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Cheap flights from Illinois to Osaka from $382

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
$825Air 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
$829Air Canada
Tue, Sep 15 - Tue, Sep 22
ANA Logo
8:40 pm - 4:25 pm
ORD
-
KIX
29h 45m
1 stop
ANA Logo
6:00 pm - 8:06 pm
KIX
-
ORD
16h 06m
1 stop
$1,061ANA
Fri, Sep 18 - Tue, Sep 29
ANA Logo
12:15 pm - 9:50 pm
ORD
-
KIX
19h 35m
1 stop
ANA Logo
9:20 am - 3:25 pm
KIX
-
ORD
20h 05m
1 stop
$1,072ANA
Sun, Aug 23 - Fri, Aug 28
EVA Air Logo
11:30 pm - 11:55 am
ORD
-
KIX
21h 25m
1 stop
EVA Air Logo
10:55 am - 7:35 pm
KIX
-
ORD
23h 40m
1 stop
$1,113EVA Air
Mon, Nov 16 - Thu, Dec 3
EVA Air Logo
12:30 am - 11:55 am
ORD
-
KIX
21h 25m
1 stop
EVA Air Logo
6:10 pm - 7:35 pm
KIX
-
ORD
40h 25m
1 stop
$1,113EVA Air
Tue, Oct 27 - Mon, Nov 9
United Airlines Logo
9:28 pm - 2:50 pm
ORD
-
KIX
27h 22m
1 stop
United Airlines Logo
9:20 am - 2:55 pm
KIX
-
ORD
19h 35m
1 stop
$1,124United Airlines
Sat, Aug 29 - Tue, Sep 8
United Airlines Logo
5:00 am - 2:50 pm
ORD
-
KIX
19h 50m
2 stops
United Airlines Logo
9:20 am - 3:25 pm
KIX
-
ORD
20h 05m
1 stop
$1,129United Airlines
Wed, Aug 26 - Fri, Sep 4
Japan Airlines Logo
2:30 pm - 10:00 pm
ORD
-
KIX
17h 30m
1 stop
Japan Airlines Logo
5:45 pm - 11:30 pm
KIX
-
ORD
19h 45m
1 stop
$1,131Japan Airlines
Tue, Aug 11 - Fri, Aug 14
Japan Airlines Logo
7:00 am - 6:45 pm
ORD
-
KIX
21h 45m
1 stop
Japan Airlines Logo
9:00 pm - 10:45 am
KIX
-
ORD
27h 45m
1 stop
$1,142Japan Airlines
Sun, Aug 23 - Mon, Aug 31

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Philippine Airlines flights from Illinois to Osaka Kansai Intl Airport

Our best Philippine Airlines deals on Illinois to Osaka Kansai Intl Airport flight tickets
Philippine Airlines
Nov 11
ORD10:45 pmChicago O'Hare Intl
42h 10m
1 stop
KIX7:55 amOsaka Kansai Intl
Nov 25
KIX10:05 amOsaka Kansai Intl
21h 50m
1 stop
ORD4:55 pmChicago O'Hare Intl
$872
Philippine Airlines
Nov 11
ORD10:45 pmChicago O'Hare Intl
42h 10m
1 stop
KIX7:55 amOsaka Kansai Intl
Nov 17
KIX9:20 pmOsaka Kansai Intl
34h 35m
1 stop
ORD4:55 pmChicago O'Hare Intl
$921
Philippine Airlines
Nov 11
ORD10:45 pmChicago O'Hare Intl
42h 10m
1 stop
KIX7:55 amOsaka Kansai Intl
Nov 25
KIX10:05 amOsaka Kansai Intl
21h 50m
1 stop
ORD4:55 pmChicago O'Hare Intl
$923

Cathay Pacific flights from Illinois to Osaka Kansai Intl Airport

Our best Cathay Pacific deals on Illinois to Osaka Kansai Intl Airport flight tickets
Cathay Pacific
Jan 14
STL5:04 pmLambert-St Louis
28h 41m
2 stops
KIX12:45 pmOsaka Kansai Intl
Jan 25
KIX6:05 pmOsaka Kansai Intl
44h 54m
2 stops
STL11:59 pmLambert-St Louis
$1,209
Cathay Pacific
Jan 14
STL5:04 pmLambert-St Louis
28h 41m
2 stops
KIX12:45 pmOsaka Kansai Intl
Jan 23
KIX10:00 amOsaka Kansai Intl
27h 59m
2 stops
STL10:59 pmLambert-St Louis
$1,259
Cathay Pacific
Jan 8
STL5:04 pmLambert-St Louis
30h 51m
3 stops
KIX2:55 pmOsaka Kansai Intl
Jan 24
KIX6:05 pmOsaka Kansai Intl
43h 54m
2 stops
STL10:59 pmLambert-St Louis
$1,269

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 July 31, 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

$825

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

$829

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Fri 9/18

8:40 pm-4:25 pm

1 stop29h 45m

Osaka Kansai Intl

Tue 9/29

6:00 pm-8:06 pm

1 stop16h 06m

$1,061

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Sun 8/23

12:15 pm-9:50 pm

1 stop19h 35m

Osaka Kansai Intl

Fri 8/28

9:20 am-3:25 pm

1 stop20h 05m

$1,072

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 11/16

11:30 pm-11:55 am

1 stop21h 25m

Osaka Kansai Intl

Thu 12/3

10:55 am-7:35 pm

1 stop23h 40m

$1,113

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Tue 10/27

12:30 am-11:55 am

1 stop21h 25m

Osaka Kansai Intl

Mon 11/9

6:10 pm-7:35 pm

1 stop40h 25m

$1,113

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Sat 8/29

9:28 pm-2:50 pm

1 stop27h 22m

Osaka Kansai Intl

Tue 9/8

9:20 am-2:55 pm

1 stop19h 35m

$1,124

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Wed 8/26

5:00 am-2:50 pm

2 stops19h 50m

Osaka Kansai Intl

Fri 9/4

9:20 am-3:25 pm

1 stop20h 05m

$1,129
Quickest round-trip

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Tue 8/11

2:30 pm-10:00 pm

1 stop17h 30m

Osaka Kansai Intl

Fri 8/14

5:45 pm-11:30 pm

1 stop19h 45m

$1,131

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Sun 8/23

7:00 am-6:45 pm

1 stop21h 45m

Osaka Kansai Intl

Mon 8/31

9:00 pm-10:45 am

1 stop27h 45m

$1,142

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

What is the cheapest month to fly to Osaka Kansai Intl Airport?

In general, February is the cheapest month to fly from Illinois to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of February, then book flights to Osaka Kansai Intl Airport from Illinois during October instead. Flights to Osaka Kansai Intl Airport in October, while not as cheap as those in February, still average around $1,087.

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

16h 35m

Direct flights

None
The fastest flight from Illinois to Osaka Kansai Intl Airport takes 16h 35m
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.
Search flight deals

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
1,506 reviews
Search EVA Air flights
Japan AirlinesPriceFrom $1,039Free CancellationRating
8.3
1,889 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,145Free CancellationRating
7.4
10,063 reviews
Search United Airlines flights
ANAPriceFrom $1,170Free CancellationRating
8.3
1,288 reviews
Search ANA 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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