Cheap Flights to Southern Illinois

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Cheap round-trip flights to Southern Illinois

Prices were available within the past 7 days and start at ฿4,325 for one-way flights and ฿9,815 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 14 Jul - Sat, 20 Jul
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
฿9,815 Return, found 1 day ago
฿9,815
Return
found 1 day ago
Select Delta flight, departing Sun, 14 Jul from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, 20 Jul, priced at ฿9,815 found 1 day ago
American Airlines
Fri, 27 Sep - Thu, 10 Oct
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
฿15,225 Return, found 1 day ago
฿15,225
Return
found 1 day ago
Select American Airlines flight, departing Fri, 27 Sep from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, 10 Oct, priced at ฿15,225 found 1 day ago
United
Sun, 14 Jul - Sat, 20 Jul
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
฿16,685 Return, found 1 day ago
฿16,685
Return
found 1 day ago
Select United flight, departing Sun, 14 Jul from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, 20 Jul, priced at ฿16,685 found 1 day ago
United
Fri, 27 Sep - Thu, 10 Oct
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
฿20,045 Return, found 1 day ago
฿20,045
Return
found 1 day ago
Select United flight, departing Fri, 27 Sep from San Francisco Intl. to Lambert-St. Louis Intl., returning Thu, 10 Oct, priced at ฿20,045 found 1 day ago
Lufthansa
Thu, 12 Sep - Sun, 29 Sep
BKK
Suvarnabhumi Intl.
STL
Lambert-St. Louis Intl.
฿42,400 Return, found 3 days ago
฿42,400
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 12 Sep from Suvarnabhumi Intl. to Lambert-St. Louis Intl., returning Sun, 29 Sep, priced at ฿42,400 found 3 days ago

Flights to Southern Illinois

Searching for cheap flights to Southern Illinois? No travel company presents more choices than Expedia if you're looking to compare flights to Southern Illinois. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Southern Illinois. Expedia provides the cheapest flights to Southern Illinois and you may find even greater savings if you combine your flight to Southern Illinois with a hotel stay. Travellers who are flexible about flight times can benefit from last minute cheap flights to Southern Illinois.

Expedia is the largest online travel agency which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Southern Illinois for that period and let you choose your preferred time and airline.

Frequently asked questions

How do I find cheap flights to Southern Illinois that have flexible change policies?
When it comes to flying these days, flexibility is key. That’s why we have a “No change fee” search function to help you find flexible, low-priced tickets to Southern Illinois. It’s on the left of your screen underneath the “Flexible change policies” heading.
Which airlines fly to Southern Illinois?
Work out your travel dates and then fly into or near Southern Illinois with one of these well-known airlines:

  • Southwest Airlines - 2,214 flights to or near Southern Illinois each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 971 flights to or near Southern Illinois each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 728 flights to or near Southern Illinois each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to Southern Illinois?
You’ll always nab a fabulous deal with Expedia, but our “flexible dates” search function makes it that much easier. Enter your preferred travel date, then click on the flexible dates link above to see a list of prices for nearby days. ฿9,815 was the best price for a flight to Southern Illinois in the last seven days.
How much is a flight to Southern Illinois?
There were a lot of low-cost fares for the taking in the last seven days, with the price of a return ticket to Southern Illinois varying between ฿9,815 and ฿42,400. Many lucky travellers scored one-way seats from San Francisco (SFO) for just ฿4,325.
What are the most popular airports to fly into in Southern Illinois?
Jet off to Southern Illinois and you’ll have a few airports to decide between. Here are some of the region’s busiest:

  • Lambert-St. Louis Intl. Airport (STL) - 4,902 flights per month.
  • Evansville Regional Airport (EVV) - 277 flights per month.
  • Williamson County Regional Airport (MWA) - 156 flights per month.

How much is a plane ticket to Southern Illinois?
Airfares varied from ฿9,815 to ฿42,400 over the last seven days. When you’re ready to book, we’re here to help you pick up the best price to Southern Illinois.
What months are the cheapest to book a flight to Southern Illinois?
To pick up an awesome deal to Southern Illinois, book during February when prices are at their cheapest. The most expensive time to book? In the U.S, it’s the festive month of December.
Flights to Southern Illinois information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Return price
฿7,305

Trending flights to Southern Illinois

Prices were available within the past 7 days and start at ฿4,325 for one-way flights and ฿9,815 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 12 Sep - Sun, 29 Sep
BKK
Suvarnabhumi Intl.
STL
Lambert-St. Louis Intl.
฿42,400 Return, found 3 days ago
฿42,400
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 12 Sep from Suvarnabhumi Intl. to Lambert-St. Louis Intl., returning Sun, 29 Sep, priced at ฿42,400 found 3 days ago
*Available to Expedia members.