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$963+ Cheap flights from Decatur, IL (DEC) to Japan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — FUK
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Decatur to Japan

Keep the following information in mind while searching for Decatur to Japan flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$963
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Decatur Arpt-Tokyo (TYO) flights.
Search Deals
From Decatur Arpt to Japan
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Find flight deals from Decatur to Japan

Cheapest flights from Decatur to Japan
Explore the most affordable flight options available from Decatur to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:42 amDEC - HND
1 stop16h 13mUnited Airlines
Tue 11/49:15 pmHND - DEC
2 stops28h 36mUnited Airlines
Deal found 4/30$963

Cheapflights Fare Finder

Customize your flight search to find flights from Decatur to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Decatur to Japan that are best for you.

Fly from

Decatur

Fly to

Japan

Route

Depart

Return

Price

DecaturTokyo

DEC - HND

DECHND

Decatur Arpt

Mon 10/20

9:42 am-3:55 pm

1 stop16h 13m

Tokyo Haneda

Tue 11/4

9:15 pm-10:51 am

2 stops28h 36m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Decatur to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Decatur with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Decatur to Japan

Rainfall in Japan by month

Plan your trip to Japan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

Plan your trip to Japan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Japan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated May 1, 2025.
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Decatur to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Decatur to Japan?

    If you book a flight to Japan from Decatur, you will be flying from Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur.

  • Can I find deals for flights from Decatur to Japan that include hotel bookings?

    Yes. In addition to deals on Decatur to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Decatur to Japan.

  • Can I find deals for business class flights from Decatur to Japan?

    Yes. Cheapflights offers flight deals from Decatur to Japan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Decatur, Illinois to Japan?

    Currently, February is the cheapest month in which you can book a flight from Decatur, Illinois to Japan (average of $871). Flying from Decatur, Illinois to Japan in December is currently the most expensive (average of $1,656). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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