Cheap flights from Chicago to St. Louis from $56
Deals available from 900+ travel sites.
Flight information for Chicago to St. Louis
(CHI to STL)
Find info about flight duration, direct flights, and airports for your flight from Chicago to St. Louis
Best Price Found | $56 |
|---|---|
Fastest flight time | 1h 05m |
Direct flights | Every day |
Airports in St. Louis | 1 airport |
How to get the cheapest flight ticket from Chicago to St. Louis
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 Chicago to St. Louis?
January. The cheapest time of year to fly to St. Louis from Chicago is January. Most expensive is June
What is the cheapest day to depart Chicago for St. Louis?
Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Tuesday
When is the cheapest time to fly from Chicago to St. Louis?
In the afternoon. Chicago to St. Louis flights are approximately 48% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to St. Louis from Chicago?
Southern / Mokulele. American Airlines, Southern / Mokulele, and United Airlines are the most popular carriers operating from Chicago to St. Louis
What is the cheapest Chicago to St. Louis flight route?
Chicago O'Hare Intl - Lambert-St Louis. Fly from Chicago O'Hare Intl to Lambert-St Louis for the best Chicago - St. Louis flight prices
How far in advance should you book Chicago to St. Louis flights?
60 days before. The cheapest time to buy a flight from Chicago to St. Louis is approximately 60 days to departure
How many flights depart from Chicago to St. Louis on average per day?
The number of flights available between Chicago and St. Louis is 48 per day as of September 2023. The most frequent departure time is 7:00PM, with 42% of daily flights leaving in the afternoon.
How many flights depart from Chicago to St. Louis on average per week?
As of September 2023, there are 339 flights per week flying from Chicago to St. Louis. The most common day of the week flights depart is Monday, with 16% of flights taking off on this day.
What cabin class options are available on Chicago to St. Louis flights?
There are 2 cabin classes available to choose from on Chicago to St. Louis 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 Chicago to St. Louis flights?
You could potentially save up to 11% on your flight if you consider stops on a Chicago to St. Louis flight.
If you are looking to fly from Chicago to St. Louis, you are most likely going to fly from Chicago O'Hare Intl Airport to Lambert-St Louis Airport, the most popular airports on that route. You may be looking for an airport near Chicago O'Hare Intl Airport to depart from when traveling to St. Louis and Chicago Midway Airport, located in Chicago is a great option. If you are looking for an alternate airport to fly into near Lambert-St Louis Airport, Springfield Capital Airport is a great option and is located in Springfield. The least expensive flight option from Chicago to St. Louis will typically be ORD — STL during the month of September with an average price of $119 RT.
Easily compare round-trip flights from Chicago to St. Louis
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 Chicago to St. Louis by changing tabs
Find the cheapest one-way flights from Chicago to St. Louis
If you're looking for one-way flights from Chicago to St. Louis, view some of our deals below provided by American Airlines, Frontier and Southern / Mokulele
Search last-minute flights to St. Louis from Chicago
Find and compare round-trip flight prices for your last-minute flight from Chicago to St. Louis
Best airlines flying from Chicago to St. Louis
Compare and see reviews for airlines that fly from Chicago to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $125 | Free Cancellation | Rating 7.2 2,716 reviews | |||
| PriceFrom $131 | Free Cancellation | Rating 7.1 2,890 reviews | |||
| PriceFrom $142 | Free Cancellation | Rating 8.6 2 reviews |
United Airlines Flights From Chicago to St. Louis
United Airlines operates around 48 flights from Chicago to St. Louis every week. The average price of these flights found in the last 72 hours has been $312, but momondo users have found United Airlines deals from Chicago to St. Louis from as low as $125 round-trip. United Airlines has been scored 7.2/10 in 2,716 reviews.
American Airlines Flights From Chicago to St. Louis
Across 2,890 American Airlines reviews on momondo, the average score is 7.1/10. American Airlines flies from Chicago to St. Louis about 18 times each week, with ticket deals ranging from $131 to $282. Price data is based on momondo searches in the last 72 hours.
Southern / Mokulele flights from Chicago to St. Louis
Our best Southern / Mokulele deals on Chicago to St. Louis flight tickets
United Airlines flights from Chicago to St. Louis
Our best United Airlines deals on Chicago to St. Louis flight tickets
How far is Chicago to Lambert-St Louis by plane?
There are 262.0 mi between Chicago and Lambert-St Louis. Typically, this will take 1h 14m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Lambert-St Louis Airport?
Prices for flights from Chicago to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Chicago to Lambert-St Louis Airport?
As of September 2023, there are 3 operators available to choose from for flights from Chicago to Lambert-St Louis Airport.
How old do you have to be to fly from Chicago to Lambert-St Louis Airport?
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 Chicago to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Alternative routes for Chicago to St. Louis
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Similar Chicago to St. Louis flights
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Flights to St. Louis from:
Flights to other cities in United States
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Popular momondo destinations
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Why use momondo?
Why should I use momondo to find a flight deal from Chicago to St. Louis?
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 St. Louis from Chicago.
Can I find flights from Chicago to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to St. Louis?
Once you have performed a search for Chicago to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chicago to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.