Cheap flights To Southern Illinois (STL) from $65

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Cheap Flights to Southern Illinois from $65 One Way, $130 Round Trip

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

Wed, Jan 28 - Wed, Jan 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$130 Roundtrip, found 6 hours ago
$130
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Jan 28 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Jan 28, priced at $130 found 6 hours ago
Fri, Jan 16 - Fri, Jan 16
ORD
O'Hare Intl.
MWA
Williamson County Regional
$133 Roundtrip, found 2 days ago
$133
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Fri, Jan 16 from O'Hare Intl. to Williamson County Regional, returning Fri, Jan 16, priced at $133 found 2 days ago
Sun, Jan 18 - Sun, Jan 18
ORD
O'Hare Intl.
MWA
Williamson County Regional
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Sun, Jan 18 from O'Hare Intl. to Williamson County Regional, returning Sun, Jan 18, priced at $136 found 4 days ago
Fri, Jan 16 - Tue, Jan 20
ORD
O'Hare Intl.
MWA
Williamson County Regional
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select Contour Airlines flight, departing Fri, Jan 16 from O'Hare Intl. to Williamson County Regional, returning Tue, Jan 20, priced at $138 found 1 day ago
Wed, Mar 18 - Sun, Mar 22
DFW
Dallas-Fort Worth Intl.
CGI
Cape Girardeau Municipal
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Wed, Mar 18 from Dallas-Fort Worth Intl. to Cape Girardeau Municipal, returning Sun, Mar 22, priced at $139 found 2 days ago
Fri, Mar 20 - Sun, Mar 22
ORD
O'Hare Intl.
CGI
Cape Girardeau Municipal
$139 Roundtrip, found 2 days ago
$139
Roundtrip
found 2 days ago
Select Contour Airlines flight, departing Fri, Mar 20 from O'Hare Intl. to Cape Girardeau Municipal, returning Sun, Mar 22, priced at $139 found 2 days ago
Fri, Feb 20 - Tue, Feb 24
ORD
O'Hare Intl.
MWA
Williamson County Regional
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Contour Airlines flight, departing Fri, Feb 20 from O'Hare Intl. to Williamson County Regional, returning Tue, Feb 24, priced at $140 found 1 day ago
Mon, Feb 23 - Tue, Feb 24
ORD
O'Hare Intl.
MWA
Williamson County Regional
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Contour Airlines flight, departing Mon, Feb 23 from O'Hare Intl. to Williamson County Regional, returning Tue, Feb 24, priced at $142 found 1 day ago
Sat, Jan 17 - Sun, Jan 18
ORD
O'Hare Intl.
MWA
Williamson County Regional
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select Contour Airlines flight, departing Sat, Jan 17 from O'Hare Intl. to Williamson County Regional, returning Sun, Jan 18, priced at $142 found 1 hour ago
Fri, Mar 13 - Wed, Mar 18
ORD
O'Hare Intl.
DEC
Decatur
$149 Roundtrip, found 5 days ago
$149
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 13 from O'Hare Intl. to Decatur, returning Wed, Mar 18, priced at $149 found 5 days ago

Southern Illinois Flight Information

Traveling To
Southern Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, Contour Airlines, American Airlines, United
Flight Price
$130
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Southern 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

Feb 25 - Mar 1

4 night stay

Boston (BOS) to St. Louis (STL)

American Airlines • Non-stop • Coach

St. Louis (STL) to Boston (BOS)

Southwest Airlines • Non-stop • Coach
Price was $890, price is now $694 per person
$694
per person
found 9 hours ago
Hermann Grain Bins BNB
2.0-star property

Hermann Grain Bins BNB

Feb 8 - Feb 13

5 night stay

Detroit (DTW) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,434, price is now $1,037 per person
$1,037
per person
found 1 day ago
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

Feb 25 - Mar 1

4 night stay

Boston (BOS) to St. Louis (STL)

American Airlines • Non-stop • Coach

St. Louis (STL) to Boston (BOS)

Southwest Airlines • Non-stop • Coach
Price was $941, price is now $750 per person
$750
per person
found 7 hours ago
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Southern Illinois

If you are looking for discount prices on flights to Southern Illinois then look no further than Orbitz. With some of the best deals available, cutting-edge technology, and great customer service, Orbitz makes booking Southern Illinois flights easy and affordable.

Booking Made Easy

With Orbitz’s Display Matrix, booking flights to Southern Illinois is simple. Just one glance gives you all the pricing information you need, including your discounts and savings. View all your options before selecting and booking your perfect Southern Illinois flights.

Manage Travel Plans on the Move

By using Orbitz’s free apps for iPhone and Android, and an easy-to-use mobile browser at m.orbitz.com, booking flights to Southern Illinois has never been so convenient. Check for updates and alerts wherever you are, or manage your booking quickly. And we also offer mobile exclusive deals on hotels, so don’t delay—book right away.

The Complete Package

Orbitz makes it stress-free to book Southern Illinois flights, and we can also help you figure out the rest of your trip just as easily. If you need great deals on hotels and car rentals following your flights to Southern Illinois, just add the details to your booking and search for the cheapest deals out there. And why waste time lining up for admission to attractions and events? With Orbitz, you can book tickets in advance and waltz straight in.

Low Price Guarantee

Booking your Southern Illinois flights with Orbitz guarantees low prices every day, all day—no matter when and where you book. You will always find the best deals available, coupled with extra great savings and discounts for all around great value.

Frequently asked questions

What is the best airport to fly to in Southern Illinois?
Touch down at Williamson County Regional Airport (MWA), the main entry point to Southern Illinois. Organizing your flight to this region doesn't get much easier.
How much is a flight to Southern Illinois?
Return flight prices dipped as low as $130 this past week to Southern Illinois, and rose to a high of $149. A few lucky travelers flying out of Dallas (DFW) managed to bag one-way tickets from just $65.
How to book the cheapest flight to Southern Illinois?
With some of the most affordable flight deals around, you can jet for less with Orbitz. The following handy hints will help you find cheap flights to Southern Illinois — and leave you with more money to play with:

  • Departing from or arriving at nearby airports can sometimes help you save on airfares. Type in your preferred departure and arrival points. Next, select the 'Nearby airports' function below the form fields to compare your options.
  • If your travel plans aren't written in stone, click on the 'Show flexible dates' link to see the flight deals for different departure dates. Go with any suitable cheaper fare that pops up.
  • To optimize your results, hit 'Show options.' You can search based on seating class, airlines, nonstop flights and refundable flights. You can also choose your preferred departure and arrival times under 'Sort & Filter' to the left.
  • Once you know your travel dates, lock in your flight. Ticket prices generally get more expensive as the departure date nears.
  • Combine your hotels, flights and car rentals into an impressive package deal. Save your cash for things you're really excited about, like discovering every corner of Southern Illinois.
  • Flying during peak season means higher airfares. Try to vacation outside of popular periods, such as school breaks, Thanksgiving and Easter.

What is the best time to book a flight to Southern Illinois?
Generally speaking, the cheapest month to purchase your airfare is January. This is closely followed by February and August. When seeking a cheap flight to Southern Illinois, make sure you're ready to book. Cheap deals appear quickly and don't hang around!
What day of the week is the cheapest to book a flight to Southern Illinois?
In general, Tuesdays, Wednesdays and Saturdays are the cheapest days of the week to book a flight to Southern Illinois. If you're after unbeatable airfares, search across those days and you just might find an incredible flight deal.
What is the cheapest day of the week to fly to Southern Illinois?
According to Orbitz data from 2020, Monday is generally the best day of the week for cheap flights to Southern Illinois. Tuesday also has wallet-friendly fares, whereas Saturday has the most expensive ticket rates. Even though leaving at the weekend is often more convenient, you'll have more cash to play with if you head out at the start of the week.
What is the cheapest month to fly to Southern Illinois?
Based on Orbitz data, it's best to fly out in August. This is generally a great month to pick up cheap flights to Southern Illinois. It's worth noting that the most expensive time to depart is during the month of June.
Which airlines allow free cancellation?
Flexible travel is more important than ever, that's why Orbitz lets you search for carriers that won't penalize you for any amendments. Fill out your departure and arrival points, then select "Filter by flexible change policies." We'll show you all the options that include free cancellation and no change fees.
What do I need for the flight to Southern Illinois?
The trick to a comfortable and stress-free flight is being well prepared. Listed below are some of our top tips that'll help get you ready for your journey:

  • Whether you print it out at home or use an electronic one, you'll need your boarding pass to walk on to the plane. You'll also need some type of government-issued photo ID. If you're traveling internationally, make sure your passport is valid.
  • Make time fly by even faster on your short hop by packing the right gear. Think a water bottle, snacks and entertainment. If you want your trip to Southern Illinois to pass nice and peacefully, put some headphones in your bag as well.
  • It can get very cool on the plane. If you don't like the thought of shivering your way through the flight, wear an extra layer of clothes.

How many direct flights are there to Southern Illinois?
Head to Southern Illinois quickly on one of the 13 direct flights that touch down here every month. For a comfortable and stress-free trip, have a look at the nonstop flights with Cape Air.
How do I get cheap first-class/business deals to Southern Illinois?
Experienced travelers have mastered the art of finding business or first-class flights to Southern Illinois that don't cost a packet. Follow their example with these helpful hints:

  • Be flexible with your travel dates and hold out for huge sales on business or first-class airfares.
  • Many low-cost carriers offer comfortable business or premium-class seating that doesn't cost an arm and a leg.
  • Make a bid for an upgrade. Some airlines hold online auctions that let you put down a price for a seat up the front. You may also be able to upgrade with points earned through a rewards program.

What is the best time to go to Southern Illinois?
People come from all over the place to go to Southern Illinois in June, July and August. So if you want to explore this amazing destination in the busy season, this is the time to go. As with many places in the Northern Hemisphere, the summer starts June 20 in Southern Illinois, with average daily temperatures ranging between 65 ºF and 80 ºF.

More to Explore

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.