Find Cheap Flights from Chicago to Seattle (CHI - 03A)

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

Book cheap flights from Chicago to Seattle

(Round-trip)
Depart: Mon Dec 4 2017 Return: Tue Dec 12 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ORD
SEA
28h 27m
1 stop
SEA
ORD
16h 28m
1 stop
Depart: Sun Jan 21 2018 Return: Wed Jan 24 2018 Trip spans 4 days
Frontier
Frontier
ORD
SEA
15h 41m
1 stop
SEA
ORD
10h 44m
1 stop
Depart: Sun Dec 3 2017 Return: Wed Dec 6 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
SEA
24h 00m
1 stop
SEA
ORD
28h 27m
1 stop
Depart: Tue Dec 5 2017 Return: Wed Dec 13 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ORD
SEA
17h 15m
1 stop
SEA
ORD
28h 22m
1 stop
Depart: Sat Dec 9 2017 Return: Mon Dec 11 2017 Trip spans 3 days
Frontier
Frontier
ORD
SEA
21h 49m
1 stop
SEA
ORD
21h 15m
1 stop
Depart: Mon Dec 4 2017 Return: Thu Dec 14 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
ORD
SEA
28h 27m
1 stop
SEA
ORD
16h 28m
1 stop
Depart: Sat Jan 20 2018 Return: Tue Jan 23 2018 Trip spans 4 days
Frontier
Frontier
ORD
SEA
12h 03m
1 stop
SEA
ORD
16h 42m
1 stop
Depart: Thu Dec 7 2017 Return: Wed Dec 13 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
ORD
SEA
10h 02m
1 stop
SEA
ORD
28h 22m
1 stop
Depart: Tue Dec 5 2017 Return: Wed Dec 13 2017 Trip spans 9 days
Frontier
Frontier
ORD
SEA
17h 15m
1 stop
SEA
ORD
21h 13m
1 stop
Depart: Sat Dec 2 2017 Return: Tue Dec 5 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
SEA
28h 27m
1 stop
SEA
ORD
23h 42m
1 stop
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
Frontier
Frontier
ORD
SEA
10h 02m
1 stop
SEA
ORD
16h 28m
1 stop
Depart: Tue Jan 16 2018 Return: Tue Jan 23 2018 Trip spans 8 days
Frontier
Frontier
ORD
SEA
15h 41m
1 stop
SEA
ORD
16h 42m
1 stop
Depart: Wed Dec 6 2017 Return: Wed Dec 13 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
SEA
21h 42m
1 stop
SEA
ORD
28h 22m
1 stop
Depart: Mon Jan 22 2018 Return: Sat Jan 27 2018 Trip spans 6 days
Frontier
Frontier
ORD
SEA
20h 11m
1 stop
SEA
ORD
10h 44m
1 stop
Depart: Thu Dec 7 2017 Return: Sat Dec 9 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
ORD
SEA
24h 00m
1 stop
SEA
ORD
21h 03m
1 stop
Depart: Tue Jan 23 2018 Return: Tue Jan 30 2018 Trip spans 8 days
Frontier
Frontier
ORD
SEA
15h 41m
1 stop
SEA
ORD
5h 59m
1 stop
Depart: Wed Jan 24 2018 Return: Mon Jan 29 2018 Trip spans 6 days
Frontier
Frontier
ORD
SEA
20h 11m
1 stop
SEA
ORD
21h 27m
1 stop
Depart: Wed Jan 31 2018 Return: Mon Feb 5 2018 Trip spans 6 days
Frontier
Frontier
ORD
SEA
20h 11m
1 stop
SEA
ORD
21h 27m
1 stop
Depart: Mon Feb 5 2018 Return: Tue Feb 13 2018 Trip spans 9 days
Frontier
Frontier
ORD
SEA
20h 11m
1 stop
SEA
ORD
5h 59m
1 stop
Depart: Tue Feb 27 2018 Return: Tue Mar 6 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
SEA
9h 57m
1 stop
SEA
ORD
11h 02m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$107
Destination

Seattle
$107
Airlines