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$956+ Cheap flights from Illinois to Okayama (OKJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKJ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Illinois to Okayama

Keep the following information in mind while searching for Illinois to Okayama flight deals. Data was last updated October 30, 2025.

Round-trip from

$956
(Japan Airlines)
From Illinois to Okayama
Search Deals

Find flight deals from Illinois to Okayama

Cheapest flights from Illinois to Okayama
Explore the most affordable flight options available from Illinois to Okayama. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Japan Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/92:17 pmSTL - OKJ
2 stops28h 13mJapan Airlines
Thu 11/1312:45 pmOKJ - STL
2 stops39h 55mJapan Airlines
Deal found 10/28$956
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/97:00 amSTL - OKJ
2 stops23h 15mAmerican Airlines
Thu 11/1312:45 pmOKJ - STL
2 stops25h 57mAmerican Airlines
Deal found 10/29$1,109
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:10 amORD - OKJ
2 stops23h 25mAir Canada
Sat 12/62:00 pmOKJ - ORD
2 stops20h 30mAir Canada
Deal found 10/29$1,752
This Japan Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/25:35 pmORD - OKJ
1 stop24h 55mJapan Airlines
Sat 12/67:10 amOKJ - ORD
1 stop15h 20mJapan Airlines
Deal found 10/29$2,155

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Okayama 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Okayama that are best for you.

Fly from

Illinois

Fly to

Okayama

Route

Depart

Return

Price

St. LouisOkayama

STL - OKJ

STLOKJ

Lambert-St Louis

Sun 11/9

2:17 pm-9:30 am

2 stops28h 13m

Okayama

Thu 11/13

12:45 pm-1:40 pm

2 stops39h 55m

$956

St. LouisOkayama

STL - OKJ

STLOKJ

Lambert-St Louis

Sun 11/9

7:00 am-9:15 pm

2 stops23h 15m

Okayama

Thu 11/13

12:45 pm-11:42 pm

2 stops25h 57m

$1,109

ChicagoOkayama

ORD - OKJ

ORDOKJ

Chicago O'Hare Intl

Tue 12/2

10:00 am-9:35 pm

2 stops44h 35m

Okayama

Sat 12/6

2:00 pm-7:30 pm

2 stops20h 30m

$1,752

ChicagoOkayama

ORD - OKJ

ORDOKJ

Chicago O'Hare Intl

Tue 12/2

5:35 pm-7:00 pm

1 stop34h 25m

Okayama

Sat 12/6

5:35 pm-7:30 am

1 stop28h 55m

$2,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from Illinois to Okayama

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

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

Currently, December is the cheapest month in which you can book a flight from Illinois to Okayama (average of $756). Flying from Illinois to Okayama 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Okayama. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Okayama from Illinois?

    If you book a flight to Okayama from Illinois, you will be flying to Okayama, which is the city’s only airport. Okayama (OKJ) is located 8.6 mi from the center of Okayama.

  • How long is the flight from Illinois to Okayama?

    For as low as $1,109, Japan Airlines can have you in Okayama from Illinois in 23h 15m. Airlines will cover a distance of 6619 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Illinois to Okayama (average of $756). Flying from Illinois to Okayama 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.

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