Cheap flights from St. Louis to Chicago (STL - CHI)

Flight FAQs

From St. Louis to Chicago

What airport do you fly from for flights from St. Louis to Chicago?

If you book a flight to Chicago from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 57 flights from Lambert-St Louis to Chicago per day from 8 different airlines.

Which airlines flying from Lambert-St Louis to Chicago have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Chicago that may be offering flexible cancellation policies are American Airlines, United Airlines, and Cape Air. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are flight prices decreasing from St. Louis to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St. Louis and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St. Louis to Chicago for under $100 on Cheapflights?

Yes, there are multiple flights from St. Louis to Chicago for under $100. The cheapest flight booked recently is on Multiple Airlines for just $90, but on average you can expect to pay $115.

Are there nonstop flights from St. Louis to Chicago for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from St. Louis to Chicago under $200. A good price for a nonstop flight from St. Louis to Chicago is less than $236.

Are there last-minute flights available from St. Louis to Chicago for under $200?

There are currently 20+ open flights from St. Louis to Chicago within the next 7 days for less than $200.

What days are nonstop flights available from St. Louis to Chicago?

Nonstop flights can be found on the following days: Monday, Tuesday.

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

5 flight departures from St. Louis to Chicago per day on average.
Afternoon (Noon - 6pm) - 60% of flight departures
Evening (6pm - Midnight) - 40% of flight departures

How long is the flight from St. Louis to Chicago?

For as low as $105, Spirit Airlines can have you in Chicago from St. Louis in 13h 31m. St. Louis and Chicago are separated by a distance of 259 mi.

What is the cheapest airline to fly from St. Louis to Chicago round-trip?

Our cheapest airline available from St. Louis to Chicago is Spirit Airlines. Our recent data shows that you can find tickets from as low as $105 on this airline. Spirit Airlines is currently priced 53% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from St. Louis to Chicago one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $46. However, be on the lookout for offers from Frontier and Air Choice One, as they are both options that can get you from St. Louis to Chicago for a low price.