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Kaua'i

$234+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIH
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:22 pm
PHL
-
LIH
2 stops24h 32m
Multiple Airlines
Mon 3/231:06 pm
LIH
-
PHL
2 stops22h 41m
Multiple Airlines
Deal found 1/25$598
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/117:15 am
PHL
-
LIH
1 stop14h 59m
American Airlines
Thu 3/199:30 pm
LIH
-
PHL
1 stop19h 50m
American Airlines
Deal found 1/25$620
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:25 am
PHL
-
LIH
2 stops29h 31m
Multiple Airlines
Tue 4/710:29 pm
LIH
-
PHL
1 stop25h 36m
Multiple Airlines
Deal found 1/27$629
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/119:55 am
PHL
-
LIH
2 stops18h 02m
United Airlines
Thu 3/191:25 pm
LIH
-
PHL
1 stop11h 50m
United Airlines
Deal found 1/25$646
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:47 pm
PHL
-
LIH
1 stop32h 42m
Alaska Airlines
Fri 5/110:26 pm
LIH
-
PHL
1 stop25h 36m
Alaska Airlines
Deal found 1/27$667
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:25 am
PHL
-
LIH
2 stops30h 32m
Multiple Airlines
Fri 5/110:26 pm
LIH
-
PHL
1 stop25h 36m
Multiple Airlines
Deal found 1/27$672
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:25 am
PHL
-
LIH
1 stop20h 04m
Alaska Airlines
Tue 4/710:29 pm
LIH
-
PHL
1 stop25h 36m
Alaska Airlines
Deal found 1/27$674
This American Airlines deal was found by Cheapflights users on 1/25. 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 3/167:15 am
PHL
-
LIH
1 stop14h 59m
American Airlines
Mon 3/239:00 pm
LIH
-
PHL
1 stop20h 57m
American Airlines
Deal found 1/25$680
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:25 am
PHL
-
LIH
2 stops28h 52m
Multiple Airlines
Tue 4/710:29 pm
LIH
-
PHL
1 stop25h 36m
Multiple Airlines
Deal found 1/27$690
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:25 am
PHL
-
LIH
1 stop20h 04m
Alaska Airlines
Tue 4/710:29 pm
LIH
-
PHL
1 stop25h 36m
Alaska Airlines
Deal found 1/27$706
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
PHL
-
LIH
2 stops17h 40m
Delta
Fri 5/19:25 pm
LIH
-
PHL
2 stops14h 58m
Delta
Deal found 1/27$709

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(Expedia)

One-way from

$234
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$827
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 ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 28, 2026.
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 3/31

7:25 am-6:56 am

2 stops29h 31m

Lihue

Tue 4/7

10:29 pm-6:05 am

1 stop25h 36m

$629

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 3/11

9:55 am-9:57 pm

2 stops18h 02m

Lihue

Thu 3/19

1:25 pm-7:15 am

1 stop11h 50m

$646

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 4/20

7:25 am-7:57 am

2 stops30h 32m

Lihue

Fri 5/1

10:26 pm-6:02 am

1 stop25h 36m

$672

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 3/30

7:25 am-6:17 am

2 stops28h 52m

Lihue

Tue 4/7

10:29 pm-6:05 am

1 stop25h 36m

$690

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 3/30

7:25 am-9:29 pm

1 stop20h 04m

Lihue

Tue 4/7

10:29 pm-6:05 am

1 stop25h 36m

$706

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 4/20

7:00 am-6:40 pm

2 stops17h 40m

Lihue

Fri 5/1

9:25 pm-6:23 pm

2 stops14h 58m

$709

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Wed 4/1

7:25 am-6:17 am

2 stops28h 52m

Lihue

Tue 4/7

10:29 pm-6:05 am

1 stop25h 36m

$715

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 6/1

1:28 pm-8:52 pm

1 stop13h 24m

Lihue

Mon 6/15

9:40 pm-2:58 pm

1 stop11h 18m

$718

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Tue 3/31

7:25 am-6:56 am

2 stops29h 31m

Lihue

Wed 4/8

10:29 pm-6:05 am

1 stop25h 36m

$718

PhiladelphiaLihue

PHL - LIH

PHLLIH

Philadelphia

Mon 2/9

5:50 am-4:25 pm

2 stops15h 35m

Lihue

Fri 2/13

9:15 pm-6:00 pm

2 stops15h 45m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 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, August is the cheapest month in which you can book a flight from Philadelphia to Kaua'i (average of $261). Flying from Philadelphia to Kaua'i in June is currently the most expensive (average of $664). 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 January 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
9,212 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

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
9,212 reviews
United Airlines
7.4
Good
9,212 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

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
7.2
Good
11,201 reviews
United Airlines
7.4
Good
9,212 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

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 18h 02m. Fly via United Airlines or Alaska 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 $261). Flying from Philadelphia to Kaua'i in June is currently the most expensive (average of $664). 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 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$647Average$998FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$695Average$950FlexibilityNo cancel feeOn-time69%

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