Cheap flights to Marion County

View €364 flight on Tue, 5 May 2026Opens in a new window

Popular airlines to Marion County

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap round-trip flights to Marion County

Prices were available within the past 7 days and start at €364 for one-way flights and €590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, 5 May - Sat, 9 May
DUB
Dublin
STL
St. Louis
€590 Return, found 2 days ago
€590
Return
found 2 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Sat, 9 May, priced at €590 found 2 days ago
Aer Lingus
Tue, 5 May - Sat, 9 May
DUB
Dublin
STL
St. Louis
€594 Return, found 2 days ago
€594
Return
found 2 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Sat, 9 May, priced at €594 found 2 days ago
British Airways
Wed, 21 Jan - Sun, 25 Jan
SOF
Sofia
STL
St. Louis
€606 Return, found 5 days ago
€606
Return
found 5 days ago
Select British Airways flight, departing Wed, 21 Jan from Sofia to St. Louis, returning Sun, 25 Jan, priced at €606 found 5 days ago
Aer Lingus
Tue, 5 May - Sat, 9 May
DUB
Dublin
STL
St. Louis
€614 Return, found 2 days ago
€614
Return
found 2 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Sat, 9 May, priced at €614 found 2 days ago
American Airlines
Thu, 22 Jan - Mon, 26 Jan
DUB
Dublin
SPI
Springfield
€633 Return, found 3 days ago
€633
Return
found 3 days ago
Select American Airlines flight, departing Thu, 22 Jan from Dublin to Springfield, returning Mon, 26 Jan, priced at €633 found 3 days ago
American Airlines
Sat, 24 Jan - Wed, 28 Jan
DUB
Dublin
EVV
Evansville
€633 Return, found 2 days ago
€633
Return
found 2 days ago
Select American Airlines flight, departing Sat, 24 Jan from Dublin to Evansville, returning Wed, 28 Jan, priced at €633 found 2 days ago
Lufthansa
Fri, 3 Apr - Wed, 15 Apr
SOF
Sofia
STL
St. Louis
€641 Return, found 1 day ago
€641
Return
found 1 day ago
Select Lufthansa flight, departing Fri, 3 Apr from Sofia to St. Louis, returning Wed, 15 Apr, priced at €641 found 1 day ago
United
Fri, 17 Apr - Sat, 9 May
SOF
Sofia
STL
St. Louis
€664 Return, found 23 hours ago
€664
Return
found 23 hours ago
Select United flight, departing Fri, 17 Apr from Sofia to St. Louis, returning Sat, 9 May, priced at €664 found 23 hours ago
KLM
Tue, 5 May - Sat, 9 May
SOF
Sofia
STL
St. Louis
€692 Return, found 23 hours ago
€692
Return
found 23 hours ago
Select KLM flight, departing Tue, 5 May from Sofia to St. Louis, returning Sat, 9 May, priced at €692 found 23 hours ago
Air France
Fri, 13 Mar - Sat, 21 Mar
SOF
Sofia
STL
St. Louis
€694 Return, found 17 hours ago
€694
Return
found 17 hours ago
Select Air France flight, departing Fri, 13 Mar from Sofia to St. Louis, returning Sat, 21 Mar, priced at €694 found 17 hours ago

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.

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. €590 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 €590 and €704. Many lucky travellers purchased one-way tickets from Dublin (DUB) for as little as €364.
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 €590 and €704. 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.

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.

Aer Lingus
Tue, 5 May - Sat, 9 May
DUB
Dublin
STL
St. Louis
€590 Return, found 2 days ago
€590
Return
found 2 days ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Sat, 9 May, priced at €590 found 2 days ago
*Available to Expedia members.