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Kaua'i

$315+ Cheap flights from Philadelphia (PHL) 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIH
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Philadelphia to Kaua'i

Keep the following information in mind while searching for Philadelphia to Kaua'i flight deals. Data was last updated August 21, 2025.

Round-trip from

$526
(Southwest)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$883
From Philadelphia to Kaua'i
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One-way flight from Philadelphia to Kaua'i
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Highest demand for flights based on searches. 16% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Philadelphia to Kaua'i

Cheapest flights from Philadelphia to Kaua'i
Explore the most affordable flight options available from Philadelphia to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 10/195:50 pmPHL - LIH
1 stop24h 07mMultiple Airlines
Wed 10/291:28 pmLIH - PHL
2 stops34h 47mMultiple Airlines
Deal found 8/21$581
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:37 pmPHL - LIH
1 stop24h 19mMultiple Airlines
Fri 9/191:11 pmLIH - PHL
2 stops25h 40mMultiple Airlines
Deal found 8/20$589
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:54 pmPHL - LIH
1 stop32h 31mAlaska Airlines
Wed 12/1011:25 pmLIH - PHL
1 stop25h 21mAlaska Airlines
Deal found 8/20$603
This Delta deal was found by Cheapflights users on 8/20. 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.
Wed 10/15:25 amPHL - LIH
2 stops17h 56mDelta
Tue 10/79:40 pmLIH - PHL
2 stops21h 12mDelta
Deal found 8/20$606
This Delta deal was found by Cheapflights users on 8/21. 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 10/296:50 amPHL - LIH
2 stops18h 15mDelta
Mon 11/310:40 pmLIH - PHL
2 stops19h 25mDelta
Deal found 8/21$614
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:02 amPHL - LIH
1 stop20h 21mAlaska Airlines
Mon 11/311:25 pmLIH - PHL
1 stop25h 17mAlaska Airlines
Deal found 8/19$625
This American Airlines deal was found by Cheapflights users on 8/21. 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 12/167:05 amPHL - LIH
1 stop13h 09mAmerican Airlines
Tue 1/610:30 pmLIH - PHL
1 stop12h 43mAmerican Airlines
Deal found 8/21$647
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 10/317:30 amPHL - LIH
2 stops17h 35mDelta
Mon 11/310:40 pmLIH - PHL
2 stops13h 58mDelta
Deal found 8/21$649
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:00 amPHL - LIH
1 stop13h 36mUnited Airlines
Mon 9/81:13 pmLIH - PHL
2 stops14h 20mUnited Airlines
Deal found 8/20$652

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 August 21, 2025.
Use the filters below to find and compare flights from Philadelphia to Kaua'i that are best for you.

Fly from

Philadelphia

Fly to

Kaua'i

Route

Depart

Return

Price

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sun 10/19

5:50 pm-11:57 am

1 stop24h 07m

Lihue

Wed 10/29

1:28 pm-6:15 am

2 stops34h 47m

$581

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sun 9/14

5:37 pm-11:56 am

1 stop24h 19m

Lihue

Fri 9/19

1:11 pm-8:51 pm

2 stops25h 40m

$589

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/1

5:25 am-5:21 pm

2 stops17h 56m

Lihue

Tue 10/7

9:40 pm-12:52 am

2 stops21h 12m

$606

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/29

6:50 am-7:05 pm

2 stops18h 15m

Lihue

Mon 11/3

10:40 pm-11:05 pm

2 stops19h 25m

$614

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/29

7:02 am-9:23 pm

1 stop20h 21m

Lihue

Mon 11/3

11:25 pm-5:42 am

1 stop25h 17m

$625

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Thu 9/4

8:00 am-3:36 pm

1 stop13h 36m

Lihue

Mon 9/8

7:40 pm-3:49 pm

1 stop14h 09m

$647

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/1

8:00 am-3:36 pm

1 stop13h 36m

Lihue

Tue 10/7

7:40 pm-4:00 pm

1 stop14h 20m

$647

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Fri 10/31

7:30 am-7:05 pm

2 stops17h 35m

Lihue

Mon 11/3

10:40 pm-5:38 pm

2 stops13h 58m

$649

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/22

12:00 pm-12:12 pm

3 stops30h 12m

$315

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 10/22

7:00 am-2:30 pm

1 stop13h 30m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 13 results
1
2

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

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

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $440). Flying from Philadelphia 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 PHL to FUS?

Find hourly flight availability from Philadelphia 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 August 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia 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 August 21, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Philadelphia to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,934 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Kaua'i?

    Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Kaua'i from Philadelphia.

  • How long is the flight from Philadelphia to Kaua'i?

    There are many flights that can get you from Philadelphia to Kaua'i in 17h 56m. Fly via Delta to get the fastest option. The distance from Philadelphia to Kaua'i is about 4954 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $440). Flying from Philadelphia 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

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Alternative routes for Philadelphia to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Philadelphia to Kaua'i

Discover the top 4 airlines that operate flights from Philadelphia 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$366Average$699FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$604Average$790FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$646Average$966FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$748Average$961FlexibilityNo cancel feeOn-time69%

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