What are the cheapest airlines to fly from Phoenix to Kaua'i one-way?

The cheapest airlines for a one-way flight from Phoenix to Kaua'i are Delta ($149), Southwest ($186), and United Airlines ($187).

Weekly flight availability from Phoenix to Kaua'i

The most flights from PH1 to zzFUS are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July 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 69.8 F).

What are the cheapest flights from Phoenix to Kaua'i?

Looking at all options, your cheapest flight can be booked for $232. While the most popular route (Phoenix Sky Harbor Intl - Lihue) can be booked for $400 on average, our data indicates $430 when flying from Phoenix to Kaua'i.

What are the most popular airlines that fly from Phoenix to Kaua'i?

Before booking your flight from Phoenix to Kaua'i check out the most popular airlines for this route: American Airlines, United Airlines or Alaska Airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Phoenix to Kaua'i 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 Phoenix to Kaua'i

Popular in	June
Cheapest in	January
Average price	$560

Highest demand for flights based on searches. 7% potential increase in price ($47 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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

Prices

Airlines

How far ahead should I book a flight from Phoenix to Kaua'i?

To ensure you get the cheapest price possible for a flight from Phoenix to Kaua'i, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Phoenix to Kaua'i (average of $446). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $646). 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 PHX to FUS?

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

Reviews of airlines servicing Kaua'i

See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Phoenix to Kaua'i have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,196 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

4,196 reviews

Southwest

8.0

Very good

4,196 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

12,956 reviews

Southwest

8.0

Very good

4,196 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

Delta

7.8

Good

8,594 reviews

Southwest

8.0

Very good

4,196 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

United Airlines

7.4

Good

10,230 reviews

Southwest

8.0

Very good

4,196 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

American Airlines

7.0

Good

12,076 reviews

Southwest

8.0

Very good

4,196 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

What are the cheapest airlines to fly from Phoenix to Kaua'i one-way?
The cheapest airlines for a one-way flight from Phoenix to Kaua'i are Delta ($149), Southwest ($186), and United Airlines ($187).
What are the cheapest flights from Phoenix to Kaua'i?
Looking at all options, your cheapest flight can be booked for $232. While the most popular route (Phoenix Sky Harbor Intl - Lihue) can be booked for $400 on average, our data indicates $430 when flying from Phoenix to Kaua'i.
Can I find deals for flights from Phoenix to Kaua'i that include hotel bookings?
Yes. In addition to deals on Phoenix to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Phoenix to Kaua'i?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Kaua'i.
Can I find deals for business class flights from Phoenix to Kaua'i?
Yes. Cheapflights offers flight deals from Phoenix to Kaua'i 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 Phoenix to Kaua'i?
Currently, January is the cheapest month in which you can book a flight from Phoenix to Kaua'i (average of $446). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $646). 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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Top 6 airlines flying from Phoenix to Kaua'i

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$270	Average$504	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$354	Average$603	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$357	Average$681	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$377	Average$580	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$379	Average$565	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$404	Average$543	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Phoenix to Kaua'i

Find cheap flights from Phoenix to Kaua'i with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Phoenix to Kaua'i

Popular in

Cheapest in

Average price

Cheapflights Insights

How far ahead should I book a flight from Phoenix to Kaua'i?

To ensure you get the cheapest price possible for a flight from Phoenix to Kaua'i, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

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

Weekly flight availability from Phoenix to Kaua'i

The most flights from PH1 to zzFUS are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Kaua'i

See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Phoenix to Kaua'i have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from Phoenix to Kaua'i one-way?

What are the cheapest flights from Phoenix to Kaua'i?

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

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

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

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

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 Phoenix to Kaua'i

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

Complete your trip

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

Search flights from Phoenix to Kaua'i by cabin class

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

Phoenix and Kaua'i flights

Browse other Phoenix and Kaua'i flight options. Last updated on September 23, 2026.

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Top 6 airlines flying from Phoenix to Kaua'i

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