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Cheap flights from Illinois to Osaka from $388

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 3/7. 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
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.
ANA Logo
11:50 am - 6:55 pm
ORD
-
ITM
17h 05m
1 stop
ANA Logo
8:00 am - 8:40 am
ITM
-
ORD
14h 40m
1 stop
$900ANA
Mon, Apr 20 - Tue, May 12
United Airlines Logo
6:00 am - 5:05 pm
ORD
-
ITM
21h 05m
2 stops
United Airlines Logo
12:55 pm - 3:15 pm
ITM
-
ORD
16h 20m
1 stop
$912United Airlines
Mon, Apr 20 - Tue, May 12
ANA Logo
7:41 am - 8:35 pm
STL
-
ITM
21h 54m
2 stops
ANA Logo
10:00 am - 7:14 pm
ITM
-
STL
24h 14m
2 stops
$913ANA
Sun, Feb 15 - Sat, Feb 28
ANA Logo
7:41 am - 7:30 am
STL
-
ITM
32h 49m
2 stops
ANA Logo
2:05 pm - 7:14 pm
ITM
-
STL
20h 09m
2 stops
$914ANA
Sun, Feb 15 - Sat, Feb 28
ANA Logo
8:17 am - 8:35 pm
STL
-
ITM
21h 18m
2 stops
ANA Logo
2:05 pm - 10:36 am
ITM
-
STL
35h 31m
2 stops
$920ANA
Sun, Feb 15 - Sat, Feb 28
American Airlines Logo
6:04 am - 5:35 pm
ORD
-
ITM
21h 31m
2 stops
American Airlines Logo
8:30 am - 2:16 pm
ITM
-
ORD
19h 46m
2 stops
$922American Airlines
Mon, Apr 20 - Tue, May 12
ANA Logo
5:45 pm - 7:25 am
ORD
-
ITM
23h 40m
1 stop
ANA Logo
9:00 am - 2:55 pm
ITM
-
ORD
19h 55m
1 stop
$924ANA
Tue, Apr 7 - Tue, Apr 21
Japan Airlines Logo
7:00 am - 6:45 pm
STL
-
ITM
21h 45m
2 stops
Japan Airlines Logo
8:05 pm - 2:07 pm
ITM
-
STL
32h 02m
2 stops
$934Japan Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
6:04 am - 5:35 pm
ORD
-
ITM
21h 31m
2 stops
American Airlines Logo
8:30 am - 11:00 am
ITM
-
ORD
16h 30m
1 stop
$952American Airlines
Mon, Apr 20 - Tue, May 12
Japan Airlines Logo
2:10 pm - 8:30 pm
ORD
-
ITM
16h 20m
1 stop
Japan Airlines Logo
7:05 am - 10:45 am
ITM
-
ORD
17h 40m
1 stop
$957Japan Airlines
Tue, Apr 21 - Thu, Apr 30

ANA flights from Illinois to Osaka Itami Airport

Our best ANA deals on Illinois to Osaka Itami Airport flight tickets
ANA
Apr 20
ORD11:50 amChicago O'Hare Intl
17h 05m
1 stop
ITM6:55 pmOsaka Itami
May 12
ITM7:05 amOsaka Itami
15h 35m
1 stop
ORD8:40 amChicago O'Hare Intl
$900
ANA
Feb 15
STL7:41 amLambert-St Louis
21h 54m
2 stops
ITM8:35 pmOsaka Itami
Feb 28
ITM10:00 amOsaka Itami
24h 14m
2 stops
STL7:14 pmLambert-St Louis
$913
ANA
Feb 15
STL7:41 amLambert-St Louis
32h 49m
2 stops
ITM7:30 amOsaka Itami
Feb 28
ITM2:05 pmOsaka Itami
20h 09m
2 stops
STL7:14 pmLambert-St Louis
$914

Japan Airlines flights from Illinois to Osaka Itami Airport

Our best Japan Airlines deals on Illinois to Osaka Itami Airport flight tickets
Japan Airlines
Mar 10
STL9:21 amLambert-St Louis
32h 19m
2 stops
ITM7:40 amOsaka Itami
Mar 17
ITM7:05 amOsaka Itami
21h 02m
2 stops
STL2:07 pmLambert-St Louis
$914
Japan Airlines
Apr 21
ORD2:10 pmChicago O'Hare Intl
16h 20m
1 stop
ITM8:30 pmOsaka Itami
Apr 30
ITM7:05 amOsaka Itami
17h 40m
1 stop
ORD10:45 amChicago O'Hare Intl
$957
Japan Airlines
Apr 7
ORD2:10 pmChicago O'Hare Intl
16h 20m
1 stop
ITM8:30 pmOsaka Itami
Apr 22
ITM9:25 amOsaka Itami
15h 20m
1 stop
ORD10:45 amChicago O'Hare Intl
$972

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 February 11, 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

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Mon 4/20

11:50 am-6:55 pm

1 stop17h 05m

Osaka Itami

Tue 5/12

8:00 am-8:40 am

1 stop14h 40m

$900

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Mon 4/20

6:00 am-5:05 pm

2 stops21h 05m

Osaka Itami

Tue 5/12

12:55 pm-3:15 pm

1 stop16h 20m

$912

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 2/15

7:41 am-8:35 pm

2 stops21h 54m

Osaka Itami

Sat 2/28

10:00 am-7:14 pm

2 stops24h 14m

$913

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 2/15

7:41 am-7:30 am

2 stops32h 49m

Osaka Itami

Sat 2/28

2:05 pm-7:14 pm

2 stops20h 09m

$914

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 2/15

8:17 am-8:35 pm

2 stops21h 18m

Osaka Itami

Sat 2/28

2:05 pm-10:36 am

2 stops35h 31m

$920

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Mon 4/20

6:04 am-5:35 pm

2 stops21h 31m

Osaka Itami

Tue 5/12

8:30 am-2:16 pm

2 stops19h 46m

$922

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Tue 4/7

5:45 pm-7:25 am

1 stop23h 40m

Osaka Itami

Tue 4/21

9:00 am-2:55 pm

1 stop19h 55m

$924

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 3/9

7:00 am-6:45 pm

2 stops21h 45m

Osaka Itami

Mon 3/16

8:05 pm-2:07 pm

2 stops32h 02m

$934

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Mon 4/20

6:04 am-5:35 pm

2 stops21h 31m

Osaka Itami

Tue 5/12

8:30 am-11:00 am

1 stop16h 30m

$952

ChicagoOsaka

ORD - ITM

ORDITM

Chicago O'Hare Intl

Tue 4/21

2:10 pm-8:30 pm

1 stop16h 20m

Osaka Itami

Thu 4/30

7:05 am-10:45 am

1 stop17h 40m

$957

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

What is the cheapest airline that flies from Illinois to Osaka Itami?

ANA is the most popular carrier operating from Illinois to Osaka Itami

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
1,090 reviews
Search ANA flights
Air CanadaPriceFrom $1,025Free CancellationRating
7.1
10,705 reviews
Search Air Canada 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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