$20 Cheap flights to Franklin County

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Top places to visit in Franklin County

A cave with stalactites and a metal walkway.
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Sullivan

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

St. Clair
A large stone building with columns, a tree in front, and a clear blue sky.
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Union

Union

Cheap flights to Franklin County from $20 One Way, $38 Round Trip

$38 return flights and $20 one-way flights to Franklin County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 4 - Wed, Nov 18
ATL
Atlanta
STL
St. Louis
$38 Roundtrip, found 14 hours ago
$38
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Nov 4 from Atlanta to St. Louis, returning Wed, Nov 18, priced at $38 found 14 hours ago
Sat, Dec 5 - Mon, Dec 7
DEN
Denver
STL
St. Louis
$86 Roundtrip, found 1 day ago
$86
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Denver to St. Louis, returning Mon, Dec 7, priced at $86 found 1 day ago
Sat, Oct 24 - Sat, Oct 24
ATL
Atlanta
STL
St. Louis
$113 Roundtrip, found 1 day ago
$113
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 24 from Atlanta to St. Louis, returning Sat, Oct 24, priced at $113 found 1 day ago
Mon, Nov 2 - Wed, Nov 11
MCO
Orlando
STL
St. Louis
$128 Roundtrip, found 17 hours ago
$128
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Mon, Nov 2 from Orlando to St. Louis, returning Wed, Nov 11, priced at $128 found 17 hours ago
Fri, Nov 13 - Tue, Nov 24
DFW
Dallas
STL
St. Louis
$142 Roundtrip, found 5 days ago
$142
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Dallas to St. Louis, returning Tue, Nov 24, priced at $142 found 5 days ago
Mon, Nov 9 - Mon, Nov 16
LAX
Los Angeles
STL
St. Louis
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Los Angeles to St. Louis, returning Mon, Nov 16, priced at $157 found 3 days ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
DFWSt. LouisSeptember 26 to September 28$391
DENSt. LouisSeptember 26 to September 28$430
LAXSt. LouisSeptember 26 to September 28$467
EWRSt. LouisSeptember 26 to September 30$467
LGASt. LouisSeptember 26 to September 29$473
SEASt. LouisSeptember 26 to October 3$510
TTNSt. LouisSeptember 27 to October 1$559
ATLSt. LouisSeptember 26 to October 10$883
TPASt. LouisSeptember 26 to September 28$1,222
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Franklin County Accommodation Deals

Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Fully refundableReserve now, pay when you stay
$108 nightly
The price is $127 total per night from Oct 19 to Oct 20
$127 total
Oct 19 - Oct 20
Total with taxes and fees
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 ...
8.6/10 Excellent! (2,232 reviews)
"A very cozy stay!"

Reviewed on Sep 23, 2026

Opens in a new windowHollywood Casino & Hotel St. Louis
Sonesta ES Suites St. Louis - Chesterfield

Sonesta ES Suites St. Louis - Chesterfield

3 out of 5
15431 Conway Rd Chesterfield MO
Fully refundableReserve now, pay when you stay
$114 nightly
The price is $132 total per night from Sep 27 to Sep 28
$132 total
Sep 27 - Sep 28
Total with taxes and fees
Stay at this hotel in Chesterfield. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. ...
Opens in a new windowSonesta ES Suites St. Louis - Chesterfield
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
Fully refundableReserve now, pay when you stay
$94 nightly
The price is $109 total per night from Sep 27 to Sep 28
$109 total
Sep 27 - Sep 28
Total with taxes and fees
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 ...
7.8/10 Good! (1,569 reviews)
"Shower head leaked, other than that everything was great! Hot tub worked well."

Reviewed on Sep 24, 2026

Opens in a new windowHeritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
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Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
1 Ameristar Blvd St. Charles MO
Fully refundableReserve now, pay when you stay
$183 nightly
The price is $214 total per night from Oct 12 to Oct 13
$214 total
Oct 12 - Oct 13
Total with taxes and fees
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 ...
Opens in a new windowAmeristar Casino Resort and Spa
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.

Need a Car For After Your Flight?

Economy

Mitsubishi Mirage
  • 4 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Mitsubishi Mirage

$80

$302 total
found 19 hours ago
Economy Mitsubishi Mirage

Compact

Nissan Versa
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Nissan Versa

$80

$302 total
found 19 hours ago
Compact Nissan Versa

Midsize

Toyota Corolla
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Toyota Corolla

$86

$324 total
found 19 hours ago
Midsize Toyota Corolla

Fullsize

Nissan Altima
  • 5 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Nissan Altima

$90

$338 total
found 19 hours ago
Fullsize Nissan Altima
Lowest prices found within the past 19 hours. Prices and availability subject to change. Additional terms may apply.

Franklin County

When you plan to buy tickets for flights to Franklin County, you don’t have to look any further than Orbitz! We offer bargain rates and low fares on thousands of flights.

Reliable Customer Service

Along with our low prices, Orbitz is well known for exceptional customer care. We make it simple to find the best Franklin County flights for you. If you need to cancel your booking or change your flight plans, simply contact our Customer Service department to make any adjustments.

Bargain Tickets for Franklin County Flights

Orbitz offers deeply discounted flights to Franklin County, and we provide the resources to research your travel destination and plan your complete itinerary.

Use Orbitz to Earn Points with Your Frequent Flyer Program

Saving your frequent flyer miles for your flights to Franklin County? You can use Orbitz to make your budget ticket reservation for all your flights and still earn points or miles on your frequent flyer program! Just enter your program account number while you’re booking your ticket to have your points added automatically, every time you book with Orbitz.

Convenient Travel Planning Services

If you like the ease of making your travel plans on the move, you’ll love the free Orbitz apps for iPhones, iPads, and Android devices. You can use these apps to review your travel reservations or make a change to your itinerary. Orbitz also offers additional travel assistance such as free mobile alerts that keep you up-to-date about sudden changes to your upcoming flights. You can also browse Orbitz easily on your smartphone by using the mobile version of the website to find budget Franklin County flights.

Frequently asked questions

Which airlines fly to Franklin County?
With 12 airlines waiting to spirit you away to Franklin County, finding the perfect flight will be a piece of cake. Book a ticket with one of these well-known international carriers that offer services to Lambert-St. Louis Intl. Airport (STL):

  • Air Canada - 35 flights to Franklin County per month
  • Frontier Airlines - 17 flights to Franklin County per month
  • Lufthansa - 3 flights to Franklin County per month

How much is a flight to Franklin County?
If you're looking at a round-trip, fares ranged between $38 and $1,222 this last week. The cheapest one-way ticket prices were $20, from Atlanta (ATL).
How to book the cheapest flight to Franklin County?
Scoring cheap flights to Franklin County is as simple as booking your ticket with Orbitz. But if you're eager to make sure you're nabbing the best flight deals around, here are some suggestions worth following:

  • Consider departing from or arriving at alternative airports to save money. Enter your preferred departure and arrival points in the form fields, then choose the 'Nearby airports' function below. It will list your options, if any.
  • Also, click on the 'Show flexible dates' link and you'll see the fares on days either side of your selected departure. You may be able to score cheaper flight deals if you're flexible with your plans.
  • Hit 'Show options' to filter your search results. You can pick your preferred airline and seating class here. Under 'Sort & Filter' to the left, you can even select whether you'd like to fly in the morning, afternoon or evening.
  • Lock in your fare as soon as you've sorted your travel dates. While you can get lucky once in a while, airfares rarely get more affordable as your date of departure gets closer.
  • Think about bundling your flights, hotels and car rentals into a package deal to get more for your money.
  • Don't travel during the busy season if possible. By steering clear of summer and school vacations, you can save loads on your airfare.

What is the best time to book a flight to Franklin County?
If you can, purchase your flights to Franklin County in January. This is the best month to get low airfares, followed by February and August. With a little planning, you're sure to find a cheap flight with Orbitz.
What day of the week is the cheapest to book a flight to Franklin County?
When it comes to cheap flights to Franklin County, the best days to make a booking are generally Tuesdays, Wednesdays and Saturdays. A rewarding flight deal is just clicks away with Orbitz.
What is the cheapest day of the week to fly to Franklin County?
If you're on the hunt for cheap flights to Franklin County, depart at the start of the week. Orbitz data from 2020 shows Monday is the cheapest day to set off, followed by Tuesday. Saturday has the most expensive fares, so avoid flying on this day and do your bank account a favor.
What is the cheapest month to fly to Franklin County?
We won't keep you in suspense — according to Orbitz data, August is generally the most affordable month to fly. Ideal for those who crave a weekend getaway or just a break from it all before the weather changes. Be aware that the costliest time to fly is the height of summer, with fares peaking in June.
Which airlines allow free cancellation?
When you search for flights on Orbitz, choose "Filter by flexible change policies." This filter will show you all the carriers offering free cancellation within 24 hours of booking and no change fees. Relax knowing that if things unexpectedly change, your flight can too.
What do I need for the flight to Franklin County?
Flying can be a joy with a little pre-planning! Make your journey a total breeze with the following handy tips:

  • Whether you print it out at home or use an electronic one, you'll need your boarding pass to get on to the plane. You'll also need some type of government-issued ID. If you're traveling internationally, make sure your passport is valid and you've checked visa requirements.
  • Make time fly by even quicker on your short flight by packing the right gear. Think snacks, a water bottle and entertainment. If you'd like your trip to Franklin County to go nice and quietly, throw some noise-canceling headphones in your bag too.
  • Even if you're flying when it's hot and sticky outside, take a warm top or scarf on board with you. Cabins can get a bit chilly!

How do I get cheap first-class/business deals to Franklin County?
If you think a first or business-class ticket is beyond your reach, you may want to think again. Here are some tips to help you score a premium flight to Franklin County for less:

  • Flexibility isn't just useful in the gym. Leave some room to move around your travel dates so you can pick up cheaper airfares when they crop up.
  • Look for a low-cost carrier that offers seats in business class. They usually come with more legroom and a glass of bubbly — and a more attractive price.
  • Bid for an upgrade in online auctions (if available) or upgrade with frequent flyer loyalty programs.

What is the best time to go to Franklin County?
You'll have fun whatever time of the year you decide to go to Franklin County, but April, June and September are the liveliest months. Want to pack your schedule with plenty of warm-weather experiences? Book your getaway around June 20. This is when summertime begins in the Northern Hemisphere. Expect the mercury to float between 65 ºF and 90 ºF during this time.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.