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

WestJet and Delta are the most popular carriers operating from Japan to Illinois

How long is the flight from Japan to Illinois?

The flight from Japan to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Tokyo (a popular airport in Japan) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 11h 40m on average. If you fly from Osaka (another popular airport in Japan) to Chicago O'Hare Intl Airport, then the average flight time is 18h 57m.

How many flights depart from Japan to Illinois on average per day?

The number of flights available between Japan and Illinois is 14 per day as of November 2025. The most frequent departure time is 5:00PM, with 88% of daily flights leaving in the afternoon.

How many flights depart from Japan to Illinois on average per week?

101 flights are operational weekly from Japan to Illinois as of November 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

What airlines fly to Illinois?

EVA Air, ANA and Air Canada are the top three most popular airlines that fly to Illinois from Japan according to our data. EVA Air is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Japan to Illinois were last updated today.

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

As of November 2025, there are 4 operators available to choose from for flights from Japan to Illinois.

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

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 Japan to Illinois.

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

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

$339 Cheap Flights from Japan to Illinois in 2025/26

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Find the cheapest flights from Japan to Illinois

Round-trip

One-way

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Recent round-trip flight deals from Japan to Illinois

Enter your travel dates to find the best prices.

5:55 pm - 7:29 pmHND-STL

16h 34m1 stop

7:15 am - 6:30 pmSTL-HND

20h 15m1 stop

$700American Airlines

Find Deal

Tue, Feb 3 - Mon, Feb 9

8:25 pm - 10:59 pmHND-STL

17h 34m2 stops

7:00 am - 6:30 pmSTL-HND

20h 30m1 stop

$705American Airlines

Find Deal

Wed, Feb 4 - Wed, Feb 25

6:20 pm - 12:27 pmHND-STL

33h 07m1 stop

8:15 am - 4:50 pmSTL-HND

17h 35m1 stop

$918United Airlines

Find Deal

Fri, Dec 19 - Thu, Jan 1

6:20 pm - 10:43 pmHND-STL

19h 23m1 stop

11:25 am - 5:45 pmSTL-HND

16h 20m1 stop

$951United Airlines

Find Deal

Sat, Dec 20 - Wed, Mar 18

12:55 pm - 7:35 pmKIX-ORD

21h 40m1 stop

11:30 pm - 9:55 amORD-KIX

19h 25m1 stop

$986EVA Air

Find Deal

Mon, Mar 2 - Tue, Mar 3

10:15 am - 7:35 pmOKA-ORD

24h 20m1 stop

11:30 pm - 9:15 amORD-OKA

18h 45m1 stop

$998EVA Air

Find Deal

Sun, Nov 16 - Wed, Nov 19

6:50 pm - 7:30 pmHND-ORD

15h 40m1 stop

8:00 am - 4:40 pmORD-HND

17h 40m1 stop

$1,263Air Canada

Find Deal

Wed, Dec 3 - Tue, Dec 9

6:50 pm - 11:18 amHND-ORD

30h 28m2 stops

8:20 pm - 3:40 pmORD-HND

29h 20m1 stop

$1,339Air Canada

Find Deal

Wed, Mar 25 - Tue, Mar 31

2:05 pm - 1:50 pmITM-ORD

14h 45m1 stop

10:30 am - 6:55 pmORD-ITM

17h 25m1 stop

$1,543ANA

Find Deal

Mon, Dec 22 - Thu, Jan 8

8:20 pm - 7:20 amITM-ORD

26h 00m1 stop

10:30 am - 6:55 pmORD-ITM

17h 25m1 stop

$1,712ANA

Find Deal

Sun, Dec 21 - Thu, Jan 8

Cathay Pacific flights from Japan to Illinois

Our best Cathay Pacific deals on Japan to Illinois flight tickets

Cathay Pacific

Feb 8

NRT6:00 pmTokyo Narita

33h 55m

1 stop

ORD12:55 pmChicago O'Hare Intl

Feb 20

ORD2:35 pmChicago O'Hare Intl

38h 45m

1 stop

NRT8:20 pmTokyo Narita

$957

Find similar

Cathay Pacific

Nov 8

KIX4:15 pmOsaka Kansai Intl

35h 40m

2 stops

ORD12:55 pmChicago O'Hare Intl

Nov 11

ORD2:35 pmChicago O'Hare Intl

24h 45m

1 stop

KIX6:20 amOsaka Kansai Intl

$964

Find similar

Cathay Pacific

Feb 14

NRT3:30 pmTokyo Narita

36h 25m

2 stops

ORD12:55 pmChicago O'Hare Intl

Feb 22

ORD2:35 pmChicago O'Hare Intl

32h 35m

1 stop

NRT2:10 pmTokyo Narita

$973

Find similar

EVA Air flights from Japan to Illinois

Our best EVA Air deals on Japan to Illinois flight tickets

EVA Air

Nov 5

OKA10:15 amOkinawa Naha

24h 20m

1 stop

ORD7:35 pmChicago O'Hare Intl

Nov 7

ORD11:30 pmChicago O'Hare Intl

18h 45m

1 stop

OKA9:15 amOkinawa Naha

$934

Find similar

EVA Air

Nov 8

KIX12:55 pmOsaka Kansai Intl

21h 40m

1 stop

ORD7:35 pmChicago O'Hare Intl

Nov 11

ORD11:30 pmChicago O'Hare Intl

19h 25m

1 stop

KIX9:55 amOsaka Kansai Intl

$940

Find similar

EVA Air

Mar 2

KIX12:55 pmOsaka Kansai Intl

21h 40m

1 stop

ORD7:35 pmChicago O'Hare Intl

Mar 3

ORD11:30 pmChicago O'Hare Intl

19h 25m

1 stop

KIX9:55 amOsaka Kansai Intl

$986

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Tue 2/3

5:55 pm-7:29 pm

1 stop16h 34m

Lambert-St Louis

Mon 2/9

7:15 am-6:30 pm

1 stop20h 15m

$700

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Wed 2/4

8:25 pm-10:59 pm

2 stops17h 34m

Lambert-St Louis

Wed 2/25

7:00 am-6:30 pm

1 stop20h 30m

$705

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Fri 12/19

6:20 pm-12:27 pm

1 stop33h 07m

Lambert-St Louis

Thu 1/1

8:15 am-4:50 pm

1 stop17h 35m

$918

TokyoSt. Louis

HND - STL

HNDSTL

Tokyo Haneda

Sat 12/20

6:20 pm-10:43 pm

1 stop19h 23m

Lambert-St Louis

Wed 3/18

11:25 am-5:45 pm

1 stop16h 20m

$951

OsakaChicago

KIX - ORD

KIXORD

Osaka Kansai Intl

Mon 3/2

12:55 pm-7:35 pm

1 stop21h 40m

Chicago O'Hare Intl

Tue 3/3

11:30 pm-9:55 am

1 stop19h 25m

$986

OkinawaChicago

OKA - ORD

OKAORD

Okinawa Naha

Sun 11/16

10:15 am-7:35 pm

1 stop24h 20m

Chicago O'Hare Intl

Wed 11/19

11:30 pm-9:15 am

1 stop18h 45m

$998

TokyoChicago

HND - ORD

HNDORD

Tokyo Haneda

Wed 12/3

6:50 pm-7:30 pm

1 stop15h 40m

Chicago O'Hare Intl

Tue 12/9

8:00 am-4:40 pm

1 stop17h 40m

$1,263

TokyoChicago

HND - ORD

HNDORD

Tokyo Haneda

Wed 3/25

6:50 pm-11:18 am

2 stops30h 28m

Chicago O'Hare Intl

Tue 3/31

8:20 pm-3:40 pm

1 stop29h 20m

$1,339

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Mon 12/22

2:05 pm-1:50 pm

1 stop14h 45m

Chicago O'Hare Intl

Thu 1/8

10:30 am-6:55 pm

1 stop17h 25m

$1,543

OsakaChicago

ITM - ORD

ITMORD

Osaka Itami

Sun 12/21

8:20 pm-7:20 am

1 stop26h 00m

Chicago O'Hare Intl

Thu 1/8

10:30 am-6:55 pm

1 stop17h 25m

$1,712

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 Japan to Illinois

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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Japan is in February. Flight prices, which tend to average around $1,068, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,124.

What is the cheapest Japan to Illinois flight route?

Fly from Tokyo Haneda to Chicago O'Hare Intl for the best Japan - Illinois flight prices

What cabin class options are available on Japan to Illinois flights?

There are 4 cabin classes available to choose from on Japan to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Japan to Illinois flights?

You could potentially save up to 52% on your flight if you consider stops on a Japan to Illinois flight.

Cheap Japan to Illinois flight deals and tips

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

Best Price Found	$589
Fastest flight time	11h 30m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Japan in the past 72 hours is $589. The best round-trip flight deal from Japan to Illinois found on momondo in the last 72 hours is $978.

The fastest flight from Japan to Illinois takes 11h 30m

Direct flights go from Japan to Illinois every day.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from Japan to Illinois?
Prices for flights from Japan to Illinois were last updated today.
How many operators does momondo search for flights from Japan to Illinois?
As of November 2025, there are 4 operators available to choose from for flights from Japan to Illinois.
How old do you have to be to fly from Japan to Illinois?
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 Japan to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Japan to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Japan to Illinois is Boeing 777-300ER (36.26% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (24.54%), Boeing 777-300 (20.51%), and Boeing 787-9 Dreamliner (5.13%).

Best airlines flying from Japan to Illinois

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $804	Free Cancellation	Rating 7.1 10,394 reviews	Search Air Canada flights
EVA Air	PriceFrom $960	Free Cancellation	Rating 8.4 1,268 reviews	Search EVA Air flights
United Airlines	PriceFrom $1,389	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
ANA	PriceFrom $1,551	Free Cancellation	Rating 8.4 1,000 reviews	Search ANA flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Japan to Illinois for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Illinois from Japan. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Japan to Illinois 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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Cheap flights from Japan to Illinois from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Japan to Illinois departing on 12/16. 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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Filter for what you want

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Find the cheapest flights from Japan to Illinois

Recent round-trip flight deals from Japan to Illinois

Recent one-way flight deals from Japan to Illinois

Recent last minute flight deals from Japan to Illinois

Recent direct flight deals from Japan to Illinois

Cathay Pacific flights from Japan to Illinois

Our best Cathay Pacific deals on Japan to Illinois flight tickets

EVA Air flights from Japan to Illinois

Our best EVA Air deals on Japan to Illinois flight tickets

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Use the filters below to find and compare flights from Japan to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Japan to Illinois

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 Illinois?

What is the cheapest Japan to Illinois flight route?

Fly from Tokyo Haneda to Chicago O'Hare Intl for the best Japan - Illinois flight prices

What cabin class options are available on Japan to Illinois flights?

There are 4 cabin classes available to choose from on Japan to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Japan to Illinois flights?

You could potentially save up to 52% on your flight if you consider stops on a Japan to Illinois flight.

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

WestJet and Delta are the most popular carriers operating from Japan to Illinois

What airlines fly to Illinois?

How many flights depart from Japan to Illinois on average per day?

The number of flights available between Japan and Illinois is 14 per day as of November 2025. The most frequent departure time is 5:00PM, with 88% of daily flights leaving in the afternoon.

How many flights depart from Japan to Illinois on average per week?

101 flights are operational weekly from Japan to Illinois as of November 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

How long is the flight from Japan to Illinois?

Cheap Japan to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

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

What is the most popular plane model from Japan to Illinois?

Best airlines flying from Japan to Illinois

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

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