￥56,780 Cheap Flights to Southern Illinois, IL

View ￥56,780 flight on Thu, Feb 12, 2026Opens in a new window

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How much is the cheapest flight to Southern Illinois?

Prices were available within the past 7 days and start at ￥56,780 for one-way flights and ￥92,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 20 - Tue, Feb 24
HND
Tokyo
STL
St. Louis
￥92,130 Roundtrip, just found
￥92,130
Roundtrip
just found
Select American Airlines flight, departing Fri, Feb 20 from Tokyo to St. Louis, returning Tue, Feb 24, priced at ￥92,130 just found
Delta
Fri, Feb 20 - Tue, Feb 24
HND
Tokyo
STL
St. Louis
￥92,360 Roundtrip, just found
￥92,360
Roundtrip
just found
Select Delta flight, departing Fri, Feb 20 from Tokyo to St. Louis, returning Tue, Feb 24, priced at ￥92,360 just found
United
Wed, Feb 11 - Mon, Feb 16
HND
Tokyo
STL
St. Louis
￥96,630 Roundtrip, found 1 hour ago
￥96,630
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Feb 11 from Tokyo to St. Louis, returning Mon, Feb 16, priced at ￥96,630 found 1 hour ago
Air Canada
Wed, Apr 22 - Sat, May 9
NRT
Tokyo
STL
St. Louis
￥102,780 Roundtrip, found 6 hours ago
￥102,780
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Wed, Apr 22 from Tokyo to St. Louis, returning Sat, May 9, priced at ￥102,780 found 6 hours ago
Hawaiian Airlines
Fri, Feb 13 - Wed, Feb 25
NRT
Tokyo
STL
St. Louis
￥127,340 Roundtrip, found 4 days ago
￥127,340
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Fri, Feb 13 from Tokyo to St. Louis, returning Wed, Feb 25, priced at ￥127,340 found 4 days ago

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. ￥92,130 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 ￥92,130 and ￥127,340. Many lucky travelers scored one-way seats from Tokyo (NRT) for just ￥56,780.
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 ￥92,130 to ￥127,340 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.

Book with confidence

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.

If you're looking to save even more, find additional savings by combining your Southern Illinois flight with a hotel to create a personalized bargain travel package. Early birds can discover fantastic savings by booking in advance, while last minute travelers can enjoy great last minute deals. With Expedia, there’s no shortage of options to save even more on your Southern Illinois trip!

Travel information

Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
￥92,130

Trending flights to Southern Illinois

Prices were available within the past 7 days and start at ￥56,780 for one-way flights and ￥92,130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 20 - Tue, Feb 24
HND
Tokyo
STL
St. Louis
￥92,130 Roundtrip, just found
￥92,130
Roundtrip
just found
Select American Airlines flight, departing Fri, Feb 20 from Tokyo to St. Louis, returning Tue, Feb 24, priced at ￥92,130 just found

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