What airlines fly to Osaka?

ANA, EVA Air and Air Canada 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 41% 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.

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

United Airlines, Japan Airlines, and ANA are the most popular carriers operating 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 August 2025, 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.

$410 Cheap Flights from Illinois to Osaka in 2025

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Find the cheapest flights from Illinois to Osaka

Round-trip

One-way

Last minute

Cheap round-trip flights

4:05 pm - 8:20 pmSTL-ITM

37h 15m2 stops

4:00 pm - 3:29 pmITM-STL

38h 29m2 stops

$672Air Canada

Find Deal

Mon, Dec 1 - Thu, Dec 11

2:40 pm - 9:05 pmORD-KIX

39h 25m1 stop

4:55 pm - 1:00 pmKIX-ORD

35h 05m1 stop

$675Cathay Pacific

Find Deal

Mon, Nov 3 - Mon, Nov 24

4:05 pm - 10:20 pmSTL-KIX

39h 15m2 stops

2:10 pm - 3:29 pmKIX-STL

40h 19m2 stops

$685

Find Deal

Mon, Dec 1 - Thu, Dec 11

5:15 am - 2:50 pmSTL-KIX

19h 35m2 stops

4:50 pm - 11:58 pmKIX-STL

21h 08m2 stops

$701United Airlines

Find Deal

Tue, Sep 16 - Wed, Oct 1

5:49 pm - 2:50 pmSTL-KIX

31h 01m1 stop

8:30 am - 6:17 pmKIX-STL

23h 47m2 stops

$707United Airlines

Find Deal

Tue, Sep 16 - Wed, Oct 1

8:10 am - 10:20 pmSTL-KIX

24h 10m2 stops

6:45 am - 12:28 pmKIX-STL

19h 43m2 stops

$728ANA

Find Deal

Mon, Sep 15 - Thu, Oct 2

7:00 am - 6:50 pmSTL-KIX

20h 50m1 stop

6:45 am - 2:35 pmKIX-STL

22h 50m2 stops

$746Japan Airlines

Find Deal

Tue, Nov 18 - Fri, Dec 5

7:00 am - 6:50 pmSTL-KIX

20h 50m1 stop

6:45 am - 11:06 amKIX-STL

19h 21m2 stops

$747Japan Airlines

Find Deal

Tue, Nov 18 - Sat, Dec 6

8:10 am - 7:30 pmSTL-KIX

21h 20m2 stops

6:45 am - 2:27 pmKIX-STL

21h 42m2 stops

$767ANA

Find Deal

Sun, Sep 14 - Fri, Oct 3

7:09 pm - 10:10 amORD-UKB

25h 01m2 stops

11:10 am - 6:14 pmUKB-ORD

21h 04m2 stops

$822

Find Deal

Tue, Sep 16 - Wed, Sep 24

Cathay Pacific flights from Illinois to Osaka

Our best Cathay Pacific deals on Illinois to Osaka flight tickets

Cathay Pacific

Nov 3

ORD2:40 pmChicago O'Hare Intl

39h 25m

1 stop

KIX9:05 pmOsaka Kansai Intl

Nov 24

KIX4:55 pmOsaka Kansai Intl

35h 05m

1 stop

ORD1:00 pmChicago O'Hare Intl

$675

Find similar

Cathay Pacific

Oct 28

ORD3:40 pmChicago O'Hare Intl

31h 05m

1 stop

KIX12:45 pmOsaka Kansai Intl

Nov 4

KIX9:50 amOsaka Kansai Intl

42h 10m

1 stop

ORD1:00 pmChicago O'Hare Intl

$677

Find similar

Cathay Pacific

Sep 15

ORD4:00 pmChicago O'Hare Intl

24h 40m

1 stop

KIX6:40 amOsaka Kansai Intl

Sep 30

KIX10:00 amOsaka Kansai Intl

42h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$683

Find similar

Air Canada flights from Illinois to Osaka

Our best Air Canada deals on Illinois to Osaka flight tickets

Air Canada

Dec 1

STL4:05 pmLambert-St Louis

37h 15m

2 stops

ITM8:20 pmOsaka Itami

Dec 11

ITM4:00 pmOsaka Itami

38h 29m

2 stops

STL3:29 pmLambert-St Louis

$672

Find similar

Air Canada

Nov 19

STL4:05 pmLambert-St Louis

58h 35m

2 stops

KIX5:40 pmOsaka Kansai Intl

Dec 6

KIX3:40 pmOsaka Kansai Intl

38h 49m

2 stops

STL3:29 pmLambert-St Louis

$704

Find similar

Air Canada

Nov 18

STL11:05 amLambert-St Louis

39h 35m

2 stops

KIX5:40 pmOsaka Kansai Intl

Dec 9

KIX3:40 pmOsaka Kansai Intl

38h 49m

2 stops

STL3:29 pmLambert-St Louis

$761

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 12/1

4:05 pm-8:20 pm

2 stops37h 15m

Osaka Itami

Thu 12/11

4:00 pm-3:29 pm

2 stops38h 29m

$672

ChicagoOsaka

ORD - KIX

ORDKIX

Chicago O'Hare Intl

Mon 11/3

2:40 pm-9:05 pm

1 stop39h 25m

Osaka Kansai Intl

Mon 11/24

4:55 pm-1:00 pm

1 stop35h 05m

$675

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 12/1

4:05 pm-10:20 pm

2 stops39h 15m

Osaka Kansai Intl

Thu 12/11

2:10 pm-3:29 pm

2 stops40h 19m

$685

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/16

5:15 am-2:50 pm

2 stops19h 35m

Osaka Kansai Intl

Wed 10/1

4:50 pm-11:58 pm

2 stops21h 08m

$701

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 9/16

5:49 pm-2:50 pm

1 stop31h 01m

Osaka Kansai Intl

Wed 10/1

8:30 am-6:17 pm

2 stops23h 47m

$707

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 9/15

8:10 am-10:20 pm

2 stops24h 10m

Osaka Kansai Intl

Thu 10/2

6:45 am-12:28 pm

2 stops19h 43m

$728

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 11/18

7:00 am-6:50 pm

1 stop20h 50m

Osaka Kansai Intl

Fri 12/5

6:45 am-2:35 pm

2 stops22h 50m

$746

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Tue 11/18

7:00 am-6:50 pm

1 stop20h 50m

Osaka Kansai Intl

Sat 12/6

6:45 am-11:06 am

2 stops19h 21m

$747

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 9/14

8:10 am-7:30 pm

2 stops21h 20m

Osaka Kansai Intl

Fri 10/3

6:45 am-2:27 pm

2 stops21h 42m

$767

ChicagoKobe

ORD - UKB

ORDUKB

Chicago O'Hare Intl

Tue 9/16

7:09 pm-10:10 am

2 stops25h 01m

Kobe

Wed 9/24

11:10 am-6:14 pm

2 stops21h 04m

$822

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, October 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 $1,083. If you are unable to visit Osaka during the month of October, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $1,097.

What is the cheapest day to depart on your flight to Osaka?

According to our data, Tuesday is the cheapest day to fly to Osaka from Illinois. The lowest ticket price found for a Tuesday departure recently was $1,283. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Osaka for around $1,701.

What is the cheapest time of day to depart on your flight to Osaka?

Our data shows that the cheapest Illinois to Osaka flights are usually those with departure times in the afternoon. Our users have found flights to Osaka in the afternoon for as low as $1,034. Flights to Osaka are more costly at noon, with an average ticket price of $1,620. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Illinois to Osaka flights?

You could potentially save up to 50% 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

Best Price Found	$410
Fastest flight time	16h 25m
Direct flights	None
Airports in Osaka	3 airports

The best one-way flight to Osaka from Illinois in the past 72 hours is $410. The best round-trip flight deal from Illinois to Osaka found on momondo in the last 72 hours is $672.

The fastest flight from Illinois to Osaka takes 16h 25m

There are no direct flights from Illinois to Osaka. Popular non-direct routes for this connection are Lambert-St Louis Airport - Osaka Kansai Intl Airport, Chicago O'Hare Intl Airport - Kobe Airport and Lambert-St Louis Airport - Osaka Itami Airport.

There are 3 airports near Osaka: Osaka Itami (ITM), Osaka Kansai Intl (KIX), Kobe (UKB)

Search flight deals

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 August 2025, 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
ANA	PriceFrom $983	Free Cancellation	Rating 8.4 933 reviews	Search ANA flights
Air Canada	PriceFrom $1,025	Free Cancellation	Rating 7.1 9,977 reviews	Search Air Canada flights
EVA Air	PriceFrom $1,097	Free Cancellation	Rating 8.4 1,232 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,099	Free Cancellation	Rating 7.4 8,919 reviews	Search United Airlines flights

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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.