|Best Price Found||$111||The best flight deal from Chicago to St. Louis found on momondo in the last 72 hours is $111|
|Fastest flight time||1h 09m||The fastest flight from Chicago to St. Louis takes 1h 09m|
|Direct flights||Thu, Fri, Sat and Sun||Direct flights go from Chicago to St. Louis on Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.|
|Airports in St. Louis||1 airport||There is 1 airport near St. Louis: Lambert-St Louis (STL)|
The cheapest time of year to fly to St. Louis from Chicago is July. Most expensive is March
The cheapest day of the week is typically Saturday. The most expensive is typically Monday
Chicago to St. Louis flights are approximately 19% more expensive in the afternoon than at noon
American Airlines, Cape Air, and Delta are the most popular carriers operating from Chicago to St. Louis
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
47 days before
The cheapest time to buy a flight from Chicago to St. Louis is approximately 47 days to departure
Pros: Chance to see the coast and internal from above
Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!
Pros: Delayed flight no reasons seems like American Airlines don’t know what to do in these situations
Cons: I believe this airlines should have figured the answer to this question by now.
Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.
Due to the global impact of COVID-19, some of our airline partners operating flights from Chicago to Lambert-St Louis, such as American Airlines, United Airlines, and Cape Air may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.