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 $1,624). 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.

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.

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).

What is the cheapest time of day to fly from DEC to JP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Decatur, Illinois to Japan as you normally would.

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.

$1,121+ Flights from Decatur, IL to Japan

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Cheap flight deals from Decatur to Japan

Round-trip from	$1,038 (Surpr!ce)

From Decatur Arpt to Japan

Search Deals

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 julio 3, 2025.

dom. 8/179:45 amDEC - HND

1 stop21h 30mUnited Airlines

dom. 8/245:15 pmHND - DEC

1 stop14h 44mUnited Airlines

Deal found 7/3

$1,038

lun. 10/209:38 amDEC - NRT

1 stop15h 22mUnited Airlines

mar. 11/45:05 pmNRT - DEC

1 stop15h 47mUnited Airlines

Deal found 7/1

$1,175

Best flights from Decatur to Japan
Discover carefully curated flight deals from Decatur to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

dom. 8/179:45 amDEC - HND

1 stop21h 30mUnited Airlines

dom. 8/245:15 pmHND - DEC

1 stop14h 44mUnited Airlines

Deal found 7/3

$1,038

lun. 10/209:38 amDEC - NRT

1 stop15h 22mUnited Airlines

mar. 11/45:05 pmNRT - DEC

1 stop15h 47mUnited Airlines

Deal found 7/1

$1,175

Last-minute flights from Decatur to Japan
Discover last-minute flight deals from Decatur to Japan. Data last updated julio 3, 2025 and is based on user searches.

vie. 8/156:55 pmDEC - NRT

2 stops29h 05mUnited Airlines

vie. 8/225:00 pmNRT - DEC

1 stop14h 59mUnited Airlines

Deal found 7/1

$1,292

dom. 8/179:45 amDEC - HND

1 stop21h 30mUnited Airlines

dom. 8/245:15 pmHND - DEC

1 stop14h 44mUnited Airlines

Deal found 7/3

$1,038

Cheapflights Fare Finder

Use the filters below to find and compare flights from Decatur to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturTokyo

DEC - HND

DECHND

Decatur Arpt

dom. 8/17

9:45 am-9:15 pm

1 stop21h 30m

Tokyo Haneda

dom. 8/24

5:15 pm-5:59 pm

1 stop14h 44m

$1,038

DecaturTokyo

DEC - NRT

DECNRT

Decatur Arpt

lun. 10/20

9:38 am-3:00 pm

1 stop15h 22m

Tokyo Narita

mar. 11/4

5:05 pm-5:52 pm

1 stop15h 47m

$1,175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Japan

See what other customers who have flown with United Airlines from Decatur to Japan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

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

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

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

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 $1,624). 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.

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$1,038+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Decatur to Japan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 julio 3, 2025.

Round-trip from

Find flight deals from Decatur to Japan

Cheapest flights from Decatur to JapanExplore 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 julio 3, 2025.

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 julio 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Decatur to Japan that are best for you.

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.

Cheapflights Insights

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

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 julio 3, 2025.

See what other customers who have flown with United Airlines from Decatur to Japan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I find direct flights from Decatur to Japan?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Decatur to Japan

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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 julio 3, 2025.