Cheap Flights to Franklin County | Popular Routes to Franklin County from HK$2,512

View HK$2,512 flight on Sun, 10 May 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 HK$2,512 for one-way flights and HK$4,120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,120 Return, found 1 day ago
HK$4,120
Return
found 1 day ago
Select Delta flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,120 found 1 day ago
American Airlines
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,663 Return, found 1 day ago
HK$4,663
Return
found 1 day ago
Select American Airlines flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,663 found 1 day ago
American Airlines
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,741 Return, found 1 day ago
HK$4,741
Return
found 1 day ago
Select American Airlines flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,741 found 1 day ago
United
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,783 Return, found 1 day ago
HK$4,783
Return
found 1 day ago
Select United flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,783 found 1 day ago
American Airlines
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,819 Return, found 1 day ago
HK$4,819
Return
found 1 day ago
Select American Airlines flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,819 found 1 day ago
American Airlines
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,923 Return, found 1 day ago
HK$4,923
Return
found 1 day ago
Select American Airlines flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,923 found 1 day ago
American Airlines
Fri, 1 May - Sun, 3 May
PHX
Phoenix
STL
St. Louis
HK$4,996 Return, found 1 day ago
HK$4,996
Return
found 1 day ago
Select American Airlines flight, departing Fri, 1 May from Phoenix to St. Louis, returning Sun, 3 May, priced at HK$4,996 found 1 day ago
Air Canada
Wed, 10 Jun - Wed, 17 Jun
FRA
Frankfurt
STL
St. Louis
HK$6,412 Return, found 23 hours ago
HK$6,412
Return
found 23 hours ago
Select Air Canada flight, departing Wed, 10 Jun from Frankfurt to St. Louis, returning Wed, 17 Jun, priced at HK$6,412 found 23 hours ago
British Airways
Wed, 10 Jun - Wed, 17 Jun
FRA
Frankfurt
STL
St. Louis
HK$7,962 Return, found 23 hours ago
HK$7,962
Return
found 23 hours ago
Select British Airways flight, departing Wed, 10 Jun from Frankfurt to St. Louis, returning Wed, 17 Jun, priced at HK$7,962 found 23 hours ago
Iberia
Wed, 10 Jun - Wed, 17 Jun
FRA
Frankfurt
STL
St. Louis
HK$8,054 Return, found 23 hours ago
HK$8,054
Return
found 23 hours ago
Select Iberia flight, departing Wed, 10 Jun from Frankfurt to St. Louis, returning Wed, 17 Jun, priced at HK$8,054 found 23 hours 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.

Delta
Thu, 11 Jun - Sun, 26 Jul
HKG
Hong Kong SAR
STL
St. Louis
HK$8,500 Return, found 6 hours ago
HK$8,500
Return
found 6 hours ago
Select Delta flight, departing Thu, 11 Jun from Hong Kong SAR to St. Louis, returning Sun, 26 Jul, priced at HK$8,500 found 6 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. HK$4,120 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 Phoenix (PHX), you could've nabbed a cheap ticket for just HK$2,512 in the last seven days. Round-trip journeys to Franklin County ranged from only HK$4,120 to HK$8,500 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$4,120 and HK$8,500. 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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