Cheap flights to Marion County

View €60 flight on Tue, 16 Jun 2026Opens in a new window

Popular airlines to Marion County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Marion County

Prices were available within the past 7 days and start at €60 for one-way flights and €118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€118 Return, found 6 days ago
€118
Return
found 6 days ago
Select American Airlines flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €118 found 6 days ago
Delta
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€136 Return, found 6 days ago
€136
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €136 found 6 days ago
Delta
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€157 Return, found 6 days ago
€157
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €157 found 6 days ago
Delta
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€165 Return, found 6 days ago
€165
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €165 found 6 days ago
Southern Airways Express
Mon, 14 Sept - Mon, 21 Sept
BNA
Nashville
STL
St. Louis
€170 Return, found 3 days ago
€170
Return
found 3 days ago
Select Southern Airways Express flight, departing Mon, 14 Sept from Nashville to St. Louis, returning Mon, 21 Sept, priced at €170 found 3 days ago
Delta
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€174 Return, found 6 days ago
€174
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €174 found 6 days ago
American Airlines
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€174 Return, found 6 days ago
€174
Return
found 6 days ago
Select American Airlines flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €174 found 6 days ago
American Airlines
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€177 Return, found 6 days ago
€177
Return
found 6 days ago
Select American Airlines flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €177 found 6 days ago
United
Wed, 17 Jun - Wed, 24 Jun
ORD
Chicago
STL
St. Louis
€186 Return, found 6 days ago
€186
Return
found 6 days ago
Select United flight, departing Wed, 17 Jun from Chicago to St. Louis, returning Wed, 24 Jun, priced at €186 found 6 days ago
WestJet
Wed, 27 May - Wed, 3 Jun
YYZ
Toronto
STL
St. Louis
€794 Return, found 2 days ago
€794
Return
found 2 days ago
Select WestJet flight, departing Wed, 27 May from Toronto to St. Louis, returning Wed, 3 Jun, priced at €794 found 2 days ago

Trending flights to Marion County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, 13 Jan - Wed, 10 Feb
DUB
Dublin
STL
St. Louis
€810 Return, found 3 days ago
€810
Return
found 3 days ago
Select British Airways flight, departing Wed, 13 Jan from Dublin to St. Louis, returning Wed, 10 Feb, priced at €810 found 3 days ago

Frequently asked questions

How do I find cheap flights to Marion County that have flexible change policies?
At Expedia, we've been channeling our inner Olympic gymnast to deliver you the most flexible airfares in town. Just click on "No change fee" directly under the filter heading "Flexible change policies" to find the best flights to Marion County.
Which airlines fly to Marion County?
Dig out your passport, pack your bags and take your pick of these well-known airlines that have flights into or near Marion County:

  • Southwest Airlines - 2,214 flights to or near Marion County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near Marion County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near Marion County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Marion County?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then tick the flexible dates box above to reveal the cheapest prices for nearby days. €118 was the cheapest price for a flight to Marion County in the last seven days.
How much is a flight to Marion County?
There were lots of bargain fares up for grabs in the last seven days, with the price of a return flight to Marion County varying between €118 and €810. Many lucky travellers purchased one-way tickets from Chicago (ORD) for as little as €60.
What are the most popular airports to fly into in Marion County?
Start organising your Marion County holiday by reserving a seat on one of the 4,902 flights each month to Lambert-St. Louis Intl. Airport (STL). This is the region's primary gateway.
How much is a plane ticket to Marion County?
In the last seven days, airfares ranged between €118 and €810. Swipe through our fabulous deals to Marion County, make a booking and then start packing!
What is the best time to go to Marion County?
One of the best times to explore Kinmundy is after June 20 when summer begins. In Marion County's most populous city, average temperatures range from 18ºC to 27ºC during this time — prime weather for seeing the sights! July, August and September are the most popular months to travel to this hot spot.
What months are the cheapest to book a flight to Marion County?
Snap up your ticket in February to enjoy inexpensive flights to Marion County. December is often the most expensive time to buy a fare.

Book with confidence

About Marion County

Expedia offers flights to Marion County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Marion County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Marion County
*Available to Expedia members.