Cheap Flights to Franklin County from $29 (2026/2027)

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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 28 - Wed, Oct 28
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$61 Roundtrip, found 4 days ago
$61
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $61 found 4 days ago
Tue, Aug 11 - Tue, Aug 11
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$105 Roundtrip, found 4 days ago
$105
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $105 found 4 days ago
Tue, Sep 1 - Wed, Sep 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Tue, Sep 1 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Sep 2, priced at $120 found 11 hours ago
Tue, Sep 1 - Wed, Sep 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 1 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Sep 2, priced at $120 found 11 hours ago
Tue, Aug 11 - Sat, Aug 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 4 days ago
$121
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 15, priced at $121 found 4 days ago
Sat, Oct 24 - Sat, Oct 24
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Oct 24, priced at $153 found 4 days ago
Wed, Aug 5 - Wed, Aug 12
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$215 Roundtrip, found 8 hours ago
$215
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $215 found 8 hours ago
Wed, Aug 5 - Wed, Aug 12
TTN
Mercer
STL
Lambert-St. Louis Intl.
$215 Roundtrip, found 8 hours ago
$215
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Mercer to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $215 found 8 hours ago
OriginDestinationTravel DatesFlights From*
ATLSt. LouisAugust 16 to August 16$62
DENSt. LouisOctober 13 to October 20$137
DFWSt. LouisAugust 18 to August 18$144
TPASt. LouisSeptember 8 to September 9$210
PHLSt. LouisAugust 5 to August 12$215
EWRSt. LouisAugust 11 to August 11$220
LGASt. LouisOctober 10 to October 13$232
LAXSt. LouisAugust 15 to August 19$254
SEASt. LouisSeptember 10 to September 13$254
FCOSt. LouisOctober 1 to October 5$899
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
EWRSt. LouisJuly 10 to July 11$306
TTNSt. LouisJuly 11 to July 15$334
DFWSt. LouisJuly 12 to July 16$384
ATLSt. LouisJuly 11 to July 13$390
DENSt. LouisJuly 10 to July 13$408
TPASt. LouisJuly 12 to July 17$408
LAXSt. LouisJuly 11 to July 12$418
SEASt. LouisJuly 10 to July 11$431
LGASt. LouisJuly 10 to July 12$477
FCOSt. LouisJuly 12 to July 20$1,146
*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

Jul 31 - Aug 4

4 night stay

Detroit (DTW) to St. Louis (STL)

Delta • Roundtrip • Coach
Save 100% on your flight
Price was $982, price is now $616 per person
$616
per person
found 1 day ago
The Cheshire
4.0-star property

The Cheshire

Jul 31 - Aug 4

4 night stay

Detroit (DTW) to St. Louis (STL)

Delta • Roundtrip • Coach
Price was $917, price is now $691 per person
$691
per person
found 1 day ago
Camden on the Lake Resort & Spa
4.0-star property

Camden on the Lake Resort & Spa

Aug 21 - Aug 24

3 night stay

Houston (HOU) to St. Louis (STL)

Frontier Airlines • Non-stop • Coach

St. Louis (STL) to Houston (HOU)

American Airlines • Non-stop • Coach
Price was $874, price is now $662 per person
$662
per person
found 14 hours ago
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Travelers ❤️ These Franklin County 🏨

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.
7.8/10 Good! (1,412 reviews)
"Check-in was a 10/10 they were very nice even aloud us to check-in early.walked us through everything from the start of breakfast to where we should park, my family and I really enjoyed our stay and we will book again 🤗"

Reviewed on Jul 7, 2026

Opens in a new windowHeritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
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! (2,205 reviews)
"Everything was great. Great weekend getaway especially if your going to a concert."

Reviewed on Jul 6, 2026

Opens in a new windowHollywood Casino & Hotel St. Louis
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 Saint Louis Galleria Mall and Magic House - St. Louis Children's Museum are located nearby.
8.2/10 Very Good! (1,503 reviews)
"Staff was pleasant. Breakfast was good. Room was decently clean although the building is starting to show it's age."

Reviewed on Jul 7, 2026

Opens in a new windowBest Western St. Louis-Kirkwood Route 66
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Hilton St. Louis Frontenac

Hilton St. Louis Frontenac

4 out of 5
1335 S Lindbergh Blvd Frontenac MO
Book a stay at this business-friendly hotel in Frontenac. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. Popular attractions Saint Louis Galleria Mall and Creve Coeur Golf Club are located nearby.
8.8/10 Excellent! (1,002 reviews)
"Great pool! Huge rooms!"

Reviewed on Jul 2, 2026

Opens in a new windowHilton St. Louis Frontenac
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 $1,146 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.