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

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 Lambert-St Louis to Chicago O'Hare International

(Round-trip)
Depart: Fri Aug 11 2017 Return: Thu Aug 31 2017 Trip spans 21 days
Air Choice One
Air Choice One
STL
8:30a
ORD
11:15a
2h 45m
1 stop
ORD
7:30a
STL
10:20a
2h 50m
1 stop
Depart: Mon May 1 2017 Return: Tue May 2 2017 Trip spans 2 days
Major Airline
Major Airline
STL
4:45a
ORD
6:04a
1h 19m
1 stop
ORD
12:00p
STL
1:07p
1h 07m
1 stop
Depart: Tue May 30 2017 Return: Sun Jun 4 2017 Trip spans 6 days
American Airlines
American Airlines
STL
1:00a
ORD
2:15a
1h 15m
nonstop
ORD
3:14a
STL
4:20a
1h 06m
nonstop
Depart: Tue Jun 27 2017 Return: Mon Jul 3 2017 Trip spans 7 days
United
United
STL
4:10a
ORD
5:34a
1h 24m
nonstop
ORD
12:25p
STL
1:47p
1h 22m
nonstop
Depart: Sat Jul 1 2017 Return: Mon Jul 3 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
STL
8:43a
ORD
10:04a
1h 21m
nonstop
ORD
6:20a
STL
7:30a
1h 10m
nonstop
Depart: Wed May 17 2017 Return: Thu May 25 2017 Trip spans 9 days
Air Choice One
Air Choice One
STL
8:30a
ORD
11:15a
2h 45m
1 stop
ORD
7:30a
STL
10:20a
2h 50m
1 stop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Air Choice One
Air Choice One
STL
8:00a
ORD
2:00p
6h 00m
1 stop
ORD
7:25a
STL
10:20a
2h 55m
1 stop
Depart: Thu Apr 27 2017 Return: Fri Apr 28 2017 Trip spans 2 days
Air Choice One
Air Choice One
STL
11:30a
ORD
2:00p
2h 30m
1 stop
ORD
7:25a
STL
10:20a
2h 55m
1 stop
Depart: Wed May 24 2017 Return: Tue May 30 2017 Trip spans 7 days
Major Airline
Major Airline
STL
11:19p
ORD
12:41a
1h 22m
nonstop
ORD
12:00p
STL
1:07p
1h 07m
nonstop
Depart: Sat Jun 3 2017 Return: Sun Jun 4 2017 Trip spans 2 days
American Airlines
American Airlines
STL
1:00a
ORD
2:13a
1h 13m
nonstop
ORD
3:14a
STL
4:20a
1h 06m
nonstop
Depart: Sat Sep 16 2017 Return: Thu Sep 28 2017 Trip spans 13 days
United
United
STL
7:20a
ORD
8:39a
1h 19m
nonstop
ORD
5:15a
STL
6:32a
1h 17m
nonstop
Depart: Fri Apr 28 2017 Return: Sat Apr 29 2017 Trip spans 2 days
Air Choice One
Air Choice One
STL
8:00a
ORD
10:35a
2h 35m
1 stop
ORD
7:25a
STL
10:20a
2h 55m
1 stop
Depart: Wed Jul 5 2017 Return: Sun Jul 9 2017 Trip spans 5 days
Major Airline
Major Airline
STL
10:05p
ORD
11:31p
1h 26m
nonstop
ORD
10:45a
STL
11:57a
1h 12m
nonstop
Depart: Fri Sep 15 2017 Return: Thu Sep 28 2017 Trip spans 14 days
American Airlines
American Airlines
STL
3:35p
ORD
5:00p
1h 25m
nonstop
ORD
5:50p
STL
7:12p
1h 22m
nonstop
Depart: Sun Sep 17 2017 Return: Thu Sep 28 2017 Trip spans 12 days
United
United
STL
2:45a
ORD
4:05a
1h 20m
nonstop
ORD
6:40p
STL
7:59p
1h 19m
nonstop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
Air Choice One
Air Choice One
STL
8:30a
ORD
11:15a
2h 45m
1 stop
ORD
7:30a
STL
10:20a
2h 50m
1 stop
Depart: Thu Jul 13 2017 Return: Sun Jul 16 2017 Trip spans 4 days
Major Airline
Major Airline
STL
9:00p
ORD
10:13p
1h 13m
nonstop
ORD
11:14p
STL
12:20a
1h 06m
nonstop
Depart: Tue Sep 19 2017 Return: Thu Sep 28 2017 Trip spans 10 days
American Airlines
American Airlines
STL
3:52a
ORD
5:15a
1h 23m
nonstop
ORD
2:25p
STL
3:54p
1h 29m
nonstop
Depart: Wed Sep 20 2017 Return: Thu Sep 28 2017 Trip spans 9 days
United
United
STL
7:20a
ORD
8:39a
1h 19m
nonstop
ORD
6:40p
STL
7:59p
1h 19m
nonstop
Depart: Thu May 4 2017 Return: Fri May 5 2017 Trip spans 2 days
Air Choice One
Air Choice One
STL
8:30a
ORD
11:15a
2h 45m
1 stop
ORD
7:30a
STL
10:20a
2h 50m
1 stop
Direct flights STL to ORD on American Airlines
Flight # Depart STL Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
2287 5:00 am 6:15 am Apr 27 - May 27
2287 5:00 am 6:15 am May 29 - Jun 1
1475 6:10 am 7:31 am Apr 27 - Jun 1
1585 7:19 am 8:41 am Apr 27 - Jun 1
1102 9:35 am 10:59 am Apr 27 - May 4
1102 9:35 am 10:59 am May 5 - May 26
1102 9:35 am 10:59 am May 6 - May 27
1102 9:35 am 10:59 am May 30 - Jun 1
1102 9:35 am 10:59 am May 29 - May 29
1102 9:35 am 10:59 am May 7 - May 21
1102 9:35 am 10:59 am May 28 - May 28
2901 12:45 pm 2:04 pm May 1 - May 4
2901 12:45 pm 2:04 pm Apr 28 - May 2
3366 12:52 pm 2:10 pm May 9 - May 30
3366 12:52 pm 2:10 pm May 5 - Jun 1
1308 4:00 pm 5:23 pm Jun 1 - Jun 1
1308 4:00 pm 5:23 pm May 1 - May 5
1308 4:00 pm 5:23 pm May 7 - May 28
1308 4:00 pm 5:23 pm May 4 - May 29
1308 4:00 pm 5:23 pm May 9 - May 30
1308 4:00 pm 5:23 pm May 10 - May 31
1308 4:00 pm 5:23 pm Apr 28 - May 2
3472 4:00 pm 5:16 pm May 6 - May 27
3250 7:30 pm 8:47 pm Apr 27 - May 4
3630 7:30 pm 8:48 pm May 5 - Jun 1
* 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

St. Louis
$190
Destination

Chicago
$190
Airlines Airline reviews

40 travelers who booked a flight from St. Louis to Chicago rated their chosen airlines with an average of 6.7.

Overall
6.8
Boarding
6.9
Crew
7.8
Comfort
6.6
Food
6.1
Entertainment
5.6