Cheap Flights to Marion County from ₩865,200

View ₩865,200 flight on Fri, Feb 20, 2026Opens in a new window

Popular airlines to Marion County

  • Asiana Airlines

    Asiana Airlines

  • T'way Air with baggage

    T'way Air with baggage

  • Korean Air

    Korean Air

  • Peach

    Peach

  • HK Express

    HK Express

  • JIN AIR

    JIN AIR

  • AirAsia Philippines

    AirAsia Philippines

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How much is the cheapest flight to Marion County?

Prices were available within the past 7 days and start at ₩865,200 for one-way flights and ₩1,072,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 30 - Mon, Feb 9
ICN
Seoul
STL
St. Louis
₩1,072,300 Roundtrip, found 3 days ago
₩1,072,300
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Mon, Feb 9, priced at ₩1,072,300 found 3 days ago
United
Sat, Jan 31 - Wed, Feb 4
ICN
Seoul
STL
St. Louis
₩1,147,100 Roundtrip, found 6 days ago
₩1,147,100
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 31 from Seoul to St. Louis, returning Wed, Feb 4, priced at ₩1,147,100 found 6 days ago
United
Thu, Jan 15 - Thu, Jan 22
ICN
Seoul
STL
St. Louis
₩1,222,300 Roundtrip, found 3 days ago
₩1,222,300
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jan 15 from Seoul to St. Louis, returning Thu, Jan 22, priced at ₩1,222,300 found 3 days ago
United
Thu, Jan 29 - Tue, Feb 10
ICN
Seoul
STL
St. Louis
₩1,270,000 Roundtrip, found 6 days ago
₩1,270,000
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jan 29 from Seoul to St. Louis, returning Tue, Feb 10, priced at ₩1,270,000 found 6 days ago
United
Thu, Jan 29 - Mon, Feb 9
ICN
Seoul
STL
St. Louis
₩1,270,200 Roundtrip, found 3 days ago
₩1,270,200
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jan 29 from Seoul to St. Louis, returning Mon, Feb 9, priced at ₩1,270,200 found 3 days ago
United
Fri, Jan 30 - Tue, Feb 10
ICN
Seoul
STL
St. Louis
₩1,285,300 Roundtrip, found 6 days ago
₩1,285,300
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Tue, Feb 10, priced at ₩1,285,300 found 6 days ago
Alaska Airlines
Mon, Mar 30 - Mon, Apr 13
ICN
Seoul
STL
St. Louis
₩1,439,000 Roundtrip, found 23 hours ago
₩1,439,000
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Mon, Mar 30 from Seoul to St. Louis, returning Mon, Apr 13, priced at ₩1,439,000 found 23 hours ago
Air Canada
Fri, Feb 20 - Mon, Mar 2
ICN
Seoul
STL
St. Louis
₩1,464,000 Roundtrip, found 23 hours ago
₩1,464,000
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Mon, Mar 2, priced at ₩1,464,000 found 23 hours ago
Hawaiian Airlines
Wed, Apr 1 - Sun, Apr 12
ICN
Seoul
STL
St. Louis
₩1,468,900 Roundtrip, found 23 hours ago
₩1,468,900
Roundtrip
found 23 hours ago
Select Hawaiian Airlines flight, departing Wed, Apr 1 from Seoul to St. Louis, returning Sun, Apr 12, priced at ₩1,468,900 found 23 hours ago
Delta
Sun, Feb 1 - Mon, Mar 30
ICN
Seoul
STL
St. Louis
₩1,880,300 Roundtrip, found 2 hours ago
₩1,880,300
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Feb 1 from Seoul to St. Louis, returning Mon, Mar 30, priced at ₩1,880,300 found 2 hours ago

About Marion County

Expedia offers flights to Marion County to meet every traveler'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. ₩1,072,300 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 ₩1,072,300 and ₩1,880,300. Many lucky travelers purchased one-way tickets from Seoul (ICN) for as little as ₩865,200.
What are the most popular airports to fly into in Marion County?
Start organizing your Marion County vacation 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.
When is the cheapest time to fly to Marion County?
Leave for Marion County early on in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to jump on a plane, closely followed by Monday. If you're eager to avoid the costliest flights, give Saturdays a wide berth.
How much is a plane ticket to Marion County?
In the last seven days, airfares ranged between ₩1,072,300 and ₩1,880,300. 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 65ºF to 80ºF 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, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jan 30 - Mon, Feb 9
ICN
Seoul
STL
St. Louis
₩1,072,300 Roundtrip, found 3 days ago
₩1,072,300
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 30 from Seoul to St. Louis, returning Mon, Feb 9, priced at ₩1,072,300 found 3 days ago
*Available to Expedia members.