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.

$405 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, Feb 1 - Wed, Feb 17

4:05 pm - 4:40 pmSTL Lambert-St Louis-NRT Tokyo Narita

57h 35m2 stops Toronto Pearson Intl Vancouver Intl

6:45 pm - 3:41 pmNRT Tokyo Narita-STL Lambert-St Louis

35h 56m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$918Air Canada

Mon, Feb 15 - Wed, Feb 24

4:05 pm - 4:40 pmSTL Lambert-St Louis-NRT Tokyo Narita

33h 35m2 stops Toronto Pearson Intl Vancouver Intl

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

35h 41m1 stop Toronto Pearson Intl

$921Air Canada

Sun, Jan 17 - Tue, Apr 13

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

33h 25m1 stop Toronto Pearson Intl

5:25 pm - 3:26 pmNRT Tokyo Narita-STL Lambert-St Louis

36h 01m1 stop Toronto Pearson Intl

$1,021ANA

Mon, Jan 18 - Tue, Apr 13

4:05 pm - 4:40 pmSTL Lambert-St Louis-NRT Tokyo Narita

33h 35m2 stops Toronto Pearson Intl Vancouver Intl

5:25 pm - 3:26 pmNRT Tokyo Narita-STL Lambert-St Louis

36h 01m1 stop Toronto Pearson Intl

$1,023ANA

Tue, Nov 3 - Tue, Nov 10

6:40 am - 1:45 pmEVV Evansville Dress Regional-HND Tokyo Haneda

40h 05m2 stops Chicago O'Hare Intl Hong Kong Intl

4:00 pm - 11:59 pmHND Tokyo Haneda-EVV Evansville Dress Regional

46h 59m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,073Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

7:01 am - 1:55 pmEVV Evansville Dress Regional-HND Tokyo Haneda

40h 54m2 stops Chicago O'Hare Intl Hong Kong Intl

4:00 pm - 6:31 pmHND Tokyo Haneda-EVV Evansville Dress Regional

40h 31m2 stops Hong Kong Intl Chicago O'Hare Intl

$1,073Multiple Airlines

Sun, Jan 10 - Thu, Jan 28

6:30 am - 2:35 pmSTL Lambert-St Louis-HND Tokyo Haneda

17h 05m1 stop Minneapolis St Paul

5:20 pm - 11:18 pmHND Tokyo Haneda-STL Lambert-St Louis

20h 58m1 stop Minneapolis St Paul

$1,100Delta

Tue, Jan 12 - Fri, Jan 29

6:30 am - 2:35 pmSTL Lambert-St Louis-HND Tokyo Haneda

17h 05m1 stop Minneapolis St Paul

5:20 pm - 4:54 pmHND Tokyo Haneda-STL Lambert-St Louis

14h 34m1 stop Minneapolis St Paul

$1,100Delta

Mon, Oct 5 - Mon, Oct 12

12:30 am - 7:40 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

29h 10m1 stop Taipei City Taiwan Taoyuan Intl

1:25 pm - 8:45 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,103EVA Air

Mon, Oct 5 - Tue, Oct 13

12:30 am - 12:25 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

2:25 pm - 8:45 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,103EVA Air

Recent last minute flight deals from Illinois to Tokyo

Mon, Sep 28 - Mon, Oct 5

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

13h 20mnonstop

11:30 am - 3:20 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

41h 50m2 stops Houston George Bush Intcntl Fort Lauderdale

$1,090Multiple Airlines

Mon, Sep 28 - Thu, Dec 3

9:04 am - 9:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

22h 11m1 stop Chicago O'Hare Intl

10:25 am - 12:22 pmHND Tokyo Haneda-STL Lambert-St Louis

16h 57m1 stop Chicago O'Hare Intl

$1,104ANA

Mon, Sep 28 - Fri, Dec 4

3:11 pm - 9:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

16h 04m1 stop Chicago O'Hare Intl

10:25 am - 12:22 pmHND Tokyo Haneda-STL Lambert-St Louis

16h 57m1 stop Chicago O'Hare Intl

$1,106ANA

Mon, Sep 28 - Thu, Dec 3

5:10 am - 2:15 pmSTL Lambert-St Louis-NRT Tokyo Narita

19h 05m2 stops Denver Intl Los Angeles

6:00 pm - 6:16 pmNRT Tokyo Narita-STL Lambert-St Louis

15h 16m1 stop Chicago O'Hare Intl

$1,110United Airlines

Mon, Sep 28 - Wed, Dec 2

10:29 am - 4:15 pmSTL Lambert-St Louis-HND Tokyo Haneda

15h 46m1 stop Detroit Metropolitan Wayne County

5:20 pm - 6:13 pmHND Tokyo Haneda-STL Lambert-St Louis

15h 53m1 stop Atlanta Hartsfield-Jackson

$1,110Delta

Sun, Sep 27 - Tue, Dec 15

12:30 am - 12:25 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

8:20 pm - 7:35 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

38h 15m1 stop Taipei City Taiwan Taoyuan Intl

$1,111EVA Air

Sun, Sep 27 - Tue, Mar 2

12:30 am - 7:40 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

29h 10m1 stop Taipei City Taiwan Taoyuan Intl

2:00 pm - 7:35 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

$1,112EVA Air

Mon, Sep 28 - Thu, Dec 3

5:10 am - 2:15 pmSTL Lambert-St Louis-NRT Tokyo Narita

19h 05m2 stops Denver Intl Los Angeles

5:30 pm - 8:57 pmNRT Tokyo Narita-STL Lambert-St Louis

18h 27m2 stops Los Angeles Denver Intl

$1,114United Airlines

Mon, Sep 28 - Thu, Dec 3

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

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

4:25 pm - 11:26 pmHND Tokyo Haneda-STL Lambert-St Louis

22h 01m1 stop Minneapolis St Paul

$1,114Delta

Mon, Sep 28 - Mon, Oct 5

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

13h 20mnonstop

11:30 am - 9:39 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

24h 09m1 stop Houston George Bush Intcntl

$1,123Multiple Airlines

Recent direct flight deals from Illinois to Tokyo

Mon, Nov 9 - Wed, Nov 18

1:05 pm - 5:45 pmORD Chicago O'Hare Intl-HND Tokyo Haneda

13h 40mnonstop

6:20 pm - 3:10 pmHND Tokyo Haneda-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,130ANA

Tue, Oct 6 - Tue, Oct 13

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

$1,151United Airlines

Mon, Oct 5 - Tue, Oct 13

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

$1,171ANA

Mon, Nov 2 - Tue, Nov 10

10:25 am - 2:55 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 30mnonstop

10:45 am - 7:30 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 45mnonstop

$1,199Japan Airlines

Sun, Oct 4 - Mon, Oct 12

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

$1,202United Airlines

Sun, Dec 13 - Tue, Jan 12

10:25 am - 2:55 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 30mnonstop

10:40 am - 7:30 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,208Japan Airlines

Tue, Oct 20 - Wed, Nov 4

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

13h 10mnonstop

10:45 am - 7:30 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 45mnonstop

$1,265American Airlines

Tue, Feb 9 - Thu, Feb 18

10:25 am - 2:50 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 25mnonstop

10:40 am - 7:30 amNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,265American Airlines

Sun, Oct 4 - Tue, Oct 20

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

$1,300Lufthansa

Wed, Jan 6 - Sun, Jan 17

10:40 am - 3:15 pmORD Chicago O'Hare Intl-NRT Tokyo Narita

13h 35mnonstop

6:00 pm - 2:50 pmNRT Tokyo Narita-ORD Chicago O'Hare Intl

11h 50mnonstop

$1,414Multiple Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$405

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

Most popular time to fly with an average 3% increase 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

Minakami

Sagamihara

Tsukuba

Kawagoe

Numazu

Fuefuki

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$405 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

Low season

High season

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?

More options for your flight to Tokyo

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

Cabin class types available on flights to Illinois

Find direct flights for Tokyo

Flights from domestic origins to Tokyo

Choose which airport to fly into in Tokyo

Flights to other popular destinations

Find deals for your return flight