Find Cheap Flights from Chicago O'Hare International to Seattle/Tacoma Intl (ORD - SEA)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago O'Hare International to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue Nov 7 2017 Return: Mon Nov 13 2017 Trip spans 7 days
Frontier
Frontier
ORD
1:30a
SEA
11:32a
10h 02m
1 stop
SEA
12:30p
ORD
10:59a
22h 29m
1 stop
Depart: Tue Aug 22 2017 Return: Tue Sep 12 2017 Trip spans 22 days
Spirit Airlines
Spirit Airlines
ORD
11:10a
SEA
10:59p
11h 49m
1 stop
SEA
5:35a
ORD
2:29p
8h 54m
1 stop
Depart: Wed Sep 13 2017 Return: Sat Sep 16 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ORD
5:15a
SEA
2:40p
9h 25m
1 stop
SEA
1:35p
ORD
5:20p
3h 45m
nonstop
Depart: Sun Sep 17 2017 Return: Tue Sep 19 2017 Trip spans 3 days
United
United
ORD
3:47a
SEA
8:20a
4h 33m
nonstop
SEA
8:20p
ORD
12:24a
4h 04m
nonstop
Depart: Mon Sep 18 2017 Return: Tue Sep 19 2017 Trip spans 2 days
American Airlines
American Airlines
ORD
4:10p
SEA
8:39p
4h 29m
nonstop
SEA
7:59p
ORD
11:49p
3h 50m
nonstop
Depart: Tue Dec 19 2017 Return: Wed Jan 3 2018 Trip spans 16 days
Delta
Delta
ORD
2:30a
SEA
7:05a
4h 35m
nonstop
SEA
2:40a
ORD
6:45a
4h 05m
nonstop
Depart: Sat Sep 23 2017 Return: Wed Oct 4 2017 Trip spans 12 days
Frontier
Frontier
ORD
12:30p
SEA
7:37p
7h 07m
1 stop
SEA
6:50a
ORD
3:35p
8h 45m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 9 2017 Trip spans 15 days
Spirit Airlines
Spirit Airlines
ORD
8:17a
SEA
6:43p
10h 26m
2 stops
SEA
5:35a
ORD
5:16p
11h 41m
1 stop
Depart: Wed Oct 11 2017 Return: Mon Oct 23 2017 Trip spans 13 days
Frontier
Frontier
ORD
2:30a
SEA
2:48p
12h 18m
1 stop
SEA
1:35p
ORD
4:29a
14h 54m
1 stop
Depart: Sat Sep 9 2017 Return: Thu Sep 14 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
ORD
8:35a
SEA
6:55p
10h 20m
2 stops
SEA
11:05a
ORD
5:41p
6h 36m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
ORD
5:30a
SEA
9:43p
16h 13m
1 stop
SEA
5:49a
ORD
5:29p
11h 40m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Oct 4 2017 Trip spans 15 days
Frontier
Frontier
ORD
12:30p
SEA
7:37p
7h 07m
1 stop
SEA
6:50a
ORD
7:29p
12h 39m
1 stop
Depart: Mon Sep 11 2017 Return: Mon Sep 18 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
ORD
10:55a
SEA
9:59p
11h 04m
1 stop
SEA
5:35a
ORD
5:16p
11h 41m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Frontier
Frontier
ORD
12:30p
SEA
7:37p
7h 07m
1 stop
SEA
6:50a
ORD
3:35p
8h 45m
1 stop
Depart: Sat Oct 28 2017 Return: Sun Oct 29 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
1:30p
SEA
12:15a
10h 45m
1 stop
SEA
2:00a
ORD
12:00p
10h 00m
1 stop
Depart: Sat Sep 30 2017 Return: Tue Oct 31 2017 Trip spans 32 days
Frontier
Frontier
ORD
12:30p
SEA
7:37p
7h 07m
1 stop
SEA
11:05a
ORD
4:00a
16h 55m
1 stop
Depart: Sat Nov 18 2017 Return: Fri Nov 24 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
1:50a
SEA
6:28a
4h 38m
nonstop
SEA
2:00a
ORD
6:05a
4h 05m
nonstop
Depart: Fri Nov 24 2017 Return: Tue Nov 28 2017 Trip spans 5 days
United
United
ORD
2:24p
SEA
7:05p
4h 41m
nonstop
SEA
1:45a
ORD
5:34a
3h 49m
nonstop
Depart: Fri Jan 5 2018 Return: Tue Jan 9 2018 Trip spans 5 days
Delta
Delta
ORD
2:30a
SEA
7:05a
4h 35m
nonstop
SEA
6:15a
ORD
10:20a
4h 05m
nonstop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
ORD
5:30a
SEA
9:43p
16h 13m
1 stop
SEA
5:49a
ORD
5:29p
11h 40m
1 stop
Direct flights ORD to SEA on American Airlines
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
2554 7:10 am 9:41 am Aug 22 - Oct 4
1239 10:29 am 1:00 pm Aug 22 - Oct 4
1438 1:44 pm 4:17 pm Aug 22 - Sep 2
1438 1:44 pm 4:17 pm Sep 3 - Sep 3
1438 1:44 pm 4:17 pm Sep 4 - Oct 3
1085 5:00 pm 7:33 pm Aug 16 - Nov 4
2419 8:10 pm 10:39 pm Aug 22 - Oct 4
2419 8:10 pm 10:39 pm Aug 24 - Oct 6
* 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.

We compile tonnes of data for you
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

Chicago
$178
Destination

Seattle
$178
Airlines Airline reviews

381 travelers who booked a flight from Chicago to Seattle rated their chosen airlines with an average of 7.0.

Overall
7.1
Boarding
7.2
Crew
7.8
Comfort
6.9
Food
6.2
Entertainment
6.1