Cheap flights To Southwest Illinois (STL) from $58

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Cheap Flights to Southwest Illinois from $58 One Way, $108 Round Trip

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

Tue, Sep 30 - Tue, Oct 7
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$108 Roundtrip, found 1 day ago
$108
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Sep 30 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 7, priced at $108 found 1 day ago
Sat, Oct 11 - Wed, Oct 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$111 Roundtrip, found 20 hours ago
$111
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Oct 15, priced at $111 found 20 hours ago
Thu, Aug 28 - Tue, Sep 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 2 days ago
$114
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Aug 28 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $114 found 2 days ago
Tue, Sep 2 - Tue, Sep 9
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Sep 2 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Sep 9, priced at $116 found 1 day ago
Sat, Aug 30 - Tue, Sep 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 5 hours ago
$116
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Aug 30 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $116 found 5 hours ago
Sat, Aug 16 - Sat, Aug 23
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$125 Roundtrip, found 1 day ago
$125
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 23, priced at $125 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 15 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 18, priced at $139 found 1 day ago
Sat, Sep 13 - Sat, Sep 20
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Sep 20, priced at $142 found 1 day ago
Sat, Aug 9 - Sat, Aug 9
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, Aug 9 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Aug 9, priced at $147 found 5 days ago
Wed, Oct 15 - Sat, Oct 18
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 1 day ago
$159
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 15 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 18, priced at $159 found 1 day ago

Southwest Illinois STL Flight Information

Traveling To
Southwest Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
1
Airlines
Frontier Airlines, American Airlines, Southwest Airlines, United, Spirit Airlines
Flight Price
$108
Earliest Departing Flight
WN 2371 9:10AM EDT
Latest Departing Flight
WN 527 Aug 15 8:45PM EDT

Book Your Flight & Hotel Together & Save

Southwest Illinois economy flight packages

Price found within the past 48 hours. Click for updated prices.
Holiday Inn Express & Suites St. Louis West - Fenton by IHG
3.0-star property

Holiday Inn Express & Suites St. Louis West - Fenton by IHG

Oct 2 - Oct 5

3 night stay

Chicago (CHI) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Oct 2 - Oct 5

3 night stay

Chicago (CHI) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Hilton Garden Inn Chesterfield
3.0-star property

Hilton Garden Inn Chesterfield

Oct 2 - Oct 5

3 night stay

Chicago (CHI) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
per person
found 1 day ago
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Southwest Illinois

Traveling to Southwest Illinois and need a cheap flight? Orbitz has great deals on flights to Southwest Illinois right now. Plus, we offer big discounts on hotel rooms and car rentals for a great money-saving trip.

Find Low Cost Flights to Southwest Illinois Quickly and Hassle-Free

There are many Internet sites that promise cheap Southwest Illinois flights, but a busy, bargain-minded trip planner needs more than just budget air tickets. Not only does Orbitz offer the best deals for domestic and international air fare, but we also provide the resources and tools to help you plan your flights to Southwest Illinois, book your lodging, and look up key attractions in Southwest Illinois. Our easy search tools and guaranteed low prices let you budget your time and your money so you have more of both to spend on your vacation.

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You no longer need to be sitting at your computer to find amazing Orbitz sales for flights to Southwest Illinois now we offer cutting-edge mobile tools for many Android and iOS gadgets. These free apps allow you to run a search for discount air fare, look for special vacation packages, or check on your booked Southwest Illinois flights from any location. Some special deals are only available for mobile customers, so be sure to take advantage of these free downloads today.

Orbitz Customers Are Truly #1

Orbitz takes pride in providing the best customer experience possible, and that effort doesn't end with discount flights to Southwest Illinois or user-friendly mobile apps and web tools. Orbitz Customer Service is always ready to answer questions and help you with booking, planning, or canceling your Southwest Illinois flights. When you need us, we’re here for you!

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 $108 this week to Southwest Illinois, and climbed to a high of $159. A few lucky travelers departing Denver (DEN) managed to bag one-way flights from just $58.
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.

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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.