Cheap flights to Franklin County

View €113 flight on Sat, 25 Apr 2026Opens in a new window

Popular airlines to Franklin County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

  • 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 Franklin County

Prices were available within the past 7 days and start at €113 for one-way flights and €208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 25 Apr - Sat, 2 May
CLT
Charlotte
STL
St. Louis
€208 Return, found 1 day ago
€208
Return
found 1 day ago
Select American Airlines flight, departing Sat, 25 Apr from Charlotte to St. Louis, returning Sat, 2 May, priced at €208 found 1 day ago
Delta
Sat, 25 Apr - Sat, 2 May
CLT
Charlotte
STL
St. Louis
€225 Return, found 1 day ago
€225
Return
found 1 day ago
Select Delta flight, departing Sat, 25 Apr from Charlotte to St. Louis, returning Sat, 2 May, priced at €225 found 1 day ago
American Airlines
Thu, 23 Apr - Mon, 27 Apr
LGA
New York
STL
St. Louis
€275 Return, found 4 hours ago
€275
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 23 Apr from New York to St. Louis, returning Mon, 27 Apr, priced at €275 found 4 hours ago
Delta
Tue, 28 Apr - Tue, 28 Apr
EWR
New York
STL
St. Louis
€290 Return, found 1 day ago
€290
Return
found 1 day ago
Select Delta flight, departing Tue, 28 Apr from New York to St. Louis, returning Tue, 28 Apr, priced at €290 found 1 day ago
Delta
Thu, 23 Apr - Mon, 27 Apr
JFK
New York
STL
St. Louis
€292 Return, found 4 hours ago
€292
Return
found 4 hours ago
Select Delta flight, departing Thu, 23 Apr from New York to St. Louis, returning Mon, 27 Apr, priced at €292 found 4 hours ago
Delta
Thu, 7 May - Wed, 13 May
GSP
Greenville
STL
St. Louis
€294 Return, found 15 hours ago
€294
Return
found 15 hours ago
Select Delta flight, departing Thu, 7 May from Greenville to St. Louis, returning Wed, 13 May, priced at €294 found 15 hours ago
United
Sat, 25 Apr - Sat, 2 May
CLT
Charlotte
STL
St. Louis
€294 Return, found 1 day ago
€294
Return
found 1 day ago
Select United flight, departing Sat, 25 Apr from Charlotte to St. Louis, returning Sat, 2 May, priced at €294 found 1 day ago
Finnair
Wed, 7 Oct - Wed, 14 Oct
LHR
London
STL
St. Louis
€763 Return, found 3 days ago
€763
Return
found 3 days ago
Select Finnair flight, departing Wed, 7 Oct from London to St. Louis, returning Wed, 14 Oct, priced at €763 found 3 days ago
Finnair
Wed, 7 Oct - Wed, 14 Oct
LHR
London
STL
St. Louis
€766 Return, found 3 days ago
€766
Return
found 3 days ago
Select Finnair flight, departing Wed, 7 Oct from London to St. Louis, returning Wed, 14 Oct, priced at €766 found 3 days ago
Iberia
Wed, 7 Oct - Wed, 14 Oct
LHR
London
STL
St. Louis
€766 Return, found 3 days ago
€766
Return
found 3 days ago
Select Iberia flight, departing Wed, 7 Oct from London to St. Louis, returning Wed, 14 Oct, priced at €766 found 3 days ago

Trending flights to Franklin 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.

Iberia
Thu, 26 Nov - Mon, 7 Dec
DUB
Dublin
STL
St. Louis
€823 Return, found 21 hours ago
€823
Return
found 21 hours ago
Select Iberia flight, departing Thu, 26 Nov from Dublin to St. Louis, returning Mon, 7 Dec, priced at €823 found 21 hours ago

Frequently asked questions

How do I find cheap flights to Franklin County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to provide you with the most flexible airfares in town. Simply check the "No change fee" box right underneath the "Flexible change policies" heading to find your perfect flight to Franklin County.
Which airlines fly to Franklin County?
With a great range of airlines operating flights into or near Franklin County, the choice is yours:

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

How can I find cheap tickets to Franklin County?
You'll always walk away with an awesome deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred travel date, then check the flexible dates box above to reveal the cheapest prices for nearby days. €208 was the cheapest price for a flight to Franklin County in the last seven days.
How much is a flight to Franklin County?
If you were flying one way from Charlotte (CLT), you could've nabbed a cheap ticket for just €113 in the last seven days. Round-trip journeys to Franklin County ranged from only €208 to €823 during this same period.
What are the most popular airports to fly into in Franklin County?
Get ready to pack your bags and jet into Lambert-St. Louis Intl. Airport (STL), Franklin County's main flight hub. Secure a seat on one of the 4,902 flights that land here every month.
How much is a plane ticket to Franklin County?
In the last seven days, airfares to Franklin County ranged between €208 and €823. Prices tend to rise over time, so find a top deal today.
What is the best time to go to Franklin County?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a fantastic time to visit the top Franklin County city of Washington. Average temperatures fluctuate between 18ºC and 29ºC throughout this season. The biggest crowds flock here in April, June and September.
What months are the cheapest to book a flight to Franklin County?
The best month to book low-cost airfares to Franklin County is February. Bear in mind that in the U.S, an expensive time to secure a ticket is during the busy month of December.

Book with confidence

About Franklin County

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

Explore a world of travel with Expedia

*Available to Expedia members.