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Okayama

$1,177+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OKJ
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Japan Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 2/196:38 am
STL
-
OKJ
2 stops35h 52m
Japan Airlines
Mon 2/235:45 pm
OKJ
-
STL
2 stops45h 14m
Japan Airlines
Deal found 1/25$1,177
This Air Canada deal was found by Cheapflights users on 1/26. 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 1/287:10 am
ORD
-
OKJ
2 stops23h 25m
Air Canada
Sun 2/12:00 pm
OKJ
-
ORD
2 stops20h 45m
Air Canada
Deal found 1/26$1,200
This Japan Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 1/285:40 pm
ORD
-
OKJ
1 stop27h 25m
Japan Airlines
Sun 2/17:10 am
OKJ
-
ORD
1 stop15h 25m
Japan Airlines
Deal found 1/25$2,839

Find flight deals from Illinois to Okayama

Keep the following information in mind while searching for Illinois to Okayama flight deals. Data was last updated January 27, 2026.

Round-trip from

$1,177
(Japan Airlines)
From Illinois to Okayama
Search Deals

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 January 27, 2026.
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

Thu 2/19

10:37 am-9:15 pm

2 stops43h 38m

Okayama

Mon 2/23

10:15 am-1:43 pm

2 stops42h 28m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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, September is the cheapest month in which you can book a flight from Illinois to Okayama (average of $801). Flying from Illinois to Okayama in January is currently the most expensive (average of $2,094). 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 $1,177, Japan Airlines can have you in Okayama from Illinois in 43h 38m. Airlines will cover a distance of 6619 mi.

  • 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, September is the cheapest month in which you can book a flight from Illinois to Okayama (average of $801). Flying from Illinois to Okayama in January is currently the most expensive (average of $2,094). 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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