Cheap flights To Southern Illinois (STL) from $78

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Cheap Flights to Southern Illinois from $78 One Way, $155 Round Trip

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

Fri, Nov 13 - Mon, Nov 16
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 11 hours ago
$155
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $155 found 11 hours ago
Fri, Nov 13 - Sat, Nov 14
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 6 hours ago
$160
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $160 found 6 hours ago
Thu, Nov 5 - Mon, Nov 9
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$165 Roundtrip, found 7 hours ago
$165
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, Nov 5 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Nov 9, priced at $165 found 7 hours ago
Fri, Dec 4 - Mon, Dec 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$169 Roundtrip, found 15 hours ago
$169
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Dec 7, priced at $169 found 15 hours ago
Fri, Nov 13 - Sat, Nov 14
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$170 Roundtrip, found 6 hours ago
$170
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $170 found 6 hours ago
Sat, Nov 14 - Fri, Dec 4
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Nov 14 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Fri, Dec 4, priced at $180 found 1 day ago
Fri, Dec 4 - Mon, Dec 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$188 Roundtrip, found 15 hours ago
$188
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Dec 4 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Dec 7, priced at $188 found 15 hours ago
Thu, Nov 5 - Sat, Nov 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 5 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $190 found 3 days ago
Thu, Nov 5 - Sat, Nov 7
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Nov 5 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $192 found 3 days ago
Sat, Nov 14 - Fri, Dec 4
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Nov 14 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Fri, Dec 4, priced at $194 found 1 day ago

Southern Illinois Flight Information

Traveling To
Southern Illinois
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines, Delta, Alaska Airlines
Flight Price
$155
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.
The Cheshire
4.0-star property

The Cheshire

Dec 3 - Dec 6

3 night stay

Washington (WAS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Washington (WAS)

American Airlines • Coach
Price was $756, price is now $624 per person
$624
per person
found 14 hours ago
Ameristar Casino Resort and Spa
4.5-star property

Ameristar Casino Resort and Spa

Dec 3 - Dec 6

3 night stay

Washington (WAS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Washington (WAS)

American Airlines • Coach
Price was $771, price is now $650 per person
$650
per person
found 14 hours ago
The Westin St. Louis
4.5-star property

The Westin St. Louis

Dec 3 - Dec 6

3 night stay

Washington (WAS) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Washington (WAS)

American Airlines • Coach
Price was $781, price is now $662 per person
$662
per person
found 14 hours ago
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Southern Illinois

Get the absolute lowest prices on flights to Southern Illinois by shopping with Orbitz. Orbitz is the most efficient travel planner around, allowing you to search, compare and book discount domestic and international flights fast. With cutting-edge mobile tools and access to frequent flier rewards programs, we have everything you need for both your routine and holiday excursions.

Book Your Flight To Southern Illinois Using Your Mobile Device

New mobile app tools enable those with hand-held devices to scout out the best bargains and to secure tickets from any location. If you have an iPhone, iPad or Android device, you may take advantage of special discounts, only available to mobile device customers, when you book hotel rooms or car rentals on the same day as booking Southern Illinois flights.

Avoid Check-In Hassles When Traveling On Flights to Southern Illinois

Orbitz also provides an array of resources that can help you eliminate most check-in hassles. Detailed baggage information is continually available for Southern Illinois flights. Mobile apps can also be used to share travel itineraries with family members or business associates.

Keeping Everyone Up To Date

When you download the free Orbitz mobile phone app, you can get regular and free flight updates. These will keep you informed of important scheduling changes. Updates can even be sent to several contacts, helping to keep everyone current on anticipated arrival times and all other relevant flight details.

Orbitz makes traveling on a budget very easy to do. We provide everything you need to plan your ideal trip from start to finish. Getting there and back again is a snap when you book your Southern Illinois flight using Orbitz.

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 $155 this past week to Southern Illinois, and rose to a high of $194. A few lucky travelers flying out of Los Angeles (LAX) managed to bag one-way tickets from just $78.
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.