Cheap flights from St. Louis to Chicago

Round-trip
Economy
St. Louis (STL)
Chicago (CHI)
Tue 6/8
Tue 6/15
Any month
Compare vs. momondo |

Flight information for St. Louis to Chicago
(STL to CHI)

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chicago
Best Price Found$122The best flight deal from St. Louis to Chicago found on momondo in the last 72 hours is $122
Fastest flight time1h 18mThe fastest flight from St. Louis to Chicago takes 1h 18m
Direct flightsMo, Tu and ThDirect flights go from St. Louis to Chicago on Monday, Tuesday and Thursday. The only airline offering direct flights is United Airlines.
Airports in Chicago3 airportsThere are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD)

How to get the cheapest flight ticket from St. Louis to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from St. Louis to Chicago?

July
The cheapest time of year to fly to Chicago from St. Louis is July. Most expensive is December

What is the cheapest day to depart St. Louis for Chicago?

Monday
The cheapest day of the week is typically Monday. The most expensive is typically Sunday

When is the cheapest time to fly from St. Louis to Chicago?

in the morning
St. Louis to Chicago flights are approximately 11% more expensive in the afternoon than in the morning

What is the cheapest airline that flies to Chicago from St. Louis?

Cape Air
Cape Air, Delta, and Air Choice One are the most popular carriers operating from St. Louis to Chicago

What is the cheapest St. Louis to Chicago flight route?

Lambert-St Louis - Chicago O'Hare Intl
Fly from Lambert-St Louis to Chicago O'Hare Intl for the best St. Louis - Chicago flight prices

How far in advance should you book St. Louis to Chicago flights?

54 days before
The cheapest time to buy a flight from St. Louis to Chicago is approximately 54 days to departure
60
Days before departure
0

Easily compare round-trip flights from St. Louis to Chicago

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Chicago by changing tabs
Frontier
Jun 18
STL4:25 amLambert-St Louis
1h 21m
ORD5:46 amChicago O'Hare Intl
Jun 21
ORD6:49 amChicago O'Hare Intl
1h 11m
STL8:00 amLambert-St Louis
Multiple Airlines
Jun 21
STL4:25 amLambert-St Louis
1h 21m
ORD5:46 amChicago O'Hare Intl
Jun 25
ORD4:55 pmChicago O'Hare Intl
1h 15m
STL6:10 pmLambert-St Louis
Multiple Airlines
Jun 11
STL4:25 amLambert-St Louis
1h 21m
ORD5:46 amChicago O'Hare Intl
Jun 13
ORD4:55 pmChicago O'Hare Intl
1h 15m
STL6:10 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Chicago

If you're looking for one-way flights from St. Louis to Chicago, view some of our deals below provided by Frontier and United Airlines
Frontier
Jun 12
STL4:45 pmLambert-St Louis
1h 21m
ORD6:06 pmChicago O'Hare Intl
Frontier
Jun 30
STL4:45 pmLambert-St Louis
1h 21m
ORD6:06 pmChicago O'Hare Intl
American Airlines
Jun 6
STL1:33 amLambert-St Louis
1h 26m
ORD2:59 amChicago O'Hare Intl

Best airlines flying from St. Louis to Chicago

Compare and see reviews for airlines that fly from St. Louis to Chicago with momondo
AirlineRatingFree CancellationPrice
Cape Air
PriceFrom $73
Free Cancellation
Rating
10.0
10.0

Boarding

10.0

Comfort

10.0

Crew

10.0

Entertainment

10.0

Food

Reviews

Pros: Chance to see the coast and internal from above

1 / 1
United Airlines
PriceFrom $131
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.0

Food

Reviews

Pros: Nothing

Cons: Very uncomfortable flight

1 / 10
American Airlines
PriceFrom $147
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.9

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Yes made sure mask was in place

Cons: No

1 / 10
Delta
PriceFrom $158
Free Cancellation
Rating
8.1
8.2

Boarding

8.4

Comfort

8.2

Crew

7.8

Entertainment

8.0

Food

Reviews

Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.

1 / 10

Which airlines flying from Lambert-St Louis to Chicago have COVID-19 safety policies in place?

Many airlines have put safety measures in place to reduce the spread of COVID-19. One is Delta. Airlines flying from Lambert-St Louis to Chicago are working to protect travelers. Some of these new policies include temperature checks, pre-flight testing, sanitization of key touchpoints, as well as mask requirements when onboard. Some airlines have even implemented socially distanced seating for a limited time. Policies will vary by airline.

Are airlines flying from Lambert-St Louis to Chicago offering flexible cancellation due to COVID-19?

Some of our partner airlines flying from Lambert-St Louis to Chicago are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are American Airlines, United Airlines, and Cape Air. You can search for the full list of airlines like American Airlines that are offering this flexibility.


Alternative routes for St. Louis to Chicago

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to Chicago Flights
Fastest flight time
4h 40m
Cheapest price
$133
Cape Girardeau to Chicago Flights
Fastest flight time
1h 33m
Cheapest price
$190

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