Cheap Flights from Champaign (CMI) to St. Louis (STL)

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

Is it cheaper to buy a plane ticket from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Lambert-St. Louis Intl. Airport (STL) last minute?
Being spontaneous is a wonderful way to discover the world, but it's not always the ideal way to find a cheap plane ticket. Consider booking your Willard Airport to Lambert-St. Louis Intl. Airport (STL) trip well in advance rather than leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you get to Lambert-St. Louis Intl. Airport (STL)!
What airports do you fly into for St. Louis from Champaign?
Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) are your options when jetting from Champaign to St. Louis. About 19 kilometers northwest of the heart of St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city's principal gateway. Take into account things like flight schedules and the distance to your hotel before you select an airport. Busch Stadium and Gateway Arch are two top attractions to put on your itinerary when you get to your destination.
Can I change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Lambert Field?
Plans don't always work out, so Expedia is here to help make things as simple as possible. To start, access your University Of Illinois Urbana-Champaign Williard Airport (CMI) to STL itinerary through the Expedia Trips portal and browse the fare conditions about what changes can be made. If you booked your ticket in the last 24 hours, some carriers will let you cancel for free and organize new flights. If you booked more than 24 hours ago, connect with us through our Customer Service portal to run through your options.

Travel information

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Lambert-St. Louis Intl.
Distance
229 km

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