£405 Cheap Flights to Marion County

View £405 flight on Wed, 7 Oct 2026Opens in a new window

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Popular airlines to Marion County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Spirit Airlines

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Cheap round-trip flights to Marion County

Prices were available within the past 7 days and start at £405 for one-way flights and £633 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 2 Sept - Tue, 15 Sept
LHR
London
STL
St. Louis
£633 Return, found 6 hours ago
£633
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 2 Sept from London to St. Louis, returning Tue, 15 Sept, priced at £633 found 6 hours ago
American Airlines
Wed, 16 Sept - Tue, 29 Sept
LHR
London
STL
St. Louis
£633 Return, found 9 hours ago
£633
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 16 Sept from London to St. Louis, returning Tue, 29 Sept, priced at £633 found 9 hours ago
British Airways
Wed, 2 Sept - Tue, 15 Sept
LHR
London
STL
St. Louis
£646 Return, found 6 hours ago
£646
Return
found 6 hours ago
Select British Airways flight, departing Wed, 2 Sept from London to St. Louis, returning Tue, 15 Sept, priced at £646 found 6 hours ago
Iberia
Sun, 20 Sept - Sun, 4 Oct
LHR
London
STL
St. Louis
£651 Return, found 7 hours ago
£651
Return
found 7 hours ago
Select Iberia flight, departing Sun, 20 Sept from London to St. Louis, returning Sun, 4 Oct, priced at £651 found 7 hours ago
KLM
Sun, 6 Sept - Sun, 20 Sept
LHR
London
STL
St. Louis
£654 Return, found 3 days ago
£654
Return
found 3 days ago
Select KLM flight, departing Sun, 6 Sept from London to St. Louis, returning Sun, 20 Sept, priced at £654 found 3 days ago
Air France
Sun, 6 Sept - Sun, 20 Sept
LHR
London
STL
St. Louis
£659 Return, found 3 days ago
£659
Return
found 3 days ago
Select Air France flight, departing Sun, 6 Sept from London to St. Louis, returning Sun, 20 Sept, priced at £659 found 3 days ago
Virgin Atlantic
Sun, 4 Oct - Mon, 12 Oct
LHR
London
STL
St. Louis
£659 Return, found 2 days ago
£659
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 4 Oct from London to St. Louis, returning Mon, 12 Oct, priced at £659 found 2 days ago
Finnair
Tue, 6 Oct - Wed, 14 Oct
LHR
London
STL
St. Louis
£663 Return, found 6 days ago
£663
Return
found 6 days ago
Select Finnair flight, departing Tue, 6 Oct from London to St. Louis, returning Wed, 14 Oct, priced at £663 found 6 days ago
Delta
Wed, 16 Sept - Sun, 20 Sept
LHR
London
STL
St. Louis
£667 Return, found 5 hours ago
£667
Return
found 5 hours ago
Select Delta flight, departing Wed, 16 Sept from London to St. Louis, returning Sun, 20 Sept, priced at £667 found 5 hours ago
Iberia
Tue, 17 Nov - Mon, 30 Nov
LGW
London
STL
St. Louis
£672 Return, found 2 days ago
£672
Return
found 2 days ago
Select Iberia flight, departing Tue, 17 Nov from London to St. Louis, returning Mon, 30 Nov, priced at £672 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.

American Airlines
Wed, 2 Sept - Tue, 15 Sept
LHR
London
STL
St. Louis
£633 Return, found 6 hours ago
£633
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 2 Sept from London to St. Louis, returning Tue, 15 Sept, priced at £633 found 6 hours 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. £633 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 £633 and £672. Many lucky travellers purchased one-way tickets from London (LHR) for as little as £405.
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.
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 £633 and £672. 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

Top tips for booking flights to Marion County from UK

Get ready to fly to Marion County

Prepare your luggage and book your flights to Marion County with Expedia. We offer a seamless flight booking experience, with a wide range of Marion County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Marion County in 2026, we are always available to assist you. Book your flights to Marion County today and let the adventure begin!

Find the best tickets to Marion County

To find some of the best tickets to Marion County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Marion County or last-minute flights to Marion County, you can filter and sort your search results, making it easy to find the ideal flight to Marion County.

Airlines fly to Marion County

There are 20 different airlines that fly to Marion County including some of the most trusted names in the business. To book flights to Marion County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Marion County plane tickets.

Find the cheapest flights to Marion County

By booking early you may find some of the best deals for Marion County flights from the UK, including Marion County direct flights. You can usually find affordable and cheap flights to Marion County, whether one-way from £405 or round-trip from £633, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Marion County

Try searching for different Marion County airports with Expedia to find some of the cheapest flights to Marion County. Flights from London (LHR) to St. Louis (STL) usually have the lowest price from £405.

Why book your flights to Marion County with Expedia

Expedia offers great deals on Marion County air fares from £405 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Marion County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Marion County from UK

Travel information

Marion County Flights Information

Airlines serving
Lufthansa, Austrian Airlines, American Airlines, Swiss International Air Lines, British Airways, Iberia, Air Canada, Virgin Atlantic, KLM, Finnair, Air France, Delta
Roundtrip price
from £633
Marion County Flights Information

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