How does KAYAK find such low prices on flights from Illinois to Tokyo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Tokyo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Tokyo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tokyo from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Tokyo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tokyo with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Tokyo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tokyo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$395 CHEAP FLIGHTS from Illinois to Tokyo

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Cheap Flights from Illinois to Tokyo

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Tokyo

Tue, Dec 1 - Wed, Dec 9

7:04 pm - 4:30 pmSTL Lambert-St Louis-NRT Tokyo Narita

30h 26m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:15 pm - 9:13 pmNRT Tokyo Narita-STL Lambert-St Louis

41h 58m2 stops Vancouver Intl Chicago O'Hare Intl

$819Air Canada

Tue, Nov 24 - Tue, Dec 8

6:50 pm - 4:30 pmSTL Lambert-St Louis-NRT Tokyo Narita

30h 40m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:45 pm - 12:06 pmNRT Tokyo Narita-STL Lambert-St Louis

32h 21m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$824Air Canada

Sun, Feb 7 - Fri, Feb 19

4:05 pm - 4:30 pmSTL Lambert-St Louis-NRT Tokyo Narita

33h 25m1 stop Toronto Pearson Intl

6:45 pm - 3:26 pmNRT Tokyo Narita-STL Lambert-St Louis

35h 41m1 stop Toronto Pearson Intl

$898ANA

Mon, Sep 7 - Mon, Sep 28

2:40 pm - 10:30 pmSTL Lambert-St Louis-HND Tokyo Haneda

41h 50m2 stops Toronto Pearson Intl Osaka Kansai Intl

6:05 pm - 2:17 pmHND Tokyo Haneda-STL Lambert-St Louis

34h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$954Multiple Airlines

Mon, Sep 7 - Mon, Sep 28

2:40 pm - 10:30 pmSTL Lambert-St Louis-HND Tokyo Haneda

41h 50m2 stops Toronto Pearson Intl Osaka Kansai Intl

6:05 pm - 8:20 pmHND Tokyo Haneda-STL Lambert-St Louis

16h 15m1 stop Toronto Pearson Intl

$967Multiple Airlines

Thu, Feb 4 - Sun, Feb 7

6:30 am - 4:30 pmSTL Lambert-St Louis-NRT Tokyo Narita

43h 00m1 stop Montreal Pierre Elliott Trudeau Intl

6:45 pm - 3:26 pmNRT Tokyo Narita-STL Lambert-St Louis

35h 41m1 stop Toronto Pearson Intl

$979ANA

Wed, Sep 16 - Wed, Sep 23

7:05 am - 4:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

19h 10m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

4:35 pm - 12:44 amHND Tokyo Haneda-STL Lambert-St Louis

22h 09m2 stops Los Angeles Los Angeles Salt Lake City

$1,055Delta

Tue, Sep 15 - Tue, Sep 22

6:15 am - 2:20 pmSTL Lambert-St Louis-HND Tokyo Haneda

18h 05m2 stops Minneapolis St Paul Seattle/Tacoma Intl

4:20 pm - 11:16 pmHND Tokyo Haneda-STL Lambert-St Louis

20h 56m2 stops Seattle/Tacoma Intl Minneapolis St Paul

$1,055Delta

Tue, Sep 8 - Tue, Sep 15

6:32 am - 3:00 pmBMI Bloomington-Normal-NRT Tokyo Narita

18h 28m1 stop Dallas/Fort Worth

6:30 pm - 10:08 pmNRT Tokyo Narita-BMI Bloomington-Normal

17h 38m1 stop Dallas/Fort Worth

$1,071American Airlines

Tue, Sep 8 - Tue, Sep 15

5:00 am - 1:25 pmBMI Bloomington-Normal-NRT Tokyo Narita

18h 25m1 stop Chicago O'Hare Intl

9:45 am - 12:03 amNRT Tokyo Narita-BMI Bloomington-Normal

28h 18m1 stop Chicago O'Hare Intl

$1,074American Airlines

Recent last minute flight deals from Illinois to Tokyo

Wed, Aug 19 - Wed, Aug 26

5:42 am - 2:20 pmSTL Lambert-St Louis-HND Tokyo Haneda

18h 38m1 stop Dallas/Fort Worth

7:45 pm - 10:59 pmHND Tokyo Haneda-STL Lambert-St Louis

17h 14m1 stop Los Angeles Los Angeles

$1,050American Airlines

Wed, Aug 19 - Wed, Aug 26

8:36 am - 3:00 pmSTL Lambert-St Louis-NRT Tokyo Narita

16h 24m1 stop Dallas/Fort Worth

6:30 pm - 11:42 pmNRT Tokyo Narita-STL Lambert-St Louis

19h 12m1 stop Dallas/Fort Worth

$1,051American Airlines

Wed, Aug 19 - Wed, Aug 26

6:00 am - 4:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

20h 15m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

4:35 pm - 12:41 amHND Tokyo Haneda-STL Lambert-St Louis

22h 06m2 stops Los Angeles Los Angeles Salt Lake City

$1,055Delta

Wed, Aug 19 - Wed, Aug 26

7:00 am - 2:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

17h 15m1 stop Atlanta Hartsfield-Jackson

4:20 pm - 11:26 pmHND Tokyo Haneda-STL Lambert-St Louis

21h 06m2 stops Seattle/Tacoma Intl Minneapolis St Paul

$1,055Delta

Thu, Aug 20 - Wed, Sep 9

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

11:30 am - 2:17 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

16h 47m1 stop Houston George Bush Intcntl

$1,101Multiple Airlines

Sun, Aug 23 - Tue, Sep 8

12:15 pm - 3:25 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 10mnonstop

6:10 pm - 8:36 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

16h 26m1 stop Los Angeles Los Angeles

$1,106ANA

Sun, Aug 23 - Mon, Sep 7

8:40 am - 3:00 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

16h 20m1 stop San Francisco

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,106ANA

Thu, Aug 20 - Wed, Sep 9

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,111United Airlines

Thu, Aug 20 - Wed, Sep 9

12:15 pm - 3:25 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 10mnonstop

10:40 am - 8:40 amHND Tokyo Haneda-ORD Chicago O'Hare Intl

12h 00mnonstop

$1,114United Airlines

Thu, Aug 20 - Fri, Aug 28

8:45 pm - 1:15 pmMDW Chicago Midway-NRT Tokyo Narita

26h 30m2 stops Los Angeles Los Angeles Taipei City Taiwan Taoyuan Intl

2:30 pm - 5:45 amNRT Tokyo Narita-MDW Chicago Midway

29h 15m2 stops Taipei City Taiwan Taoyuan Intl Ontario

$1,308Multiple Airlines

Recent direct flight deals from Illinois to Tokyo

Tue, Sep 15 - Tue, Sep 22

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,102ANA

Mon, Aug 31 - Thu, Sep 3

12:15 pm - 3:25 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 10mnonstop

10:40 am - 8:40 amHND Tokyo Haneda-ORD Chicago O'Hare Intl

12h 00mnonstop

$1,109ANA

Fri, Sep 4 - Fri, Sep 11

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,111United Airlines

Fri, Sep 18 - Wed, Sep 30

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,111United Airlines

Sat, Sep 12 - Sat, Sep 26

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,239Lufthansa

Mon, Sep 7 - Wed, Sep 23

10:15 am - 1:25 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 10mnonstop

9:45 am - 7:20 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 35mnonstop

$1,339Japan Airlines

Tue, Oct 20 - Wed, Oct 28

10:15 am - 1:25 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 10mnonstop

5:00 pm - 2:35 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 35mnonstop

$1,351Japan Airlines

Fri, Sep 11 - Fri, Sep 18

11:50 am - 3:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 2:55 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 55mnonstop

$1,462Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

10:20 am - 2:40 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 20mnonstop

5:00 pm - 1:35 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 35mnonstop

$1,464American Airlines

Fri, Sep 11 - Fri, Sep 18

10:15 am - 1:25 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 10mnonstop

9:45 am - 7:20 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 35mnonstop

$1,464American Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$395

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from St. Louis to Tokyo Narita Airport

MamiFlew with Japan Airlines-May 2026

I did not find particularly good stuff in Entertainment (movies and TV), so you may want to bring what you like.

Verified travelerFlew with ANA-Jan 2025

Consider light carry-ons to give yourself stretch room for economy and quick onboarding and off boarding especially with connecting flights.

RogerFlew with ANA-Feb 2024

The extra leg room and been able to recline better is worth the extra money. I bidding on the premium and offered the least they would accept and got it.

How does KAYAK find such low prices on flights from Illinois to Tokyo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Tokyo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Tokyo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Tokyo from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Tokyo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Tokyo with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Tokyo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Tokyo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Yamanouchi

Izu

Kusatsu

Odawara

Yamanashi

Minakami

Sagamihara

Tsukuba

Kawagoe

Numazu

Fuefuki

Everything you need to know for your flight to Tokyo

Cabin class

Complete your trip

Direct Flights

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Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Tokyofrom $7,153

Business Class flights to Tokyofrom $4,491

Premium Economy Class flights to Tokyofrom $1,760

Economy Class flights to Tokyofrom $866

$395 Find Cheap Flights from Illinois to Tokyo - Compare and Save

Cheap Flights from Illinois to Tokyo

Recent round-trip flight deals from Illinois to Tokyo

Recent one-way flight deals from Illinois to Tokyo

Recent last minute flight deals from Illinois to Tokyo

Recent direct flight deals from Illinois to Tokyo

Good to know

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Cheapest flight

Flights from Illinois to Tokyo: the best tips from KAYAK users

FAQs for booking flights from Illinois to Tokyo

Traveling to a place near Tokyo?

Everything you need to know for your flight to Tokyo

Cabin class types available on flights to Illinois

Complete your trip to Tokyo with a hotel stay or car rental

Find direct flights for Tokyo

Flights to other popular destinations

Flights from domestic origins to Tokyo

Choose which airport to fly into in Tokyo

Find deals for your return flight