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Find cheap flights from Illinois to Japan from $457

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to Japan departing on 7/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 6/30
Sun 7/7

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

August

High season

March

Cheapest flight

$457
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly with an average 7% increase in price.
Flight from St. Louis to Tokyo Narita Airport

FAQs for booking flights from Illinois to Japan

  • How does KAYAK find such low prices on flights from Illinois to Japan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Japan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Japan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Japan from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Japan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Japan with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Japan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Japan from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to Japan

Recent round-trip flight deals

9/9Mon
1 stopAir Canada
34h 40mORD-KIX
9/25Wed
1 stopAir Canada
25h 40mKIX-ORD
$863
9/9Mon
2 stopsAir Canada
20h 55mORD-KIX
9/25Wed
2 stopsAir Canada
27h 58mKIX-ORD
$869
11/7Thu
2 stops
24h 02mORD-KIX
11/21Thu
2 stops
29h 22mKIX-ORD
$913
8/29Thu
1 stopCathay Pacific
31h 50mORD-HND
9/9Mon
1 stopCathay Pacific
42h 20mHND-ORD
$958
10/3Thu
1 stopCathay Pacific
39h 20mORD-KIX
10/14Mon
1 stopCathay Pacific
42h 25mKIX-ORD
$971
11/7Thu
2 stops
34h 15mORD-KIX
11/21Thu
2 stops
22h 57mKIX-ORD
$990
8/1Thu
1 stopAmerican Airlines
17h 51mSTL-HND
8/18Sun
1 stopAmerican Airlines
22h 23mHND-STL
$1,002
8/1Thu
1 stopAmerican Airlines
17h 40mSTL-HND
8/18Sun
1 stopAmerican Airlines
16h 13mHND-STL
$1,003
8/31Sat
1 stopUnited Airlines
17h 45mSTL-NRT
9/14Sat
1 stopUnited Airlines
14h 06mNRT-STL
$1,003
10/17Thu
2 stopsUnited Airlines
20h 00mSTL-HND
10/26Sat
1 stopUnited Airlines
15h 42mHND-STL
$1,024

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Recent one-way flight deals

7/22Mon
2 stops
32h 08mSTL-NRT
$457
9/18Wed
2 stops
36h 34mSTL-NRT
$503
9/18Wed
1 stopANA
21h 35mSTL-HND
$533
9/18Wed
1 stopANA
15h 30mSTL-NRT
$533
10/15Tue
1 stopJapan Airlines
17h 50mSTL-HND
$539
10/15Tue
1 stopJapan Airlines
18h 40mSTL-NRT
$539
9/18Wed
2 stopsAmerican Airlines
19h 18mSTL-HND
$540
10/15Tue
2 stopsAmerican Airlines
19h 01mSTL-NRT
$540
8/21Wed
1 stopAir Canada
34h 40mORD-KIX
$561
7/16Tue
1 stopAir Canada
19h 40mORD-HND
$567

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Last minute flights from Illinois to Japan

Last minute flight, train and bus deals

6/5Wed
multi-stop
30h 13mORD-NRT
6/11Tue
multi-stop
24h 25mNRT-ORD
$1,208
6/5Wed
multi-stop
30h 13mORD-NRT
6/12Wed
multi-stop
29h 44mNRT-ORD
$1,244
6/3Mon
multi-stopAir Canada
16h 40mORD-NRT
7/15Mon
multi-stopAir Canada
35h 26mNRT-ORD
$1,387
6/5Wed
multi-stopUnited Airlines
17h 35mORD-HND
6/11Tue
nonstopUnited Airlines
12h 05mHND-ORD
$1,404
6/5Wed
multi-stopDelta
17h 25mORD-HND
6/14Fri
multi-stopDelta
17h 13mHND-ORD
$1,415
6/5Wed
multi-stopDelta
20h 30mORD-HND
6/11Tue
multi-stopDelta
19h 22mHND-ORD
$1,420
6/5Wed
multi-stopAmerican Airlines
18h 20mORD-HND
6/12Wed
nonstopAmerican Airlines
11h 50mHND-ORD
$1,454
6/3Mon
multi-stopAir Canada
19h 40mORD-HND
6/17Mon
multi-stopAir Canada
28h 18mHND-ORD
$1,474
6/2Sun
multi-stopAmerican Airlines
18h 45mSTL-NRT
6/4Tue
multi-stopAmerican Airlines
18h 29mNRT-STL
$2,215
6/3Mon
multi-stopUnited Airlines
15h 55mSTL-HND
6/5Wed
multi-stopUnited Airlines
20h 00mHND-STL
$2,285

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