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Cheap flights to Franklin County

View €52 flight on Tue, 18 Aug 2026Opens in a new window

Flight 1

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Popular airlines to Franklin County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Franklin County

Prices were available within the past 7 days and start at €52 for one-way flights and €113 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 25 Sept - Sat, 26 Sept
ATL
Atlanta
STL
St. Louis
€113 Return, found 1 day ago
€113
Return
found 1 day ago
Select Delta flight, departing Fri, 25 Sept from Atlanta to St. Louis, returning Sat, 26 Sept, priced at €113 found 1 day ago
American Airlines
Sat, 8 Aug - Mon, 10 Aug
ORD
Chicago
STL
St. Louis
€137 Return, just found
€137
Return
just found
Select American Airlines flight, departing Sat, 8 Aug from Chicago to St. Louis, returning Mon, 10 Aug, priced at €137 just found
United
Sat, 8 Aug - Mon, 10 Aug
ORD
Chicago
STL
St. Louis
€198 Return, just found
€198
Return
just found
Select United flight, departing Sat, 8 Aug from Chicago to St. Louis, returning Mon, 10 Aug, priced at €198 just found
Delta
Tue, 13 Oct - Sat, 17 Oct
IAD
Washington
STL
St. Louis
€226 Return, found 1 day ago
€226
Return
found 1 day ago
Select Delta flight, departing Tue, 13 Oct from Washington to St. Louis, returning Sat, 17 Oct, priced at €226 found 1 day ago
Delta
Wed, 5 Aug - Tue, 11 Aug
BOS
Boston
STL
St. Louis
€272 Return, found 20 hours ago
€272
Return
found 20 hours ago
Select Delta flight, departing Wed, 5 Aug from Boston to St. Louis, returning Tue, 11 Aug, priced at €272 found 20 hours ago
United
Mon, 27 Jul - Fri, 14 Aug
SOF
Sofia
STL
St. Louis
€735 Return, found 4 days ago
€735
Return
found 4 days ago
Select United flight, departing Mon, 27 Jul from Sofia to St. Louis, returning Fri, 14 Aug, priced at €735 found 4 days ago
Lufthansa
Wed, 30 Sept - Fri, 21 May
SOF
Sofia
STL
St. Louis
€738 Return, found 10 hours ago
€738
Return
found 10 hours ago
Select Lufthansa flight, departing Wed, 30 Sept from Sofia to St. Louis, returning Fri, 21 May, priced at €738 found 10 hours ago
Swiss International Air Lines
Tue, 22 Sept - Tue, 29 Sept
LHR
London
STL
St. Louis
€742 Return, found 7 hours ago
€742
Return
found 7 hours ago
Select Swiss International Air Lines flight, departing Tue, 22 Sept from London to St. Louis, returning Tue, 29 Sept, priced at €742 found 7 hours ago
British Airways
Wed, 30 Sept - Fri, 21 May
SOF
Sofia
STL
St. Louis
€743 Return, found 10 hours ago
€743
Return
found 10 hours ago
Select British Airways flight, departing Wed, 30 Sept from Sofia to St. Louis, returning Fri, 21 May, priced at €743 found 10 hours ago
Austrian Airlines
Thu, 23 Jul - Fri, 25 Sept
RMO
Chișinău
STL
St. Louis
€752 Return, found 1 day ago
€752
Return
found 1 day ago
Select Austrian Airlines flight, departing Thu, 23 Jul from Chișinău to St. Louis, returning Fri, 25 Sept, priced at €752 found 1 day 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, 19 Nov - Mon, 23 Nov
DUB
Dublin
STL
St. Louis
€875 Return, found 3 days ago
€875
Return
found 3 days ago
Select Iberia flight, departing Thu, 19 Nov from Dublin to St. Louis, returning Mon, 23 Nov, priced at €875 found 3 days 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. €113 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 Chicago (ORD), you could've nabbed a cheap ticket for just €52 in the last seven days. Round-trip journeys to Franklin County ranged from only €113 to €875 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 €113 and €875. 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
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