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Kaua'i

$237+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIH
Jan 19 — Jan 261
Mon 1/19
Mon 1/26
1 adult, Economy
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Cheap 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 December 20, 2025.

This United Airlines deal was found by Cheapflights users on 12/20. 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.
Mon 12/228:00 amPHL - LIH
1 stop14h 04mUnited Airlines
Mon 12/229:35 pmLIH - PHL
2 stops14h 53mUnited Airlines
Deal found 12/20$883
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amPHL - LIH
2 stops16h 04mUnited Airlines
Tue 12/308:30 pmLIH - PHL
2 stops36h 41mUnited Airlines
Deal found 12/19$923
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Wed 12/248:34 amPHL - LIH
2 stops15h 05mAmerican Airlines
Tue 12/3010:45 pmLIH - PHL
1 stop11h 03mAmerican Airlines
Deal found 12/19$1,030
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:00 amPHL - LIH
1 stop14h 39mAmerican Airlines
Mon 12/229:45 pmLIH - PHL
1 stop13h 30mAmerican Airlines
Deal found 12/20$1,037
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Wed 12/248:34 amPHL - LIH
2 stops15h 05mAmerican Airlines
Fri 1/29:45 pmLIH - PHL
1 stop21h 14mAmerican Airlines
Deal found 12/19$1,921
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 12/246:00 amPHL - LIH
2 stops16h 04mUnited Airlines
Fri 1/28:30 pmLIH - PHL
2 stops15h 58mUnited Airlines
Deal found 12/20$2,012

Find 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 December 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(Alaska Airlines)

One-way from

$237
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$2,020
Provider with most accurate pricing for Philadelphia-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Lihue flights.
Search Deals
From Philadelphia to Kaua'i
Search Deals
One-way flight from Philadelphia to Kaua'i
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 20, 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

Tue 2/3

7:06 pm-10:41 pm

1 stop32h 35m

Lihue

Tue 2/10

10:20 pm-6:03 pm

1 stop14h 43m

$473

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 2/3

9:40 am-7:54 pm

2 stops15h 14m

Lihue

Tue 2/10

9:20 pm-5:57 pm

2 stops15h 37m

$512

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 2/17

9:23 am-5:32 pm

1 stop13h 09m

Lihue

Thu 2/26

9:46 pm-4:14 pm

1 stop13h 28m

$519

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 2/17

6:00 am-6:31 pm

2 stops17h 31m

Lihue

Thu 2/26

9:45 pm-6:52 pm

2 stops16h 07m

$530

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sat 1/10

6:15 am-4:37 pm

1 stop15h 22m

Lihue

Sat 1/17

10:10 pm-2:51 pm

1 stop11h 41m

$579

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sun 1/18

5:00 am-4:37 pm

2 stops16h 37m

Lihue

Sat 1/24

10:10 pm-2:51 pm

1 stop11h 41m

$585

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sun 2/15

7:15 am-5:32 pm

1 stop15h 17m

Lihue

Sun 2/22

9:46 pm-7:54 pm

1 stop17h 08m

$637

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Fri 2/20

7:00 am-4:31 pm

1 stop14h 31m

Lihue

Fri 3/6

10:45 pm-11:58 pm

1 stop20h 13m

$637

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sun 2/1

6:11 pm-1:09 pm

3 stops47h 58m

$237

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Thu 2/26

5:47 pm-3:14 pm

3 stops26h 27m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 15 results
1
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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, August is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $259). Flying from Philadelphia to Kaua'i in July is currently the most expensive (average of $532). 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 December 20, 2025.

One of the essential ways to save on airfare from Philadelphia 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 morning could potentially save you up to 23% on airfare.

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 December 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, United Airlines, and American 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
11,491 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,491 reviews
Alaska Airlines
8.0
Very good
11,491 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,097 reviews
Alaska Airlines
8.0
Very good
11,491 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,491 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 13h 09m. Fly via Alaska Airlines, Delta, or American Airlines to get the fastest option. The distance from Philadelphia to Kaua'i is about 4954 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $259). Flying from Philadelphia to Kaua'i in July is currently the most expensive (average of $532). 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 3 airlines flying from Philadelphia to Kaua'i

Discover the top 3 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 December 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$604Average$817FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$647Average$990FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$695Average$934FlexibilityNo cancel feeOn-time69%

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