Cheap Flights to Franklin County | Popular Routes to Franklin County from HK$693

View HK$693 flight on Tue, 17 Feb 2026Opens in a new window

Popular airlines to Franklin County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • 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 HK$693 for one-way flights and HK$2,245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,245 Return, found 5 hours ago
HK$2,245
Return
found 5 hours ago
Select Delta flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,245 found 5 hours ago
United
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,417 Return, found 5 hours ago
HK$2,417
Return
found 5 hours ago
Select United flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,417 found 5 hours ago
Alaska Airlines
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$2,758 Return, found 5 hours ago
HK$2,758
Return
found 5 hours ago
Select Alaska Airlines flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$2,758 found 5 hours ago
American Airlines
Fri, 13 Feb - Sat, 14 Feb
SEA
Seattle
STL
St. Louis
HK$3,105 Return, found 5 hours ago
HK$3,105
Return
found 5 hours ago
Select American Airlines flight, departing Fri, 13 Feb from Seattle to St. Louis, returning Sat, 14 Feb, priced at HK$3,105 found 5 hours ago
Delta
Tue, 13 Jan - Sat, 17 Jan
LAS
Las Vegas
STL
St. Louis
HK$3,514 Return, found 1 day ago
HK$3,514
Return
found 1 day ago
Select Delta flight, departing Tue, 13 Jan from Las Vegas to St. Louis, returning Sat, 17 Jan, priced at HK$3,514 found 1 day ago
Delta
Sat, 7 Mar - Tue, 17 Mar
HND
Tokyo
STL
St. Louis
HK$6,889 Return, found 22 hours ago
HK$6,889
Return
found 22 hours ago
Select Delta flight, departing Sat, 7 Mar from Tokyo to St. Louis, returning Tue, 17 Mar, priced at HK$6,889 found 22 hours ago
Hawaiian Airlines
Thu, 5 Mar - Mon, 16 Mar
NRT
Tokyo
STL
St. Louis
HK$7,018 Return, found 22 hours ago
HK$7,018
Return
found 22 hours ago
Select Hawaiian Airlines flight, departing Thu, 5 Mar from Tokyo to St. Louis, returning Mon, 16 Mar, priced at HK$7,018 found 22 hours ago
China Airlines
Mon, 26 Jan - Sat, 31 Jan
HKG
Hong Kong SAR
STL
St. Louis
HK$7,119 Return, found 1 hour ago
HK$7,119
Return
found 1 hour ago
Select China Airlines flight, departing Mon, 26 Jan from Hong Kong SAR to St. Louis, returning Sat, 31 Jan, priced at HK$7,119 found 1 hour ago
Delta
Wed, 4 Mar - Mon, 16 Mar
KIX
Osaka
STL
St. Louis
HK$7,229 Return, found 22 hours ago
HK$7,229
Return
found 22 hours ago
Select Delta flight, departing Wed, 4 Mar from Osaka to St. Louis, returning Mon, 16 Mar, priced at HK$7,229 found 22 hours ago
United
Sun, 1 Feb - Sat, 7 Feb
PVG
Shanghai
STL
St. Louis
HK$7,649 Return, found 2 days ago
HK$7,649
Return
found 2 days ago
Select United flight, departing Sun, 1 Feb from Shanghai to St. Louis, returning Sat, 7 Feb, priced at HK$7,649 found 2 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.

China Airlines
Mon, 26 Jan - Sat, 31 Jan
HKG
Hong Kong SAR
STL
St. Louis
HK$7,119 Return, found 1 hour ago
HK$7,119
Return
found 1 hour ago
Select China Airlines flight, departing Mon, 26 Jan from Hong Kong SAR to St. Louis, returning Sat, 31 Jan, priced at HK$7,119 found 1 hour 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. HK$2,245 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 HK$693 in the last seven days. Round-trip journeys to Franklin County ranged from only HK$2,245 to HK$7,649 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 HK$2,245 and HK$7,649. 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.

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About Franklin County

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About Franklin County

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