Find Cheap Flights from Chicago to United States

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 United States

(Round-trip)
Depart: Wed Sep 6 2017 Return: Thu Sep 7 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
ORD
BWI
1h 52m
nonstop
BWI
ORD
2h 09m
nonstop
Depart: Fri Dec 8 2017 Return: Wed Dec 13 2017 Trip spans 6 days
American Airlines
American Airlines
ORD
LGA
2h 05m
nonstop
LGA
ORD
2h 46m
nonstop
Depart: Thu Feb 1 2018 Return: Sun Feb 4 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
LGA
2h 24m
nonstop
LGA
ORD
2h 34m
nonstop
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
Frontier
Frontier
ORD
MCO
2h 54m
nonstop
MCO
ORD
3h 07m
nonstop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
United
United
ORD
LAX
4h 34m
nonstop
LAX
ORD
4h 00m
nonstop
Depart: Tue Oct 17 2017 Return: Wed Oct 25 2017 Trip spans 9 days
JetBlue
JetBlue
ORD
FLL
3h 20m
nonstop
FLL
ORD
3h 23m
nonstop
Depart: Sat Sep 9 2017 Return: Mon Sep 11 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
ORD
LGA
2h 09m
nonstop
LGA
ORD
2h 40m
nonstop
Depart: Fri Jan 19 2018 Return: Mon Jan 22 2018 Trip spans 4 days
American Airlines
American Airlines
ORD
LGA
2h 34m
nonstop
LGA
ORD
2h 55m
nonstop
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
Frontier
Frontier
ORD
MCO
2h 54m
nonstop
MCO
ORD
3h 10m
nonstop
Depart: Tue Aug 29 2017 Return: Tue Sep 12 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
ORD
MCO
2h 39m
nonstop
MCO
ORD
3h 10m
nonstop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
United
United
ORD
LAX
4h 24m
nonstop
LAX
ORD
3h 59m
nonstop
Depart: Tue Nov 7 2017 Return: Wed Nov 15 2017 Trip spans 9 days
JetBlue
JetBlue
ORD
FLL
3h 21m
nonstop
FLL
ORD
3h 11m
nonstop
Depart: Mon Sep 11 2017 Return: Wed Oct 11 2017 Trip spans 31 days
Spirit Airlines
Spirit Airlines
ORD
DEN
2h 43m
nonstop
DEN
ORD
2h 27m
nonstop
Depart: Fri Feb 2 2018 Return: Wed Feb 7 2018 Trip spans 6 days
American Airlines
American Airlines
ORD
LGA
2h 03m
nonstop
LGA
ORD
2h 43m
nonstop
Depart: Thu Sep 7 2017 Return: Tue Sep 12 2017 Trip spans 6 days
Frontier
Frontier
ORD
MCO
2h 49m
nonstop
MCO
ORD
3h 10m
nonstop
Depart: Tue Oct 31 2017 Return: Wed Nov 1 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
ORD
LAX
4h 35m
nonstop
LAX
ORD
3h 52m
nonstop
Depart: Tue Nov 7 2017 Return: Wed Nov 15 2017 Trip spans 9 days
United
United
ORD
LAX
4h 39m
nonstop
LAX
ORD
3h 52m
nonstop
Depart: Tue Dec 5 2017 Return: Tue Dec 12 2017 Trip spans 8 days
JetBlue
JetBlue
ORD
FLL
3h 21m
nonstop
FLL
ORD
3h 11m
nonstop
Depart: Mon Sep 11 2017 Return: Wed Sep 13 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
ORD
LGA
2h 15m
nonstop
LGA
ORD
2h 40m
nonstop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
Frontier
Frontier
ORD
LAS
4h 10m
nonstop
LAS
ORD
3h 33m
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.

We compile tonnes 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 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

Chicago
$81
Destination

New York
$81
Baltimore
$81
Orlando
$88
Fort Lauderdale
$89
Los Angeles
$89
Denver
$81
Las Vegas
$89