CA $84 Cheap Flights from St. Louis (STL) to Chicago (CHI)
Popular airlines from Lambert-St. Louis International Airport (STL) to Chicago
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Frontier AirlinesFrontier Airlines
Southwest AirlinesSouthwest Airlines
Alaska AirlinesAlaska Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from St. Louis to Chicago (STL-CHI)
Alternative airports near Chicago
Prices were available within the past 7 days. Prices and availability are subject to change.
Book with confidence
St. Louis to Chicago Flights
The easy way to book your flights from St. Louis to Chicago
With Expedia, it’s simple to find and book flights to Chicago from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to Chicago, IL, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Chicago today, tomorrow, or this week.
Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Chicago, IL, CHI
Sort your search results by price to find great deals on your flight from St. Louis to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from St. Louis currently is just CA $295 rising to CA $1,465.
Here are more money-saving tips:
- Fly in December when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Chicago
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Chicago from St. Louis
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Chicago with Expedia today.
Frequently Asked Questions
How much is a flight from St. Louis Lambert International Airport to Chicago, IL (CHI-All Airports)?
The lowest price advertised for a round-trip journey from Lambert Field to Chicago, IL (CHI-All Airports) is CA $295. But you better act soon. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Chicago, IL (CHI-All Airports)?
The majority of flights can be canceled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from STL to Chicago, IL (CHI-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert-St. Louis Intl. Airport (STL) to Chicago, IL (CHI-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to Chicago, IL (CHI-All Airports)?
With a flight distance of 400 kilometers, it's only a hop from Lambert Field to Chicago, IL (CHI-All Airports). It might be a quick journey, but it's still worth packing something to keep you entertained on board.
Which airlines fly direct from Lambert Field to Chicago, IL (CHI-All Airports)?
Southwest Airlines (WN) is one of the top choices for travelers jetting between STL and Chicago, IL (CHI-All Airports). Choose from the 208 flights it offers on this route each month. United Airlines (UA) is another popular choice. It operates 208 flights per month. Between these two airlines, you'll be able to find a good deal from St. Louis to Illinois.
Are STL to Chicago, IL (CHI-All Airports) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally score a bargain, with some super cheap fares from Lambert Field to Chicago, IL (CHI-All Airports) popping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance.
Travel information
Origin airport | Lambert-St. Louis International Airport |
|---|---|
Destination airport | Chicago Midway Airport |
Distance | 405 km away |
Airlines serving | Delta, Southwest Airlines, Frontier Airlines |
Popular airline | Delta |
Roundtrip price | CA $295 |
Average flight time | 1 hour 32 mins |