$20 Cheap flights to St. Clair County

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Top places to visit in St. Clair County

A city skyline with a prominent arch landmark, several high-rise buildings, and boats on a river.
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O'Fallon

O'Fallon

Cheap flights to St. Clair County from $20 One Way, $39 Round Trip

$39 return flights and $20 one-way flights to St. Clair 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 11
ATL
Atlanta
STL
St. Louis
$39 Roundtrip, found 20 hours ago
$39
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Wed, Nov 4 from Atlanta to St. Louis, returning Wed, Nov 11, priced at $39 found 20 hours ago
Fri, Nov 6 - Mon, Nov 16
DEN
Denver
STL
St. Louis
$65 Roundtrip, found 6 days ago
$65
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Nov 6 from Denver to St. Louis, returning Mon, Nov 16, priced at $65 found 6 days ago
Sat, Oct 24 - Mon, Nov 2
MCO
Orlando
STL
St. Louis
$96 Roundtrip, found 5 days ago
$96
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Oct 24 from Orlando to St. Louis, returning Mon, Nov 2, priced at $96 found 5 days ago
Mon, Oct 12 - Wed, Oct 14
DFW
Dallas
STL
St. Louis
$109 Roundtrip, found 4 days ago
$109
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Oct 12 from Dallas to St. Louis, returning Wed, Oct 14, priced at $109 found 4 days ago
Thu, Oct 22 - Sat, Oct 24
ATL
Atlanta
STL
St. Louis
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Oct 22 from Atlanta to St. Louis, returning Sat, Oct 24, priced at $118 found 1 day ago
Thu, Nov 12 - Mon, Nov 16
BNA
Nashville
STL
St. Louis
$119 Roundtrip, found 14 hours ago
$119
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Thu, Nov 12 from Nashville to St. Louis, returning Mon, Nov 16, priced at $119 found 14 hours ago
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Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
BNASt. LouisSeptember 25 to September 28$174
CLTSt. LouisSeptember 27 to October 4$360
DFWSt. LouisSeptember 25 to October 4$409
DCASt. LouisSeptember 25 to September 26$534
PVDSt. LouisSeptember 26 to September 27$810
RSWSt. LouisSeptember 27 to September 29$817
AUSSt. LouisSeptember 25 to September 27$1,005
CLESt. LouisSeptember 25 to September 27$1,068
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic St. Clair County Accommodation Deals

Casino Queen Hotel

Casino Queen Hotel

3 out of 5
200 Front Street East St. Louis IL
Fully refundableReserve now, pay when you stay
$84 nightly
The price is $98 total per night from Sep 20 to Sep 21
$98 total
Sep 20 - Sep 21
Total with taxes and fees
Book a stay at this business-friendly hotel in East St. Louis. Enjoy free WiFi, free parking, and a casino. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (2,161 reviews)
"The staff was super friendly"

Reviewed on Sep 18, 2026

Opens in a new windowCasino Queen Hotel
Drury Inn & Suites St. Louis Fairview Heights

Drury Inn & Suites St. Louis Fairview Heights

3 out of 5
12 Ludwig Dr Fairview Heights IL
Fully refundableReserve now, pay when you stay
$93 nightly
The price is $105 total per night from Sep 28 to Sep 29
$105 total
Sep 28 - Sep 29
Total with taxes and fees
Book a stay at this business-friendly hotel in Fairview Heights. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (1,022 reviews)
"Clean rooms awesome breakfast and staff"

Reviewed on Sep 17, 2026

Opens in a new windowDrury Inn & Suites St. Louis Fairview Heights
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Fully refundableReserve now, pay when you stay
$94 nightly
The price is $110 total per night from Oct 4 to Oct 5
$110 total
Oct 4 - Oct 5
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (3,406 reviews)
"I would not stay at this hotel again. We were there for three days and they did not make the beds. There is no maid service."

Reviewed on Sep 18, 2026

Opens in a new windowClayton Plaza Hotel & Extended Stay
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Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Fully refundableReserve now, pay when you stay
$152 nightly
The price is $179 total per night from Oct 1 to Oct 2
$179 total
Oct 1 - Oct 2
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,287 reviews)
"I would recommend going somewhere else"

Reviewed on Sep 18, 2026

Opens in a new windowHyatt Regency St. Louis at The Arch
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?

Compact

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

$151

$385 total
found 5 hours ago
Compact Nissan Versa Note

Economy

Chevrolet Spark
  • 4 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Chevrolet Spark

$151

$385 total
found 5 hours ago
Economy Chevrolet Spark

Midsize SUV

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

$156

$397 total
found 5 hours ago
Midsize SUV Nissan Rogue

Special

Mystery Car May Be Gas Hybrid or EV
  • 4 people
  • Unlimited mileage
Saint Louis, Missouri, USA
Mystery Car May Be Gas Hybrid or EV

$163

$412 total
found 5 hours ago
Special Mystery Car May Be Gas Hybrid or EV
Lowest prices found within the past 5 hours. Prices and availability subject to change. Additional terms may apply.

St. Clair County

Start your search for cheap flights to St. Clair County on Orbitz. Orbitz is where you will discover guaranteed low prices on St. Clair County flights, as well as all of the following conveniences:

Travel Updates on Your Mobile Device

Orbitz offers cutting-edge mobile tools for your smartphone. Whether you own an iPhone or an Android phone, you can benefit from Orbitz’s flight status updates and even book your future St. Clair County flights. You can also review and reserve hotel rooms for when your St. Clair County flights land and see other special offers.

Low Prices Guaranteed on Flights to St. Clair County

Orbitz offers large discounts on a wide range of St. Clair County flights. Through our easy-to-use site, you can find, plan, and reserve your desired flights to St. Clair County while taking advantage of the lowest fares around.

Customer Care When You Need It

Orbitz is dedicated to making your flight booking experience as stress-free as possible. If you need to cancel your reservation, you can do so at your own convenience by going to the Orbitz website. If you need to change your flights to St. Clair County to another time or date, you can contact our customer service representatives by phone, and they help you make the flight adjustments you need.

Loyalty Program Participation Opportunities

Orbitz lets you add your loyalty or frequent flyer account numbers when you book qualifying flights to St. Clair County. So don’t worry about missing out on earning miles or points simply because you aren’t booking with the airline directly. You can save on your flights, and rack up miles too.

Frequently asked questions

What is the best airport to fly to in St. Clair County?
MidAmerica-St. Louis Airport (BLV) is the major entry point for this terrific region. Once you've left the terminal, the options are endless when it comes to exploring St. Clair County.
How much is a flight to St. Clair County?
If you're hunting down return flights, airfares ranged between $39 and $1,068 this week. The lowest price for one-way was $20, from Atlanta (ATL).
How to book the cheapest flight to St. Clair County?
Using Orbitz, you'll find some of the most affordable flight deals around from a huge range of airlines. But if you want to increase your likelihood of nabbing cheap flights to St. Clair County, here are some tips we think will help:

  • Consider other airports to save extra cash. Enter your preferred departure and arrival airports in the form fields, then click on the 'Nearby airports' function below. It will list any available options.
  • If you're flexible with your travel itinerary, click on the 'Show flexible dates' option. You'll see the flight deals for the days either side of your selected departure. Ticket prices often vary depending on what day of the week it is.
  • You can also select the 'Show options' function to filter results for your preferred airline, seating class, nonstop flights and refundable flights. Under 'Sort & Filter' to the left, you can even choose the time of day you want to fly.
  • Book as soon as you've decided on your travel dates. While you can get lucky once in a while, airfares rarely drop in price as your departure date approaches.
  • Make big savings on your vacation by combining your hotel, flights and car rentals into a package with Orbitz. Your budget will thank you.
  • Flying during peak season can mean expensive airfares. Try to vacation outside of popular periods, such as Easter, Thanksgiving and school breaks.

How long is a flight to St. Clair County?
The USA is big, so that depends on which airport you're departing from. To make vacation planning a little easier, we've chosen some of the most common routes to St. Clair County and listed their average flight times:

  • Fort Walton Beach, FL (VPS-Northwest Florida Regional) to MidAmerica-St. Louis Airport (BLV) - 1 hour and 43 minutes
  • Orlando, FL (SFB-Orlando Sanford Intl.) to MidAmerica-St. Louis Airport (BLV) - 2 hours and 15 minutes
  • Punta Gorda, FL (PGD-Charlotte County) to MidAmerica-St. Louis Airport (BLV) - 2 hours and 22 minutes

What is the best time to book a flight to St. Clair County?
Snap up a bargain and book your seats to St. Clair County in January. If you've missed this month, don't worry. February and August often have low airfares available, too. Be careful not to snooze on a sale — cheap flights come and go in a flash!
What day of the week is the cheapest to book a flight to St. Clair County?
Typically, Tuesdays, Wednesdays and Saturdays are the cheapest days to book a flight to St. Clair County. If you're looking for the most competitive airfares, search across those days and you're likely to pick up a fantastic flight deal.
What is the cheapest day of the week to fly to St. Clair County?
According to Orbitz data from 2020, you'll want to kick off your vacation on a Monday to nab cheap flights to St. Clair County. Next cheapest day? Tuesday. Saturday will cost the most. So, consider leaving early in the week if you want to score a wallet-friendly fare without paying premium prices.
What is the cheapest month to fly to St. Clair County?
To land cheap flights to St. Clair County, you should leave in August. If getting a great deal on your plane ticket is your number one priority, Orbitz data has found that this is generally the best month to take a trip. June is when fares are the least affordable.
Which airlines allow free cancellation?
When you search for flights on Orbitz, choose "Filter by flexible change policies." This filter will quickly find all the carriers offering free cancellation and no change fees. That means you can breathe easy knowing that if things change, your ticket can too.
What do I need for the flight to St. Clair County?
There's nothing as exciting as jetting somewhere new, but it's wise to be prepared. These useful tips will help get your journey off to a smooth start:

  • Your travel documents are the most important things you'll need to have with you on your flight. To avoid any problems at check-in time, make sure that the personal info on your ticket corresponds with your government-issued photo ID.
  • Take some activities to keep you amused on your trip to St. Clair County. Books, magazines and electronic gadgets like tablets and e-readers are ideal. Remember to take a bottle of water as well. Even on a short flight, it's important to keep well-hydrated.
  • It can get very cool on the plane. If you don't like the thought of shivering your way through the flight, wear another layer of clothing.

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

  • Be flexible with your travel dates and hold out for sales on first or business-class airfares.
  • Look for a low-cost carrier that offers seats in business class. They usually come with extra legroom and a glass of Champagne — and a nicer price.
  • Make the most of your airline's flight rewards program and use points to upgrade your seat. You can also bid for an upgrade in online auctions.

What is the best time to go to St. Clair County?
St. Clair County is popular in March, May and June. If you plan to head there during these months, it would be wise to book ahead of time to ensure you pick up the most rewarding deals. Want to know what summertime's like in St. Clair County? Average daily temperatures usually float between 70 ºF and 85 ºF. Like most places in the Northern Hemisphere, the summer season commences June 20 here.

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.