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$444+ Cheap flights from Osaka (OSA) to Illinois

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.
OSA — ORD
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Osaka to Illinois

Keep the following information in mind while searching for Osaka to Illinois flight deals. Data was last updated June 16, 2025.

Round-trip from

$1,052
(Mytrip)

One-way from

$444
(Kiwi.com)
From Osaka (OSA) to Illinois
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One-way flight from Osaka (OSA) to Illinois
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Find flight deals from Osaka to Illinois

Cheapest flights from Osaka to Illinois
Explore the most affordable flight options available from Osaka to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:40 amKIX - ORD
3 stops37h 11mMultiple Airlines
Fri 7/116:40 amORD - KIX
2 stops22h 50mMultiple Airlines
Deal found 6/14$1,052
This HIS deal was found by Cheapflights users on 6/14. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/71:10 pmKIX - ORD
1 stop22h 00mEVA Air
Thu 7/1012:30 amORD - KIX
1 stop19h 40mEVA Air
Deal found 6/14$1,106
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:35 pmKIX - ORD
1 stop32h 50mCathay Pacific
Thu 7/314:00 pmORD - KIX
1 stop24h 40mCathay Pacific
Deal found 6/14$1,284
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Mon 7/76:05 pmKIX - ORD
1 stop34h 49mAir Canada
Fri 7/116:20 pmORD - KIX
1 stop32h 05mAir Canada
Deal found 6/14$1,442
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:10 amITM - ORD
2 stops26h 00mMultiple Airlines
Thu 7/318:40 amORD - ITM
2 stops20h 15mMultiple Airlines
Deal found 6/14$1,895
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Wed 7/303:00 pmITM - ORD
2 stops21h 05mAir Canada
Wed 8/277:10 amORD - ITM
2 stops22h 00mAir Canada
Deal found 6/14$2,029
This ANA deal was found by Cheapflights users on 6/15. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:30 amITM - ORD
1 stop15h 10mANA
Sat 8/1611:50 amORD - ITM
1 stop17h 05mANA
Deal found 6/15$2,081
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 7/3012:35 pmKIX - MDW
2 stops37h 54mDelta
Wed 8/612:43 pmMDW - KIX
2 stops38h 22mDelta
Deal found 6/15$2,091
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 7/309:05 amKIX - ORD
2 stops28h 51mDelta
Wed 8/68:30 amORD - KIX
2 stops22h 30mDelta
Deal found 6/15$2,091
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 7/308:25 amKIX - ORD
1 stop20h 55mUnited Airlines
Wed 8/69:40 pmORD - KIX
1 stop27h 10mUnited Airlines
Deal found 6/15$2,108
This JTB deal was found by Cheapflights users on 6/15. 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 JTB is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3012:00 pmITM - ORD
1 stop17h 20mUnited Airlines
Wed 8/67:20 amORD - ITM
2 stops19h 45mUnited Airlines
Deal found 6/15$2,112
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/72:35 pmITM - ORD
1 stop15h 25mAmerican Airlines
Fri 7/1110:17 pmORD - ITM
2 stops20h 18mAmerican Airlines
Deal found 6/14$2,166

Cheapflights Fare Finder

Customize your flight search to find flights from Osaka to Illinois 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 June 16, 2025.
Use the filters below to find and compare flights from Osaka to Illinois that are best for you.

Fly from

Osaka

Fly to

Illinois

Route

Depart

Return

Price

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Mon 7/7

7:40 am-6:51 am

3 stops37h 11m

Chicago O'Hare Intl

Fri 7/11

6:40 am-7:30 pm

2 stops22h 50m

$1,052

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Mon 7/7

1:10 pm-9:10 pm

1 stop22h 00m

Chicago O'Hare Intl

Thu 7/10

12:30 am-10:10 am

1 stop19h 40m

$1,106

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Sun 7/20

7:35 pm-2:25 pm

1 stop32h 50m

Chicago O'Hare Intl

Thu 7/31

4:00 pm-6:40 am

1 stop24h 40m

$1,284

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Mon 7/7

6:05 pm-2:54 pm

1 stop34h 49m

Chicago O'Hare Intl

Fri 7/11

6:20 pm-4:25 pm

1 stop32h 05m

$1,442

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Sun 7/20

9:10 am-9:10 pm

2 stops26h 00m

Chicago O'Hare Intl

Thu 7/31

8:40 am-6:55 pm

2 stops20h 15m

$1,895

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Wed 7/30

3:00 pm-10:05 pm

2 stops21h 05m

Chicago O'Hare Intl

Wed 8/27

7:10 am-7:10 pm

2 stops22h 00m

$2,029

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Fri 8/8

7:30 am-8:40 am

1 stop15h 10m

Chicago O'Hare Intl

Sat 8/16

11:50 am-6:55 pm

1 stop17h 05m

$2,081

OsakaChicago

KIX - MDW

KIXMDW

Osaka Kansai Intl

Wed 7/30

12:35 pm-12:29 pm

2 stops37h 54m

Chicago Midway

Wed 8/6

12:43 pm-5:05 pm

2 stops38h 22m

$2,091

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Wed 7/30

9:05 am-11:56 pm

2 stops28h 51m

Chicago O'Hare Intl

Wed 8/6

8:30 am-9:00 pm

2 stops22h 30m

$2,091

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Wed 7/30

8:25 am-3:20 pm

1 stop20h 55m

Chicago O'Hare Intl

Wed 8/6

9:40 pm-2:50 pm

1 stop27h 10m

$2,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 29 results
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Best time to book a flight from Osaka to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Osaka 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 Osaka to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 16, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from Osaka to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,090 reviews
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
1,494 reviews
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
8.3
Very good
886 reviews
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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
Emirates
8.1
Very good
3,267 reviews
EVA Air
8.4
Very good
1,204 reviews

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

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 Osaka to Illinois. 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 Osaka to Illinois one-way?

    $629 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $1,086 and $1,125, respectively.

  • What are the most popular routes from Osaka to Illinois?

    While some choose either Osaka Kansai Intl - Chicago O'Hare Intl or Osaka Kansai Intl - Chicago Midway, Osaka Itami - Chicago O'Hare Intl is the most popular route from Osaka to Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Osaka to Illinois 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 Osaka to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Osaka to Illinois (average of $245). Flying from Osaka to Illinois in March is currently the most expensive (average of $321). 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 Osaka to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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