Cheap Flights to Franklin County from ₩373,100

Popular airlines to Franklin County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Franklin County?

Prices were available within the past 7 days and start at ₩373,100 for one-way flights and ₩849,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 16 - Sat, Oct 18
ICN
Seoul
STL
St. Louis
₩849,500 Roundtrip, found 2 days ago
₩849,500
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 16 from Seoul to St. Louis, returning Sat, Oct 18, priced at ₩849,500 found 2 days ago
American Airlines
Thu, Oct 16 - Wed, Oct 22
ICN
Seoul
STL
St. Louis
₩879,400 Roundtrip, found 1 day ago
₩879,400
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 16 from Seoul to St. Louis, returning Wed, Oct 22, priced at ₩879,400 found 1 day ago
American Airlines
Wed, Sep 17 - Mon, Sep 29
ICN
Seoul
STL
St. Louis
₩879,800 Roundtrip, found 2 hours ago
₩879,800
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Sep 17 from Seoul to St. Louis, returning Mon, Sep 29, priced at ₩879,800 found 2 hours ago
Delta
Tue, Dec 23 - Thu, Jan 8
ICN
Seoul
STL
St. Louis
₩883,200 Roundtrip, found 1 day ago
₩883,200
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 23 from Seoul to St. Louis, returning Thu, Jan 8, priced at ₩883,200 found 1 day ago
Delta
Wed, Sep 17 - Sun, Sep 28
ICN
Seoul
STL
St. Louis
₩883,600 Roundtrip, found 2 hours ago
₩883,600
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Sep 17 from Seoul to St. Louis, returning Sun, Sep 28, priced at ₩883,600 found 2 hours ago
American Airlines
Thu, Oct 16 - Sat, Oct 18
ICN
Seoul
STL
St. Louis
₩889,700 Roundtrip, found 2 days ago
₩889,700
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 16 from Seoul to St. Louis, returning Sat, Oct 18, priced at ₩889,700 found 2 days ago
Delta
Tue, Dec 23 - Mon, Feb 16
ICN
Seoul
STL
St. Louis
₩901,400 Roundtrip, found 1 day ago
₩901,400
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Dec 23 from Seoul to St. Louis, returning Mon, Feb 16, priced at ₩901,400 found 1 day ago
United
Wed, Sep 17 - Sun, Sep 21
ICN
Seoul
STL
St. Louis
₩919,300 Roundtrip, found 5 days ago
₩919,300
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 17 from Seoul to St. Louis, returning Sun, Sep 21, priced at ₩919,300 found 5 days ago
Korean Air
Tue, Dec 23 - Mon, Feb 16
ICN
Seoul
STL
St. Louis
₩983,200 Roundtrip, found 1 day ago
₩983,200
Roundtrip
found 1 day ago
Select Korean Air flight, departing Tue, Dec 23 from Seoul to St. Louis, returning Mon, Feb 16, priced at ₩983,200 found 1 day ago
Alaska Airlines
Sat, Oct 18 - Sat, Oct 25
ICN
Seoul
STL
St. Louis
₩1,118,300 Roundtrip, found 2 days ago
₩1,118,300
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 18 from Seoul to St. Louis, returning Sat, Oct 25, priced at ₩1,118,300 found 2 days ago

About Franklin County

Expedia offers flights to Franklin County to meet every traveler'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. ₩849,500 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 Oahu (HNL), you could've nabbed a cheap ticket for just ₩373,100 in the last seven days. Round-trip journeys to Franklin County ranged from only ₩849,500 to ₩1,118,300 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 ₩849,500 and ₩1,118,300. 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.

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.

American Airlines
Thu, Oct 16 - Sat, Oct 18
ICN
Seoul
STL
St. Louis
₩849,500 Roundtrip, found 2 days ago
₩849,500
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 16 from Seoul to St. Louis, returning Sat, Oct 18, priced at ₩849,500 found 2 days ago
*Available to Expedia members.