Flights To Franklin County - Cheap Flights Starting at CA $141

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A cave with stalactites and a metal walkway.

Sullivan

Flights
Sullivan
Two water towers labeled 'HOT' and 'COLD' surrounded by dense forest.

St. Clair

Flights
St. Clair

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, Sep 23 - Sat, Sep 26
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
CA $272 Roundtrip, found 10 hours ago
CA $272
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Sep 23 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at CA $272 found 10 hours ago
Wed, Sep 23 - Sat, Sep 26
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
CA $272 Roundtrip, found 10 hours ago
CA $272
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Sep 23 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at CA $272 found 10 hours ago
Wed, Sep 23 - Sat, Sep 26
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
CA $355 Roundtrip, found 10 hours ago
CA $355
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 23 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at CA $355 found 10 hours ago
Wed, Sep 23 - Sat, Sep 26
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
CA $357 Roundtrip, found 10 hours ago
CA $357
Roundtrip
found 10 hours ago
Select Southwest Airlines flight, departing Wed, Sep 23 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at CA $357 found 10 hours ago
Sat, Oct 10 - Sat, Oct 17
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
CA $446 Roundtrip, found 18 hours ago
CA $446
Roundtrip
found 18 hours ago
Select Delta flight, departing Sat, Oct 10 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, Oct 17, priced at CA $446 found 18 hours ago
Sat, Sep 19 - Sat, Sep 26
PDX
Portland Intl.
STL
Lambert-St. Louis Intl.
CA $446 Roundtrip, found 3 days ago
CA $446
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Sep 19 from Portland Intl. to Lambert-St. Louis Intl., returning Sat, Sep 26, priced at CA $446 found 3 days ago
Thu, Oct 1 - Mon, Oct 5
YVR
Vancouver Intl.
STL
Lambert-St. Louis Intl.
CA $471 Roundtrip, found 1 day ago
CA $471
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 1 from Vancouver Intl. to Lambert-St. Louis Intl., returning Mon, Oct 5, priced at CA $471 found 1 day ago
Thu, Sep 17 - Fri, Sep 18
YYZ
Pearson Intl.
STL
Lambert-St. Louis Intl.
CA $483 Roundtrip, found 10 hours ago
CA $483
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Sep 17 from Pearson Intl. to Lambert-St. Louis Intl., returning Fri, Sep 18, priced at CA $483 found 10 hours ago
Tue, Oct 6 - Tue, Oct 13
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
CA $578 Roundtrip, found 3 hours ago
CA $578
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 6 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Oct 13, priced at CA $578 found 3 hours ago
OriginDestinationTravel datesFlights from*
ATLSt. LouisSeptember 18 to September 21CA $218
SEASt. LouisOctober 31 to November 17CA $219
DENSt. LouisSeptember 23 to September 26CA $272
LGASt. LouisSeptember 24 to September 24CA $389
LGASt. LouisSeptember 24 to September 24CA $389
LAXSt. LouisOctober 7 to October 13CA $423
PHLSt. LouisNovember 16 to November 19CA $466
DFWSt. LouisSeptember 10 to September 13CA $468
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
SEASt. LouisAugust 29 to September 5CA $621
TPASt. LouisAugust 28 to August 30CA $685
DFWSt. LouisAugust 28 to August 31CA $735
LAXSt. LouisAugust 28 to September 2CA $855
ATLSt. LouisAugust 28 to August 30CA $873
DENSt. LouisAugust 28 to August 30CA $1,080
*Prices include taxes and fees

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! (2,248 reviews)
"Good location to events nice shuttle worth the money room clean ."

Reviewed on Aug 23, 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.
7.8/10 Good! (1,542 reviews)
"The room was not very clean. Debris stuck in the stopper of the sink. Not clean under the facuets of the bathtub. Weird smell in room. And 2 sticky mouse traps, filled with bugs, under the air conditioning unit. Definitely would not stay here again."

Reviewed on Aug 23, 2026

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! (1,043 reviews)
"Great location and atmosphere! Rooms are so spacious and nice. Will definitely stay again!"

Reviewed on Aug 23, 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! (1,536 reviews)
"Staff was not helpful with alarm going off for over two hours in the room next door at around midnight. I had to bring it their attention three times that an alarm was going off and when they finally responded it was determined that a call to 911 was warranted. Three cops and a dozen firefighters ..."

Reviewed on Aug 23, 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 CA $218 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 16 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 September. 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. CA $218 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 CA $218 and CA $1,080 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.