Cheap flights to Marion County

View €84 flight on Mon, 4 May 2026Opens in a new window

Popular airlines to Marion County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Spirit Airlines

  • 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 €84 for one-way flights and €135 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 4 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€135 Return, found 3 days ago
€135
Return
found 3 days ago
Select American Airlines flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €135 found 3 days ago
American Airlines
Mon, 4 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€156 Return, found 3 days ago
€156
Return
found 3 days ago
Select American Airlines flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €156 found 3 days ago
Delta
Mon, 4 May - Tue, 12 May
MDW
Chicago
STL
St. Louis
€160 Return, found 3 days ago
€160
Return
found 3 days ago
Select Delta flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €160 found 3 days ago
American Airlines
Mon, 4 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€165 Return, found 3 days ago
€165
Return
found 3 days ago
Select American Airlines flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €165 found 3 days ago
American Airlines
Thu, 30 Apr - Mon, 4 May
ORD
Chicago
STL
St. Louis
€166 Return, found 5 hours ago
€166
Return
found 5 hours ago
Select American Airlines flight, departing Thu, 30 Apr from Chicago to St. Louis, returning Mon, 4 May, priced at €166 found 5 hours ago
American Airlines
Sun, 3 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€171 Return, found 3 days ago
€171
Return
found 3 days ago
Select American Airlines flight, departing Sun, 3 May from Chicago to St. Louis, returning Tue, 12 May, priced at €171 found 3 days ago
American Airlines
Mon, 4 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€173 Return, found 3 days ago
€173
Return
found 3 days ago
Select American Airlines flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €173 found 3 days ago
United
Mon, 4 May - Tue, 12 May
ORD
Chicago
STL
St. Louis
€191 Return, found 3 days ago
€191
Return
found 3 days ago
Select United flight, departing Mon, 4 May from Chicago to St. Louis, returning Tue, 12 May, priced at €191 found 3 days ago
Scandinavian Airlines
Fri, 4 Sept - Fri, 11 Sept
DUB
Dublin
STL
St. Louis
€716 Return, found 2 days ago
€716
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, 4 Sept from Dublin to St. Louis, returning Fri, 11 Sept, priced at €716 found 2 days ago
British Airways
Thu, 30 Apr - Sun, 3 May
DUB
Dublin
SPI
Springfield
€818 Return, found 2 days ago
€818
Return
found 2 days ago
Select British Airways flight, departing Thu, 30 Apr from Dublin to Springfield, returning Sun, 3 May, priced at €818 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.

Scandinavian Airlines
Fri, 4 Sept - Fri, 11 Sept
DUB
Dublin
STL
St. Louis
€716 Return, found 2 days ago
€716
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, 4 Sept from Dublin to St. Louis, returning Fri, 11 Sept, priced at €716 found 2 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. €135 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 €135 and €818. Many lucky travellers purchased one-way tickets from Chicago (ORD) for as little as €84.
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 €135 and €818. 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.

Explore a world of travel with Expedia

*Available to Expedia members.