Cheap flights To Southern Illinois (STL) from $49

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Cheap Flights to Southern Illinois from $49 One Way, $64 Round Trip

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

Mon, Nov 24 - Mon, Nov 24
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$64 Roundtrip, found 2 days ago
$64
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Nov 24, priced at $64 found 2 days ago
Tue, Jan 6 - Fri, Jan 9
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$101 Roundtrip, found 3 days ago
$101
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 6 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Jan 9, priced at $101 found 3 days ago
Wed, Dec 10 - Fri, Dec 12
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$115 Roundtrip, found 2 days ago
$115
Roundtrip
found 2 days ago
Select United flight, departing Wed, Dec 10 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Dec 12, priced at $115 found 2 days ago
Mon, Feb 16 - Mon, Feb 16
ORD
O'Hare Intl.
MWA
Williamson County Regional
$133 Roundtrip, found 1 day ago
$133
Roundtrip
found 1 day ago
Select Contour Airlines flight, departing Mon, Feb 16 from O'Hare Intl. to Williamson County Regional, returning Mon, Feb 16, priced at $133 found 1 day ago
Mon, Nov 17 - Mon, Nov 17
ORD
O'Hare Intl.
CGI
Cape Girardeau Municipal
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select Contour Airlines flight, departing Mon, Nov 17 from O'Hare Intl. to Cape Girardeau Municipal, returning Mon, Nov 17, priced at $135 found 4 days ago
Thu, Feb 26 - Mon, Mar 2
DFW
Dallas-Fort Worth Intl.
CGI
Cape Girardeau Municipal
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select Contour Airlines flight, departing Thu, Feb 26 from Dallas-Fort Worth Intl. to Cape Girardeau Municipal, returning Mon, Mar 2, priced at $139 found 3 hours ago
Wed, Dec 3 - Wed, Dec 3
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Dec 3, priced at $157 found 1 day ago
Thu, Dec 4 - Wed, Dec 10
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$165 Roundtrip, found 18 hours ago
$165
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Dec 4 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, Dec 10, priced at $165 found 18 hours ago
Thu, Dec 4 - Wed, Dec 10
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$169 Roundtrip, found 18 hours ago
$169
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, Dec 10, priced at $169 found 18 hours ago
Tue, Dec 2 - Tue, Dec 16
DAL
Love Field
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 11 hours ago
$178
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Dec 2 from Love Field to Lambert-St. Louis Intl., returning Tue, Dec 16, priced at $178 found 11 hours ago

Southern Illinois Flight Information

Traveling To
Southern Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
United, American Airlines, Frontier Airlines, Southwest Airlines, Contour Airlines, Delta
Flight Price
$64
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.
Hilton Garden Inn Chesterfield
3.0-star property

Hilton Garden Inn Chesterfield

Dec 28 - Jan 2

5 night stay

Las Vegas (LAS) to St. Louis (STL)

Frontier Airlines • Coach

St. Louis (STL) to Las Vegas (LAS)

American Airlines • Coach
Price was $728, price is now $481 per person
$481
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Dec 28 - Jan 2

5 night stay

Las Vegas (LAS) to St. Louis (STL)

Frontier Airlines • Coach

St. Louis (STL) to Las Vegas (LAS)

American Airlines • Coach
Save 100% on your flight
Price was $1,093, price is now $578 per person
$578
per person
found 1 day ago
The Principal Hotel
3.5-star property

The Principal Hotel

Dec 28 - Jan 2

5 night stay

Las Vegas (LAS) to St. Louis (STL)

Frontier Airlines • Coach

St. Louis (STL) to Las Vegas (LAS)

American Airlines • Coach
Save 100% on your flight
Price was $785, price is now $508 per person
$508
per person
found 1 day ago
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Southern Illinois

End your search for discount fares on flights to Southern Illinois. Orbitz has all the best prices on Southern Illinois flights. With Orbitz, you can expect:

Cheap Deals on Flights to Southern Illinois

We offer big discounts and last-minute savings on Southern Illinois flights. We make it easy for you to research, plan, and book your flight to Southern Illinois — all while offering great low fares. With guaranteed low prices and cutting-edge mobile tools, the perfect trip begins on Orbitz.

Travel Convenience on the Go

Get alerts, updates, or book your Southern Illinois flight or other flights wherever you are. Download our free apps for iPhone, Android, and iPad or visit our mobile site at m.orbitz.com to conveniently review or change your air travel plans. We can also send free alerts about your Southern Illinois flight to your email or mobile phone, so you get advance warning about potential disruptions and flight delays. Need to book a hotel with your Southern Illinois flight? Access exclusive, mobile-only deals via our mobile site and free apps – even on the same day.

Great Customer Care

We want to make your travel booking experience smooth and easy, from planning and researching Southern Illinois flights to the actual booking. If you want to cancel your flight to Southern Illinois, many tickets can be conveniently cancelled online. Contact our Customer Service to make changes to your air ticket.

Miles or Points Toward Frequent Flyer Programs

Much like booking with an airline directly, you can earn frequent flyer miles or points on qualified flights to Southern Illinois with Orbitz. When completing your booking, just fill in your frequent flyer number for the airline you are flying with or for one of its available partner airlines.

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 $64 this past week to Southern Illinois, and rose to a high of $178. A few lucky travelers flying out of Chicago (ORD) managed to bag one-way tickets from just $49.
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.