$421 Find Cheap Flights from Illinois to Tokyo - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Tokyo departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Tokyo

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Tokyo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Tokyo

Tue, Dec 1 - Mon, Dec 7
Air Canada Logo
7:33 am - 4:40 pm
STL
-
NRT
42h 07m
2 stops
Air Canada Logo
6:45 pm - 9:13 pm
NRT
-
STL
41h 28m
2 stops
$820Air Canada
Sat, Dec 5 - Mon, Dec 14
Air Canada Logo
7:04 pm - 4:30 pm
STL
-
NRT
30h 26m
2 stops
Air Canada Logo
6:45 pm - 2:30 pm
NRT
-
STL
34h 45m
2 stops
$823Air Canada
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
Multiple Airlines Logo
1:40 pm - 8:20 pm
HND
-
STL
20h 40m
2 stops
$972Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
ANA Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
ANA Logo
5:50 pm - 6:41 pm
NRT
-
STL
38h 51m
1 stop
$1,027ANA
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
2:40 pm - 10:30 pm
STL
-
HND
41h 50m
2 stops
Multiple Airlines Logo
6:05 pm - 2:17 pm
HND
-
STL
34h 12m
2 stops
$1,041Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
ANA Logo
8:55 am - 3:40 pm
STL
-
HND
16h 45m
1 stop
ANA Logo
6:05 pm - 8:20 pm
HND
-
STL
16h 15m
1 stop
$1,049ANA
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
5:42 am - 2:20 pm
STL
-
HND
18h 38m
1 stop
American Airlines Logo
5:25 pm - 10:59 pm
HND
-
STL
19h 34m
1 stop
$1,107American Airlines
Tue, Sep 8 - Tue, Sep 29
American Airlines Logo
6:32 am - 3:00 pm
BMI
-
NRT
18h 28m
1 stop
American Airlines Logo
9:45 am - 12:49 pm
NRT
-
BMI
17h 04m
1 stop
$1,108American Airlines
Mon, Nov 16 - Tue, Dec 1
United Airlines Logo
7:30 am - 3:00 pm
STL
-
NRT
16h 30m
1 stop
United Airlines Logo
6:00 pm - 9:13 pm
NRT
-
STL
18h 13m
1 stop
$1,108United Airlines
Wed, Jan 13 - Thu, Jan 21
United Airlines Logo
9:13 am - 3:35 pm
STL
-
NRT
15h 22m
1 stop
United Airlines Logo
5:15 pm - 7:40 pm
NRT
-
STL
17h 25m
1 stop
$1,108United Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$421
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from St. Louis to Tokyo Narita Airport

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

Insights shared by verified travelers who flew the route from Illinois to Tokyo 
Learn how KAYAK collects reviews and tips from users.
MamiFlew with Japan Airlines
ORD
-
NRT
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
ORD
-
HND
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
ORD
-
HND
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.

FAQs for booking flights from Illinois to Tokyo

  • 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.

Everything you need to know for your flight to Tokyo

Cabin class types available on flights to Illinois

Cabin classes available on flights to Tokyo. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Tokyofrom $7,153
Business Class flights to Tokyofrom $4,491
Premium Economy Class flights to Tokyofrom $1,758
Economy Class flights to Tokyofrom $866