Cheap Flights to Franklin County

View AU$214 flight on Wed, 10 June 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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Cheapest Flights to Franklin County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 9 June - Tue, 16 June
BOS
Boston
STL
St. Louis
AU$445 Return, found 1 day ago
AU$445
Return
found 1 day ago
Select American Airlines flight, departing Tue, 9 June from Boston to St. Louis, returning Tue, 16 June, priced at AU$445 found 1 day ago
Delta
Tue, 9 June - Tue, 16 June
BOS
Boston
STL
St. Louis
AU$472 Return, found 1 day ago
AU$472
Return
found 1 day ago
Select Delta flight, departing Tue, 9 June from Boston to St. Louis, returning Tue, 16 June, priced at AU$472 found 1 day ago
United
Tue, 9 June - Tue, 16 June
BOS
Boston
STL
St. Louis
AU$598 Return, found 1 day ago
AU$598
Return
found 1 day ago
Select United flight, departing Tue, 9 June from Boston to St. Louis, returning Tue, 16 June, priced at AU$598 found 1 day ago
Alaska Airlines
Thu, 4 June - Thu, 11 June
BOS
Boston
STL
St. Louis
AU$1,051 Return, found 6 days ago
AU$1,051
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 4 June from Boston to St. Louis, returning Thu, 11 June, priced at AU$1,051 found 6 days ago
American Airlines
Wed, 2 Sept - Thu, 24 Sept
LHR
London
STL
St. Louis
AU$1,250 Return, found 16 hours ago
AU$1,250
Return
found 16 hours ago
Select American Airlines flight, departing Wed, 2 Sept from London to St. Louis, returning Thu, 24 Sept, priced at AU$1,250 found 16 hours ago
Virgin Atlantic
Wed, 2 Sept - Thu, 24 Sept
LHR
London
STL
St. Louis
AU$1,258 Return, found 16 hours ago
AU$1,258
Return
found 16 hours ago
Select Virgin Atlantic flight, departing Wed, 2 Sept from London to St. Louis, returning Thu, 24 Sept, priced at AU$1,258 found 16 hours ago
Iberia
Wed, 2 Sept - Thu, 24 Sept
LHR
London
STL
St. Louis
AU$1,299 Return, found 16 hours ago
AU$1,299
Return
found 16 hours ago
Select Iberia flight, departing Wed, 2 Sept from London to St. Louis, returning Thu, 24 Sept, priced at AU$1,299 found 16 hours ago
British Airways
Tue, 1 Sept - Wed, 23 Sept
LHR
London
STL
St. Louis
AU$1,299 Return, found 16 hours ago
AU$1,299
Return
found 16 hours ago
Select British Airways flight, departing Tue, 1 Sept from London to St. Louis, returning Wed, 23 Sept, priced at AU$1,299 found 16 hours ago
KLM
Wed, 2 Sept - Thu, 24 Sept
LHR
London
STL
St. Louis
AU$1,337 Return, found 16 hours ago
AU$1,337
Return
found 16 hours ago
Select KLM flight, departing Wed, 2 Sept from London to St. Louis, returning Thu, 24 Sept, priced at AU$1,337 found 16 hours ago
Finnair
Wed, 2 Sept - Thu, 24 Sept
LHR
London
STL
St. Louis
AU$1,392 Return, found 16 hours ago
AU$1,392
Return
found 16 hours ago
Select Finnair flight, departing Wed, 2 Sept from London to St. Louis, returning Thu, 24 Sept, priced at AU$1,392 found 16 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.

Air Canada
Wed, 3 June - Wed, 10 June
SYD
Sydney
STL
St. Louis
AU$1,463 Return, found 12 hours ago
AU$1,463
Return
found 12 hours ago
Select Air Canada flight, departing Wed, 3 June from Sydney to St. Louis, returning Wed, 10 June, priced at AU$1,463 found 12 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. AU$445 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 Boston (BOS), you could've nabbed a cheap ticket for just AU$214 in the last seven days. Round-trip journeys to Franklin County ranged from only AU$445 to AU$1,463 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 travellers 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 AU$445 and AU$1,463. 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.

Book with confidence

Franklin County Flights

When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Franklin County today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.

Book Your Franklin County Airfare

At Expedia.com.au, it’s simple to find cheap flights to Franklin County that won’t cause your wallet to flinch. Browse through our inventory of Franklin County flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.

Franklin County Flights

Travel information

Franklin County Flights Information

Airlines serving
American Airlines, Delta, United, Alaska Airlines, Air Canada, Lufthansa, Iberia, British Airways, Austrian Airlines, Virgin Atlantic, KLM, Finnair
Roundtrip price
from AU$445
Franklin County Flights Information

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