Cheap flights To Southwest Illinois (STL) from $70

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Cheap Flights to Southwest Illinois from $70 One Way, $142 Round Trip

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

Southwest Illinois Flight Information

Traveling To
Southwest Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, United
Flight Price
$142
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
Crowne Plaza St. Louis Airport by IHG
Hilton Garden Inn St. Louis/O'Fallon MO
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Southwest Illinois

Finding cheap flights to Southwest Illinois is easy when you have Orbitz at your fingertips. Not only does Orbitz offer great deals on Southwest Illinois flights, but we also include some special extras to make booking a breeze. Just check out our:

Mobile Site and Apps

With Orbitz’s mobile site, m.orbitz.com, you can book your flights to Southwest Illinois through your smartphone or tablet’s Web browser. Plus, our free downloadable apps for Android and iPhone mean it’s just a simple click to access your flight updates and alerts. You can even book exclusive mobile-only deals on hotels to go with your flights to Southwest Illinois—even on the same day.

Pick and Choose or Book Full Vacation Packages

Don’t just be satisfied with great deals on Southwest Illinois flights—go for the full package! With Orbitz, you can also find fantastic savings on the perfect hotel, car rental, cruise, and even activities, so you don’t waste your trip waiting in line but have the time to enjoy your trip. Pick and choose the add-ons you need, or book an entire vacation package for greater overall discounts.

Rewards That Are Miles Better

Booking directly with an airline earns you air miles or points, and you can get those same rewards with booking on Orbitz too. When you book qualifying flights to Southwest Illinois with Orbitz, just add in your frequent flyer number during your online booking and your details will be sent to your program.

Great Deals Every Day

Add in our extra savings on packages, free nights, and other discounts, and you know you are in good hands.

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 $142 this week to Southwest Illinois, and climbed to a high of $273. A few lucky travelers departing Baltimore (BWI) managed to bag one-way flights from just $70.
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.