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$414+ Cheap flights from Illinois to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
May 2 — May 91
Cmt 5/2
Cmt 5/9
1 adult, Economy
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Cheap flight deals from Illinois to Japan

Cheapest flights from Illinois to Japan
Explore the most affordable flight options available from Illinois to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Nisan 2, 2026.

This Air Canada deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 4/183:40 pm
ORD
-
KIX
1 stop34h 45m
Air Canada
Pzt 5/46:00 pm
KIX
-
ORD
1 stop34h 45m
Air Canada
Deal found 3/29$953
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 9/153:40 pm
ORD
-
KIX
1 stop34h 45m
Air Canada
Sal 9/296:00 pm
KIX
-
ORD
1 stop34h 48m
Air Canada
Deal found 3/31$957
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 10/198:40 pm
ORD
-
KIX
1 stop29h 45m
Air Canada
Pzt 10/267:25 pm
KIX
-
ORD
1 stop33h 16m
Air Canada
Deal found 3/31$965
This Justfly.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 9/222:40 pm
STL
-
NRT
2 stops34h 15m
Air Canada
Çar 10/75:40 pm
NRT
-
STL
2 stops34h 20m
Air Canada
Deal found 3/29$967
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 10/285:00 am
ORD
-
KIX
2 stops22h 40m
Air Canada
Pzt 11/97:25 pm
KIX
-
ORD
1 stop34h 16m
Air Canada
Deal found 3/31$971
This FlightHub deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 9/212:40 pm
STL
-
NRT
2 stops35h 00m
Air Canada
Pzt 9/285:40 pm
NRT
-
STL
2 stops34h 20m
Air Canada
Deal found 3/29$971
This Air Canada deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 9/28:40 pm
ORD
-
KIX
1 stop29h 45m
Air Canada
Çar 9/166:00 pm
KIX
-
ORD
1 stop15h 48m
Air Canada
Deal found 3/29$973
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 10/284:15 pm
STL
-
NRT
1 stop34h 15m
Air Canada
Çar 11/116:45 pm
NRT
-
STL
1 stop35h 45m
Air Canada
Deal found 3/30$974
This Air Canada deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 9/286:49 pm
STL
-
NRT
2 stops30h 51m
Air Canada
Sal 10/135:40 pm
NRT
-
STL
2 stops28h 57m
Air Canada
Deal found 3/29$975
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 10/108:00 pm
ORD
-
KIX
2 stops30h 25m
Air Canada
Sal 10/206:00 pm
KIX
-
ORD
2 stops19h 57m
Air Canada
Deal found 3/31$977
This Air Canada deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 10/284:15 pm
STL
-
NRT
1 stop34h 15m
Air Canada
Per 11/56:45 pm
NRT
-
STL
2 stops35h 45m
Air Canada
Deal found 3/29$978
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 4/2010:45 pm
ORD
-
KIX
2 stops51h 40m
Air Canada
Sal 5/126:00 pm
KIX
-
ORD
2 stops28h 00m
Air Canada
Deal found 3/31$979

Find flight deals from Illinois to Japan

Keep the following information in mind while searching for Illinois to Japan flight deals. Data was last updated Nisan 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$953
(Air Canada)

One-way from

$414
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,220

Good round-trip deal

$1,104 or less

Good one-way deal

$567 or less
Provider with most accurate pricing for Chicago (CHI)-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Tokyo (TYO) flights.
Search Deals
From Illinois to Japan
Search Deals
One-way flight from Illinois to Japan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Japan.
Search Deals
Price to beat on a one-way flight from Illinois to Japan.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Nisan 2, 2026.
Use the filters below to find and compare flights from Illinois to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Pzt 9/7

6:30 am-2:20 pm

2 stops17h 50m

Tokyo Haneda

Pzt 9/14

3:15 pm-8:50 pm

1 stop19h 35m

$1,107

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Paz 9/6

6:00 am-4:15 pm

2 stops20h 15m

Tokyo Haneda

Paz 9/13

4:20 pm-11:37 pm

2 stops21h 17m

$1,107

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Cmt 9/5

12:30 am-12:10 pm

1 stop21h 40m

Osaka Kansai Intl

Per 9/10

11:10 am-8:45 pm

1 stop23h 35m

$1,116

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Paz 8/30

5:00 am-9:15 pm

1 stop26h 15m

Tokyo Haneda

Per 9/3

3:45 pm-6:56 pm

1 stop17h 11m

$1,189

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sal 8/25

5:00 am-2:30 pm

2 stops19h 30m

Tokyo Narita

Cum 8/28

4:30 pm-9:22 pm

2 stops18h 52m

$1,195

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Paz 8/30

12:30 am-10:10 am

1 stop19h 40m

Osaka Kansai Intl

Cum 9/4

6:30 pm-8:45 pm

1 stop40h 15m

$1,216

ChicagoTokyo

MDW - HND

MDWHND

Chicago Midway

Çar 4/22

6:00 am-2:20 pm

1 stop18h 20m

Tokyo Haneda

Cum 5/8

4:20 pm-9:09 pm

2 stops18h 49m

$1,217

ChicagoTokyo

MDW - HND

MDWHND

Chicago Midway

Pzt 4/27

6:00 am-2:20 pm

1 stop18h 20m

Tokyo Haneda

Cum 5/8

4:20 pm-9:09 pm

2 stops18h 49m

$1,217

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Paz 4/26

6:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Cum 5/15

12:55 pm-9:41 pm

2 stops22h 46m

$1,221

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Cmt 8/22

6:55 pm-4:25 am

2 stops19h 30m

Tokyo Haneda

Cmt 9/5

6:10 pm-11:50 pm

2 stops19h 40m

$1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Japan

What is the cheapest month to book a flight from Illinois to Japan?

Currently, September is the cheapest month in which you can book a flight from Illinois to Japan (average of $661). Flying from Illinois to Japan in June is currently the most expensive (average of $1,115). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to JP?

Find hourly flight availability from Illinois to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Nisan 2, 2026.

One of the essential ways to save on airfare from Illinois to Japan is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% on airfare.

What is the cheapest day to fly from Illinois to Japan?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Japan. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their Illinois to Japan flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Japan?

    There are many flights that can get you from Illinois to Japan in 17h 50m. Fly via Delta, EVA Air, or United Airlines to get the fastest option. Illinois and Japan are separated by a distance of 6383 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Japan one-way?

    One-way options have recently been found by users for as low as $155 on United Airlines. Other airlines that offer cheap prices include WestJet from $395 and Cathay Pacific from $422 one-way.

  • Can I find deals for flights from Illinois to Japan that include hotel bookings?

    Yes. In addition to deals on Illinois to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Japan.

  • Can I find deals for business class flights from Illinois to Japan?

    Yes. Cheapflights offers flight deals from Illinois to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Japan?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Japan (average of $661). Flying from Illinois to Japan in June is currently the most expensive (average of $1,115). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Japan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Illinois to Japan

Discover the top 8 airlines that operate flights from Illinois to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated Nisan 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$613Average$1,187FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$709Average$926FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$781Average$1,368FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$861Average$1,230FlexibilityNo cancel feeOn-time67%
ANACheapest$915Average$1,437FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$939Average$1,447FlexibilityNo cancel feeOn-time79%
EVA AirCheapest$978Average$1,277FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,001Average$1,389FlexibilityNo cancel feeOn-time71%

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