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

Air Canada, EVA Air, and Japan Airlines are the most popular carriers operating from Illinois to Osaka

What airlines fly to Osaka?

ANA, Japan Airlines and EVA Air are the top three most popular airlines that fly to Osaka from Illinois according to our data. ANA is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Osaka. Keep in mind that there are 4 different airlines that fly to Osaka on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Illinois to Osaka refresh daily.

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

As of July 2026, there are 4 operators available to choose from for flights from Illinois to Osaka.

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

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.

What documentation or ID do you need to fly to Osaka?

The travel and health documents required for your trip to Osaka 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$424 Cheap Flights from Illinois to Osaka in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 7:35 pm

ORD

KIX

29h 50m

1 stop

10:25 am - 4:55 pm

KIX

ORD

21h 30m

1 stop

$870Philippine Airlines

Mon, Nov 9 - Mon, Nov 16

10:45 pm - 2:10 pm

ORD

KIX

24h 25m

1 stop

3:15 pm - 4:55 pm

KIX

ORD

40h 40m

1 stop

$873Philippine Airlines

Wed, Nov 11 - Sun, Nov 22

12:10 pm - 4:25 pm

STL

KIX

38h 15m

2 stops

6:00 pm - 6:41 pm

KIX

STL

38h 41m

2 stops

$902Air Canada

Tue, Sep 15 - Tue, Sep 22

5:30 pm - 2:50 pm

STL

KIX

31h 20m

2 stops

4:55 pm - 10:59 pm

KIX

STL

20h 04m

2 stops

$905United Airlines

Mon, Aug 31 - Thu, Sep 10

8:55 am - 4:25 pm

STL

KIX

17h 30m

1 stop

6:00 pm - 6:41 pm

KIX

STL

38h 41m

2 stops

$907Air Canada

Tue, Sep 15 - Tue, Sep 22

8:50 am - 7:50 pm

STL

KIX

21h 00m

2 stops

4:55 pm - 8:38 pm

KIX

STL

17h 43m

2 stops

$911ANA

Tue, Sep 15 - Tue, Sep 22

8:40 am - 7:50 pm

STL

KIX

21h 10m

2 stops

4:55 pm - 10:10 am

KIX

STL

31h 15m

2 stops

$912United Airlines

Tue, Sep 15 - Tue, Sep 22

9:43 am - 7:50 pm

STL

KIX

20h 07m

2 stops

4:55 pm - 3:38 pm

KIX

STL

36h 43m

1 stop

$919ANA

Tue, Sep 15 - Tue, Sep 22

8:55 am - 6:10 pm

STL

ITM

19h 15m

2 stops

8:25 am - 8:20 pm

ITM

STL

25h 55m

2 stops

$1,045Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

8:55 am - 6:55 pm

STL

ITM

20h 00m

2 stops

2:00 pm - 8:24 pm

ITM

STL

20h 24m

2 stops

$1,188Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

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United Airlines flights from Illinois to Osaka

Our best United Airlines deals on Illinois to Osaka flight tickets

United Airlines

Aug 31

STL5:30 pmLambert-St Louis

31h 20m

2 stops

KIX2:50 pmOsaka Kansai Intl

Sep 10

KIX4:55 pmOsaka Kansai Intl

20h 04m

2 stops

STL10:59 pmLambert-St Louis

$905

United Airlines

Sep 15

STL8:40 amLambert-St Louis

21h 10m

2 stops

KIX7:50 pmOsaka Kansai Intl

Sep 22

KIX4:55 pmOsaka Kansai Intl

31h 15m

2 stops

STL10:10 amLambert-St Louis

$912

United Airlines

Oct 11

STL8:00 amLambert-St Louis

40h 50m

2 stops

KIX2:50 pmOsaka Kansai Intl

Oct 29

KIX6:35 pmOsaka Kansai Intl

17h 35m

1 stop

STL10:10 pmLambert-St Louis

$1,130

ANA flights from Illinois to Osaka

Our best ANA deals on Illinois to Osaka flight tickets

ANA

Sep 15

STL8:50 amLambert-St Louis

21h 00m

2 stops

KIX7:50 pmOsaka Kansai Intl

Sep 22

KIX4:55 pmOsaka Kansai Intl

17h 43m

2 stops

STL8:38 pmLambert-St Louis

$911

ANA

Sep 15

STL9:43 amLambert-St Louis

20h 07m

2 stops

KIX7:50 pmOsaka Kansai Intl

Sep 22

KIX4:55 pmOsaka Kansai Intl

36h 43m

1 stop

STL3:38 pmLambert-St Louis

$919

ANA

Sep 15

STL8:50 amLambert-St Louis

21h 45m

2 stops

ITM8:35 pmOsaka Itami

Sep 22

ITM10:00 amOsaka Itami

23h 27m

2 stops

STL7:27 pmLambert-St Louis

$923

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 11/9

10:45 pm-7:35 pm

1 stop29h 50m

Osaka Kansai Intl

Mon 11/16

10:25 am-4:55 pm

1 stop21h 30m

$870

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Wed 11/11

10:45 pm-2:10 pm

1 stop24h 25m

Osaka Kansai Intl

Sun 11/22

3:15 pm-4:55 pm

1 stop40h 40m

$873

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

$902

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 8/31

5:30 pm-2:50 pm

2 stops31h 20m

Osaka Kansai Intl

Thu 9/10

4:55 pm-10:59 pm

2 stops20h 04m

$905

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

$907

Quickest round-trip

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/15

8:50 am-7:50 pm

2 stops21h 00m

Osaka Kansai Intl

Tue 9/22

4:55 pm-8:38 pm

2 stops17h 43m

$911

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/15

8:40 am-7:50 pm

2 stops21h 10m

Osaka Kansai Intl

Tue 9/22

4:55 pm-10:10 am

2 stops31h 15m

$912

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/15

9:43 am-7:50 pm

2 stops20h 07m

Osaka Kansai Intl

Tue 9/22

4:55 pm-3:38 pm

1 stop36h 43m

$919

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Tue 9/15

8:55 am-6:10 pm

2 stops19h 15m

Osaka Itami

Tue 9/22

8:25 am-8:20 pm

2 stops25h 55m

$1,045

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 8/10

8:55 am-6:55 pm

2 stops20h 00m

Osaka Itami

Mon 8/17

2:00 pm-8:24 pm

2 stops20h 24m

$1,188

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Osaka

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

Prices

Airlines

What is the cheapest month to fly to Osaka?

In general, November is the cheapest month to fly from Illinois to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $661. If you are unable to visit Osaka during the month of November, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $677.

Can stopping save me money on Illinois to Osaka flights?

You could potentially save up to 9% on your flight if you consider stops on a Illinois to Osaka flight.

Cheap Illinois to Osaka flight deals and tips

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

Fastest flight time	16h 05m
Direct flights	None

The fastest flight from Illinois to Osaka takes 16h 05m

There are no direct flights from Illinois to Osaka. There are no popular flight routes from Illinois to Osaka.

Search flight deals

Frequently asked questions about flying from Illinois to Osaka

When did momondo last update prices for flights from Illinois to Osaka?
Prices for flights from Illinois to Osaka refresh daily.
How many operators does momondo search for flights from Illinois to Osaka?
As of July 2026, there are 4 operators available to choose from for flights from Illinois to Osaka.
How old do you have to be to fly from Illinois to Osaka?
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.
What documentation or ID do you need to fly to Osaka?
The travel and health documents required for your trip to Osaka 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. 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

Compare and see reviews for airlines that fly from Illinois to Osaka with momondo

Airline	Rating	Free Cancellation	Price
EVA Air	PriceFrom $1,008	Free Cancellation	Rating 8.5 1,484 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $1,039	Free Cancellation	Rating 8.3 1,858 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $1,145	Free Cancellation	Rating 7.4 9,927 reviews	Search United Airlines flights
ANA	PriceFrom $1,162	Free Cancellation	Rating 8.3 1,260 reviews	Search ANA flights

Nara

Nishinomiya

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Osaka. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Osaka from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Osaka from Illinois.

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

Of course. momondo tracks the price of Illinois to Osaka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Osaka

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Cheap flights from Illinois to Osaka from $424

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 10/20. 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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United Airlines flights from Illinois to Osaka

Our best United Airlines deals on Illinois to Osaka flight tickets

ANA flights from Illinois to Osaka

Our best ANA deals on Illinois to Osaka flight tickets

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How to get the cheapest flight ticket from Illinois to Osaka

What is the cheapest month to fly to Osaka?

Can stopping save me money on Illinois to Osaka flights?

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

What airlines fly to Osaka?

Cheap Illinois to Osaka flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to Osaka

Best airlines flying from Illinois to Osaka

Compare and see reviews for airlines that fly from Illinois to Osaka with momondo

Traveling to a place near Osaka?

Why use momondo?

An easier way to manage your Osaka trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka

Fly your favorite airline to Osaka

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Cabin classes currently available on flights to Osaka

List of cabin classes available on flights landing in Osaka. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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