Kaua'i

$161+ Cheap flights from Phoenix to Kaua'i

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LIH
Nov 1 — Nov 81
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Kaua'i with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Phoenix to Kaua'i

Keep the following information in mind while searching for Phoenix to Kaua'i flight deals. Data was last updated October 2, 2025.

Round-trip from

$389
(Delta)

One-way from

$161
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$549
From Phoenix to Kaua'i
One-way flight from Phoenix to Kaua'i
Highest demand for flights based on searches. 16% potential increase in price ($109 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Phoenix to Kaua'i

Cheapest flights from Phoenix to Kaua'i
Explore the most affordable flight options available from Phoenix to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amPHX - LIH
2 stops13h 53mDelta
Fri 11/710:40 pmLIH - PHX
1 stop9h 25mDelta
Deal found 10/1$389
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:31 pmPHX - LIH
1 stop24h 02mMultiple Airlines
Wed 11/512:28 pmLIH - PHX
1 stop23h 50mMultiple Airlines
Deal found 10/1$392
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:01 amPHX - LIH
1 stop11h 04mDelta
Fri 11/79:30 pmLIH - PHX
1 stop9h 55mDelta
Deal found 10/1$393
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:01 amPHX - LIH
1 stop11h 04mDelta
Thu 11/1310:55 pmLIH - PHX
1 stop7h 55mDelta
Deal found 10/1$395
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:38 amPHX - LIH
2 stops26h 05mAlaska Airlines
Tue 11/49:54 amLIH - PHX
2 stops20h 27mAlaska Airlines
Deal found 10/1$396
This Alaska Airlines deal was found by Cheapflights users on 10/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:56 pmPHX - LIH
2 stops17h 57mAlaska Airlines
Wed 12/102:53 pmLIH - PHX
1 stop21h 20mAlaska Airlines
Deal found 10/2$397
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:55 amPHX - LIH
Nonstop7h 04mAmerican Airlines
Mon 11/2410:39 pmLIH - PHX
Nonstop6h 01mAmerican Airlines
Deal found 9/30$400
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:15 amPHX - LIH
1 stop10h 45mSouthwest
Fri 11/71:55 pmLIH - PHX
1 stop13h 20mSouthwest
Deal found 10/1$403

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Kaua'i 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 October 2, 2025.
Use the filters below to find and compare flights from Phoenix to Kaua'i that are best for you.

Fly from

Phoenix

Fly to

Kaua'i

Route

Depart

Return

Price

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Thu 10/30

6:00 am-4:53 pm

2 stops13h 53m

Lihue

Fri 11/7

10:40 pm-11:05 am

1 stop9h 25m

$389

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Sun 12/7

1:13 pm-6:33 pm

1 stop8h 20m

Lihue

Fri 12/12

9:50 pm-11:07 am

1 stop10h 17m

$393

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Thu 11/27

6:02 am-8:30 pm

2 stops17h 28m

Lihue

Wed 12/3

6:54 pm-7:35 pm

1 stop21h 41m

$394

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 10/29

10:38 am-9:43 am

2 stops26h 05m

Lihue

Tue 11/4

9:54 am-9:21 am

2 stops20h 27m

$396

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Tue 12/2

7:56 pm-10:53 am

2 stops17h 57m

Lihue

Wed 12/10

2:53 pm-3:13 pm

1 stop21h 20m

$397

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 10/29

6:00 am-4:53 pm

2 stops13h 53m

Lihue

Fri 11/7

10:40 pm-11:05 am

1 stop9h 25m

$398

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Tue 12/2

7:56 pm-1:53 pm

1 stop20h 57m

Lihue

Tue 12/9

7:59 pm-3:13 pm

2 stops16h 14m

$399

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Thu 11/13

8:15 am-4:15 pm

1 stop11h 00m

Lihue

Tue 11/18

8:10 am-10:05 pm

2 stops10h 55m

$400

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Thu 12/4

6:02 am-1:53 pm

1 stop10h 51m

$161

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 12/3

10:22 am-1:53 pm

1 stop30h 31m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 17 results
1
2

Best time to book a flight from Phoenix to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Phoenix 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 Phoenix to Kaua'i

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 $440). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $689). 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?

Find hourly flight availability from Phoenix to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

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

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated October 2, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
8.0
Very good

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Kaua'i. 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 Phoenix to Kaua'i?

    Airlines like Delta and Alaska Airlines fly from Phoenix to Kaua'i in about 13h 53m. The time it takes to get you to your destination can typically vary by up to 3h 35m. Phoenix and Kaua'i are separated by a distance of 2974 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Looking at all options, your cheapest flight can be booked for $219. While the most popular route (Phoenix Sky Harbor Intl - Lihue) can be booked for $329 on average, our data indicates $449 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 $440). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $689). 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

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.

Top 6 airlines flying from Phoenix to Kaua'i

Discover the top 6 airlines that operate flights from Phoenix to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$523FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$317Average$477FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$343Average$543FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$365Average$599FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$625FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$372Average$656FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.