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$335+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This lol.travel deal was found by Cheapflights users on 4/13. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:03 pm
ORD
-
KIX
2 stops30h 22m
Air Canada
Mon 5/116:00 pm
KIX
-
ORD
1 stop34h 45m
Air Canada
Deal found 4/13$947
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Tue 9/153:40 pm
ORD
-
KIX
1 stop34h 45m
Air Canada
Tue 9/296:00 pm
KIX
-
ORD
1 stop34h 48m
Air Canada
Deal found 4/14$957
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:00 pm
ORD
-
KIX
1 stop39h 15m
Cathay Pacific
Tue 9/295:35 pm
KIX
-
ORD
1 stop34h 20m
Cathay Pacific
Deal found 4/17$966
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Sat 10/108:00 pm
ORD
-
KIX
2 stops30h 25m
Air Canada
Tue 10/206:00 pm
KIX
-
ORD
1 stop34h 48m
Air Canada
Deal found 4/14$967
This FlightHub deal was found by Cheapflights users on 4/13. 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.
Sat 9/129:40 pm
ORD
-
KIX
2 stops28h 45m
Air Canada
Tue 9/226:00 pm
KIX
-
ORD
1 stop34h 48m
Air Canada
Deal found 4/13$971
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Tue 9/89:40 pm
ORD
-
KIX
2 stops28h 45m
Air Canada
Tue 9/226:00 pm
KIX
-
ORD
2 stops27h 51m
Air Canada
Deal found 4/14$975
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Sun 11/15:00 am
ORD
-
KIX
2 stops21h 40m
Air Canada
Mon 11/97:25 pm
KIX
-
ORD
2 stops27h 33m
Air Canada
Deal found 4/14$979
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Tue 9/157:11 am
ORD
-
ITM
2 stops21h 44m
Air Canada
Tue 9/292:00 pm
ITM
-
ORD
2 stops20h 12m
Air Canada
Deal found 4/14$980
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Tue 9/159:40 pm
ORD
-
KIX
2 stops28h 45m
Air Canada
Thu 9/246:00 pm
KIX
-
ORD
2 stops24h 51m
Air Canada
Deal found 4/13$981
This Justfly.com deal was found by Cheapflights users on 4/14. 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.
Tue 9/228:50 am
ORD
-
KIX
1 stop17h 35m
Air Canada
Wed 10/146:00 pm
KIX
-
ORD
1 stop33h 59m
Air Canada
Deal found 4/14$983
This Priceline deal was found by Cheapflights users on 4/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:11 am
ORD
-
ITM
2 stops21h 44m
Air Canada
Thu 9/242:00 pm
ITM
-
ORD
2 stops20h 12m
Air Canada
Deal found 4/13$996
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Sat 12/59:30 pm
ORD
-
NRT
2 stops27h 45m
Air Canada
Mon 12/216:15 pm
NRT
-
ORD
1 stop35h 26m
Air Canada
Deal found 4/13$1,061

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$957
(Air Canada)

One-way from

$335
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,205

Good round-trip deal

$1,258 or less

Good one-way deal

$633 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. 1% potential increase in price ($20 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 April 18, 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

Tue 9/8

6:30 am-2:20 pm

2 stops17h 50m

Tokyo Haneda

Wed 9/23

6:25 pm-11:37 pm

2 stops19h 12m

$1,157

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 9/7

5:10 am-7:00 pm

2 stops23h 50m

Tokyo Haneda

Mon 9/14

5:15 pm-7:31 pm

1 stop16h 16m

$1,197

ChicagoTokyo

ORD - NRT

ORDNRT

Chicago O'Hare Intl

Tue 4/28

4:15 pm-5:15 pm

2 stops35h 00m

Tokyo Narita

Tue 5/5

3:45 pm-1:55 pm

2 stops36h 10m

$1,224

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 8/4

6:14 am-2:00 pm

1 stop17h 46m

Tokyo Narita

Tue 8/11

5:05 pm-10:09 am

2 stops31h 04m

$1,270

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 8/24

5:10 am-7:00 pm

2 stops23h 50m

Tokyo Haneda

Mon 8/31

5:45 pm-11:37 pm

1 stop19h 52m

$1,285

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 8/14

7:05 pm-1:05 pm

2 stops28h 00m

Tokyo Haneda

Thu 8/20

4:20 pm-11:37 pm

2 stops21h 17m

$1,300

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

4:40 pm-2:15 pm

2 stops31h 35m

Tokyo Narita

Wed 9/9

5:05 pm-8:39 pm

2 stops17h 34m

$1,309
Quickest round-trip

ChicagoTokyo

ORD - HND

ORDHND

Chicago O'Hare Intl

Wed 4/29

6:25 am-1:05 pm

1 stop16h 40m

Tokyo Haneda

Fri 5/8

4:20 pm-4:51 pm

1 stop14h 31m

$1,393

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 10/12

6:51 pm-1:55 pm

2 stops29h 04m

Tokyo Haneda

Thu 10/22

10:05 am-11:41 pm

2 stops27h 36m

$1,404

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 8/8

7:03 pm-1:05 pm

2 stops28h 02m

Tokyo Haneda

Mon 8/17

4:35 pm-12:36 am

2 stops22h 01m

$1,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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, August is the cheapest month in which you can book a flight from Illinois to Japan (average of $108). Flying from Illinois to Japan in December is currently the most expensive (average of $2,092). 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 April 18, 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 April 18, 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 15h 54m. Fly via Air Canada, Cathay Pacific, or United Airlines to get the fastest option. Illinois and Japan are separated by a distance of 6350 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 $133 on United Airlines. Other airlines that offer cheap prices include American Airlines from $133 and Southwest from $149 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, August is the cheapest month in which you can book a flight from Illinois to Japan (average of $108). Flying from Illinois to Japan in December is currently the most expensive (average of $2,092). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$613Average$1,187FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$709Average$925FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$838Average$1,375FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$861Average$1,228FlexibilityNo cancel feeOn-time67%
ANACheapest$915Average$1,432FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$939Average$1,440FlexibilityNo cancel feeOn-time79%
EVA AirCheapest$978Average$1,277FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,001Average$1,443FlexibilityNo cancel feeOn-time71%

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