How long is the flight from Kaua'i to The Big Island?

Departing from Kaua'i to The Big Island will take you 54m. Kaua'i and The Big Island are separated by a distance of 263 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Kaua'i to The Big Island one-way?

$44 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $85 and $85, respectively.

Weekly flight availability from Kaua'i to The Big Island

The most flights from zzFUS to zzFUI are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in The Big Island ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit The Big Island when rainfall is around 1.6 in.

If weather is an important factor for your trip to The Big Island, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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

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

How can I find direct flights from Kaua'i to The Big Island?

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

Can I find deals for business class flights from Kaua'i to The Big Island?

Yes. Cheapflights offers flight deals from Kaua'i to The Big Island 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 The Big Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$149 (Southwest)
One-way from	$75 (Southwest)
Popular in	June
Cheapest in	March
Average price	$190
Good round-trip deal	$240 or less
Good one-way deal	$95 or less

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From Kaua'i to The Big Island

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One-way flight from Kaua'i to The Big Island

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Highest demand for flights based on searches. 35% potential increase in price ($121 potential increase over avg. RT price).

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Cheapest flight prices on average. 19% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Price to beat on a round-trip flight from Kaua'i to The Big Island.

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Price to beat on a one-way flight from Kaua'i to The Big Island.

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Everything you need to know about your flight from Kaua'i to The Big Island

Prices

Airlines

What is the cheapest month to book a flight from Kaua'i to The Big Island?

Currently, November is the cheapest month in which you can book a flight from Kaua'i to The Big Island (average of $150). Flying from Kaua'i to The Big Island in August is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from FUS to FUI?

When flying from Kaua'i to The Big Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing The Big Island

Peruse reviews from past customers who have flown with Southwest and Alaska Airlines from Kaua'i to The Big Island to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,194 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Southwest

8.0

Very good

4,194 reviews

Southwest

8.0

Very good

4,194 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Alaska Airlines

7.9

Good

12,899 reviews

Southwest

8.0

Very good

4,194 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Related info for your journey

How long is the flight from Kaua'i to The Big Island?
Departing from Kaua'i to The Big Island will take you 54m. Kaua'i and The Big Island are separated by a distance of 263 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Kaua'i to The Big Island one-way?
$44 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $85 and $85, respectively.
Can I find deals for flights from Kaua'i to The Big Island that include hotel bookings?
Yes. In addition to deals on Kaua'i to The Big Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to The Big Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to The Big Island.
Can I find deals for business class flights from Kaua'i to The Big Island?
Yes. Cheapflights offers flight deals from Kaua'i to The Big Island 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 The Big Island?
Currently, November is the cheapest month in which you can book a flight from Kaua'i to The Big Island (average of $150). Flying from Kaua'i to The Big Island in August is currently the most expensive (average of $290). 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 2 airlines flying from Kaua'i to The Big Island

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$108	Average$175	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$130	Average$190	FlexibilityNo cancel fee	On-time75%

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Cheap flights from Kaua'i to The Big Island

Find cheap flights from Kaua'i to The Big Island 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 The Big Island

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Round-trip from

One-way from

Popular in

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Cheapflights Insights

What is the cheapest month to book a flight from Kaua'i to The Big Island?

What is the cheapest time of day to fly from FUS to FUI?

When flying from Kaua'i to The Big Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Kaua'i to The Big Island

The most flights from zzFUS to zzFUI are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing The Big Island

Peruse reviews from past customers who have flown with Southwest and Alaska Airlines from Kaua'i to The Big Island to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Kaua'i to The Big Island?

What are the cheapest airlines to fly from Kaua'i to The Big Island one-way?

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

How can I find direct flights from Kaua'i to The Big Island?

Can I find deals for business class flights from Kaua'i to The Big Island?

What is the cheapest month to book a flight from Kaua'i to The Big Island?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kaua'i to The Big Island

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

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Kaua'i and The Big Island flights

Browse other Kaua'i and The Big Island flight options. Last updated on September 10, 2026.

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