£63 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 £63 for one-way flights and £117 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.

Southern Airways Express
Thu, 9 May - Sun, 12 May
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
£117 Return, found 2 days ago
£117
Return
found 2 days ago
Select Southern Airways Express flight, departing Thu, 9 May from O'Hare Intl. to Lambert-St. Louis Intl., returning Sun, 12 May, priced at £117 found 2 days ago
Southern Airways Express
Thu, 9 May - Sun, 12 May
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
£125 Return, found 2 days ago
£125
Return
found 2 days ago
Select Southern Airways Express flight, departing Thu, 9 May from O'Hare Intl. to Lambert-St. Louis Intl., returning Sun, 12 May, priced at £125 found 2 days ago
Delta
Tue, 28 May - Wed, 19 Jun
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
£125 Return, found 21 hours ago
£125
Return
found 21 hours ago
Select Delta flight, departing Tue, 28 May from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, 19 Jun, priced at £125 found 21 hours ago
United
Sat, 25 May - Sun, 16 Jun
ORD
O'Hare Intl.
DEC
Decatur
£126 Return, found 21 hours ago
£126
Return
found 21 hours ago
Select United flight, departing Sat, 25 May from O'Hare Intl. to Decatur, returning Sun, 16 Jun, priced at £126 found 21 hours ago
Frontier Airlines
Wed, 15 May - Sat, 18 May
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
£134 Return, found 18 hours ago
£134
Return
found 18 hours ago
Select Frontier Airlines flight, departing Wed, 15 May from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, 18 May, priced at £134 found 18 hours ago

Expedia 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 Illinois. Expedia provides the cheapest flights to many destinations in Illinois and you may find even greater savings if you combine your flight with a hotel stay in Southern Illinois.

Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets 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. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Southern Illinois flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price.

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. £117 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 £117 and £817. Many lucky travellers scored one-way seats from Chicago (ORD) for just £63.
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.

When is the cheapest time to fly to Southern Illinois?
If you’d prefer to spend your cash experiencing Southern Illinois rather than on your flight there, leave earlier in the week. The cheapest day to travel is normally Tuesday, with Monday a close second. With many folks travelling on the weekend, Saturday typically has the highest ticket prices.
How much is a plane ticket to Southern Illinois?
Airfares varied from £117 to £817 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
£168

Trending flights to Southern Illinois

Prices were available within the past 7 days and start at £63 for one-way flights and £117 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.

Iberia
Mon, 16 Sep - Wed, 2 Oct
LHR
Heathrow
STL
Lambert-St. Louis Intl.
£694 Return, found 3 days ago
£694
Return
found 3 days ago
Select Iberia flight, departing Mon, 16 Sep from Heathrow to Lambert-St. Louis Intl., returning Wed, 2 Oct, priced at £694 found 3 days ago
*Available to Expedia members.