Find Cheap Flights to Chicago O'Hare International

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 to Chicago O'Hare International

(Round-trip)
Depart: Tue Apr 4 2017 Return: Wed Apr 5 2017 Trip spans 2 days
Frontier
Frontier
DEN
ORD
2h 27m
nonstop
ORD
DEN
2h 42m
nonstop
Depart: Tue Apr 18 2017 Return: Wed Apr 26 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 28m
nonstop
ORD
LGA
2h 14m
nonstop
Depart: Wed Mar 29 2017 Return: Mon Apr 3 2017 Trip spans 6 days
Major Airline
Major Airline
DFW
ORD
2h 20m
nonstop
ORD
DFW
2h 30m
nonstop
Depart: Tue Aug 29 2017 Return: Wed Sep 6 2017 Trip spans 9 days
American Airlines
American Airlines
LGA
ORD
2h 55m
nonstop
ORD
LGA
2h 17m
nonstop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
United
United
LAX
ORD
4h 04m
nonstop
ORD
LAX
4h 40m
nonstop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
JetBlue
JetBlue
BOS
ORD
2h 44m
nonstop
ORD
BOS
2h 20m
nonstop
Depart: Tue Mar 28 2017 Return: Thu Mar 30 2017 Trip spans 3 days
Delta
Delta
LGA
ORD
2h 45m
nonstop
ORD
LGA
2h 12m
nonstop
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 35m
nonstop
ORD
LGA
2h 08m
nonstop
Depart: Sat May 6 2017 Return: Wed May 10 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 24m
nonstop
ORD
LGA
2h 08m
nonstop
Depart: Mon Apr 10 2017 Return: Wed Apr 12 2017 Trip spans 3 days
Major Airline
Major Airline
MSP
ORD
1h 31m
nonstop
ORD
MSP
1h 31m
nonstop
Depart: Wed May 10 2017 Return: Wed May 17 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 39m
nonstop
ORD
LGA
2h 08m
nonstop
Depart: Wed Apr 26 2017 Return: Sun Apr 30 2017 Trip spans 5 days
Major Airline
Major Airline
DFW
ORD
2h 28m
nonstop
ORD
DFW
2h 27m
nonstop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Frontier
Frontier
TTN
ORD
2h 29m
nonstop
ORD
TTN
2h 09m
nonstop
Depart: Wed May 3 2017 Return: Sun May 7 2017 Trip spans 5 days
Major Airline
Major Airline
DFW
ORD
2h 28m
nonstop
ORD
DFW
2h 27m
nonstop
Depart: Tue May 2 2017 Return: Sat May 6 2017 Trip spans 5 days
Frontier
Frontier
TTN
ORD
2h 29m
nonstop
ORD
TTN
2h 13m
nonstop
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
LAX
ORD
3h 55m
nonstop
ORD
LAX
4h 20m
nonstop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
Major Airline
Major Airline
DFW
ORD
2h 28m
nonstop
ORD
DFW
2h 27m
nonstop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
Frontier
Frontier
TTN
ORD
2h 19m
nonstop
ORD
TTN
2h 13m
nonstop
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
MSP
ORD
1h 32m
nonstop
ORD
MSP
1h 25m
nonstop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
United
United
FLL
ORD
3h 24m
nonstop
ORD
FLL
3h 07m
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.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

New York
$79
Minneapolis
$87
Fort Lauderdale
$127
Los Angeles
$115
Denver
$77
Trenton
$97
Dallas
$87
Boston
$121
Destination

Chicago
$77
Airlines Airline reviews

864 travelers who booked a flight from Denver to Chicago rated their chosen airlines with an average of 5.6.

Overall
5.8
Boarding
6.1
Crew
6.5
Comfort
5.5
Food
4.4
Entertainment
4.4