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Osaka

$408+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OSA
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/245:12 am
STL
-
ITM
2 stops23h 43m
American Airlines
mar. 3/31:40 pm
ITM
-
STL
2 stops20h 49m
American Airlines
Deal found 1/26$775
This FlightHub deal was found by Cheapflights users on 1/27. 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.
mar. 2/36:00 am
STL
-
ITM
2 stops21h 55m
ANA
jue. 2/197:30 am
ITM
-
STL
2 stops26h 44m
ANA
Deal found 1/27$777
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/38:05 am
STL
-
KIX
2 stops22h 45m
ANA
jue. 2/196:45 am
KIX
-
STL
2 stops27h 29m
ANA
Deal found 1/28$780
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/244:30 pm
STL
-
KIX
2 stops33h 10m
United Airlines
mar. 3/36:35 pm
KIX
-
STL
2 stops29h 48m
United Airlines
Deal found 1/26$793
This American Airlines deal was found by Cheapflights users on 1/27. 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.
mar. 2/37:04 am
STL
-
ITM
2 stops20h 41m
American Airlines
jue. 2/193:25 pm
ITM
-
STL
2 stops22h 33m
American Airlines
Deal found 1/27$795
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/31:00 pm
STL
-
KIX
2 stops37h 25m
Air Canada
mar. 5/196:00 pm
KIX
-
STL
2 stops28h 18m
Air Canada
Deal found 1/28$843
This FlightHub deal was found by Cheapflights users on 1/27. 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.
sáb. 8/226:15 am
STL
-
ITM
2 stops21h 55m
ANA
sáb. 9/58:20 pm
ITM
-
STL
2 stops31h 59m
ANA
Deal found 1/27$846
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/215:45 pm
ORD
-
UKB
1 stop24h 05m
ANA
jue. 4/309:15 pm
UKB
-
ORD
1 stop25h 25m
ANA
Deal found 1/26$849
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/147:40 am
ORD
-
ITM
2 stops22h 35m
ANA
mar. 4/287:05 am
ITM
-
ORD
1 stop15h 35m
ANA
Deal found 1/28$850
This FlightHub deal was found by Cheapflights users on 1/27. 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.
lun. 4/2012:15 pm
ORD
-
UKB
1 stop19h 30m
ANA
mar. 5/127:05 am
UKB
-
ORD
1 stop15h 35m
ANA
Deal found 1/27$850
This FlightHub deal was found by Cheapflights users on 1/27. 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.
lun. 4/2012:15 pm
ORD
-
ITM
1 stop18h 20m
ANA
mar. 5/127:05 am
ITM
-
ORD
1 stop15h 35m
ANA
Deal found 1/27$851
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/135:45 pm
ORD
-
ITM
1 stop23h 40m
ANA
mar. 4/2810:00 am
ITM
-
ORD
1 stop18h 55m
ANA
Deal found 1/29$852

Find flight deals from Illinois to Osaka

Keep the following information in mind while searching for Illinois to Osaka flight deals. Data was last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$775
(American Airlines)

One-way from

$408
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,183
Provider with most accurate pricing for Chicago (CHI)-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Osaka (OSA) flights.
Search Deals
From Illinois to Osaka (OSA)
Search Deals
One-way flight from Illinois to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
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 enero 29, 2026.
Use the filters below to find and compare flights from Illinois to Osaka that are best for you.

Fly from

Illinois

Fly to

Osaka

Route

Depart

Return

Price

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

mar. 2/24

5:12 am-7:55 pm

2 stops23h 43m

Osaka Itami

mar. 3/3

1:40 pm-7:29 pm

2 stops20h 49m

$775

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

mar. 2/24

4:30 pm-4:40 pm

2 stops33h 10m

Osaka Kansai Intl

mar. 3/3

6:35 pm-9:23 am

2 stops29h 48m

$793

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

dom. 5/3

1:00 pm-4:25 pm

2 stops37h 25m

Osaka Kansai Intl

mar. 5/19

6:00 pm-8:18 am

2 stops28h 18m

$843

ChicagoKobe

ORD - UKB

ORDUKB

Chicago O'Hare Intl

lun. 4/13

12:15 pm-9:45 pm

1 stop19h 30m

Kobe

mar. 4/28

7:05 am-3:15 pm

1 stop22h 10m

$850

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

mar. 4/21

12:15 pm-6:10 pm

1 stop15h 55m

Osaka Itami

jue. 4/30

10:00 am-8:40 am

1 stop36h 40m

$851

ChicagoKobe

ORD - UKB

ORDUKB

Chicago O'Hare Intl

mar. 4/21

11:50 am-9:45 pm

1 stop19h 55m

Kobe

jue. 4/30

9:15 pm-2:55 pm

1 stop31h 40m

$852

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

dom. 2/15

2:19 pm-8:25 am

2 stops27h 06m

Osaka Kansai Intl

sáb. 2/28

7:00 am-1:50 pm

2 stops21h 50m

$856

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

mar. 4/21

6:25 am-5:05 pm

2 stops20h 40m

Osaka Itami

jue. 4/30

12:00 pm-8:40 am

1 stop34h 40m

$862

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

lun. 4/20

6:25 am-5:05 pm

2 stops20h 40m

Osaka Itami

mar. 5/12

12:55 pm-8:40 am

1 stop33h 45m

$862

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

lun. 4/20

6:25 am-2:50 pm

1 stop18h 25m

Osaka Kansai Intl

mar. 5/12

4:55 pm-8:27 pm

1 stop17h 32m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Osaka

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Osaka (average of $801). Flying from Illinois to Osaka 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 Osaka. 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?

    American Airlines, United Airlines, and Air Canada can get you from Illinois to Osaka in just under 23h 43m. Your travel time can differ by up to 13h 42m. The distance from Illinois to Osaka is about 6568 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • 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, September is the cheapest month in which you can book a flight from Illinois to Osaka (average of $801). Flying from Illinois to Osaka 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.

See more FAQs

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara

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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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John F Kennedy Intl to Osaka Itami flights
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O'Hare Intl to Osaka Itami flights
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Portland to Kansai Intl flights
Sky Harbor Intl to Osaka Itami flights
Baltimore to Osaka Itami flights
Baltimore to Kansai Intl flights
Reagan-National to Kansai Intl flights
Dallas/Fort Worth to Osaka Itami flights
Sky Harbor Intl to Kansai Intl flights
Denver to Kansai Intl flights
Las Vegas to Kansai Intl flights
Reagan-National to Osaka Itami flights
LaGuardia to Osaka Itami flights
Boston to Osaka Itami flights
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Portland to Osaka Itami flights
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San Diego to Osaka Itami flights
Denver to Osaka Itami flights
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Love Field to Kansai Intl flights
Midway to Kansai Intl flights
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Orlando to Kansai Intl flights
Charlotte to Kansai Intl flights
Atlanta to Osaka Itami flights
Santa Ana to Kansai Intl flights
Orlando to Osaka Itami flights
Atlanta to Kansai Intl flights

Top 4 airlines flying from Illinois to Osaka

Discover the top 4 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,008Average$1,167FlexibilityNo cancel feeOn-time74%
ANACheapest$1,022Average$1,635FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$1,025Average$1,391FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,570Average$1,698FlexibilityNo cancel feeOn-time69%

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