￥70,650 Cheap Flights to Southern Illinois, IL

View ￥70,650 flight on Wed, Jun 3, 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 ￥70,650 for one-way flights and ￥108,270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 24 - Tue, Sep 22
HND
Tokyo
STL
St. Louis
￥108,270 Roundtrip, found 16 hours ago
￥108,270
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Aug 24 from Tokyo to St. Louis, returning Tue, Sep 22, priced at ￥108,270 found 16 hours ago
United
Thu, Apr 16 - Wed, Apr 22
HND
Tokyo
STL
St. Louis
￥114,170 Roundtrip, found 4 days ago
￥114,170
Roundtrip
found 4 days ago
Select United flight, departing Thu, Apr 16 from Tokyo to St. Louis, returning Wed, Apr 22, priced at ￥114,170 found 4 days ago
Delta
Mon, Aug 24 - Tue, Sep 22
HND
Tokyo
STL
St. Louis
￥114,300 Roundtrip, found 16 hours ago
￥114,300
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Aug 24 from Tokyo to St. Louis, returning Tue, Sep 22, priced at ￥114,300 found 16 hours ago
Air Canada
Wed, Jul 1 - Thu, Jul 30
KIX
Osaka
STL
St. Louis
￥161,350 Roundtrip, found 13 hours ago
￥161,350
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Wed, Jul 1 from Osaka to St. Louis, returning Thu, Jul 30, priced at ￥161,350 found 13 hours ago
Alaska Airlines
Sat, May 16 - Sun, Aug 2
NRT
Tokyo
STL
St. Louis
￥162,180 Roundtrip, found 3 days ago
￥162,180
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Tokyo to St. Louis, returning Sun, Aug 2, priced at ￥162,180 found 3 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. ￥108,270 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 ￥108,270 and ￥162,180. Many lucky travelers scored one-way seats from Tokyo (HND) for just ￥70,650.
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 ￥108,270 to ￥162,180 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.

Travel information

Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
￥108,270

Trending flights to Southern Illinois

Prices were available within the past 7 days and start at ￥70,650 for one-way flights and ￥108,270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 24 - Tue, Sep 22
HND
Tokyo
STL
St. Louis
￥108,270 Roundtrip, found 16 hours ago
￥108,270
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Aug 24 from Tokyo to St. Louis, returning Tue, Sep 22, priced at ￥108,270 found 16 hours ago

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