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.

$423 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

Mon, Sep 7 - Mon, Sep 28

12:10 pm - 3:25 pmSTL Lambert-St Louis-NRT Tokyo Narita

37h 15m1 stop Montreal Pierre Elliott Trudeau Intl

5:50 pm - 9:21 pmNRT Tokyo Narita-STL Lambert-St Louis

41h 31m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$812Air Canada

Mon, Sep 7 - Mon, Sep 28

8:00 am - 2:55 pmSTL Lambert-St Louis-NRT Tokyo Narita

40h 55m2 stops Chicago O'Hare Intl Vancouver Intl

5:50 pm - 9:21 pmNRT Tokyo Narita-STL Lambert-St Louis

41h 31m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$813Air Canada

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

$882Multiple 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 - 2:17 pmHND Tokyo Haneda-STL Lambert-St Louis

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

$887Multiple Airlines

Fri, Feb 5 - Sun, Feb 21

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

$982ANA

Wed, Oct 28 - Wed, Nov 4

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

34h 25m1 stop Toronto Pearson Intl

6:15 pm - 3:26 pmNRT Tokyo Narita-STL Lambert-St Louis

36h 11m2 stops Vancouver Intl Toronto Pearson Intl

$1,003ANA

Sun, Sep 20 - Wed, Sep 30

6:54 pm - 1:05 pmSTL Lambert-St Louis-HND Tokyo Haneda

28h 11m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

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

22h 09m2 stops Los Angeles Salt Lake City

$1,056Delta

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

$1,066American Airlines

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

$1,067American Airlines

Tue, Sep 8 - Tue, Sep 15

9:59 am - 9:05 pmMDW Chicago Midway-NRT Tokyo Narita

21h 06m2 stops Minneapolis St Paul Incheon Intl

9:20 am - 8:48 amNRT Tokyo Narita-MDW Chicago Midway

37h 28m2 stops Incheon Intl Minneapolis St Paul

$1,071Delta

Recent last minute flight deals from Illinois to Tokyo

Sun, Aug 30 - Tue, Sep 15

12:10 pm - 3:25 pmSTL Lambert-St Louis-NRT Tokyo Narita

37h 15m1 stop Montreal Pierre Elliott Trudeau Intl

5:50 pm - 6:41 pmNRT Tokyo Narita-STL Lambert-St Louis

38h 51m1 stop Montreal Pierre Elliott Trudeau Intl

$798Air Canada

Sun, Aug 30 - Tue, Sep 15

12:10 pm - 3:25 pmSTL Lambert-St Louis-NRT Tokyo Narita

37h 15m1 stop Montreal Pierre Elliott Trudeau Intl

5:50 pm - 2:00 pmNRT Tokyo Narita-STL Lambert-St Louis

34h 10m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$812Air Canada

Wed, Aug 26 - Wed, Sep 2

6:00 am - 3:50 pmSTL Lambert-St Louis-HND Tokyo Haneda

19h 50m1 stop Los Angeles

4:30 pm - 11:42 pmHND Tokyo Haneda-STL Lambert-St Louis

21h 12m1 stop Dallas/Fort Worth

$1,050American Airlines

Sun, Aug 30 - Tue, Sep 15

7:00 am - 4:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

19h 15m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

4:05 pm - 11:42 pmHND Tokyo Haneda-STL Lambert-St Louis

21h 37m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$1,056Delta

Wed, Aug 26 - Wed, Sep 2

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

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

6:25 pm - 11:21 pmHND Tokyo Haneda-STL Lambert-St Louis

18h 56m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$1,056Delta

Mon, Aug 31 - Thu, Sep 10

5:45 pm - 9:15 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 30mnonstop

6:10 pm - 8:33 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

16h 23m1 stop Los Angeles

$1,069ANA

Sun, Aug 30 - Tue, Sep 15

5:45 pm - 9:15 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 30mnonstop

5:15 pm - 3:05 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,072ANA

Sun, Aug 30 - Sat, Sep 12

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

$1,078Multiple Airlines

Sat, Aug 29 - Fri, Sep 4

9:20 pm - 7:10 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

31h 50m1 stop Los Angeles

11:30 am - 12:49 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

27h 19m1 stop Houston George Bush Intcntl

$1,080Multiple Airlines

Sun, Aug 30 - Sat, Sep 12

7:00 pm - 4:45 amORD Chicago O'Hare Intl-HND Tokyo Haneda

19h 45m1 stop Los Angeles

7:45 pm - 11:30 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

17h 45m1 stop Los Angeles

$1,100American Airlines

Recent direct flight deals from Illinois to Tokyo

Mon, Sep 28 - Sat, Oct 10

12:00 pm - 3:25 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 25mnonstop

5:15 pm - 3:05 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,069ANA

Wed, Sep 23 - Mon, Oct 12

5:45 pm - 9:15 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 30mnonstop

5:15 pm - 3:05 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,069ANA

Wed, Sep 9 - Wed, Sep 16

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

$1,086United Airlines

Tue, Sep 8 - 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

$1,086United Airlines

Thu, Sep 17 - Sun, Sep 27

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

$1,090Japan Airlines

Thu, Sep 17 - Wed, Sep 30

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

$1,099Japan Airlines

Tue, Sep 15 - Tue, Sep 29

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

$1,148American Airlines

Thu, Sep 10 - Sat, Sep 19

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

$1,148American Airlines

Mon, Oct 5 - Fri, Oct 16

12:00 pm - 3:25 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 25mnonstop

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

12h 00mnonstop

$1,511Multiple Airlines

Thu, Oct 8 - Fri, Oct 23

5:45 pm - 9:15 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 30mnonstop

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

12h 00mnonstop

$1,561Multiple Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$423

Best time to beat the crowds with an average 18% drop in price.

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

Sagamihara

Minakami

Tsukuba

Kawagoe

Numazu

Fuefuki

Everything you need to know for your flight to Tokyo

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Complete your trip

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Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Tokyofrom $17,827

Business Class flights to Tokyofrom $4,491

Premium Economy Class flights to Tokyofrom $1,773

Economy Class flights to Tokyofrom $878

$423 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