Find Deals on Flights to Chicago

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 to Chicago

(Round-trip)
Depart: Fri Feb 26 2016 Return: Mon Feb 29 2016 Trip spans 4 days
Spirit Airlines
Spirit Airlines
DFW
ORD
2h 25m
nonstop
ORD
DFW
2h 30m
nonstop
Depart: Sat Feb 27 2016 Return: Tue Mar 1 2016 Trip spans 4 days
Spirit Airlines
Spirit Airlines
ATL
ORD
2h 09m
nonstop
ORD
ATL
1h 53m
nonstop
Depart: Sun Feb 28 2016 Return: Wed Mar 2 2016 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
ORD
2h 02m
nonstop
ORD
BWI
1h 43m
nonstop
Depart: Mon Feb 29 2016 Return: Wed Mar 2 2016 Trip spans 3 days
Spirit Airlines
Spirit Airlines
LGA
ORD
2h 26m
nonstop
ORD
LGA
2h 06m
nonstop
Depart: Fri Mar 4 2016 Return: Mon Mar 7 2016 Trip spans 4 days
Spirit Airlines
Spirit Airlines
PHL
ORD
2h 20m
nonstop
ORD
PHL
1h 57m
nonstop
Depart: Wed Mar 9 2016 Return: Mon Mar 14 2016 Trip spans 5 days
United
United
DEN
ORD
2h 29m
nonstop
ORD
DEN
2h 40m
nonstop
Depart: Sat Apr 9 2016 Return: Tue Apr 19 2016 Trip spans 11 days
Spirit Airlines
Spirit Airlines
MSP
ORD
1h 31m
nonstop
ORD
MSP
1h 24m
nonstop
Depart: Tue Mar 8 2016 Return: Tue Mar 15 2016 Trip spans 7 days
Spirit Airlines
Spirit Airlines
HOU
ORD
2h 37m
nonstop
ORD
HOU
2h 43m
nonstop
Depart: Wed Feb 17 2016 Return: Tue Feb 23 2016 Trip spans 7 days
American Airlines
American Airlines
PHX
ORD
3h 22m
nonstop
ORD
PHX
3h 52m
nonstop
Depart: Tue Feb 16 2016 Return: Sun Feb 21 2016 Trip spans 6 days
Delta
Delta
ATL
MDW
2h 09m
nonstop
MDW
ATL
1h 57m
nonstop
Depart: Wed Apr 20 2016 Return: Mon Apr 25 2016 Trip spans 6 days
United
United
IAH
ORD
2h 39m
nonstop
ORD
IAH
2h 47m
nonstop
Depart: Tue Feb 23 2016 Return: Wed Feb 24 2016 Trip spans 2 days
Spirit Airlines
Spirit Airlines
OAK
ORD
4h 06m
nonstop
ORD
OAK
4h 36m
nonstop
Depart: Sat Apr 30 2016 Return: Wed May 4 2016 Trip spans 5 days
Frontier
Frontier
TTN
ORD
2h 30m
nonstop
ORD
TTN
2h 05m
nonstop
Depart: Fri Mar 25 2016 Return: Sat Mar 26 2016 Trip spans 2 days
Delta
Delta
MSP
MDW
1h 38m
nonstop
MDW
MSP
1h 33m
nonstop
Depart: Mon Apr 11 2016 Return: Mon Apr 25 2016 Trip spans 15 days
United
United
LAX
ORD
3h 55m
nonstop
ORD
LAX
4h 37m
nonstop
Depart: Thu Apr 28 2016 Return: Tue May 3 2016 Trip spans 6 days
Frontier
Frontier
IAD
ORD
2h 26m
nonstop
ORD
IAD
1h 51m
nonstop
Depart: Sun Mar 20 2016 Return: Wed Mar 23 2016 Trip spans 4 days
American Airlines
American Airlines
BOS
ORD
2h 59m
nonstop
ORD
BOS
2h 14m
nonstop
Depart: Tue May 3 2016 Return: Fri May 6 2016 Trip spans 4 days
United
United
SFO
ORD
4h 08m
nonstop
ORD
SFO
4h 50m
nonstop
Depart: Sun May 15 2016 Return: Mon May 16 2016 Trip spans 2 days
JetBlue
JetBlue
JFK
ORD
2h 48m
nonstop
ORD
JFK
2h 15m
nonstop
Depart: Thu Mar 31 2016 Return: Fri Apr 1 2016 Trip spans 2 days
American Airlines
American Airlines
DCA
ORD
2h 13m
nonstop
ORD
DCA
1h 51m
nonstop
* 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
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Airports
Origin

New York
only $177
only $81
Oakland
$147
Washington
only $158
only $189
San Francisco
$177
Baltimore
$81
Minneapolis
$81
Atlanta
$81
Phoenix
$107
Trenton
$148
Los Angeles
$157
Denver
$81
Dallas
$81
Philadelphia
$81
Houston
only $143
only $97
Boston
$163
Destination

Chicago
only $81
only $117