How long is the flight from Kaua'i to Japan?

For as low as $1,013, ANA can have you in Japan from Kaua'i in 21h 02m. The distance between Kaua'i and Japan is about 4006 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 FUS to JP?

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

Can I find deals for flights from Kaua'i to Japan that include hotel bookings?

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

How can I find direct flights from Kaua'i to Japan?

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

Can I find deals for business class flights from Kaua'i to Japan?

Yes. Cheapflights offers flight deals from Kaua'i 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.

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Find flight deals from Kaua'i to Japan

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$661 (Kiwi.com)
One-way from	$394 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$863

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From Kaua'i to Japan

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One-way flight from Kaua'i to Japan

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Highest demand for flights based on searches. 37% potential increase in price ($627 potential increase over avg. RT price).

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Cheapest flight prices on average. 28% potential price decrease ($232 potential savings vs. average RT price).

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Average for round-trip flights in May 2026

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Everything you need to know about your flight from Kaua'i to Japan

What is the cheapest month to book a flight from Kaua'i to Japan?

Currently, April is the cheapest month in which you can book a flight from Kaua'i to Japan (average of $140). Flying from Kaua'i to Japan in May is currently the most expensive (average of $863). 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.

Reviews of airlines servicing Japan

Read reviews from past customers who have flown Japan Airlines,Delta, andHawaiian Airlines from Kaua'i to Japan. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very good

1,825 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Japan Airlines

8.3

Very good

1,825 reviews

Japan Airlines

8.3

Very good

1,825 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Delta

7.9

Good

8,452 reviews

Japan Airlines

8.3

Very good

1,825 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Hawaiian Airlines

7.8

Good

2,836 reviews

Japan Airlines

8.3

Very good

1,825 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Related info for your journey

How long is the flight from Kaua'i to Japan?
For as low as $1,013, ANA can have you in Japan from Kaua'i in 21h 02m. The distance between Kaua'i and Japan is about 4006 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Kaua'i to Japan that include hotel bookings?
Yes. In addition to deals on Kaua'i to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to Japan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Japan.
Can I find deals for business class flights from Kaua'i to Japan?
Yes. Cheapflights offers flight deals from Kaua'i 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 Kaua'i to Japan?
Currently, April is the cheapest month in which you can book a flight from Kaua'i to Japan (average of $140). Flying from Kaua'i to Japan in May is currently the most expensive (average of $863). 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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Top airline flying from Kaua'i to Japan

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$774	Average$835	FlexibilityNo cancel fee	On-timeN/A

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Cheap flights from Kaua'i to Japan

Find cheap flights from Kaua'i to Japan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kaua'i to Japan

Keep the following information in mind while searching for Kaua'i to Japan flight deals. Data was last updated May 20, 2026.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Insights

Everything you need to know about your flight from Kaua'i to Japan

What is the cheapest month to book a flight from Kaua'i 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 May 20, 2026.

Read reviews from past customers who have flown Japan Airlines,Delta, andHawaiian Airlines from Kaua'i to Japan. 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 Kaua'i to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Kaua'i to Japan?

Can I find deals for flights from Kaua'i to Japan that include hotel bookings?

How can I find direct flights from Kaua'i to Japan?

Can I find deals for business class flights from Kaua'i to Japan?

What is the cheapest month to book a flight from Kaua'i to Japan?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kaua'i to Japan

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Complete your trip

Complete your trip to Japan by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kaua'i to Japan by cabin class

Find flights from Kaua'i to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kaua'i and Japan flights

Browse other Kaua'i and Japan flight options. Last updated on May 20, 2026.

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