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$410+ Cheap flights from Illinois to Osaka (OSA)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Illinois to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Osaka (OSA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$738
(FlightHub)

One-way from

$448
(United Airlines)
From Illinois to Osaka (OSA)
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One-way flight from Illinois to Osaka (OSA)
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Find flight deals from Illinois to Osaka

Cheapest flights from Illinois to Osaka
Explore the most affordable flight options available from Illinois to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Gotogate deal was found by Cheapflights users on 12/17. 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.
Tue 12/312:40 pmORD - KIX
2 stops33h 15mCathay Pacific
Sun 3/169:50 amKIX - ORD
1 stop42h 10mCathay Pacific
Deal found 12/17$1,187
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Tue 12/317:20 amORD - KIX
2 stops23h 35mMultiple Airlines
Sun 3/167:30 amKIX - ORD
3 stops46h 26mMultiple Airlines
Deal found 12/17$1,508
This Gurufare deal was found by Cheapflights users on 12/17. 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.
Tue 12/3111:30 pmORD - KIX
1 stop21h 25mEVA Air
Sun 3/1612:55 pmKIX - ORD
1 stop21h 40mEVA Air
Deal found 12/17$1,533
This Gurufare deal was found by Cheapflights users on 12/17. 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.
Tue 12/3110:20 amORD - ITM
1 stop17h 20mJapan Airlines
Sun 3/168:15 pmITM - ORD
1 stop26h 20mJapan Airlines
Deal found 12/17$1,747
This Booking.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/314:25 pmORD - UKB
1 stop24h 35mANA
Sun 3/167:05 amUKB - ORD
1 stop23h 00mANA
Deal found 12/17$1,817
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/316:00 amORD - ITM
2 stops21h 40mAmerican Airlines
Sun 3/162:50 pmITM - ORD
2 stops18h 53mAmerican Airlines
Deal found 12/17$1,824
This Travelocity deal was found by Cheapflights users on 12/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2410:35 amSTL - ITM
2 stops31h 35mANA
Tue 12/317:05 amITM - STL
2 stops27h 52mANA
Deal found 12/17$1,864
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/215:21 amSTL - KIX
2 stops22h 29mAmerican Airlines
Mon 12/235:50 pmKIX - STL
1 stop20h 37mAmerican Airlines
Deal found 12/17$2,131
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/216:30 amSTL - KIX
1 stop21h 20mMultiple Airlines
Mon 12/235:50 pmKIX - STL
1 stop20h 37mMultiple Airlines
Deal found 12/17$2,261
This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:15 amORD - KIX
1 stop19h 20mANA
Tue 1/78:25 amKIX - ORD
1 stop21h 40mANA
Deal found 12/18$2,388
This Air Canada deal was found by Cheapflights users on 12/17. 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 12/227:05 amORD - ITM
2 stops22h 15mAir Canada
Wed 12/253:00 pmITM - ORD
2 stops19h 32mAir Canada
Deal found 12/17$2,400
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Tue 12/247:04 amSTL - KIX
2 stops24h 16mJapan Airlines
Tue 12/313:05 pmKIX - STL
2 stops23h 22mJapan Airlines
Deal found 12/17$2,433

Find flights from Illinois to Osaka within your budget

Customize your flight search to find flights from Illinois to Osaka 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 2/24

6:10 am-6:50 pm

1 stop21h 40m

Osaka Kansai Intl

Thu 3/6

6:45 am-11:29 am

2 stops19h 44m

$738

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 2/24

5:45 am-8:05 pm

2 stops23h 20m

Osaka Itami

Thu 3/6

7:05 am-11:29 am

2 stops19h 24m

$742

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 2/22

5:36 pm-4:35 pm

2 stops31h 59m

Osaka Kansai Intl

Wed 3/5

6:30 pm-8:44 pm

2 stops17h 14m

$747

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Tue 2/25

7:04 am-8:25 pm

2 stops22h 21m

Osaka Itami

Wed 3/5

2:50 pm-7:29 pm

2 stops19h 39m

$777

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 5/12

8:01 am-6:55 pm

2 stops20h 54m

Osaka Kansai Intl

Mon 5/26

5:45 pm-10:24 pm

2 stops18h 39m

$901

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Tue 3/11

3:40 pm-2:55 pm

2 stops33h 15m

Osaka Kansai Intl

Wed 3/26

4:55 pm-2:00 pm

1 stop35h 05m

$909

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 1/13

9:18 pm-10:20 pm

2 stops34h 02m

Osaka Kansai Intl

Wed 1/29

7:30 am-5:31 am

3 stops37h 01m

$921

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 2/25

9:15 am-10:20 pm

2 stops22h 05m

Osaka Kansai Intl

Wed 3/5

5:50 pm-12:02 am

1 stop21h 12m

$932

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Tue 1/14

11:55 am-6:55 pm

1 stop40h 00m

Osaka Kansai Intl

Wed 1/29

10:30 pm-10:10 am

1 stop26h 40m

$973

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 4/21

12:30 am-10:10 am

1 stop19h 40m

Osaka Kansai Intl

Wed 5/14

1:10 pm-9:00 pm

1 stop21h 50m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Osaka

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

Travel insights for flights from Illinois to Osaka

Get recent, data-driven insights about flights from Illinois to Osaka including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Osaka (average of $950). Flying from Illinois to Osaka in June is currently the most expensive (average of $1,267). 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 OSA?

Find hourly flight availability from Illinois to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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

Rainfall in Osaka by month

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

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

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

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated December 18, 2024.
Get a feel of what it's like to fly with EVA Air, Air France and Cathay Pacific from Illinois to Osaka by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,269 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA
8.4
Very good
839 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air
8.4
Very good
1,018 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,443 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Asiana Airlines
8.3
Very good
477 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Osaka. 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 Osaka one-way?

    $448 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Japan Airlines and Cathay Pacific, with prices starting from $462 and $830, respectively.

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

    The most popular route from Illinois to Osaka is Chicago O'Hare Intl - Osaka Itami. You may also consider Chicago O'Hare Intl - Osaka Kansai Intl or Chicago O'Hare Intl - Kobe.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Osaka 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?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Osaka (average of $950). Flying from Illinois to Osaka in June is currently the most expensive (average of $1,267). 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.

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Alternative routes for Illinois to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Osaka

Discover the top 5 airlines that operate flights from Illinois to Osaka. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$868Average$1,168FlexibilityNo cancel feeOn-time67%
ANACheapest$984Average$1,575FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$1,086Average$1,291FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,099Average$1,581FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$1,235Average$1,736FlexibilityNo cancel feeOn-time79%
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