Wed May 24 2017 Trip spans 11 days
United
United
ORD
3:45p
SEA
8:15p
4h 30m
nonstop
SEA
7:15p
ORD
11:02p
3h 47m
nonstop
Depart: Mon May 1 2017 Return: Fri May 5 2017 Trip spans 5 days
Major Airline
Major Airline
ORD
6:20a
SEA
12:54p
30h 34m
1 stop
SEA
1:50a
ORD
3:23a
25h 33m
1 stop
* 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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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

Chicago
$206
Destination

Seattle
$206
Airlines Airline reviews

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

Overall
6.8
Boarding
7.1
Crew
7.6
Comfort
6.6
Food
5.9
Entertainment
5.9