Cheap flights to Franklin County

View €66 flight on Wed, 4 Feb 2026Opens in a new window

Popular airlines to Franklin County

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to Franklin County

Prices were available within the past 7 days and start at €66 for one-way flights and €131 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 4 Feb - Wed, 11 Feb
ORD
Chicago
STL
St. Louis
€131 Return, found 1 day ago
€131
Return
found 1 day ago
Select American Airlines flight, departing Wed, 4 Feb from Chicago to St. Louis, returning Wed, 11 Feb, priced at €131 found 1 day ago
Delta
Wed, 4 Feb - Wed, 11 Feb
ORD
Chicago
STL
St. Louis
€147 Return, found 1 day ago
€147
Return
found 1 day ago
Select Delta flight, departing Wed, 4 Feb from Chicago to St. Louis, returning Wed, 11 Feb, priced at €147 found 1 day ago
United
Wed, 4 Feb - Wed, 11 Feb
ORD
Chicago
STL
St. Louis
€182 Return, found 1 day ago
€182
Return
found 1 day ago
Select United flight, departing Wed, 4 Feb from Chicago to St. Louis, returning Wed, 11 Feb, priced at €182 found 1 day ago
American Airlines
Tue, 27 Jan - Sun, 1 Feb
CLE
Cleveland
STL
St. Louis
€222 Return, found 23 hours ago
€222
Return
found 23 hours ago
Select American Airlines flight, departing Tue, 27 Jan from Cleveland to St. Louis, returning Sun, 1 Feb, priced at €222 found 23 hours ago
American Airlines
Mon, 9 Feb - Tue, 17 Feb
SMF
Sacramento
STL
St. Louis
€280 Return, found 20 hours ago
€280
Return
found 20 hours ago
Select American Airlines flight, departing Mon, 9 Feb from Sacramento to St. Louis, returning Tue, 17 Feb, priced at €280 found 20 hours ago
American Airlines
Fri, 9 Jan - Sun, 18 Jan
LAS
Las Vegas
STL
St. Louis
€280 Return, found 21 hours ago
€280
Return
found 21 hours ago
Select American Airlines flight, departing Fri, 9 Jan from Las Vegas to St. Louis, returning Sun, 18 Jan, priced at €280 found 21 hours ago
American Airlines
Sat, 10 Jan - Wed, 14 Jan
BDL
Hartford
STL
St. Louis
€335 Return, found 13 hours ago
€335
Return
found 13 hours ago
Select American Airlines flight, departing Sat, 10 Jan from Hartford to St. Louis, returning Wed, 14 Jan, priced at €335 found 13 hours ago
Aer Lingus
Tue, 5 May - Tue, 12 May
DUB
Dublin
STL
St. Louis
€722 Return, found 1 day ago
€722
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Tue, 12 May, priced at €722 found 1 day ago
British Airways
Thu, 5 Feb - Wed, 18 Feb
AMS
Amsterdam
STL
St. Louis
€728 Return, found 1 day ago
€728
Return
found 1 day ago
Select British Airways flight, departing Thu, 5 Feb from Amsterdam to St. Louis, returning Wed, 18 Feb, priced at €728 found 1 day ago
Iberia
Thu, 5 Feb - Wed, 18 Feb
AMS
Amsterdam
STL
St. Louis
€738 Return, found 1 day ago
€738
Return
found 1 day ago
Select Iberia flight, departing Thu, 5 Feb from Amsterdam to St. Louis, returning Wed, 18 Feb, priced at €738 found 1 day ago

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.

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. €131 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 €66 in the last seven days. Round-trip journeys to Franklin County ranged from only €131 to €738 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 €131 and €738. 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.

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.

Aer Lingus
Tue, 5 May - Tue, 12 May
DUB
Dublin
STL
St. Louis
€722 Return, found 1 day ago
€722
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 5 May from Dublin to St. Louis, returning Tue, 12 May, priced at €722 found 1 day ago
*Available to Expedia members.