Cheap flights To Southwest Illinois (STL) from $36

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Cheap Flights to Southwest Illinois from $36 One Way, $80 Round Trip

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

Fri, Jun 12 - Sun, Jun 14
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$80 Roundtrip, found 3 days ago
$80
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Jun 12 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sun, Jun 14, priced at $80 found 3 days ago
Sun, May 24 - Thu, May 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, May 24 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, May 28, priced at $91 found 1 day ago
Fri, Jun 12 - Tue, Jun 16
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$92 Roundtrip, found 2 days ago
$92
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Jun 12 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 16, priced at $92 found 2 days ago
Fri, Jun 12 - Mon, Jun 15
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Jun 12 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Jun 15, priced at $93 found 2 days ago
Tue, May 12 - Tue, May 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, May 12 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, May 19, priced at $100 found 2 days ago
Sat, May 30 - Tue, Jun 2
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$103 Roundtrip, found 5 hours ago
$103
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, May 30 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 2, priced at $103 found 5 hours ago
Mon, May 4 - Sat, May 9
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$105 Roundtrip, found 3 days ago
$105
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, May 4 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $105 found 3 days ago
Sat, May 9 - Fri, May 15
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$106 Roundtrip, found 2 days ago
$106
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $106 found 2 days ago
Tue, May 26 - Sat, May 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 26 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Sat, May 30, priced at $107 found 1 day ago
Tue, May 5 - Wed, May 6
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 6 days ago
$119
Roundtrip
found 6 days ago
Select United flight, departing Tue, May 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, May 6, priced at $119 found 6 days ago

Southwest Illinois Flight Information

Traveling To
Southwest Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, American Airlines, United
Flight Price
$80
Earliest Departing Flight
Latest Departing Flight

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Southwest Illinois economy flight packages

Price found within the past 48 hours. Click for updated prices.
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
4.0-star property

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

May 31 - Jun 3

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $459, price is now $323 per person
$323
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

May 22 - May 24

2 night stay

Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

United • Roundtrip • Coach
Price was $701, price is now $502 per person
$502
per person
found 21 hours ago
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

May 31 - Jun 3

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $498, price is now $364 per person
$364
per person
found 1 day ago
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Southwest Illinois first class flight packages

Price found within the past 48 hours. Click for updated prices.
Hampton Inn & Suites Clayton/St. Louis-Galleria Area
3.0-star property

Hampton Inn & Suites Clayton/St. Louis-Galleria Area

9/10 Wonderful! (953 reviews)

May 25 - May 28

3 night stay

Los Angeles (LAX) to St. Louis (STL)

American Airlines • FirstClass

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • FirstClass
Price was $1,260, price is now $1,142 per person
$1,142
per person
found 3 hours ago
Black bananas at breakfast two days in a row over easter weekend. Bad coffee in the room, but downstairs coffee was excellent. Maid service non-existent even when we called for it. No pick-up of used bath towels, having to call every evening for pickup of wet towels and asking for new ones ... even when the hotel was not busy. I do love the location and staff members nice, but not taking care of requests for service.

Reviewed on Apr 20, 2022

Sheraton Westport Plaza Hotel St. Louis
3.5-star property

Sheraton Westport Plaza Hotel St. Louis

8.4/10 Very Good! (867 reviews)

May 25 - May 28

3 night stay

Los Angeles (LAX) to St. Louis (STL)

American Airlines • FirstClass

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • FirstClass
Price was $1,426, price is now $1,298 per person
$1,298
per person
found 3 hours ago
It was nice overall except for not having a working USB PORT in the room

Reviewed on Aug 22, 2021

Moonrise Hotel
4.0-star property

Moonrise Hotel

9/10 Wonderful! (1,921 reviews)

May 25 - May 28

3 night stay

Los Angeles (LAX) to St. Louis (STL)

American Airlines • FirstClass

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • FirstClass
Price was $1,253, price is now $1,143 per person
$1,143
per person
found 3 hours ago
Staff was courteous but horrible nights sleep.

Reviewed on Jan 25, 2026

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Frequently asked questions

Which airlines fly to Southwest Illinois?
With 20 airlines venturing to Evansville Regional Airport (EVV), you'll be exploring every inch of Southwest Illinois before long. Finding a flight that suits your travel itinerary is simple. Compare the available fares from these top air companies and prepare for a smooth landing at Evansville Regional Airport (EVV):

  • American Airlines - 73 flights to Southwest Illinois per month
  • Delta - 22 flights to Southwest Illinois per month
  • Allegiant Air - 0 flights to Southwest Illinois per month

How much is a flight to Southwest Illinois?
Prices for return flights fell as low as $80 this week to Southwest Illinois, and climbed to a high of $119. A few lucky travelers departing Dallas (DFW) managed to bag one-way flights from just $36.
How to book the cheapest flight to Southwest Illinois?
With some of the best flight deals around, you'll always bag a bargain with Orbitz. The following hints and tips will help you find cheap flights to Southwest Illinois — and leave you with more money in your pocket:

  • Consider taking off from or landing at alternative airports to save money. Enter your preferred departure and arrival airports in the form fields, then select the 'Nearby airports' function below. It will list the available options.
  • Similarly, click on the 'Show flexible dates' link to view the fares on days either side of your chosen departure. You may be able to pick up cheaper flight deals if you're flexible with your dates.
  • To optimize your results, click on 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also select your preferred flight times under 'Sort & Filter' to the left.
  • If you've sorted your travel dates, don't delay booking. Prices normally climb as the departure date gets closer.
  • Think about bundling your hotels, flights and car rental into one convenient package deal to save money.
  • If practical, don't fly during the busy season. Airfares are usually at their most expensive during summer, school breaks and other vacation periods like Easter and Christmas.

What is the best time to book a flight to Southwest Illinois?
Generally speaking, January is the best time to book your plane ticket. This is followed by February and August. Keep this in mind while you hunt for a cheap flight to Southwest Illinois.
What day of the week is the cheapest to book a flight to Southwest Illinois?
To score a great flight deal, book on a Tuesday, Wednesday or Saturday. These are usually the cheapest days to book flights to Southwest Illinois.
What is the cheapest day of the week to fly to Southwest Illinois?
You can land cheap flights to Southwest Illinois by taking to the skies on a Monday, according to Orbitz data from 2020. Tuesday is the next cheapest day, while Saturday has the most expensive ticket prices. Whether you prefer to save a bundle or start your trip whenever is convenient, you'll always get a fabulous deal with Orbitz.
What is the cheapest month to fly to Southwest Illinois?
Get set to jet for less in August. This is generally the best month to take off if you want cheap flights to Southwest Illinois, Orbitz data shows. The most expensive time to fly is June, so avoid this month if you're watching your pennies.
Which airlines allow free cancellation?
Orbitz makes it a snap to find carriers offering fare flexibility. Simply choose "Filter by flexible change policies" when searching for your flights and bingo! We'll show you options that include free cancellation, no change fees and of course, an irresistible low price.
What do I need for the flight to Southwest Illinois?
Flying can be fun with a little pre-planning! Make your journey a relaxing one with the following helpful tips:

  • Before you step on board the plane, you'll need to present some type of government-issued ID, like your passport. You'll also need your boarding pass. If you're traveling with children, check with your airline about which documents they require — if any.
  • To keep you busy on your short trip to Southwest Illinois, download some new songs or restock the podcast library on your tablet. Food can also be a good distraction while in the air, so maybe even bring some light snacks.
  • No matter what the temperature is doing outside, plane cabins can get chilly. Bring a sweater on board to keep yourself cozy.

How do I get cheap first-class/business deals to Southwest Illinois?
Smart travelers have mastered the art of finding first or business-class flights to Southwest Illinois that don't cost an arm and a leg. Follow in their footsteps with these helpful hints:

  • Flexibility is everything. By being open to different travel dates, you'll have better odds of landing a deal on your airfares.
  • Budget airlines offer first or business-class seating at a fraction of the normal price. Ditch the full-service carriers and check out these cheaper options.
  • Bid for an upgrade in online auctions or upgrade your seat through your frequent flyer program.

What is the best time to go to Southwest Illinois?
If you want to experience Southwest Illinois in peak season, June, July and August are the prime months to visit. June 20 marks the start of summertime in the Northern Hemisphere and is an excellent time to travel if you relish the great outdoors. At this time of year, average daily temperatures typically range from 65 ºF to 85 ºF.

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.