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Kansai Intl

$431+ Cheap flights from Illinois to Kansai Intl (KIX)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KIX
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Illinois to Kansai Intl

Cheapest flights from Illinois to Kansai Intl
Explore the most affordable flight options available from Illinois to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:35 pmSTL - KIX
2 stops33h 05mUnited Airlines
Thu 11/66:35 pmKIX - STL
2 stops31h 04mUnited Airlines
Deal found 10/31$793
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Sat 12/69:06 pmORD - KIX
2 stops32h 49mMultiple Airlines
Sat 12/1310:30 amKIX - ORD
2 stops34h 35mMultiple Airlines
Deal found 11/1$810
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 12/86:42 pmSTL - KIX
2 stops30h 58mUnited Airlines
Sat 12/206:35 pmKIX - STL
2 stops33h 45mUnited Airlines
Deal found 11/1$816
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:18 pmORD - KIX
2 stops33h 37mMultiple Airlines
Mon 12/810:30 amKIX - ORD
2 stops34h 35mMultiple Airlines
Deal found 11/2$915
This Japan Airlines deal was found by Cheapflights users on 11/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:55 amSTL - KIX
1 stop20h 55mJapan Airlines
Fri 12/129:05 pmKIX - STL
2 stops31h 24mJapan Airlines
Deal found 11/1$933
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:35 pmORD - KIX
1 stop36h 15mCathay Pacific
Tue 12/29:25 amKIX - ORD
1 stop42h 30mCathay Pacific
Deal found 11/1$945
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:55 amSTL - KIX
1 stop20h 55mAmerican Airlines
Sat 12/205:50 pmKIX - STL
1 stop21h 01mAmerican Airlines
Deal found 11/2$957
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:25 pmORD - KIX
1 stop25h 20mMultiple Airlines
Wed 12/108:00 amKIX - ORD
2 stops37h 05mMultiple Airlines
Deal found 11/1$957
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:35 pmORD - KIX
1 stop36h 15mCathay Pacific
Sat 11/84:15 pmKIX - ORD
2 stops59h 40mCathay Pacific
Deal found 11/1$961
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:25 pmORD - KIX
1 stop25h 20mMultiple Airlines
Tue 12/169:10 pmKIX - ORD
2 stops47h 55mMultiple Airlines
Deal found 11/1$964
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:25 pmORD - KIX
1 stop25h 20mMultiple Airlines
Fri 12/129:10 pmKIX - ORD
2 stops42h 03mMultiple Airlines
Deal found 11/1$972
This Gurufare deal was found by Cheapflights users on 10/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:39 amSTL - KIX
2 stops39h 36mCathay Pacific
Sun 11/164:15 pmKIX - STL
3 stops45h 43mCathay Pacific
Deal found 10/31$1,307

Cheap flight deals from Illinois to Kansai Intl

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$676
(Air Canada)

One-way from

$431
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,372
Provider with most accurate pricing for Chicago (CHI)-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Osaka (OSA) flights.
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From Illinois to Osaka Kansai Intl
Search Deals
One-way flight from Illinois to Osaka Kansai Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Kansai Intl 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 November 3, 2025.
Use the filters below to find and compare flights from Illinois to Osaka Kansai Intl Airport that are best for you.

Fly from

Illinois

Fly to

Kansai Intl

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

4:45 pm-4:40 pm

2 stops32h 55m

Osaka Kansai Intl

Fri 12/12

6:35 pm-9:58 pm

2 stops18h 23m

$793

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/8

6:42 pm-4:40 pm

2 stops30h 58m

Osaka Kansai Intl

Sat 12/20

6:35 pm-1:20 pm

2 stops33h 45m

$816

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Wed 1/28

2:35 pm-6:20 am

1 stop24h 45m

Osaka Kansai Intl

Mon 2/16

7:05 pm-12:55 pm

1 stop32h 50m

$889

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 1/26

2:35 pm-3:15 pm

1 stop33h 40m

Osaka Kansai Intl

Tue 2/17

4:55 pm-12:55 pm

1 stop35h 00m

$894

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Thu 1/29

2:35 pm-6:20 am

1 stop24h 45m

Osaka Kansai Intl

Mon 2/16

7:05 pm-12:55 pm

1 stop32h 50m

$894

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Wed 1/28

2:35 pm-12:45 pm

1 stop31h 10m

Osaka Kansai Intl

Tue 2/17

4:15 pm-12:55 pm

2 stops35h 40m

$906

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Thu 1/29

2:35 pm-2:55 pm

2 stops33h 20m

Osaka Kansai Intl

Tue 2/17

6:05 pm-12:55 pm

1 stop33h 50m

$911

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Wed 1/28

2:35 pm-2:55 pm

2 stops33h 20m

Osaka Kansai Intl

Wed 2/18

10:00 am-12:55 pm

1 stop41h 55m

$911

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Tue 1/27

2:35 pm-2:55 pm

2 stops33h 20m

Osaka Kansai Intl

Wed 2/18

10:00 am-12:55 pm

1 stop41h 55m

$911

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 1/26

2:35 pm-5:50 pm

1 stop36h 15m

Osaka Kansai Intl

Sun 2/15

4:15 pm-12:55 pm

2 stops35h 40m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 39 results
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Best time to book a flight from Illinois to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl 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 Osaka Kansai Intl Airport

What is the cheapest month to book a flight from Illinois to Osaka Kansai Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Illinois to Osaka Kansai Intl Airport (average of $756). Flying from Illinois to Osaka Kansai Intl Airport in August is currently the most expensive (average of $1,691). 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 KIX?

Find hourly flight availability from Illinois to Kansai Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Osaka Kansai Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Kansai Intl. 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 Osaka Kansai Intl Airport?

    For as low as $889, United Airlines can have you in Osaka Kansai Intl Airport from Illinois in 24h 45m. There are 6488 mi between Illinois and Osaka Kansai Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

  • How can I find direct flights from Illinois to Kansai Intl?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Kansai Intl 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 Osaka Kansai Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Illinois to Osaka Kansai Intl Airport (average of $756). Flying from Illinois to Osaka Kansai Intl Airport in August is currently the most expensive (average of $1,691). 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

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Nara
Izumisano
Nishinomiya
Himeji

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Alternative routes for Illinois to Kansai Intl

See prices for flight routes from nearby airports that may be better suited for you.
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San Diego to Kansai Intl flights
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Atlanta to Kansai Intl flights
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Boston to Osaka Itami flights
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O'Hare Intl to Kobe flights
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Top 3 airlines flying from Illinois to Kansai Intl

Discover the top 3 airlines that operate flights from Illinois to Kansai Intl. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,097Average$1,293FlexibilityNo cancel feeOn-time74%
ANACheapest$1,173Average$1,614FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,570Average$1,996FlexibilityNo cancel feeOn-time69%

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