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$315+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
feb. 1 — feb. 81
dom. 2/1
dom. 2/8
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 enero 2, 2026.

This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - NRT
1 stop29h 00mAir Canada
mié. 1/146:45 pmNRT - ORD
1 stop18h 20mAir Canada
Deal found 12/31$901
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - NRT
1 stop29h 00mAir Canada
lun. 1/126:15 pmNRT - ORD
1 stop35h 26mAir Canada
Deal found 12/31$1,006
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - NRT
1 stop29h 00mAir Canada
sáb. 1/106:15 pmNRT - ORD
1 stop35h 26mAir Canada
Deal found 12/31$1,156
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - HND
1 stop29h 10mAir Canada
mié. 1/146:50 pmHND - ORD
1 stop15h 55mAir Canada
Deal found 12/31$1,223
This Booking.com deal was found by Cheapflights users on 12/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/314:05 pmSTL - NRT
1 stop33h 25mAir Canada
mié. 1/76:45 pmNRT - STL
1 stop35h 44mAir Canada
Deal found 12/31$1,268
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/313:40 pmORD - NRT
1 stop33h 40mAir Canada
dom. 1/116:45 pmNRT - ORD
1 stop16h 00mAir Canada
Deal found 12/31$1,326
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/314:05 pmSTL - HND
1 stop33h 35mAir Canada
mié. 1/76:50 pmHND - STL
2 stops31h 12mAir Canada
Deal found 12/31$1,389
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - NRT
1 stop29h 00mAir Canada
jue. 1/86:15 pmNRT - ORD
1 stop35h 26mAir Canada
Deal found 12/31$1,415
This Air Canada deal was found by Cheapflights users on 12/30. 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.
mié. 12/318:30 pmORD - HND
1 stop29h 10mAir Canada
mié. 1/76:50 pmHND - ORD
1 stop15h 55mAir Canada
Deal found 12/30$1,420
This Air Canada deal was found by Cheapflights users on 12/30. 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.
mié. 12/317:05 amORD - NRT
1 stop18h 25mAir Canada
mié. 1/76:15 pmNRT - ORD
1 stop35h 26mAir Canada
Deal found 12/30$1,422
This Air Canada deal was found by Cheapflights users on 12/31. 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.
mié. 12/318:30 pmORD - HND
1 stop29h 10mAir Canada
lun. 1/126:50 pmHND - ORD
1 stop15h 55mAir Canada
Deal found 12/31$1,437
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:08 pmORD - HND
1 stop34h 07mMultiple Airlines
vie. 1/98:05 pmHND - ORD
2 stops33h 52mMultiple Airlines
Deal found 12/30$2,040

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 enero 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$659
(Kiwi.com)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,138

Good round-trip deal

$950 or less

Good one-way deal

$536 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. 14% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 enero 2, 2026.
Use the filters below to find and compare flights from Illinois to Japan that are best for you.

Fly from

Illinois

Fly to

Japan

Route

Depart

Return

Price

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 2/22

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

jue. 2/26

6:30 pm-11:59 pm

1 stop20h 29m

$671

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/9

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

vie. 2/27

6:30 pm-11:59 pm

1 stop20h 29m

$679

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 2/20

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

dom. 3/1

6:30 pm-11:59 pm

1 stop20h 29m

$698

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 2/27

2:47 pm-4:00 pm

1 stop34h 13m

Tokyo Narita

dom. 3/8

6:30 pm-11:59 pm

1 stop19h 29m

$707

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

dom. 2/8

9:57 am-5:45 pm

1 stop16h 48m

Tokyo Haneda

vie. 2/27

6:20 pm-9:05 pm

1 stop17h 45m

$738

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mié. 1/21

6:30 am-3:40 pm

2 stops18h 10m

Tokyo Narita

mié. 1/28

5:35 pm-7:27 pm

2 stops16h 52m

$750

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 1/20

8:45 am-3:40 pm

1 stop15h 55m

Tokyo Narita

mar. 1/27

5:35 pm-8:58 pm

2 stops18h 23m

$750

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

sáb. 2/28

8:30 am-4:50 pm

1 stop17h 20m

Tokyo Haneda

mar. 3/10

4:25 pm-10:25 pm

1 stop20h 00m

$760

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

vie. 2/20

9:55 am-5:45 pm

1 stop16h 50m

Tokyo Haneda

dom. 3/1

4:50 pm-8:23 pm

1 stop18h 33m

$779

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

vie. 2/20

5:50 pm-3:20 pm

2 stops30h 30m

Tokyo Haneda

dom. 3/1

5:20 pm-11:36 pm

2 stops21h 16m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 60 results
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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 $576). Flying from Illinois to Japan in December is currently the most expensive (average of $1,005). 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 enero 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 50% 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 December 27, 2025.

Travelers seeking maximum savings on their Illinois to Japan flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday at noon 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 16h 48m. Fly via United Airlines, Cathay Pacific, or Japan 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 $95 on Frontier. Other airlines that offer cheap prices include American Airlines from $109 and Southwest from $130 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 $576). Flying from Illinois to Japan in December is currently the most expensive (average of $1,005). 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 9 airlines flying from Illinois to Japan

Discover the top 9 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 enero 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$1,292FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$648Average$1,360FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$709Average$943FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$781Average$1,474FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$824Average$1,178FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$880Average$891FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$951Average$1,781FlexibilityNo cancel feeOn-time71%
ANACheapest$984Average$1,646FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$1,079Average$1,599FlexibilityNo cancel feeOn-time79%

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