Flight Destinations in Franklin County

View ฿2,805 flight on Sun, 26 Apr 2026Opens in a new window

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 ฿2,805 for one-way flights and ฿5,610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 26 Apr - Thu, 30 Apr
SEA
Seattle
STL
St. Louis
฿5,610 Return, found 16 hours ago
฿5,610
Return
found 16 hours ago
Select Delta flight, departing Sun, 26 Apr from Seattle to St. Louis, returning Thu, 30 Apr, priced at ฿5,610 found 16 hours ago
American Airlines
Sat, 21 Feb - Sat, 28 Feb
SEA
Seattle
STL
St. Louis
฿7,875 Return, found 16 hours ago
฿7,875
Return
found 16 hours ago
Select American Airlines flight, departing Sat, 21 Feb from Seattle to St. Louis, returning Sat, 28 Feb, priced at ฿7,875 found 16 hours ago
United
Sat, 21 Feb - Sat, 28 Feb
SEA
Seattle
STL
St. Louis
฿9,775 Return, found 16 hours ago
฿9,775
Return
found 16 hours ago
Select United flight, departing Sat, 21 Feb from Seattle to St. Louis, returning Sat, 28 Feb, priced at ฿9,775 found 16 hours ago
American Airlines
Sat, 21 Feb - Sat, 28 Feb
SEA
Seattle
STL
St. Louis
฿10,340 Return, found 16 hours ago
฿10,340
Return
found 16 hours ago
Select American Airlines flight, departing Sat, 21 Feb from Seattle to St. Louis, returning Sat, 28 Feb, priced at ฿10,340 found 16 hours ago
Delta
Wed, 15 Apr - Fri, 1 May
LAX
Los Angeles
STL
St. Louis
฿11,005 Return, found 18 hours ago
฿11,005
Return
found 18 hours ago
Select Delta flight, departing Wed, 15 Apr from Los Angeles to St. Louis, returning Fri, 1 May, priced at ฿11,005 found 18 hours ago
Delta
Sat, 24 Jan - Sat, 31 Jan
PNS
Pensacola
STL
St. Louis
฿11,165 Return, found 22 hours ago
฿11,165
Return
found 22 hours ago
Select Delta flight, departing Sat, 24 Jan from Pensacola to St. Louis, returning Sat, 31 Jan, priced at ฿11,165 found 22 hours ago
Delta
Sat, 14 Mar - Tue, 24 Mar
BOS
Boston
STL
St. Louis
฿12,930 Return, found 10 hours ago
฿12,930
Return
found 10 hours ago
Select Delta flight, departing Sat, 14 Mar from Boston to St. Louis, returning Tue, 24 Mar, priced at ฿12,930 found 10 hours ago
Delta
Mon, 2 Mar - Fri, 6 Mar
FCA
Kalispell
STL
St. Louis
฿13,120 Return, found 17 hours ago
฿13,120
Return
found 17 hours ago
Select Delta flight, departing Mon, 2 Mar from Kalispell to St. Louis, returning Fri, 6 Mar, priced at ฿13,120 found 17 hours ago
Philippine Airlines
Tue, 5 May - Fri, 11 Sept
BKK
Bangkok
STL
St. Louis
฿28,560 Return, found 1 day ago
฿28,560
Return
found 1 day ago
Select Philippine Airlines flight, departing Tue, 5 May from Bangkok to St. Louis, returning Fri, 11 Sept, priced at ฿28,560 found 1 day ago
Air Canada
Sat, 2 May - Wed, 13 May
BKK
Bangkok
STL
St. Louis
฿31,700 Return, just found
฿31,700
Return
just found
Select Air Canada flight, departing Sat, 2 May from Bangkok to St. Louis, returning Wed, 13 May, priced at ฿31,700 just found

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. ฿5,610 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 Seattle (SEA), you could've nabbed a cheap ticket for just ฿2,805 in the last seven days. Round-trip journeys to Franklin County ranged from only ฿5,610 to ฿31,700 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 ฿5,610 and ฿31,700. 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.

Philippine Airlines
Tue, 5 May - Fri, 11 Sept
BKK
Bangkok
STL
St. Louis
฿28,560 Return, found 1 day ago
฿28,560
Return
found 1 day ago
Select Philippine Airlines flight, departing Tue, 5 May from Bangkok to St. Louis, returning Fri, 11 Sept, priced at ฿28,560 found 1 day ago
*Available to Expedia members.