Find Deals on Flights from North America 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 from North America to Chicago O'Hare International

(Round-trip)
Depart: Sat Apr 15 2017 Return: Tue Apr 18 2017 Trip spans 4 days
Frontier
Frontier
DEN
ORD
2h 26m
nonstop
ORD
DEN
2h 46m
nonstop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Major Airline
Major Airline
PHL
ORD
14h 27m
nonstop
ORD
PHL
17h 17m
nonstop
Depart: Wed Mar 1 2017 Return: Tue Mar 7 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
DEN
ORD
2h 23m
nonstop
ORD
DEN
2h 42m
nonstop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
American Airlines
American Airlines
DEN
ORD
2h 37m
nonstop
ORD
DEN
2h 38m
nonstop
Depart: Wed Mar 8 2017 Return: Mon Mar 13 2017 Trip spans 5 days
United
United
IAH
ORD
2h 40m
nonstop
ORD
IAH
2h 46m
nonstop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
JetBlue
JetBlue
JFK
ORD
2h 58m
nonstop
ORD
JFK
2h 22m
nonstop
Depart: Tue Jul 11 2017 Return: Wed Jul 19 2017 Trip spans 9 days
Delta
Delta
LGA
ORD
2h 44m
nonstop
ORD
LGA
2h 12m
nonstop
Depart: Mon May 8 2017 Return: Tue May 9 2017 Trip spans 2 days
Major Airline
Major Airline
PHL
ORD
5h 09m
nonstop
ORD
PHL
8h 28m
nonstop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
Major Airline
Major Airline
PHL
ORD
5h 18m
nonstop
ORD
PHL
13h 22m
nonstop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
DEN
ORD
2h 27m
nonstop
ORD
DEN
2h 43m
nonstop
Depart: Thu Mar 2 2017 Return: Tue Mar 7 2017 Trip spans 6 days
Frontier
Frontier
DEN
ORD
2h 38m
nonstop
ORD
DEN
2h 46m
nonstop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
MSP
ORD
1h 29m
nonstop
ORD
MSP
1h 30m
nonstop
Depart: Wed Mar 15 2017 Return: Thu Mar 16 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 35m
nonstop
ORD
LGA
2h 15m
nonstop
Depart: Fri May 12 2017 Return: Wed May 24 2017 Trip spans 13 days
Major Airline
Major Airline
DEN
ORD
2h 29m
nonstop
ORD
DEN
2h 37m
nonstop
Depart: Thu Apr 20 2017 Return: Sun Apr 23 2017 Trip spans 4 days
Frontier
Frontier
DEN
ORD
2h 36m
nonstop
ORD
DEN
2h 46m
nonstop
Depart: Tue Mar 21 2017 Return: Wed Mar 22 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 27m
nonstop
ORD
LGA
2h 13m
nonstop
Depart: Mon May 15 2017 Return: Sat May 20 2017 Trip spans 6 days
Major Airline
Major Airline
DEN
ORD
2h 29m
nonstop
ORD
DEN
2h 39m
nonstop
Depart: Tue Apr 4 2017 Return: Tue Apr 18 2017 Trip spans 15 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 35m
nonstop
ORD
LGA
2h 07m
nonstop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
United
United
LGA
ORD
2h 40m
nonstop
ORD
LGA
2h 11m
nonstop
Depart: Wed Apr 19 2017 Return: Sat Apr 22 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 35m
nonstop
ORD
LGA
2h 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.

Airports
Origin

New York
only $75
only $113
Minneapolis
$75
Denver
$57
Philadelphia
$68
Houston
$110
Destination

Chicago
$57
Airlines Airline reviews

578 travelers who booked a flight from Denver to Chicago rated their chosen airlines with an average of 5.8.

Overall
6.1
Boarding
6.4
Crew
6.7
Comfort
5.6
Food
4.4
Entertainment
4.4