Find Deals on Flights from Chicago O'Hare International to Lambert-St Louis (ORD - STL)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Chicago O'Hare International to Lambert-St Louis

(Round-trip)
Depart: Sun Oct 9 2016 Return: Fri Oct 14 2016 Trip spans 6 days
Depart: Tue Sep 27 2016 Return: Wed Sep 28 2016 Trip spans 2 days
Depart: Sat Jan 7 2017 Return: Mon Jan 9 2017 Trip spans 3 days
Depart: Mon Oct 3 2016 Return: Tue Oct 4 2016 Trip spans 2 days
Depart: Wed Sep 14 2016 Return: Thu Sep 15 2016 Trip spans 2 days
Depart: Mon Jan 16 2017 Return: Mon Feb 6 2017 Trip spans 22 days
Depart: Tue Nov 22 2016 Return: Tue Nov 29 2016 Trip spans 8 days
Depart: Sun Nov 20 2016 Return: Sat Nov 26 2016 Trip spans 7 days
Depart: Sun Oct 2 2016 Return: Mon Oct 3 2016 Trip spans 2 days
Depart: Tue Oct 4 2016 Return: Wed Oct 5 2016 Trip spans 2 days
Depart: Sun Jan 8 2017 Return: Fri Jan 13 2017 Trip spans 6 days
Depart: Wed Aug 31 2016 Return: Thu Sep 1 2016 Trip spans 2 days
Depart: Thu Sep 1 2016 Return: Fri Sep 2 2016 Trip spans 2 days
Depart: Fri Sep 2 2016 Return: Sun Sep 4 2016 Trip spans 3 days
Depart: Sat Sep 3 2016 Return: Sun Sep 4 2016 Trip spans 2 days
Depart: Sun Sep 4 2016 Return: Mon Sep 5 2016 Trip spans 2 days
Depart: Mon Sep 5 2016 Return: Tue Sep 6 2016 Trip spans 2 days
Depart: Tue Sep 6 2016 Return: Thu Sep 8 2016 Trip spans 3 days
Depart: Wed Sep 7 2016 Return: Thu Sep 8 2016 Trip spans 2 days
Depart: Thu Sep 8 2016 Return: Fri Sep 9 2016 Trip spans 2 days
Direct flights ORD to STL on American Airlines
Flight # Depart ORD Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
1102 7:25 am 8:31 am Sep 11 - Sep 15
1102 7:25 am 8:31 am Sep 1 - Sep 9
1102 7:25 am 8:31 am Sep 16 - Oct 7
3755 10:15 am 11:25 am Sep 1 - Sep 6
3755 10:20 am 11:28 am Sep 23 - Oct 5
3755 10:20 am 11:28 am Sep 7 - Sep 21
3755 10:20 am 11:28 am Sep 22 - Sep 29
3755 10:25 am 11:33 am Oct 6 - Oct 13
3755 10:25 am 11:33 am Oct 7 - Oct 17
3596 1:30 pm 2:49 pm Sep 10 - Oct 1
3596 1:30 pm 2:49 pm Sep 22 - Sep 29
3596 1:30 pm 2:49 pm Sep 7 - Sep 21
3596 1:30 pm 2:49 pm Sep 1 - Sep 6
3596 1:30 pm 2:49 pm Sep 23 - Oct 5
4699 1:40 pm 3:01 pm Oct 7 - Oct 17
4699 1:40 pm 3:01 pm Oct 6 - Oct 13
3250 4:55 pm 6:10 pm Sep 6 - Sep 6
3250 5:00 pm 6:15 pm Sep 7 - Oct 5
3250 5:00 pm 6:15 pm Oct 7 - Oct 28
3250 5:00 pm 6:15 pm Sep 8 - Oct 3
3250 5:00 pm 6:15 pm Oct 6 - Oct 6
1323 6:40 pm 7:49 pm Sep 23 - Sep 23
1323 6:40 pm 7:49 pm Sep 22 - Sep 22
1323 6:40 pm 7:49 pm Sep 25 - Oct 5
1323 6:40 pm 7:49 pm Sep 11 - Sep 14
1323 6:40 pm 7:49 pm Sep 29 - Sep 29
1323 6:40 pm 7:49 pm Sep 2 - Sep 9
1323 6:40 pm 7:49 pm Sep 17 - Oct 1
1323 6:40 pm 7:49 pm Sep 16 - Sep 21
1323 6:40 pm 7:49 pm Sep 10 - Sep 10
1323 6:40 pm 7:49 pm Sep 15 - Sep 15
1323 6:45 pm 7:54 pm Oct 6 - Oct 13
1323 6:45 pm 7:54 pm Oct 7 - Oct 17
1315 8:05 pm 9:12 pm Sep 17 - Oct 1
1315 8:05 pm 9:12 pm Sep 7 - Sep 15
1315 8:05 pm 9:12 pm Sep 22 - Sep 29
1315 8:05 pm 9:12 pm Sep 16 - Oct 4
1315 8:05 pm 9:12 pm Sep 10 - Sep 10
1315 8:20 pm 9:27 pm Sep 6 - Sep 6
1315 8:25 pm 9:32 pm Oct 6 - Oct 6
1315 8:25 pm 9:32 pm Oct 5 - Oct 17
2201 9:54 pm 10:59 pm Sep 10 - Oct 1
2201 9:54 pm 10:59 pm Sep 4 - Sep 7
2201 9:54 pm 10:59 pm Oct 5 - Oct 5
2201 9:54 pm 10:59 pm Sep 13 - Oct 4
2201 9:54 pm 10:59 pm Sep 8 - Oct 3
2201 9:54 pm 10:59 pm Oct 6 - Oct 30
* 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
$193
Destination

St. Louis
$193
Airlines Airline reviews

34 travelers who booked a flight from Chicago to St. Louis rated their chosen airlines with an average of 6.6.

Overall
6.6
Boarding
6.6
Crew
7.3
Comfort
6.6
Food
6.0
Entertainment
5.8