HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kaua'i

$330+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIH
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia 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 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 March 28, 2026.

This American Airlines deal was found by Cheapflights users on 3/25. 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 5/57:13 am
PHL
-
LIH
1 stop14h 02m
American Airlines
Tue 5/122:12 pm
LIH
-
PHL
2 stops13h 34m
American Airlines
Deal found 3/25$596
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 5/210:00 am
PHL
-
LIH
2 stops16h 23m
United Airlines
Tue 5/51:16 pm
LIH
-
PHL
1 stop12h 44m
United Airlines
Deal found 3/25$626
This Delta deal was found by Cheapflights users on 3/25. 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.
Sat 5/26:00 am
PHL
-
LIH
2 stops18h 40m
Delta
Tue 5/58:20 pm
LIH
-
PHL
2 stops14h 17m
Delta
Deal found 3/25$631
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/148:40 am
PHL
-
LIH
1 stop12h 35m
American Airlines
Mon 4/209:30 pm
LIH
-
PHL
1 stop12h 54m
American Airlines
Deal found 3/24$638
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/48:40 am
PHL
-
LIH
1 stop12h 35m
American Airlines
Thu 5/72:12 pm
LIH
-
PHL
2 stops13h 34m
American Airlines
Deal found 3/25$641
This Delta deal was found by Cheapflights users on 3/25. 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 5/46:00 am
PHL
-
LIH
2 stops17h 40m
Delta
Thu 5/79:55 pm
LIH
-
PHL
2 stops19h 12m
Delta
Deal found 3/25$648
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Fri 5/87:13 am
PHL
-
LIH
1 stop14h 02m
American Airlines
Mon 5/112:12 pm
LIH
-
PHL
2 stops15h 27m
American Airlines
Deal found 3/25$653
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sun 5/38:10 pm
PHL
-
LIH
1 stop22h 12m
American Airlines
Wed 5/62:12 pm
LIH
-
PHL
2 stops13h 34m
American Airlines
Deal found 3/25$654
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/1810:00 am
PHL
-
LIH
2 stops15h 53m
United Airlines
Sat 4/2512:40 pm
LIH
-
PHL
1 stop13h 35m
United Airlines
Deal found 3/27$656

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 March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(American Airlines)

One-way from

$330
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$747
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. 14% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 28, 2026.
Use the filters below to find and compare flights from Philadelphia to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Thu 8/13

1:28 pm-7:06 pm

1 stop11h 38m

Lihue

Wed 8/19

9:41 pm-4:37 pm

1 stop12h 56m

$660

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sat 4/18

10:00 am-7:53 pm

2 stops15h 53m

Lihue

Sat 4/25

12:55 pm-10:28 am

2 stops15h 33m

$811

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Sat 5/9

7:25 am-7:06 pm

2 stops17h 41m

Lihue

Sat 5/16

8:40 pm-11:12 pm

2 stops20h 32m

$824

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Fri 5/1

7:22 am-7:41 am

2 stops30h 19m

Lihue

Sun 5/10

9:00 pm-6:02 am

2 stops27h 02m

$862

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 8/25

6:45 am-9:56 pm

1 stop21h 11m

Lihue

Wed 8/26

10:47 am-5:27 am

1 stop12h 40m

$872

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 7/7

6:00 am-7:42 pm

2 stops19h 42m

Lihue

Mon 7/13

1:01 pm-9:39 am

2 stops14h 38m

$897

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 6/9

7:16 pm-12:25 pm

2 stops23h 09m

Lihue

Mon 6/15

4:48 pm-4:43 pm

2 stops17h 55m

$908

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Fri 4/10

6:54 am-6:50 pm

2 stops17h 56m

Lihue

Sun 4/19

9:25 pm-8:53 pm

2 stops17h 28m

$910

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Fri 4/10

10:00 am-7:53 pm

2 stops15h 53m

Lihue

Sun 4/19

11:00 pm-5:15 pm

1 stop12h 15m

$928
Cheapest one-way

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Thu 5/28

1:22 pm-8:21 pm

1 stop12h 59m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 16 resultsSorted by cheapest first
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, August is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $254). Flying from Philadelphia to Kaua'i in June is currently the most expensive (average of $657). 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.

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 March 28, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,499 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,499 reviews
United Airlines
7.4
Good
9,499 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,520 reviews
United Airlines
7.4
Good
9,499 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 11h 38m. Fly via American Airlines, United Airlines, or Delta 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 $254). Flying from Philadelphia to Kaua'i in June is currently the most expensive (average of $657). 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 2 airlines flying from Philadelphia to Kaua'i

Discover the top 2 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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$647Average$1,058FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$667Average$974FlexibilityNo 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.
Site
©2026 Cheapflights