Flight information for Chicago to St. Louis
(CHI to STL)
Find info about flight duration, direct flights, and airports for your flight from Chicago to St. Louis
| 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) |
How to get the cheapest flight ticket from Chicago to St. Louis
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 Chicago to St. Louis?
July
The cheapest time of year to fly to St. Louis from Chicago is July. Most expensive is March
What is the cheapest day to depart Chicago for St. Louis?
Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Monday
When is the cheapest time to fly from Chicago to St. Louis?
at noon
Chicago to St. Louis flights are approximately 19% more expensive in the afternoon than at noon
What is the cheapest airline that flies to St. Louis from Chicago?
Cape Air
American Airlines, Cape Air, and Delta are the most popular carriers operating from Chicago to St. Louis
What is the cheapest Chicago to St. Louis flight route?
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
How far in advance should you book Chicago to St. Louis flights?
47 days before
The cheapest time to buy a flight from Chicago to St. Louis is approximately 47 days to departure
Easily compare round-trip flights from Chicago to St. Louis
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to St. Louis by changing tabs
Find the cheapest one-way flights from Chicago to St. Louis
If you're looking for one-way flights from Chicago to St. Louis, view some of our deals below provided by Delta
Best airlines flying from Chicago to St. Louis
Compare and see reviews for airlines that fly from Chicago to St. Louis with momondo
Reviews
Pros: Chance to see the coast and internal from above
Reviews
Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!
Reviews
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.
Reviews
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.
Are airlines flying from Chicago to Lambert-St Louis offering flexible cancellation due to COVID-19?
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.