Meramec Caverns. Franklin County. Missouri. USA.

Cheap Flights to Franklin County from ₩204,800

View ₩204,800 flight on Wed, Aug 19, 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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How much is the cheapest flight to Franklin County?

Prices were available within the past 7 days and start at ₩204,800 for one-way flights and ₩454,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Aug 31 - Wed, Sep 16
LAX
Los Angeles
STL
St. Louis
₩454,100 Roundtrip, found 1 day ago
₩454,100
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 31 from Los Angeles to St. Louis, returning Wed, Sep 16, priced at ₩454,100 found 1 day ago
Delta
Mon, Aug 17 - Mon, Aug 31
LAX
Los Angeles
STL
St. Louis
₩495,600 Roundtrip, found 1 day ago
₩495,600
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 17 from Los Angeles to St. Louis, returning Mon, Aug 31, priced at ₩495,600 found 1 day ago
Delta
Wed, Aug 19 - Sun, Sep 6
LAX
Los Angeles
STL
St. Louis
₩530,800 Roundtrip, found 1 day ago
₩530,800
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 19 from Los Angeles to St. Louis, returning Sun, Sep 6, priced at ₩530,800 found 1 day ago
Delta
Sat, Aug 15 - Mon, Aug 31
LAX
Los Angeles
STL
St. Louis
₩537,000 Roundtrip, found 1 day ago
₩537,000
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 15 from Los Angeles to St. Louis, returning Mon, Aug 31, priced at ₩537,000 found 1 day ago
Delta
Wed, Aug 5 - Sun, Aug 23
LAX
Los Angeles
STL
St. Louis
₩561,600 Roundtrip, found 1 day ago
₩561,600
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 5 from Los Angeles to St. Louis, returning Sun, Aug 23, priced at ₩561,600 found 1 day ago
Delta
Fri, Aug 14 - Fri, Dec 11
ONT
Ontario
STL
St. Louis
₩562,100 Roundtrip, found 1 day ago
₩562,100
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 14 from Ontario to St. Louis, returning Fri, Dec 11, priced at ₩562,100 found 1 day ago
Alaska Airlines
Wed, Jul 8 - Sat, Jul 25
LAX
Los Angeles
STL
St. Louis
₩675,100 Roundtrip, found 1 day ago
₩675,100
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jul 8 from Los Angeles to St. Louis, returning Sat, Jul 25, priced at ₩675,100 found 1 day ago
United
Wed, Jul 15 - Wed, Aug 5
LAX
Los Angeles
STL
St. Louis
₩676,700 Roundtrip, found 1 day ago
₩676,700
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 15 from Los Angeles to St. Louis, returning Wed, Aug 5, priced at ₩676,700 found 1 day ago
American Airlines
Fri, Aug 14 - Fri, Dec 11
LAX
Los Angeles
STL
St. Louis
₩711,700 Roundtrip, found 1 day ago
₩711,700
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 14 from Los Angeles to St. Louis, returning Fri, Dec 11, priced at ₩711,700 found 1 day ago
Korean Air
Mon, Dec 21 - Mon, Jan 4
ICN
Seoul
STL
St. Louis
₩2,017,700 Roundtrip, found 2 hours ago
₩2,017,700
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Mon, Dec 21 from Seoul to St. Louis, returning Mon, Jan 4, priced at ₩2,017,700 found 2 hours ago

Trending flights to Franklin County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 21 - Mon, Jan 4
ICN
Seoul
STL
St. Louis
₩1,917,700 Roundtrip, found 2 hours ago
₩1,917,700
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Dec 21 from Seoul to St. Louis, returning Mon, Jan 4, priced at ₩1,917,700 found 2 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. ₩454,100 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 Los Angeles (LAX), you could've nabbed a cheap ticket for just ₩204,800 in the last seven days. Round-trip journeys to Franklin County ranged from only ₩454,100 to ₩2,017,700 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.
When is the cheapest time to fly to Franklin County?
Consider leaving earlier in the week to score the best airfare to Franklin County. Tuesday is routinely the most affordable day to fly, with Monday a close second. Saturday often has the highest prices. This is because many travelers choose to start their trip on a weekend.
How much is a plane ticket to Franklin County?
In the last seven days, airfares to Franklin County ranged between ₩454,100 and ₩2,017,700. 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 65ºF and 85ºF 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

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About Franklin County
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