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$483+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,050
(HIS)

One-way from

$483
(Kiwi.com)
Provider with most accurate pricing for Osaka (OSA)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Chicago (CHI) flights.
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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 April 2, 2025.

This HIS deal was found by Cheapflights users on 4/1. 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 HIS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:35 pmKIX - ORD
1 stop33h 50mCathay Pacific
Sat 4/194:00 pmORD - KIX
1 stop24h 40mCathay Pacific
Deal found 4/1$1,050
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:10 amKIX - ORD
1 stop23h 35mEVA Air
Thu 9/1812:30 amORD - KIX
1 stop21h 40mEVA Air
Deal found 4/1$1,079
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Fri 5/162:00 pmKIX - ORD
2 stops35h 36mMultiple Airlines
Tue 5/206:59 pmORD - KIX
2 stops27h 01mMultiple Airlines
Deal found 4/1$1,136
This Air France deal was found by Cheapflights users on 4/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:20 amKIX - ORD
1 stop41h 40mAir France
Tue 5/205:10 pmORD - KIX
1 stop26h 15mAir France
Deal found 4/1$1,542
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:00 pmITM - ORD
2 stops22h 06mAir Canada
Tue 5/209:35 amORD - ITM
2 stops20h 40mAir Canada
Deal found 4/1$1,673
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2811:20 amKIX - MDW
2 stops43h 59mAir France
Mon 5/55:59 pmMDW - KIX
2 stops25h 26mAir France
Deal found 4/1$1,674
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Sun 7/206:05 pmKIX - ORD
1 stop29h 04mAir Canada
Sun 8/173:35 pmORD - KIX
1 stop34h 50mAir Canada
Deal found 4/1$1,802
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:40 pmITM - ORD
1 stop27h 35mJapan Airlines
Tue 5/2012:30 pmORD - ITM
1 stop16h 10mJapan Airlines
Deal found 4/1$1,923
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Wed 4/162:05 pmITM - ORD
1 stop14h 50mANA
Sat 4/196:30 amORD - ITM
2 stops34h 55mANA
Deal found 4/1$1,958
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2012:00 pmITM - ORD
1 stop17h 20mUnited Airlines
Sun 8/176:00 amORD - ITM
2 stops21h 05mUnited Airlines
Deal found 4/1$2,029
This Aeromexico deal was found by Cheapflights users on 4/1. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:30 amITM - ORD
2 stops42h 30mAir France
Wed 5/145:10 pmORD - ITM
2 stops32h 25mAir France
Deal found 4/1$2,039
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:00 pmKIX - MDW
2 stops40h 22mKLM
Wed 5/76:25 pmMDW - KIX
2 stops49h 55mKLM
Deal found 3/30$2,044

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 April 2, 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

Wed 4/16

6:35 pm-2:25 pm

1 stop33h 50m

Chicago O'Hare Intl

Sat 4/19

4:00 pm-6:40 am

1 stop24h 40m

$1,050

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Sat 9/6

11:10 am-8:45 pm

1 stop23h 35m

Chicago O'Hare Intl

Thu 9/18

12:30 am-12:10 pm

1 stop21h 40m

$1,079

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Fri 5/16

2:00 pm-11:36 am

2 stops35h 36m

Chicago O'Hare Intl

Tue 5/20

6:59 pm-12:00 pm

2 stops27h 01m

$1,136

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Mon 5/12

11:20 am-3:00 pm

1 stop41h 40m

Chicago O'Hare Intl

Tue 5/20

5:10 pm-9:25 am

1 stop26h 15m

$1,542

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Mon 5/12

2:00 pm-10:06 pm

2 stops22h 06m

Chicago O'Hare Intl

Tue 5/20

9:35 am-8:15 pm

2 stops20h 40m

$1,673

OsakaChicago

KIX - MDW

KIXMDW

Osaka Kansai Intl

Mon 4/28

11:20 am-5:19 pm

2 stops43h 59m

Chicago Midway

Mon 5/5

5:59 pm-9:25 am

2 stops25h 26m

$1,674

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Sun 7/20

6:05 pm-9:09 am

1 stop29h 04m

Chicago O'Hare Intl

Sun 8/17

3:35 pm-4:25 pm

1 stop34h 50m

$1,802

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Mon 5/12

7:40 pm-9:15 am

1 stop27h 35m

Chicago O'Hare Intl

Tue 5/20

12:30 pm-6:40 pm

1 stop16h 10m

$1,923

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Wed 4/16

2:05 pm-2:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 4/19

6:30 am-7:25 am

2 stops34h 55m

$1,958

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Sun 7/20

12:00 pm-3:20 pm

1 stop17h 20m

Chicago O'Hare Intl

Sun 8/17

6:00 am-5:05 pm

2 stops21h 05m

$2,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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 April 2, 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
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,051 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,440 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
830 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,898 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    $722 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 Cathay Pacific and Air Canada, with prices starting from $799 and $1,362, 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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