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Cheap flights from Illinois to Osaka from $537

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 8/14. 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

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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
8:45 am - 6:55 pm
ORD
-
ITM
20h 10m
2 stops
Air Canada Logo
2:00 pm - 8:12 pm
ITM
-
ORD
20h 12m
2 stops
$980Air Canada
Tue, Sep 15 - Tue, Sep 29
Air Canada Logo
8:45 am - 6:55 pm
ORD
-
ITM
20h 10m
2 stops
Air Canada Logo
3:00 pm - 7:48 pm
ITM
-
ORD
18h 48m
2 stops
$1,051Air Canada
Wed, Sep 9 - Wed, Sep 16
ANA Logo
11:50 am - 6:55 pm
ORD
-
ITM
17h 05m
1 stop
ANA Logo
2:00 pm - 2:55 pm
ITM
-
ORD
14h 55m
1 stop
$1,077ANA
Sun, Apr 26 - Fri, May 15
Multiple Airlines Logo
5:45 pm - 7:30 am
ORD
-
ITM
23h 45m
1 stop
Multiple Airlines Logo
2:00 pm - 5:22 pm
ITM
-
ORD
41h 22m
2 stops
$1,108Multiple Airlines
Mon, Aug 10 - Thu, Aug 20
Multiple Airlines Logo
9:50 am - 6:55 pm
ORD
-
ITM
19h 05m
2 stops
Multiple Airlines Logo
2:00 pm - 8:12 pm
ITM
-
ORD
20h 12m
2 stops
$1,135Multiple Airlines
Wed, Sep 2 - Wed, Sep 16
Japan Airlines Logo
8:35 am - 7:50 pm
STL
-
ITM
21h 15m
2 stops
Japan Airlines Logo
4:45 pm - 3:48 pm
ITM
-
STL
37h 03m
2 stops
$1,143Japan Airlines
Wed, Aug 5 - Thu, Aug 13
Japan Airlines Logo
7:44 am - 7:50 pm
STL
-
ITM
22h 06m
2 stops
Japan Airlines Logo
7:05 am - 2:25 pm
ITM
-
STL
21h 20m
2 stops
$1,144Japan Airlines
Tue, Sep 15 - Tue, Sep 22
ANA Logo
8:45 am - 6:55 pm
ORD
-
ITM
20h 10m
2 stops
ANA Logo
2:00 pm - 8:12 pm
ITM
-
ORD
20h 12m
2 stops
$1,145ANA
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
5:10 am - 5:05 pm
STL
-
ITM
45h 55m
3 stops
United Airlines Logo
12:50 pm - 11:37 pm
ITM
-
STL
24h 47m
2 stops
$1,194United Airlines
Sun, Aug 30 - Wed, Sep 2
United Airlines Logo
9:16 am - 5:05 pm
STL
-
ITM
41h 49m
2 stops
United Airlines Logo
12:50 pm - 7:31 pm
ITM
-
STL
20h 41m
2 stops
$1,199United Airlines
Sun, Aug 30 - Wed, Sep 2

United Airlines flights from Illinois to Osaka Itami Airport

Our best United Airlines deals on Illinois to Osaka Itami Airport flight tickets
United Airlines
Aug 30
STL5:10 amLambert-St Louis
45h 55m
3 stops
ITM5:05 pmOsaka Itami
Sep 2
ITM12:50 pmOsaka Itami
24h 47m
2 stops
STL11:37 pmLambert-St Louis
$1,194
United Airlines
Aug 30
STL9:16 amLambert-St Louis
41h 49m
2 stops
ITM5:05 pmOsaka Itami
Sep 2
ITM12:50 pmOsaka Itami
20h 41m
2 stops
STL7:31 pmLambert-St Louis
$1,199
United Airlines
Apr 20
ORD5:00 amChicago O'Hare Intl
22h 05m
2 stops
ITM5:05 pmOsaka Itami
May 12
ITM12:55 pmOsaka Itami
19h 39m
2 stops
ORD6:34 pmChicago O'Hare Intl
$1,221

Japan Airlines flights from Illinois to Osaka Itami Airport

Our best Japan Airlines deals on Illinois to Osaka Itami Airport flight tickets
Japan Airlines
Aug 5
STL8:35 amLambert-St Louis
21h 15m
2 stops
ITM7:50 pmOsaka Itami
Aug 13
ITM4:45 pmOsaka Itami
37h 03m
2 stops
STL3:48 pmLambert-St Louis
$1,143
Japan Airlines
Sep 15
STL7:44 amLambert-St Louis
22h 06m
2 stops
ITM7:50 pmOsaka Itami
Sep 22
ITM7:05 amOsaka Itami
21h 20m
2 stops
STL2:25 pmLambert-St Louis
$1,144
Japan Airlines
Sep 15
STL7:44 amLambert-St Louis
22h 06m
2 stops
ITM7:50 pmOsaka Itami
Sep 22
ITM7:25 amOsaka Itami
21h 00m
2 stops
STL2:25 pmLambert-St Louis
$1,145

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Osaka Itami 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 March 31, 2026.
Use the filters below to find and compare flights from Illinois to Osaka Itami Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Tue 9/15

8:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Tue 9/29

2:00 pm-8:12 pm

2 stops20h 12m

$980

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Wed 9/9

8:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Wed 9/16

3:00 pm-7:48 pm

2 stops18h 48m

$1,051
Quickest round-trip

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Sun 4/26

11:50 am-6:55 pm

1 stop17h 05m

Osaka Itami

Fri 5/15

2:00 pm-2:55 pm

1 stop14h 55m

$1,077

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Mon 8/10

5:45 pm-7:30 am

1 stop23h 45m

Osaka Itami

Thu 8/20

2:00 pm-5:22 pm

2 stops41h 22m

$1,108

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Wed 9/2

9:50 am-6:55 pm

2 stops19h 05m

Osaka Itami

Wed 9/16

2:00 pm-8:12 pm

2 stops20h 12m

$1,135

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Wed 8/5

8:35 am-7:50 pm

2 stops21h 15m

Osaka Itami

Thu 8/13

4:45 pm-3:48 pm

2 stops37h 03m

$1,143

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Tue 9/15

7:44 am-7:50 pm

2 stops22h 06m

Osaka Itami

Tue 9/22

7:05 am-2:25 pm

2 stops21h 20m

$1,144

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Thu 9/3

8:45 am-6:55 pm

2 stops20h 10m

Osaka Itami

Tue 9/8

2:00 pm-8:12 pm

2 stops20h 12m

$1,145

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 8/30

5:10 am-5:05 pm

3 stops45h 55m

Osaka Itami

Wed 9/2

12:50 pm-11:37 pm

2 stops24h 47m

$1,194

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 8/30

9:16 am-5:05 pm

2 stops41h 49m

Osaka Itami

Wed 9/2

12:50 pm-7:31 pm

2 stops20h 41m

$1,199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Osaka from

How to get the cheapest flight ticket from Illinois to Osaka Itami 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 Itami Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Osaka Itami Airport flight.

Cheap Illinois to Osaka Itami Airport flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Illinois to Osaka Itami Airport takes 15h 55m
There are no direct flights from Illinois to Osaka Itami Airport. There are no popular flight routes from Illinois to Osaka Itami Airport.
Search flight deals

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

    Prices for flights from Illinois to Osaka Itami Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Osaka Itami Airport.

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

    The travel and health documents required for your trip to Osaka Itami Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Osaka Itami Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Osaka Itami Airport

Compare and see reviews for airlines that fly from Illinois to Osaka Itami Airport with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $1,022Free CancellationRating
8.4
1,160 reviews
Search ANA flights

Traveling to a place near Osaka?

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

Why use momondo?

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

It is quick and easy to find Illinois to Osaka flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Osaka that suits you.

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

momondo does allow users to show only those flights to Osaka from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Illinois to Osaka flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your Osaka Itami Airport trip

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