Cheap Flights from St. Louis (STL) to Chicago (ORD) from HK$1,314~

View HK$1,314 flight on Mon, 29 Dec 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Chicago O'Hare Intl. Airport (ORD)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from St. Louis (STL) to Chicago (ORD)

Prices were available within the past 7 days and start at HK$1,314 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from St. Louis (STL) to Chicago (ORD)

October is typically the cheapest month to fly

From HK$598 - HK$2,402 per traveller.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
O'Hare Intl.
Distance
413 km
Average flight time
1 hour 28 mins

Book with confidence

Flights from St. Louis to Chicago

Book cheap flights from St. Louis (STL) to Chicago (ORD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from St. Louis (STL) to Chicago (ORD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your St. Louis (STL) to Chicago (ORD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chicago flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chicago and things to do in Chicago for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chicago more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chicago is HK$1,314 now!

 

Flights from St. Louis to Chicago

Explore a world of travel with Expedia

*Available to Expedia members.