Cheap Flights from Marion (MWA) to St. Louis (CPS)

  • notification illustration

    Be in the know

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

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from Williamson County Regional Airport (MWA) to St. Louis Downtown Airport last minute?
When it's time to book your flights, being organized pays off. While you could pick up a deal on a Williamson County Regional Airport (MWA) to CPS flight at the last minute, prices usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it's between three and four months.
What airports do you fly into for East St. Louis from Marion?
St. Louis Downtown Airport (CPS), Lambert-St. Louis Intl. Airport (STL) and MidAmerica-St. Louis Airport (BLV) are your options when connecting from Marion to East St. Louis. Roughly 3 kilometers south of the center of East St. Louis, St. Louis Downtown Airport (CPS) is the city's major gateway. Take into account things such as flight schedules and the distance to your hotel before settling on an airport. Busch Stadium and Gateway Arch are a couple of excellent attractions to explore when you arrive.
Can I change the date of my flight from Williamson County Regional Airport (MWA) to St. Louis Downtown Airport (CPS)?
Quickly make changes to your MWA to St. Louis Downtown Airport (CPS) journey by logging in to the Expedia Trips portal. But before you make any adjustments, look over the rules and restrictions in your itinerary to learn what the airline will allow you to do and if change fees apply. Some airlines charge a change fee per person, on top of any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also check out our Customer Service portal for more handy information and to connect with our Virtual Agent.

Travel information

Origin airport
Williamson County Regional
Destination airport
St. Louis Downtown
Distance
135 km

Book with confidence