Cheap Flights to Franklin County from $25 (2026/2027)

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A rocky riverbed with clear water, surrounded by trees and greenery.

Pacific

Flights
Pacific
A cave with stalactites and a metal walkway.

Sullivan

Flights
Sullivan

How Much Does it Cost To Fly To Franklin County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 14 - Mon, Oct 19
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$61 Roundtrip, found 2 days ago
$61
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Oct 19, priced at $61 found 2 days ago
Wed, Sep 23 - Sat, Sep 26
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 5 hours ago
$78
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at $78 found 5 hours ago
Sat, Oct 3 - Sat, Oct 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$113 Roundtrip, found 2 days ago
$113
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 3 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Oct 3, priced at $113 found 2 days ago
Wed, Nov 4 - Sat, Nov 7
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $117 found 1 day ago
Wed, Sep 30 - Mon, Oct 5
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 22 hours ago
$139
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Wed, Sep 30 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Mon, Oct 5, priced at $139 found 22 hours ago
Wed, Nov 4 - Sat, Nov 7
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $159 found 1 day ago
Thu, Oct 29 - Sun, Nov 1
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$163 Roundtrip, found 1 hour ago
$163
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Oct 29 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sun, Nov 1, priced at $163 found 1 hour ago
Thu, Oct 22 - Mon, Oct 26
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$168 Roundtrip, found 3 days ago
$168
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Oct 26, priced at $168 found 3 days ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisOctober 14 to October 19$61
DENSt. LouisOctober 17 to October 24$80
SEASt. LouisSeptember 30 to October 5$139
TPASt. LouisSeptember 28 to September 28$161
DFWSt. LouisOctober 29 to November 1$163
PHLSt. LouisOctober 24 to October 28$188
LGASt. LouisSeptember 9 to September 16$201
LGASt. LouisSeptember 9 to September 16$201
LAXSt. LouisSeptember 12 to September 19$282
FCOSt. LouisOctober 31 to November 4$903
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENSt. LouisAugust 29 to September 5$320
PHLSt. LouisAugust 29 to August 30$345
DFWSt. LouisAugust 28 to August 30$355
TPASt. LouisAugust 30 to September 3$355
EWRSt. LouisAugust 30 to August 31$355
LGASt. LouisAugust 29 to September 5$411
LAXSt. LouisAugust 30 to September 5$420
ATLSt. LouisAugust 29 to August 31$444
SEASt. LouisAugust 30 to September 11$462
*Prices include taxes and fees

Best Franklin County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Nov 2 - Nov 9

7 night stay

Detroit (DTW) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Detroit (DTW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,232, price is now $738 per person
$738
per person
found 12 hours ago
Remodeled and Inviting Free EV
2.0-star property

Remodeled and Inviting Free EV

Nov 2 - Nov 9

7 night stay

Detroit (DTW) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Detroit (DTW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,284, price is now $889 per person
$889
per person
found 12 hours ago
The Cheshire
4.0-star property

The Cheshire

Nov 2 - Nov 9

7 night stay

Detroit (DTW) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Detroit (DTW)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,239, price is now $907 per person
$907
per person
found 12 hours ago
Don't see what you're looking for?
See all available trips from Detroit to Franklin County
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Travelers ❤️ These Franklin County 🏨

Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Hollywood Casino Amphitheatre and Ameristar Casino St. Charles are located nearby.
8.6/10 Excellent! (2,245 reviews)
"There should have been more information provided upfront, including that the room wouldn't be cleaned and no new towels until the third day of a visit, and that there would be no bottled water provided in the rooms. The soap dispensers in the shower were difficult to use and appeared to be almost ..."

Reviewed on Aug 22, 2026

Opens in a new windowHollywood Casino & Hotel St. Louis
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Simpson Park and Flight Range are located nearby.
Opens in a new windowHeritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
1 Ameristar Blvd St. Charles MO
Book a stay at this luxury hotel in St. Charles. Enjoy a full-service spa, 6 restaurants, and a casino. Our guests praise the clean rooms in our reviews. Popular attractions Ameristar Casino St. Charles and Hollywood Casino Amphitheatre are located nearby.
8.6/10 Excellent! (1,041 reviews)
"Room was a great size for the money. Hotel was clean and quiet and easy to access from the garage. Great pool as well."

Reviewed on Aug 20, 2026

Opens in a new windowAmeristar Casino Resort and Spa
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Best Western St. Louis-Kirkwood Route 66

Best Western St. Louis-Kirkwood Route 66

3.5 out of 5
1200 S Kirkwood Road Kirkwood MO
Book a stay at this business-friendly hotel in Kirkwood. Enjoy free parking, an outdoor pool, and room service. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Magic House - St. Louis Children's Museum and Powder Valley Conservation Nature Center are located nearby.
8.2/10 Very Good! (1,534 reviews)
"Mostly clean and well maintained. The lamp and associated outlets were not working on our side table and the tv couldn’t be connected to WiFi. Everything else was in a good shape."

Reviewed on Aug 21, 2026

Opens in a new windowBest Western St. Louis-Kirkwood Route 66
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Franklin County?
Some thrifty travelers picked up a roundtrip flight to Franklin County for as little as $61 over the last seven days. If you find a bargain, act quick. Cheap deals don't last forever! This price was available on Travelocity for flights to Franklin County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Franklin County?
When organizing a Franklin County adventure, you can choose from 15 airlines. Make Southwest Airlines your first choice for flights to Washington. It has approximately 2,448 flights each month to this must-see destination.
What is the cheapest month to fly to Franklin County?
Splash out more money on great adventures rather than airfares by making your way to Franklin County in October. This is the most inexpensive month to jet off to this destination according to Travelocity's direct return flight demand from January to December last year. Take a look at our selection of flights and enjoy a change of scenery without draining your bank account.
How can I check my flight status to Franklin County?
"Trips" should be your first port of call when it comes to the details of your flight to Franklin County. Travelocity's customer portal allows you to organize everything in the same place, from checking your flight status to making updates to your itinerary. Click on Trips at the top right of the Travelocity homepage and then create an account or sign in. Or you can download the Travelocity app and access your travel details while you're on the move. Whether you've got the family flying with you or you're riding solo, all your bookings are right at your fingertips.
How do I find the best deals on flights to Franklin County?
There are a few ways — book in advance, avoid peak season and be flexible with your travel dates. If your dates aren't set in stone, search for your flight to Franklin County on Travelocity and hit "Flexible dates" at the top of the page. This will reveal any cheaper airfares on surrounding days. $61 was the best price for a roundtrip flight to Franklin County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Franklin County with Travelocity?
An exciting getaway is only a click of a button away when you book your trip with Travelocity. With a wide selection of choices and great deals on cheap family flights, places to stay and more, we make it simple to locate the best prices to suit your needs. You can also try out our round-the-clock customer assistance and free cancellations on most hotels during every stage of the process. Wander with us and snap up your cheap flights to Franklin County today.
What are the most popular flight routes to Franklin County?
To help you in your search for flights to Franklin County, here's a list of some of the preferred routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2,049 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,503 flights a month.
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,300 flights a month.

How much is a flight to Franklin County on average?
Passengers were finding roundtrip flights to Franklin County for between $61 and $903 with Travelocity in the last seven days. Whether you want to fly budget or business class, we'll help you find a fantastic deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Franklin County?
Where you depart from will typically dictate how much time your direct flight to Franklin County will take. Here are some of the popular routes to Franklin County and their average flight times:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 23 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 37 minutes
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 49 minutes

What can I expect on a flight to Franklin County?
This mostly depends on where you're traveling from and which airline you go with. You'll likely find all types of flights to Franklin County, from business class journeys to cheap flights for family vacations. If you're flying long haul, your airline will typically offer passengers meals and drinks, a range of entertainment programs as well as games for your little ones.