Cheap flights to Franklin County

View €94 flight on Mon, 8 Jun 2026Opens in a new window

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Popular airlines to Franklin County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska 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 €94 for one-way flights and €269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 11 Jun - Mon, 15 Jun
BWI
Baltimore
STL
St. Louis
€269 Return, found 5 hours ago
€269
Return
found 5 hours ago
Select American Airlines flight, departing Thu, 11 Jun from Baltimore to St. Louis, returning Mon, 15 Jun, priced at €269 found 5 hours ago
Delta
Thu, 11 Jun - Mon, 15 Jun
IAD
Washington
STL
St. Louis
€269 Return, found 5 hours ago
€269
Return
found 5 hours ago
Select Delta flight, departing Thu, 11 Jun from Washington to St. Louis, returning Mon, 15 Jun, priced at €269 found 5 hours ago
Delta
Thu, 11 Jun - Mon, 15 Jun
BWI
Baltimore
STL
St. Louis
€269 Return, found 5 hours ago
€269
Return
found 5 hours ago
Select Delta flight, departing Thu, 11 Jun from Baltimore to St. Louis, returning Mon, 15 Jun, priced at €269 found 5 hours ago
Delta
Sat, 27 Jun - Mon, 29 Jun
IAD
Washington
STL
St. Louis
€288 Return, found 1 day ago
€288
Return
found 1 day ago
Select Delta flight, departing Sat, 27 Jun from Washington to St. Louis, returning Mon, 29 Jun, priced at €288 found 1 day ago
Delta
Thu, 11 Jun - Mon, 15 Jun
IAD
Washington
STL
St. Louis
€289 Return, found 5 hours ago
€289
Return
found 5 hours ago
Select Delta flight, departing Thu, 11 Jun from Washington to St. Louis, returning Mon, 15 Jun, priced at €289 found 5 hours ago
American Airlines
Fri, 14 Aug - Sat, 15 Aug
LGA
New York
STL
St. Louis
€291 Return, found 3 days ago
€291
Return
found 3 days ago
Select American Airlines flight, departing Fri, 14 Aug from New York to St. Louis, returning Sat, 15 Aug, priced at €291 found 3 days ago
American Airlines
Sat, 27 Jun - Mon, 29 Jun
IAD
Washington
STL
St. Louis
€297 Return, found 1 day ago
€297
Return
found 1 day ago
Select American Airlines flight, departing Sat, 27 Jun from Washington to St. Louis, returning Mon, 29 Jun, priced at €297 found 1 day ago
United
Thu, 11 Jun - Mon, 15 Jun
IAD
Washington
STL
St. Louis
€338 Return, found 5 hours ago
€338
Return
found 5 hours ago
Select United flight, departing Thu, 11 Jun from Washington to St. Louis, returning Mon, 15 Jun, priced at €338 found 5 hours ago
British Airways
Wed, 11 Nov - Mon, 16 Nov
DUB
Dublin
STL
St. Louis
€840 Return, found 4 days ago
€840
Return
found 4 days ago
Select British Airways flight, departing Wed, 11 Nov from Dublin to St. Louis, returning Mon, 16 Nov, priced at €840 found 4 days ago
Finnair
Thu, 21 May - Wed, 3 Jun
DUB
Dublin
STL
St. Louis
€863 Return, found 3 days ago
€863
Return
found 3 days ago
Select Finnair flight, departing Thu, 21 May from Dublin to St. Louis, returning Wed, 3 Jun, priced at €863 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.

American Airlines
Wed, 11 Nov - Mon, 16 Nov
DUB
Dublin
STL
St. Louis
€821 Return, found 4 days ago
€821
Return
found 4 days ago
Select American Airlines flight, departing Wed, 11 Nov from Dublin to St. Louis, returning Mon, 16 Nov, priced at €821 found 4 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. €269 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 Orlando (MCO), you could've nabbed a cheap ticket for just €94 in the last seven days. Round-trip journeys to Franklin County ranged from only €269 to €863 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 €269 and €863. 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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