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Kaua'i

$143+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LIH
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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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 November 21, 2025.

This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/28:00 amPHX - LIH
1 stop15h 10mDelta
Wed 12/109:50 pmLIH - PHX
1 stop10h 17mDelta
Deal found 11/19$350
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/27:00 amPHX - LIH
2 stops16h 10mDelta
Tue 12/169:50 pmLIH - PHX
1 stop12h 54mDelta
Deal found 11/19$355
This Delta deal was found by Cheapflights users on 11/20. 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.
Mon 12/812:12 pmPHX - LIH
1 stop10h 58mDelta
Sun 12/149:50 pmLIH - PHX
1 stop18h 15mDelta
Deal found 11/20$368
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/210:45 amPHX - LIH
1 stop10h 48mDelta
Sat 12/139:50 pmLIH - PHX
1 stop10h 17mDelta
Deal found 11/20$370
This Southwest deal was found by Cheapflights users on 11/19. 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.
Thu 11/276:20 amPHX - LIH
2 stops12h 00mSouthwest
Wed 12/243:45 pmLIH - PHX
1 stop11h 20mSouthwest
Deal found 11/19$374
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 11/277:10 amPHX - LIH
1 stop9h 08mAmerican Airlines
Wed 12/249:45 pmLIH - PHX
Nonstop6h 00mAmerican Airlines
Deal found 11/19$386
This Delta deal was found by Cheapflights users on 11/19. 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 11/278:00 amPHX - LIH
1 stop15h 04mDelta
Wed 12/2410:43 pmLIH - PHX
1 stop8h 08mDelta
Deal found 11/19$393

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 November 21, 2025.

Round-trip from

$276
(Southwest)

One-way from

$143
(Delta)

Popular in

June

Cheapest in

January

Average price

$492
From Phoenix to Kaua'i
Search Deals
One-way flight from Phoenix to Kaua'i
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 21, 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

Sun 1/11

8:50 am-2:20 pm

1 stop8h 30m

Lihue

Mon 1/19

1:55 pm-6:10 am

1 stop13h 15m

$276

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 1/28

10:23 am-6:31 pm

1 stop11h 08m

Lihue

Wed 2/4

10:45 pm-3:45 pm

1 stop14h 00m

$283

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Thu 2/19

12:03 pm-7:55 pm

1 stop10h 52m

Lihue

Thu 2/26

10:45 pm-1:48 pm

1 stop12h 03m

$285

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Fri 1/9

6:35 pm-6:21 pm

2 stops26h 46m

Lihue

Thu 1/15

9:31 pm-3:45 pm

2 stops15h 14m

$291

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Mon 1/12

12:05 pm-7:55 pm

1 stop10h 50m

Lihue

Tue 1/20

10:45 pm-11:08 am

1 stop9h 23m

$304

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 1/7

6:31 pm-6:21 pm

2 stops26h 50m

Lihue

Sun 1/18

10:45 pm-1:50 pm

1 stop12h 05m

$306

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Sun 1/11

6:20 am-6:21 pm

2 stops15h 01m

Lihue

Tue 1/20

9:31 pm-12:41 pm

1 stop12h 10m

$308

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Mon 1/12

6:20 am-6:21 pm

2 stops15h 01m

Lihue

Wed 1/21

9:31 pm-9:43 am

1 stop9h 12m

$308

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Sun 1/11

6:20 am-6:21 pm

2 stops15h 01m

Lihue

Mon 1/19

10:45 pm-1:50 pm

1 stop12h 05m

$310

PhoenixLihue

PHX - LIH

PHXLIH

Phoenix Sky Harbor Intl

Wed 1/7

6:31 pm-6:21 pm

2 stops26h 50m

Lihue

Wed 1/14

9:31 pm-3:45 pm

2 stops15h 14m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 21 results
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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, May is the cheapest month in which you can book a flight from Phoenix to Kaua'i (average of $317). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $458). 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 November 21, 2025.

One of the essential ways to save on airfare from Phoenix to Kaua'i is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

Weekly flight availability from Phoenix to Kaua'i

Explore weekly flight availability from Phoenix to Kaua'i. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2025.

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

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 November 21, 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.
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,326 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,251 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,811 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,326 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 Southwest and Delta fly from Phoenix to Kaua'i in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 2h 38m. 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 $283 on average, our data indicates $417 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, May is the cheapest month in which you can book a flight from Phoenix to Kaua'i (average of $317). Flying from Phoenix to Kaua'i in June is currently the most expensive (average of $458). 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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Alternative routes for Phoenix to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$521FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$317Average$496FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$358Average$591FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$373Average$613FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$374Average$560FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$427Average$642FlexibilityNo cancel feeOn-time69%

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