Cheap flights To Southern Illinois (STL) from $48

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Cheap Flights to Southern Illinois from $48 One Way, $93 Round Trip

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

Thu, Oct 8 - Sat, Oct 17
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$93 Roundtrip, found 19 hours ago
$93
Roundtrip
found 19 hours ago
Select Allegiant Air flight, departing Thu, Oct 8 from Orlando Sanford Intl. to Evansville Regional, returning Sat, Oct 17, priced at $93 found 19 hours ago
Thu, Dec 3 - Sun, Dec 6
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$97 Roundtrip, found 6 days ago
$97
Roundtrip
found 6 days ago
Select Allegiant Air flight, departing Thu, Dec 3 from Orlando Sanford Intl. to Evansville Regional, returning Sun, Dec 6, priced at $97 found 6 days ago
Thu, Oct 8 - Sun, Oct 18
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$102 Roundtrip, found 14 hours ago
$102
Roundtrip
found 14 hours ago
Select Allegiant Air flight, departing Thu, Oct 8 from Orlando Sanford Intl. to Evansville Regional, returning Sun, Oct 18, priced at $102 found 14 hours ago
Fri, Oct 23 - Wed, Oct 28
PIE
St. Petersburg-Clearwater Intl.
BLV
MidAmerica-St. Louis
$105 Roundtrip, found 5 days ago
$105
Roundtrip
found 5 days ago
Select Allegiant Air flight, departing Fri, Oct 23 from St. Petersburg-Clearwater Intl. to MidAmerica-St. Louis, returning Wed, Oct 28, priced at $105 found 5 days ago
Thu, Dec 3 - Thu, Dec 10
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$108 Roundtrip, found 1 day ago
$108
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Dec 3 from Orlando Sanford Intl. to Evansville Regional, returning Thu, Dec 10, priced at $108 found 1 day ago
Thu, Oct 8 - Sat, Oct 17
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$113 Roundtrip, found 19 hours ago
$113
Roundtrip
found 19 hours ago
Select Allegiant Air flight, departing Thu, Oct 8 from Orlando Sanford Intl. to Evansville Regional, returning Sat, Oct 17, priced at $113 found 19 hours ago
Wed, Sep 30 - Wed, Oct 7
PIE
St. Petersburg-Clearwater Intl.
BLV
MidAmerica-St. Louis
$115 Roundtrip, found 3 days ago
$115
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Wed, Sep 30 from St. Petersburg-Clearwater Intl. to MidAmerica-St. Louis, returning Wed, Oct 7, priced at $115 found 3 days ago
Thu, Oct 29 - Sun, Nov 1
SFB
Orlando Sanford Intl.
BLV
MidAmerica-St. Louis
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Oct 29 from Orlando Sanford Intl. to MidAmerica-St. Louis, returning Sun, Nov 1, priced at $117 found 1 day ago
Thu, Sep 10 - Sun, Sep 20
SFB
Orlando Sanford Intl.
EVV
Evansville Regional
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select Allegiant Air flight, departing Thu, Sep 10 from Orlando Sanford Intl. to Evansville Regional, returning Sun, Sep 20, priced at $119 found 3 days ago
Fri, Dec 4 - Fri, Dec 11
PIE
St. Petersburg-Clearwater Intl.
EVV
Evansville Regional
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select Allegiant Air flight, departing Fri, Dec 4 from St. Petersburg-Clearwater Intl. to Evansville Regional, returning Fri, Dec 11, priced at $120 found 11 hours ago

Southern Illinois Flight Information

Traveling To
Southern Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Allegiant Air
Flight Price
$93
Earliest Departing Flight
Latest Departing Flight

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Southern Illinois economy flight packages

Price found within the past 48 hours. Click for updated prices.
HoteLumiere at the Arch Hotel & Casino - A Caesars Rewards Destination
4.0-star property

HoteLumiere at the Arch Hotel & Casino - A Caesars Rewards Destination

Oct 9 - Oct 11

2 night stay

Minneapolis (MSP) to St. Louis (STL)

Delta • Coach

St. Louis (STL) to Minneapolis (MSP)

Southwest Airlines • Coach
Price was $548, price is now $443 per person
$443
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Oct 22 - Oct 25

3 night stay

Austin (AUS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Austin (AUS)

American Airlines • Coach
Save 100% on your flight
Price was $750, price is now $458 per person
$458
per person
found 1 hour ago
Lodge Of Four Seasons Golf Resort, Marina & Spa
4.0-star property

Lodge Of Four Seasons Golf Resort, Marina & Spa

Oct 7 - Oct 14

7 night stay

Austin (AUS) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Price was $709, price is now $569 per person
$569
per person
found 16 hours ago
Don't see what you're looking for?
See all available trips from Minneapolis to Southern Illinois
View all trips

Southern Illinois first class flight packages

Price found within the past 48 hours. Click for updated prices.
Larkspur Landing Extended Stay Suites St. Louis Riverport - Airport West
3.0-star property

Larkspur Landing Extended Stay Suites St. Louis Riverport - Airport West

7.6/10 Good! (1,015 reviews)

Oct 13 - Oct 15

2 night stay

Boston (BOS) to St. Louis (STL)

American Airlines • Non-stop • FirstClass

St. Louis (STL) to Boston (BOS)

United • Non-stop • FirstClass
Price was $901, price is now $849 per person
$849
per person
found 20 hours ago

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

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

8.8/10 Excellent! (1,008 reviews)

Oct 13 - Oct 15

2 night stay

Boston (BOS) to St. Louis (STL)

American Airlines • Non-stop • FirstClass

St. Louis (STL) to Boston (BOS)

United • Non-stop • FirstClass
Price was $1,174, price is now $1,097 per person
$1,097
per person
found 20 hours ago

Moonrise Hotel
4.0-star property

Moonrise Hotel

9/10 Wonderful! (2,031 reviews)

Oct 13 - Oct 15

2 night stay

Boston (BOS) to St. Louis (STL)

American Airlines • Non-stop • FirstClass

St. Louis (STL) to Boston (BOS)

United • Non-stop • FirstClass
Price was $1,016, price is now $961 per person
$961
per person
found 20 hours ago

Don't see what you're looking for?
See all available trips from Boston to Southern Illinois
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Southern Illinois

When you plan to buy tickets for flights to Southern Illinois, you don’t have to look any further than Orbitz! We offer bargain rates and low fares on thousands of flights.

Reliable Customer Service

Along with our low prices, Orbitz is well known for exceptional customer care. We make it simple to find the best Southern Illinois flights for you. If you need to cancel your booking or change your flight plans, simply contact our Customer Service department to make any adjustments.

Bargain Tickets for Southern Illinois Flights

Orbitz offers deeply discounted flights to Southern Illinois, and we provide the resources to research your travel destination and plan your complete itinerary.

Use Orbitz to Earn Points with Your Frequent Flyer Program

Saving your frequent flyer miles for your flights to Southern Illinois? You can use Orbitz to make your budget ticket reservation for all your flights and still earn points or miles on your frequent flyer program! Just enter your program account number while you’re booking your ticket to have your points added automatically, every time you book with Orbitz.

Convenient Travel Planning Services

If you like the ease of making your travel plans on the move, you’ll love the free Orbitz apps for iPhones, iPads, and Android devices. You can use these apps to review your travel reservations or make a change to your itinerary. Orbitz also offers additional travel assistance such as free mobile alerts that keep you up-to-date about sudden changes to your upcoming flights. You can also browse Orbitz easily on your smartphone by using the mobile version of the website to find budget Southern Illinois flights.

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 $93 this past week to Southern Illinois, and rose to a high of $120. A few lucky travelers flying out of Orlando (SFB) managed to bag one-way tickets from just $48.
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.