Chicago, IL Flights - Book Cheap Flights to Chicago, IL
Popular airlines from St. Louis Lambert Intl. Airport (STL) to Chicago
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
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St. Louis Flights
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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 . 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 | St. Louis Lambert Intl. Airport |
|---|---|
Destination airport | Rockford, IL |
Distance | 399 km away |
Airlines serving | American Airlines |
Popular airline | American Airlines |