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

As of November 2025, there are 103 flights per week flying from Illinois to Japan. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

What airlines fly to Japan?

ANA, Air Canada and United Airlines are the top three most popular airlines that fly to Japan from Illinois according to our data. ANA is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 9 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

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

Air Canada, American Airlines, and Alaska Airlines are the most popular carriers operating from Illinois to Japan

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

As of November 2025, there are 14 flights per day flying from Illinois to Japan. The most common time of day flights depart is 11:00AM, with 59% of flights taking off in the afternoon.

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

Prices for flights from Illinois to Japan are refreshed on a daily basis.

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

As of November 2025, there are 9 operators available to choose from for flights from Illinois to Japan.

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

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 Japan.

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

The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$353 Cheap Flights from Illinois to Japan in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 3:30 pmSTL-NRT

17h 15m1 stop

5:05 pm - 11:59 pmNRT-STL

21h 54m1 stop

$772American Airlines

Find Deal

Tue, Jan 27 - Sat, Feb 7

7:41 am - 9:05 pmSTL-HND

22h 24m1 stop

6:20 pm - 7:19 pmHND-STL

15h 59m1 stop

$773ANA

Find Deal

Fri, Feb 20 - Sat, Feb 28

3:14 pm - 5:45 pmSTL-HND

35h 31m1 stop

4:50 pm - 7:16 pmHND-STL

17h 26m1 stop

$774United Airlines

Find Deal

Sat, Nov 15 - Tue, Nov 18

6:30 am - 3:00 pmSTL-NRT

17h 30m1 stop

5:00 pm - 8:58 pmNRT-STL

18h 58m2 stops

$776United Airlines

Find Deal

Tue, Jan 27 - Sat, Feb 7

4:05 pm - 4:40 pmSTL-HND

33h 35m1 stop

6:50 pm - 3:29 pmHND-STL

35h 39m1 stop

$776Air Canada

Find Deal

Tue, Nov 25 - Wed, Dec 10

2:50 pm - 4:00 pmSTL-NRT

34h 10m1 stop

6:30 pm - 10:51 pmNRT-STL

19h 21m1 stop

$777Alaska Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 23

7:41 am - 4:20 pmSTL-NRT

41h 39m2 stops

6:45 pm - 9:00 pmNRT-STL

41h 15m2 stops

$781Air Canada

Find Deal

Mon, Feb 16 - Tue, Mar 3

6:00 am - 2:35 pmSTL-HND

17h 35m1 stop

8:00 pm - 11:38 pmHND-STL

18h 38m1 stop

$781Delta

Find Deal

Fri, Feb 6 - Sun, Feb 15

10:19 am - 5:45 pmSTL-HND

16h 26m1 stop

4:25 pm - 8:45 pmHND-STL

19h 20m1 stop

$782Delta

Find Deal

Fri, Jan 16 - Sat, Jan 24

2:50 pm - 4:00 pmSTL-NRT

34h 10m1 stop

6:30 pm - 1:54 pmNRT-STL

34h 24m1 stop

$785Alaska Airlines

Find Deal

Fri, Jan 16 - Sun, Jan 25

American Airlines flights from Illinois to Japan

Our best American Airlines deals on Illinois to Japan flight tickets

American Airlines

Jan 27

STL7:15 amLambert-St Louis

17h 15m

1 stop

NRT3:30 pmTokyo Narita

Feb 7

NRT5:05 pmTokyo Narita

21h 54m

1 stop

STL11:59 pmLambert-St Louis

$772

Find similar

American Airlines

Dec 1

STL5:17 amLambert-St Louis

19h 13m

1 stop

NRT3:30 pmTokyo Narita

Feb 10

NRT6:10 pmTokyo Narita

20h 49m

2 stops

STL11:59 pmLambert-St Louis

$850

Find similar

American Airlines

Nov 30

STL5:17 amLambert-St Louis

19h 13m

1 stop

NRT3:30 pmTokyo Narita

Dec 7

NRT5:30 pmTokyo Narita

19h 55m

1 stop

STL10:25 pmLambert-St Louis

$868

Find similar

Alaska Airlines flights from Illinois to Japan

Our best Alaska Airlines deals on Illinois to Japan flight tickets

Alaska Airlines

Jan 16

STL2:50 pmLambert-St Louis

34h 10m

1 stop

NRT4:00 pmTokyo Narita

Jan 23

NRT6:30 pmTokyo Narita

19h 21m

1 stop

STL10:51 pmLambert-St Louis

$777

Find similar

Alaska Airlines

Jan 16

STL2:50 pmLambert-St Louis

34h 10m

1 stop

NRT4:00 pmTokyo Narita

Jan 25

NRT6:30 pmTokyo Narita

34h 24m

1 stop

STL1:54 pmLambert-St Louis

$785

Find similar

Alaska Airlines

Jan 6

STL7:00 amLambert-St Louis

18h 00m

1 stop

NRT4:00 pmTokyo Narita

Jan 13

NRT6:30 pmTokyo Narita

34h 24m

1 stop

STL1:54 pmLambert-St Louis

$806

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 1/27

7:15 am-3:30 pm

1 stop17h 15m

Tokyo Narita

Sat 2/7

5:05 pm-11:59 pm

1 stop21h 54m

$772

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 2/20

7:41 am-9:05 pm

1 stop22h 24m

Tokyo Haneda

Sat 2/28

6:20 pm-7:19 pm

1 stop15h 59m

$773

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sat 11/15

3:14 pm-5:45 pm

1 stop35h 31m

Tokyo Haneda

Tue 11/18

4:50 pm-7:16 pm

1 stop17h 26m

$774

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 1/27

6:30 am-3:00 pm

1 stop17h 30m

Tokyo Narita

Sat 2/7

5:00 pm-8:58 pm

2 stops18h 58m

$776

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 11/25

4:05 pm-4:40 pm

1 stop33h 35m

Tokyo Haneda

Wed 12/10

6:50 pm-3:29 pm

1 stop35h 39m

$776

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 1/16

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Fri 1/23

6:30 pm-10:51 pm

1 stop19h 21m

$777

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/16

7:41 am-4:20 pm

2 stops41h 39m

Tokyo Narita

Tue 3/3

6:45 pm-9:00 pm

2 stops41h 15m

$781

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 2/6

6:00 am-2:35 pm

1 stop17h 35m

Tokyo Haneda

Sun 2/15

8:00 pm-11:38 pm

1 stop18h 38m

$781

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Fri 1/16

10:19 am-5:45 pm

1 stop16h 26m

Tokyo Haneda

Sat 1/24

4:25 pm-8:45 pm

1 stop19h 20m

$782

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 1/16

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Sun 1/25

6:30 pm-1:54 pm

1 stop34h 24m

$785

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How to get the cheapest flight ticket from Illinois to Japan

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 Japan?

The month of September is, on average, the cheapest month to fly to Japan from Illinois, with most prices found around $1,028. If you aren’t able to travel to Japan during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,104.

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

On average, the least expensive day to fly to Japan from Illinois is on a Monday. momondo users have found tickets for Monday departures for as low as $1,121. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Japan on a Saturday will generally be more expensive and average around $1,683. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Japan from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,125 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Japan, so prices are often more expensive at around $1,651 per ticket.

What is the cheapest Illinois to Japan flight route?

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

How far in advance should I book a flight to Japan?

You are more likely to see cheaper flights to Japan from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Illinois for as low as $1,094 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Japan 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 Illinois to Japan flights?

You could potentially save up to 19% on your flight if you consider stops on a Illinois to Japan flight.

Cheap Illinois to Japan flight deals and tips

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

Best Price Found	$494
Fastest flight time	12h 50m
Direct flights	Every day
Airports in Japan	2 airports

The best one-way flight to Japan from Illinois in the past 72 hours is $494. The best round-trip flight deal from Illinois to Japan found on momondo in the last 72 hours is $807.

The fastest flight from Illinois to Japan takes 12h 50m

Direct flights go from Illinois to Japan every day.

There are 2 airports near Japan: Tokyo Narita (NRT), Tokyo Haneda (HND)

Search flight deals

When did momondo last update prices for flights from Illinois to Japan?
Prices for flights from Illinois to Japan are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Japan?
As of November 2025, there are 9 operators available to choose from for flights from Illinois to Japan.
How old do you have to be to fly from Illinois to Japan?
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 Japan.
What documentation or ID do you need to fly to Japan?
The travel and health documents you'll need for your trip to Japan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Japan?
Based on momondo bookings for flights between Illinois and Japan, the leading plane model is Boeing 777-300ER, making up 42.35% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 32.41%, Boeing 777-300 with 24.07%, and Airbus A350-1000 with 0.26%.

Best airlines flying from Illinois to Japan

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $491	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Cathay Pacific	PriceFrom $709	Free Cancellation	Rating 7.6 1,050 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $781	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Delta	PriceFrom $820	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Air Canada	PriceFrom $826	Free Cancellation	Rating 7.1 10,400 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $880	Free Cancellation	Rating 7.8 2,799 reviews	Search Hawaiian Airlines flights
EVA Air	PriceFrom $978	Free Cancellation	Rating 8.4 1,270 reviews	Search EVA Air flights
ANA	PriceFrom $1,102	Free Cancellation	Rating 8.4 1,000 reviews	Search ANA flights
Japan Airlines	PriceFrom $1,109	Free Cancellation	Rating 8.3 1,602 reviews	Search Japan Airlines flights

Why use momondo?

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

It is quick and easy to find Illinois to Japan 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 Japan that suits you.

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

Flights from Illinois to Japan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

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

An easier way to manage your Japan trip

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Find better results for your trip to Japan

Popular cities in Japan

Flights to Tokyofrom $381

Flights to Osakafrom $545

Flights to Okinawafrom $588

Flights to Fukuokafrom $580

Flights to Nagoyafrom $589

Flights to Hiroshimafrom $669

Flights to Ishigakifrom $745

Flights to Kagoshimafrom $745

Flights to Nagasakifrom $745

Flights to Hakodatefrom $824

Flights to Miyakojimafrom $2,116

Flights to Toyamafrom $1,094

Cheap flights from Illinois to Japan from $353

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 Japan departing on 2/10. 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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American Airlines flights from Illinois to Japan

Our best American Airlines deals on Illinois to Japan flight tickets

Alaska Airlines flights from Illinois to Japan

Our best Alaska Airlines deals on Illinois to Japan flight tickets

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How to get the cheapest flight ticket from Illinois to Japan

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 Japan?

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

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

What is the cheapest Illinois to Japan flight route?

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

How far in advance should I book a flight to Japan?

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

There are 4 cabin classes available to choose from on Illinois to Japan 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 Illinois to Japan flights?

You could potentially save up to 19% on your flight if you consider stops on a Illinois to Japan flight.

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

Air Canada, American Airlines, and Alaska Airlines are the most popular carriers operating from Illinois to Japan

What airlines fly to Japan?

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

As of November 2025, there are 14 flights per day flying from Illinois to Japan. The most common time of day flights depart is 11:00AM, with 59% of flights taking off in the afternoon.

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

As of November 2025, there are 103 flights per week flying from Illinois to Japan. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Cheap Illinois to Japan flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Japan

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

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

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

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

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

Best airlines flying from Illinois to Japan

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

Why use momondo?

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

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

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

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

An easier way to manage your Japan 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

Popular cities in Japan

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