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Cheap flights from St. Louis to Chicago from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chicago departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap St. Louis to Chicago (STL to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chicago

Best Price Found

$65

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from St. Louis in the past 72 hours is $65. The best round-trip flight deal from St. Louis to Chicago found on momondo in the last 72 hours is $131.
The fastest flight from St. Louis to Chicago takes 1h 05m
Direct flights go from St. Louis to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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?

February. The cheapest time of year to fly to Chicago from St. Louis is February. Most expensive is May

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

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

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

In the evening. St. Louis to Chicago flights are approximately 28% more expensive at noon than in the evening

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

Southern / Mokulele. American Airlines, Delta, and Southern / Mokulele 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?

47 days before. The cheapest time to buy a flight from St. Louis to Chicago is approximately 47 days to departure

How many flights depart from St. Louis to Chicago on average per day?

As of March 2024, there are 53 flights per week flying from St. Louis to Chicago. The most common time of day flights depart is 2:00PM, with 55% of flights taking off in the afternoon.

How many flights depart from St. Louis to Chicago on average per week?

371 flights are operational weekly from St. Louis to Chicago as of March 2024. The most popular departure day for this route is Monday, with 16% of flights per week taking off on this day.

What cabin class options are available on St. Louis to Chicago flights?

There are 3 cabin classes available to choose from on St. Louis to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Chicago flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Chicago.

When traveling from St. Louis to Chicago, the most popular airport to fly into is Chicago O'Hare Intl Airport. The majority of travelers flying into Chicago O'Hare Intl Airport from St. Louis are departing from Lambert-St Louis Airport. When booking your trip to Chicago, it is helpful to have an alternative airport to fly out of. The nearest airport to Lambert-St Louis Airport is Springfield Capital Airport which is located in Springfield. When traveling from St. Louis, it is helpful to have an alternative airport to fly into when you land in Chicago. The nearest airport to Chicago O'Hare Intl Airport is Chicago Midway Airport which is located in Chicago. In March, $149 is typically the cheapest round trip price you’ll find from St. Louis to Chicago which you can find when you fly STL — ORD.

Lambert-St Louis Airport (STL) to Chicago O'Hare Intl Airport (ORD)$149
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Lambert-St Louis Airport (STL) to Chicago Midway Airport (MDW)$157
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Springfield Capital Airport (SPI) to Chicago O'Hare Intl Airport (ORD)$359
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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 six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Chicago by changing tabs
American Airlines
Apr 27
STL6:05 amLambert-St Louis
1h 19m
ORD7:24 amChicago O'Hare Intl
Apr 27
ORD10:10 amChicago O'Hare Intl
1h 23m
STL11:33 amLambert-St Louis
Delta
Apr 27
STL11:45 amLambert-St Louis
4h 34m
1 stop
MDW4:19 pmChicago Midway
May 4
MDW6:30 amChicago Midway
4h 29m
1 stop
STL10:59 amLambert-St Louis
Southern / Mokulele
May 16
STL3:55 pmLambert-St Louis
3h 15m
1 stop
ORD7:10 pmChicago O'Hare Intl
May 19
ORD5:15 pmChicago O'Hare Intl
3h 05m
1 stop
STL8:20 pmLambert-St Louis
Multiple Airlines
Apr 20
STL11:39 amLambert-St Louis
9h 26m
2 stops
ORD9:05 pmChicago O'Hare Intl
Apr 28
ORD5:15 pmChicago O'Hare Intl
3h 05m
1 stop
STL8:20 pmLambert-St Louis
Spirit Airlines
Apr 27
STL11:39 amLambert-St Louis
9h 26m
2 stops
ORD9:05 pmChicago O'Hare Intl
May 4
ORD10:00 pmChicago O'Hare Intl
20h 40m
2 stops
STL6:40 pmLambert-St Louis
United Airlines
May 26
STL5:31 pmLambert-St Louis
1h 24m
ORD6:55 pmChicago O'Hare Intl
May 29
ORD12:50 pmChicago O'Hare Intl
1h 24m
STL2:14 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 American Airlines, Frontier and Southwest
Frontier
Apr 23
STL4:50 pmLambert-St Louis
8h 06m
1 stop
ORD12:56 amChicago O'Hare Intl
American Airlines
May 8
STL7:45 amLambert-St Louis
1h 19m
ORD9:04 amChicago O'Hare Intl
Multiple Airlines
Apr 16
STL2:35 pmLambert-St Louis
10h 24m
1 stop
ORD12:59 amChicago O'Hare Intl

Search last-minute flights to Chicago from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to Chicago
Southern / Mokulele
Apr 5
STL3:55 pmLambert-St Louis
3h 15m
1 stop
ORD7:10 pmChicago O'Hare Intl
Apr 12
ORD5:15 pmChicago O'Hare Intl
3h 05m
1 stop
STL8:20 pmLambert-St Louis
Multiple Airlines
Apr 5
STL3:55 pmLambert-St Louis
3h 15m
1 stop
ORD7:10 pmChicago O'Hare Intl
Apr 12
ORD7:45 amChicago O'Hare Intl
26h 55m
2 stops
STL10:40 amLambert-St Louis
United Airlines
Mar 30
STL5:30 pmLambert-St Louis
1h 20m
ORD6:50 pmChicago O'Hare Intl
Apr 20
ORD12:57 pmChicago O'Hare Intl
1h 26m
STL2:23 pmLambert-St Louis
American Airlines
Apr 10
STL5:15 amLambert-St Louis
5h 00m
1 stop
ORD10:15 amChicago O'Hare Intl
Apr 11
ORD7:14 pmChicago O'Hare Intl
1h 15m
STL8:29 pmLambert-St Louis
Southern / Mokulele
Mar 29
STL8:55 pmLambert-St Louis
10h 30m
1 stop
ORD7:25 amChicago O'Hare Intl
Mar 31
ORD12:30 pmChicago O'Hare Intl
7h 50m
1 stop
STL8:20 pmLambert-St Louis
Southern / Mokulele
Apr 1
STL3:55 pmLambert-St Louis
3h 15m
1 stop
ORD7:10 pmChicago O'Hare Intl
Apr 2
ORD12:30 pmChicago O'Hare Intl
7h 50m
1 stop
STL8:20 pmLambert-St Louis

Best airlines flying from St. Louis to Chicago

Compare and see reviews for airlines that fly from St. Louis to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Southern / MokulelePriceFrom $99Free CancellationRating
8.9
22 reviews
Search Southern / Mokulele flights
United AirlinesPriceFrom $130Free CancellationRating
7.4
11,470 reviews
Search United Airlines flights
American AirlinesPriceFrom $169Free CancellationRating
7.3
15,181 reviews
Search American Airlines flights
DeltaPriceFrom $238Free CancellationRating
8.0
11,402 reviews
Search Delta flights
  • Southwest Flights From St. Louis to Chicago

    Southwest flight deals from St. Louis to Chicago start from $235 round-trip. Over the 42 Southwest flights for this route in a normal week, average airfare is usually $238 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From St. Louis to Chicago

    United Airlines (7.4/10 from 11,470 reviews) operates around 47 flights from St. Louis to Chicago in any given week. The average United Airlines airfare for this route is around $292, with deals from around $130 rare but found on momondo. Referenced prices are for round-trip St. Louis to Chicago flight searches in the last 72 hours.


American Airlines flights from St. Louis to Chicago

Our best American Airlines deals on St. Louis to Chicago flight tickets
American Airlines
Apr 27
STL6:05 amLambert-St Louis
1h 19m
ORD7:24 amChicago O'Hare Intl
Apr 27
ORD10:10 amChicago O'Hare Intl
1h 23m
STL11:33 amLambert-St Louis
American Airlines
Apr 27
STL5:25 pmLambert-St Louis
1h 15m
ORD6:40 pmChicago O'Hare Intl
May 4
ORD10:10 amChicago O'Hare Intl
1h 23m
STL11:33 amLambert-St Louis
American Airlines
Apr 24
STL6:05 amLambert-St Louis
1h 19m
ORD7:24 amChicago O'Hare Intl
May 1
ORD3:09 pmChicago O'Hare Intl
1h 18m
STL4:27 pmLambert-St Louis

Delta flights from St. Louis to Chicago

Our best Delta deals on St. Louis to Chicago flight tickets
Delta
Apr 27
STL11:45 amLambert-St Louis
4h 34m
1 stop
MDW4:19 pmChicago Midway
May 4
MDW6:30 amChicago Midway
4h 29m
1 stop
STL10:59 amLambert-St Louis
Delta
Apr 27
STL6:13 amLambert-St Louis
4h 12m
1 stop
ORD10:25 amChicago O'Hare Intl
Apr 29
ORD5:57 pmChicago O'Hare Intl
5h 49m
1 stop
STL11:46 pmLambert-St Louis
Delta
Apr 20
STL1:01 pmLambert-St Louis
6h 30m
1 stop
ORD7:31 pmChicago O'Hare Intl
Apr 24
ORD6:20 amChicago O'Hare Intl
4h 31m
1 stop
STL10:51 amLambert-St Louis

Choose the best way to get from St. Louis to Chicago

Buses

5h 30m
$36 one-way$66 round-trip
Nonstop · from $661 stop · from $123

Distance to downtown

ZUN0.7 mi

Find Buses

St. Louis to Chicago Buses

Trains

4h 55m
$25 one-way$50 round-trip
Nonstop · from $50

Distance to downtown

ZUN0.7 mi

Flights

1h 05m
$65 one-way$131 round-trip
Nonstop · from $1311 stop · from $83

Distance to downtown

ORD15.9 mi

  • Is flying the fastest way to get from St. Louis to Chicago?

    The quickest way is to book a flight from St. Louis to Chicago, which can be as quick as 1h 15m onboard American Airlines. You can also get a train from St. Louis to Chicago, or a bus from St. Louis to Chicago which can take you longer to arrive at your destination.

  • Is flying the cheapest way to get from St. Louis to Chicago?

    Taking a train to your destination is the cheapest option we’ve found in the past few days. The cheapest price we’ve found for this option is $50, making it less expensive than a flight from St. Louis to Chicago and cheaper than a bus from St. Louis to Chicago.

  • How far is Lambert-St Louis to Chicago by plane?

    Lambert-St Louis and Chicago are 262.0 mi apart from one another. Flights usually cover this in 1h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Chicago?

    Prices for flights from Lambert-St Louis Airport to Chicago are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Chicago?

  • How old do you have to be to fly from Lambert-St Louis Airport to Chicago?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


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 time1h 25m
Cheapest price$156
Columbia, Missouri to Chicago Flights
Fastest flight time1h 21m
Cheapest price$187
Springfield to Chicago Flights
Fastest flight time4h 41m
Cheapest price$196
Kansas City to St. Louis Flights
Fastest flight time1h 00m
Cheapest price$176
St. Louis to Quincy, Illinois Flights
Fastest flight time0h 50m
Cheapest price$88
Joplin to Chicago Flights
Fastest flight time3h 03m
Cheapest price$244
Springfield to Moline Flights
Fastest flight time4h 59m
Cheapest price$1,131
Kansas City to Moline Flights
Fastest flight time4h 21m
Cheapest price$428
Columbia, Missouri to St. Louis Flights
Fastest flight time5h 22m
Cheapest price$860
St. Louis to Decatur, Illinois Flights
Fastest flight time5h 31m
Cheapest price$273
Springfield to Peoria, Illinois Flights
Fastest flight time4h 05m
Cheapest price$706
Cape Girardeau to Chicago Flights
Fastest flight time18h 26m
Cheapest price$281

Similar St. Louis to Chicago flights

Flexible with your destination? Broaden your search and find flights similar to your St. Louis to Chicago route

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from St. Louis.

Can I find flights from St. Louis to Chicago with flexible booking policies on momondo?

All flight searches from St. Louis to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from St. Louis.

I’m not ready to book a flight from St. Louis to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.


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Airports listed have a maximum distance of 78.5 mi from Chicago


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