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Cheap flights from Illinois to Osaka from $499

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Osaka departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 4:25 pm
STL
-
KIX
38h 15m
2 stops
Air Canada Logo
6:00 pm - 6:41 pm
KIX
-
STL
38h 41m
2 stops
$947Air Canada
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
8:55 am - 4:25 pm
STL
-
KIX
17h 30m
1 stop
Air Canada Logo
6:00 pm - 6:41 pm
KIX
-
STL
38h 41m
2 stops
$952Air Canada
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
3:40 pm - 4:25 pm
ORD
-
KIX
34h 45m
1 stop
Air Canada Logo
6:00 pm - 2:45 pm
KIX
-
ORD
34h 45m
1 stop
$953Air Canada
Sat, Apr 18 - Mon, May 4
Japan Airlines Logo
8:30 am - 10:00 pm
STL
-
KIX
23h 30m
2 stops
Japan Airlines Logo
6:40 am - 3:48 pm
KIX
-
STL
23h 08m
2 stops
$1,165Japan Airlines
Wed, Aug 5 - Fri, Aug 14
Multiple Airlines Logo
8:30 pm - 12:00 pm
MDW
-
KIX
25h 30m
2 stops
Multiple Airlines Logo
7:05 pm - 5:50 am
KIX
-
MDW
24h 45m
2 stops
$1,170Multiple Airlines
Wed, Sep 16 - Wed, Sep 30
United Airlines Logo
5:10 am - 2:50 pm
STL
-
KIX
19h 40m
2 stops
United Airlines Logo
4:55 pm - 12:40 pm
KIX
-
STL
33h 45m
2 stops
$1,198United Airlines
Wed, Aug 5 - Thu, Aug 13
Japan Airlines Logo
8:30 am - 8:35 am
STL
-
KIX
34h 05m
2 stops
Japan Airlines Logo
6:40 am - 3:48 pm
KIX
-
STL
23h 08m
2 stops
$1,215Japan Airlines
Thu, Aug 6 - Fri, Aug 14
Multiple Airlines Logo
8:30 pm - 12:00 pm
MDW
-
KIX
25h 30m
2 stops
Multiple Airlines Logo
7:05 pm - 5:50 am
KIX
-
MDW
24h 45m
2 stops
$1,218Multiple Airlines
Wed, Sep 2 - Wed, Sep 16
United Airlines Logo
5:10 am - 2:50 pm
STL
-
KIX
19h 40m
2 stops
United Airlines Logo
4:55 pm - 10:09 am
KIX
-
STL
31h 14m
2 stops
$1,248United Airlines
Thu, Aug 6 - Fri, Aug 14
Delta Logo
9:27 am - 8:45 pm
MDW
-
KIX
21h 18m
2 stops
Delta Logo
12:35 pm - 9:09 pm
KIX
-
MDW
22h 34m
2 stops
$1,482Delta
Mon, Apr 20 - Tue, May 12

Delta flights from Illinois to Osaka Kansai Intl Airport

Our best Delta deals on Illinois to Osaka Kansai Intl Airport flight tickets
Delta
Apr 26
ORD8:15 amChicago O'Hare Intl
24h 25m
2 stops
KIX10:40 pmOsaka Kansai Intl
May 14
KIX2:15 amOsaka Kansai Intl
33h 38m
2 stops
ORD9:53 pmChicago O'Hare Intl
$1,049
Delta
Apr 20
MDW9:27 amChicago Midway
21h 18m
2 stops
KIX8:45 pmOsaka Kansai Intl
May 12
KIX12:35 pmOsaka Kansai Intl
22h 34m
2 stops
MDW9:09 pmChicago Midway
$1,482
Delta
Apr 20
MDW9:29 amChicago Midway
23h 11m
2 stops
KIX10:40 pmOsaka Kansai Intl
May 12
KIX12:35 pmOsaka Kansai Intl
34h 07m
2 stops
MDW8:42 amChicago Midway
$1,502

Korean Air flights from Illinois to Osaka Kansai Intl Airport

Our best Korean Air deals on Illinois to Osaka Kansai Intl Airport flight tickets
Korean Air
May 14
MDW9:23 amChicago Midway
23h 17m
2 stops
KIX10:40 pmOsaka Kansai Intl
May 20
KIX2:15 amOsaka Kansai Intl
24h 27m
2 stops
MDW12:42 pmChicago Midway
$1,876
Korean Air
May 13
MDW9:23 amChicago Midway
21h 22m
2 stops
KIX8:45 pmOsaka Kansai Intl
May 19
KIX2:15 amOsaka Kansai Intl
24h 27m
2 stops
MDW12:42 pmChicago Midway
$1,888

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Osaka Kansai Intl Airport 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, momondo users made 832,500 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from Illinois to Osaka Kansai Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/15

12:10 pm-4:25 pm

2 stops38h 15m

Osaka Kansai Intl

Tue 9/22

6:00 pm-6:41 pm

2 stops38h 41m

$947

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/15

8:55 am-4:25 pm

1 stop17h 30m

Osaka Kansai Intl

Tue 9/22

6:00 pm-6:41 pm

2 stops38h 41m

$952

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Sat 4/18

3:40 pm-4:25 pm

1 stop34h 45m

Osaka Kansai Intl

Mon 5/4

6:00 pm-2:45 pm

1 stop34h 45m

$953

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Wed 8/5

8:30 am-10:00 pm

2 stops23h 30m

Osaka Kansai Intl

Fri 8/14

6:40 am-3:48 pm

2 stops23h 08m

$1,165

ChicagoOsaka

MDW - KIX

MDWKIX

Chicago Midway

Wed 9/16

8:30 pm-12:00 pm

2 stops25h 30m

Osaka Kansai Intl

Wed 9/30

7:05 pm-5:50 am

2 stops24h 45m

$1,170

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Wed 8/5

5:10 am-2:50 pm

2 stops19h 40m

Osaka Kansai Intl

Thu 8/13

4:55 pm-12:40 pm

2 stops33h 45m

$1,198

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 8/6

8:30 am-8:35 am

2 stops34h 05m

Osaka Kansai Intl

Fri 8/14

6:40 am-3:48 pm

2 stops23h 08m

$1,215

ChicagoOsaka

MDW - KIX

MDWKIX

Chicago Midway

Wed 9/2

8:30 pm-12:00 pm

2 stops25h 30m

Osaka Kansai Intl

Wed 9/16

7:05 pm-5:50 am

2 stops24h 45m

$1,218

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Thu 8/6

5:10 am-2:50 pm

2 stops19h 40m

Osaka Kansai Intl

Fri 8/14

4:55 pm-10:09 am

2 stops31h 14m

$1,248
Quickest round-trip

ChicagoOsaka

MDW - KIX

MDWKIX

Chicago Midway

Mon 4/20

9:27 am-8:45 pm

2 stops21h 18m

Osaka Kansai Intl

Tue 5/12

12:35 pm-9:09 pm

2 stops22h 34m

$1,482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Osaka from

How to get the cheapest flight ticket from Illinois to Osaka Kansai Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Illinois to Osaka Kansai Intl Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a Illinois to Osaka Kansai Intl Airport flight.

Cheap Illinois to Osaka Kansai Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Osaka Kansai Intl Airport

Fastest flight time

18h 40m

Direct flights

None
The fastest flight from Illinois to Osaka Kansai Intl Airport takes 18h 40m
There are no direct flights from Illinois to Osaka Kansai Intl Airport. There are no popular flight routes from Illinois to Osaka Kansai Intl Airport.
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Frequently asked questions about flying from Illinois to Osaka Kansai Intl Airport

  • When did momondo last update prices for flights from Illinois to Osaka Kansai Intl Airport?

    Prices for flights from Illinois to Osaka Kansai Intl Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Osaka Kansai Intl Airport?

  • How old do you have to be to fly from Illinois to Osaka Kansai Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Osaka Kansai Intl Airport.

  • What documentation or ID do you need to fly to Osaka Kansai Intl Airport?

    The travel and health documents you'll need for your trip to Osaka Kansai Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka Kansai Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Osaka Kansai Intl Airport

Compare and see reviews for airlines that fly from Illinois to Osaka Kansai Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $1,008Free CancellationRating
8.5
1,399 reviews
Search EVA Air flights
Japan AirlinesPriceFrom $1,039Free CancellationRating
8.3
1,761 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,145Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights

Traveling to a place near Osaka?

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

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Osaka?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Osaka. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Osaka with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Osaka from Illinois with this policy.

How can momondo help me find flights from Illinois to Osaka?

momondo provides multiple filters to help you find the best flight to Osaka from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Osaka right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Osaka from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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