Cheap flights to Clay County

View €471 flight on Sun, 1 Nov 2026Opens in a new window

Popular airlines to Clay 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 Clay County

Prices were available within the past 7 days and start at €471 for one-way flights and €758 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,168 Return, found 21 hours ago
€1,168
Return
found 21 hours ago
Select American Airlines flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,168 found 21 hours ago
Iberia
Fri, 10 Apr - Tue, 14 Apr
LGW
London
CMI
Champaign
€1,182 Return, found 1 day ago
€1,182
Return
found 1 day ago
Select Iberia flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,182 found 1 day ago
American Airlines
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,183 Return, found 21 hours ago
€1,183
Return
found 21 hours ago
Select American Airlines flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,183 found 21 hours ago
British Airways
Sat, 11 Apr - Wed, 15 Apr
LHR
London
CMI
Champaign
€1,188 Return, found 15 hours ago
€1,188
Return
found 15 hours ago
Select British Airways flight, departing Sat, 11 Apr from London to Champaign, returning Wed, 15 Apr, priced at €1,188 found 15 hours ago
Iberia
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,192 Return, found 21 hours ago
€1,192
Return
found 21 hours ago
Select Iberia flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,192 found 21 hours ago
American Airlines
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,195 Return, found 21 hours ago
€1,195
Return
found 21 hours ago
Select American Airlines flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,195 found 21 hours ago
American Airlines
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,195 Return, found 21 hours ago
€1,195
Return
found 21 hours ago
Select American Airlines flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,195 found 21 hours ago
American Airlines
Sat, 11 Apr - Wed, 15 Apr
LHR
London
CMI
Champaign
€1,199 Return, found 15 hours ago
€1,199
Return
found 15 hours ago
Select American Airlines flight, departing Sat, 11 Apr from London to Champaign, returning Wed, 15 Apr, priced at €1,199 found 15 hours ago
Finnair
Sat, 11 Apr - Wed, 15 Apr
LHR
London
CMI
Champaign
€1,247 Return, found 15 hours ago
€1,247
Return
found 15 hours ago
Select Finnair flight, departing Sat, 11 Apr from London to Champaign, returning Wed, 15 Apr, priced at €1,247 found 15 hours ago
Aer Lingus
Fri, 10 Apr - Tue, 14 Apr
LHR
London
CMI
Champaign
€1,249 Return, found 21 hours ago
€1,249
Return
found 21 hours ago
Select Aer Lingus flight, departing Fri, 10 Apr from London to Champaign, returning Tue, 14 Apr, priced at €1,249 found 21 hours ago

Trending flights to Clay 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
Fri, 10 Apr - Tue, 14 Apr
DUB
Dublin
EVV
Evansville
€758 Return, found 1 day ago
€758
Return
found 1 day ago
Select American Airlines flight, departing Fri, 10 Apr from Dublin to Evansville, returning Tue, 14 Apr, priced at €758 found 1 day ago

Frequently asked questions

How do I find cheap flights to Clay County that have flexible change policies?
By using our neat "No change fee" filter, that's how. Just type in your preferred dates and destination, click the "Search" button, then click the checkbox directly underneath the "Flexible change policies" subheading (to the left of your screen). Expedia makes it a cinch to find affordable, flexible flights to Clay County.
Which airlines fly to Clay County?
Decide on your travel dates and then take off towards Clay County with one of these great airlines:

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

How can I find cheap tickets to Clay County?
In the last seven days, €758 was the best price for a flight to Clay County. If you want to save even more, book well in advance and be flexible with your dates. Search for your trip to Clay County, then compare prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Clay County?
There were loads of affordable fares up for grabs in the last seven days, with the cost of a return airfare to Clay County varying between €758 and €1,249. Many lucky travellers nabbed one-way flights from London (LHR) for just €471.
What are the most popular airports to fly into in Clay County?
The principal gateway to Clay County, around 4,902 flights cruise into Lambert-St. Louis Intl. Airport (STL) every month. Keep an eye out for the best deal, book your seat and get set to explore this amazing region.
How much is a plane ticket to Clay County?
Flights to Clay County varied from €758 to €1,249 in the last seven days. Generally, the sooner you make a reservation, the better the price.
What is the best time to go to Clay County?
Flora, Clay County's major city, is a wonderful destination to explore at anytime. Not a fan of chilly weather? Then venture here from June 20 onward in summer, when average temperatures range from 18ºC to 27ºC. February, October and November is when Flora is really buzzing.
What months are the cheapest to book a flight to Clay County?
The cheapest month to find an awesome deal to Clay County is February, whereas prices rise considerably in December. Keep clear of this month if you're on a tight budget.

Book with confidence

About Clay County

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

Explore a world of travel with Expedia

*Available to Expedia members.