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$336+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FUK
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Illinois to Japan

Keep the following information in mind while searching for Illinois to Japan flight deals. Data was last updated July 3, 2025.

Round-trip from

$622
(Air Canada)

One-way from

$336
(Orbitz)

Popular in

December

Cheapest in

September

Average price

$1,613

Good round-trip deal

$987 or less

Good one-way deal

$559 or less
From Illinois to Japan
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One-way flight from Illinois to Japan
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Highest demand for flights based on searches. 2% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Japan.
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Price to beat on a one-way flight from Illinois to Japan.
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Find 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 July 3, 2025.

This Air Canada deal was found by Cheapflights users on 7/2. 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.
Mon 9/11:30 pmSTL - NRT
1 stop35h 55mAir Canada
Fri 9/125:35 pmNRT - STL
2 stops32h 50mAir Canada
Deal found 7/2$622
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Mon 9/19:15 amSTL - HND
1 stop16h 35mAir Canada
Wed 9/106:10 pmHND - STL
2 stops30h 30mAir Canada
Deal found 7/2$634
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:00 amSTL - NRT
1 stop18h 00mAlaska Airlines
Wed 12/106:25 pmNRT - STL
1 stop20h 31mAlaska Airlines
Deal found 7/2$686
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Mon 12/86:45 pmSTL - HND
2 stops30h 55mMultiple Airlines
Sat 12/206:50 pmHND - STL
1 stop35h 39mMultiple Airlines
Deal found 7/1$712
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:00 pmORD - KIX
1 stop24h 40mCathay Pacific
Sun 8/3110:00 amKIX - ORD
1 stop42h 25mCathay Pacific
Deal found 6/30$746
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Wed 11/126:15 amSTL - HND
1 stop18h 05mANA
Wed 11/266:20 pmHND - STL
1 stop16h 05mANA
Deal found 7/3$752
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:30 amSTL - HND
1 stop17h 50mDelta
Wed 12/108:00 pmHND - STL
1 stop16h 59mDelta
Deal found 7/2$760
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:45 amSTL - HND
2 stops23h 25mUnited Airlines
Thu 12/44:25 pmHND - STL
1 stop15h 01mUnited Airlines
Deal found 7/2$763
This CrystalTravel deal was found by Cheapflights users on 7/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/144:00 pmORD - NRT
2 stops35h 15mCathay Pacific
Fri 9/269:40 pmNRT - ORD
1 stop30h 45mCathay Pacific
Deal found 7/2$817
This oojo deal was found by Cheapflights users on 7/2. 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.
Mon 8/254:00 pmORD - HND
1 stop31h 55mCathay Pacific
Fri 9/54:20 pmHND - ORD
1 stop36h 05mCathay Pacific
Deal found 7/2$819
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:50 pmORD - NRT
2 stops28h 30mMultiple Airlines
Fri 9/262:35 pmNRT - ORD
1 stop17h 36mMultiple Airlines
Deal found 7/1$831
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Fri 9/52:39 pmMDW - NRT
1 stop33h 41mMultiple Airlines
Mon 9/2210:30 amNRT - MDW
1 stop24h 29mMultiple Airlines
Deal found 6/30$858

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 July 3, 2025.
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

Mon 9/1

1:30 pm-3:25 pm

1 stop35h 55m

Tokyo Narita

Fri 9/12

5:35 pm-12:25 pm

2 stops32h 50m

$622

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 9/1

9:15 am-3:50 pm

1 stop16h 35m

Tokyo Haneda

Wed 9/10

6:10 pm-10:40 am

2 stops30h 30m

$634

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/3

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Mon 9/8

6:25 pm-11:59 pm

1 stop19h 34m

$732

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 8/18

4:00 pm-6:40 am

1 stop24h 40m

Osaka Kansai Intl

Sun 8/31

10:00 am-2:25 pm

1 stop42h 25m

$746

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 8/31

8:20 am-3:25 pm

1 stop17h 05m

Tokyo Haneda

Wed 9/10

5:15 pm-7:27 pm

1 stop16h 12m

$756

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 9/13

6:00 am-2:30 pm

1 stop18h 30m

Tokyo Narita

Sat 9/27

4:30 pm-11:58 pm

1 stop21h 28m

$766

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 8/30

4:40 pm-4:30 am

2 stops21h 50m

Tokyo Haneda

Wed 9/10

5:15 pm-9:32 pm

1 stop18h 17m

$767

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 8/30

3:36 pm-1:05 pm

2 stops31h 29m

Tokyo Haneda

Wed 9/10

4:25 pm-10:02 pm

2 stops19h 37m

$768

ChicagoTokyo

ORD - NRT

ORDNRT

Chicago O'Hare Intl

Sun 9/14

4:00 pm-5:15 pm

2 stops35h 15m

Tokyo Narita

Fri 9/26

9:40 pm-2:25 pm

1 stop30h 45m

$817

ChicagoTokyo

ORD - HND

ORDHND

Chicago O'Hare Intl

Mon 8/25

4:00 pm-1:55 pm

1 stop31h 55m

Tokyo Haneda

Fri 9/5

4:20 pm-2:25 pm

1 stop36h 05m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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, February is the cheapest month in which you can book a flight from Illinois to Japan (average of $871). Flying from Illinois to Japan in December is currently the most expensive (average of $1,624). 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Japan as you normally would.

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with EVA Air, ANA, and Korean Air from Illinois to Japan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,214 reviews
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
893 reviews
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,101 reviews
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,503 reviews
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
747 reviews
EVA Air
8.4
Very good
1,214 reviews

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • 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 $336 on Air Canada. Other airlines that offer cheap prices include Japan Airlines from $432 and Alaska Airlines from $438 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, February is the cheapest month in which you can book a flight from Illinois to Japan (average of $871). Flying from Illinois to Japan in December is currently the most expensive (average of $1,624). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$143Average$1,688FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$757Average$1,585FlexibilityNo cancel feeOn-time69%
DeltaCheapest$820Average$1,206FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$823Average$964FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$827Average$1,184FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$880Average$891FlexibilityNo cancel feeOn-time85%
ANACheapest$983Average$1,681FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,005Average$1,278FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$1,155Average$1,712FlexibilityNo cancel feeOn-time79%

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