Find Deals on 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 May 3 2016 Return: Tue May 17 2016 Trip spans 15 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Tue Apr 19 2016 Return: Tue Apr 26 2016 Trip spans 8 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
7:30a
ORD
1:41p
6h 11m
1 stop
Depart: Wed Apr 20 2016 Return: Tue May 10 2016 Trip spans 21 days
Frontier
Frontier
ORD
8:45a
SEA
6:35p
9h 50m
1 stop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Tue Apr 26 2016 Return: Tue May 3 2016 Trip spans 8 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
7:30a
ORD
1:41p
6h 11m
1 stop
Depart: Sat Apr 30 2016 Return: Tue May 3 2016 Trip spans 4 days
Frontier
Frontier
ORD
8:45a
SEA
6:35p
9h 50m
1 stop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Tue May 10 2016 Return: Sat May 14 2016 Trip spans 5 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
7:30a
ORD
1:43p
6h 13m
1 stop
Depart: Wed May 11 2016 Return: Tue May 17 2016 Trip spans 7 days
Frontier
Frontier
ORD
8:50a
SEA
6:29p
9h 39m
1 stop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Tue May 17 2016 Return: Sat May 21 2016 Trip spans 5 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
7:30a
ORD
1:43p
6h 13m
1 stop
Depart: Tue May 24 2016 Return: Tue Jun 7 2016 Trip spans 15 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
7:30a
ORD
1:43p
6h 13m
1 stop
Depart: Thu Apr 14 2016 Return: Tue Apr 19 2016 Trip spans 6 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Sun Apr 17 2016 Return: Tue Apr 19 2016 Trip spans 3 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Thu Apr 21 2016 Return: Tue Apr 26 2016 Trip spans 6 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Sun Apr 24 2016 Return: Tue Apr 26 2016 Trip spans 3 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Thu Apr 28 2016 Return: Tue May 17 2016 Trip spans 20 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Sun May 1 2016 Return: Tue May 17 2016 Trip spans 17 days
Frontier
Frontier
ORD
3:55p
SEA
8:35p
4h 40m
nonstop
SEA
8:59p
ORD
1:10a
4h 11m
nonstop
Depart: Wed Jun 1 2016 Return: Tue Jun 7 2016 Trip spans 7 days
Spirit Airlines
Spirit Airlines
ORD
10:45a
SEA
10:35p
11h 50m
1 stop
SEA
11:05a
ORD
12:13a
13h 08m
1 stop
Depart: Thu Jun 2 2016 Return: Tue Jun 7 2016 Trip spans 6 days
United
United
ORD
2:00a
SEA
10:56a
8h 56m
1 stop
SEA
7:05p
ORD
11:03p
3h 58m
nonstop
Depart: Fri Apr 22 2016 Return: Tue Apr 26 2016 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
1:50p
SEA
8:05p
6h 15m
1 stop
SEA
2:15p
ORD
5:59p
3h 44m
nonstop
Depart: Tue Mar 29 2016 Return: Wed Mar 30 2016 Trip spans 2 days
Delta
Delta
ORD
2:40p
SEA
9:12p
6h 32m
1 stop
SEA
7:15a
ORD
3:31p
8h 16m
1 stop
Depart: Sun Mar 27 2016 Return: Wed Mar 30 2016 Trip spans 4 days
American Airlines
American Airlines
ORD
3:09a
SEA
7:47a
4h 38m
nonstop
SEA
11:05a
ORD
3:00p
3h 55m
nonstop
Direct flights ORD to SEA on Delta
Flight # Depart ORD Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9015 8:00 am 10:40 am Feb 24 - Feb 24
9015 8:00 am 10:40 am Mar 11 - Mar 11
9015 8:00 am 10:40 am Feb 29 - Mar 10
9015 8:00 am 10:30 am Mar 14 - Mar 20
9015 8:00 am 10:40 am Feb 15 - Feb 22
9015 8:00 am 10:40 am Feb 14 - Feb 28
9015 8:05 am 10:35 am Mar 13 - Mar 13
8992 3:25 pm 5:50 pm Mar 13 - Mar 20
8992 3:25 pm 5:50 pm Mar 15 - Mar 23
8992 3:25 pm 5:50 pm Mar 14 - Mar 14
8992 3:30 pm 6:09 pm Mar 8 - Mar 12
8992 3:30 pm 6:09 pm Feb 14 - Feb 20
8992 3:30 pm 6:09 pm Feb 21 - Feb 23
8992 3:30 pm 6:09 pm Feb 22 - Feb 28
8992 3:30 pm 6:09 pm Mar 1 - Mar 6
8992 3:30 pm 6:09 pm Mar 7 - Mar 7
8992 3:30 pm 6:09 pm Mar 9 - Mar 11
8992 3:30 pm 6:09 pm Feb 29 - Feb 29
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons 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 don'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.

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
$208
Destination

Seattle
$208