Cheap flights from St. Louis to Chicago from $46
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 8/1. 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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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
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 Southern / Mokulele
Find the cheapest direct flights from St. Louis to Chicago
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 flights from St. Louis to Chicago
Our best Southern / Mokulele deals on St. Louis to Chicago flight tickets
American Airlines flights from St. Louis to Chicago
Our best American Airlines deals on St. Louis to Chicago flight tickets
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?
May. The cheapest time of year to fly to Chicago from St. Louis is May. Most expensive is March
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 afternoon. St. Louis to Chicago flights are approximately 45% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Chicago from St. Louis?
Southern / Mokulele. Southern / Mokulele, Southwest, and American Airlines 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?
40 days before. The cheapest time to buy a flight from St. Louis to Chicago is approximately 40 days to departure
How many flights depart from St. Louis to Chicago on average per day?
As of July 2024, there are 53 flights per week flying from St. Louis to Chicago. The most common time of day flights depart is 1:00PM, with 44% of flights taking off at noon.
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 July 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 4 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?
You could potentially save up to 6% on your flight if you consider stops on a St. Louis to Chicago flight.
How have St. Louis to Chicago flight prices changed over time?
As of July 2024, prices for St. Louis to Chicago flights are approximately 40% cheaper when compared to flights at the same time last year.
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
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 United 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 $54, 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?
As of July 2024, there are 5 operators available to choose from 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.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.4 28 reviews | |||
| PriceFrom $126 | Free Cancellation | Rating 7.4 10,000 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 9,630 reviews |
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 10,000 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 $126 rare but found on momondo. Referenced prices are for round-trip St. Louis to Chicago flight searches in the last 72 hours.
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.