$311+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LIH
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Kaua'i with Cheapflights
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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
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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
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Best
Last-minute
One-way
Cheapest flights from Philadelphia to Kaua'iExplore 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 April 10, 2026.
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 April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/6. 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 4/6![American Airlines logo]()
$618
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Alaska Airlines
Mon 5/1110:26 pm
LIH
- PHL
1 stop13h 32m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$633
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/57:22 am
PHL
- LIH
1 stop20h 04m
Alaska Airlines
Tue 5/1212:11 pm
LIH
- PHL
1 stop21h 34m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$636
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/57:22 am
PHL
- LIH
1 stop20h 04m
Multiple Airlines
Tue 5/121:14 pm
LIH
- PHL
2 stops20h 31m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$642
This Delta deal was found by Cheapflights users on 4/7. 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 4/287:15 am
PHL
- LIH
2 stops17h 25m
Delta
Thu 5/79:55 pm
LIH
- PHL
2 stops19h 12m
Delta
Deal found 4/7![Delta logo]()
$643
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Multiple Airlines
Fri 5/87:21 am
LIH
- PHL
2 stops16h 41m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$644
This American Airlines deal was found by Cheapflights users on 4/5. 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 8/1311:00 am
PHL
- LIH
1 stop14h 06m
American Airlines
Wed 8/199:41 pm
LIH
- PHL
1 stop11h 40m
American Airlines
Deal found 4/5![American Airlines logo]()
$660
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Alaska Airlines
Fri 5/810:46 am
LIH
- PHL
1 stop13h 16m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$665
Best flights from Philadelphia to Kaua'iDiscover carefully curated flight deals from Philadelphia to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Philadelphia to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This American Airlines deal was found by Cheapflights users on 4/10. 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 4/10![American Airlines logo]()
$618
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/57:22 am
PHL
- LIH
1 stop20h 04m
Alaska Airlines
Tue 5/1212:11 pm
LIH
- PHL
1 stop21h 34m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 4/8. 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 5/55:30 am
PHL
- LIH
2 stops19h 10m
Delta
Tue 5/129:55 pm
LIH
- PHL
2 stops19h 12m
Delta
Deal found 4/8![Delta logo]()
$643
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/57:22 am
PHL
- LIH
2 stops31h 34m
Multiple Airlines
Tue 5/121:14 pm
LIH
- PHL
2 stops20h 31m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$647
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 5/16:58 pm
PHL
- LIH
1 stop32h 28m
Multiple Airlines
Sun 5/108:11 am
LIH
- PHL
2 stops15h 51m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 4/7. 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 5/287:10 am
PHL
- LIH
1 stop17h 56m
Delta
Sat 6/69:55 pm
LIH
- PHL
2 stops19h 22m
Delta
Deal found 4/7![Delta logo]()
$784
This Delta deal was found by Cheapflights users on 4/9. 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 6/177:00 am
PHL
- LIH
1 stop18h 01m
Delta
Mon 7/69:55 pm
LIH
- PHL
1 stop25h 58m
Delta
Deal found 4/9![Delta logo]()
$814
Last-minute flights from Philadelphia to Kaua'iDiscover last-minute flight deals from Philadelphia to Kaua'i. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Kaua'i. Data last updated April 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Alaska Airlines
Mon 5/1110:26 pm
LIH
- PHL
1 stop13h 32m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$633
This Delta deal was found by Cheapflights users on 4/7. 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 4/287:15 am
PHL
- LIH
2 stops17h 25m
Delta
Thu 5/79:55 pm
LIH
- PHL
2 stops19h 12m
Delta
Deal found 4/7![Delta logo]()
$643
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Multiple Airlines
Fri 5/87:21 am
LIH
- PHL
2 stops16h 41m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$644
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Alaska Airlines
Fri 5/810:46 am
LIH
- PHL
1 stop13h 16m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 4/287:22 am
PHL
- LIH
2 stops32h 22m
Multiple Airlines
Sun 5/107:21 am
LIH
- PHL
2 stops16h 41m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 4/6. 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 4/6![American Airlines logo]()
$618
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/57:22 am
PHL
- LIH
1 stop20h 04m
Alaska Airlines
Tue 5/1212:11 pm
LIH
- PHL
1 stop21h 34m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$636
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/57:22 am
PHL
- LIH
1 stop20h 04m
Multiple Airlines
Tue 5/121:14 pm
LIH
- PHL
2 stops20h 31m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$642
One-way flights from Philadelphia to Kaua'iSearch for one-way flight options from Philadelphia to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Philadelphia to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 9/97:55 am
PHL
- LIH
2 stops14h 15m
Southwest
Deal found 4/7![Southwest logo]()
$311
This American Airlines deal was found by Cheapflights users on 4/5. 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 8/61:28 pm
PHL
- LIH
1 stop11h 38m
American Airlines
Deal found 4/5![American Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/9. 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 7/147:08 am
PHL
- LIH
1 stop17h 55m
Delta
Deal found 4/9![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 4/9. 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 7/235:16 am
PHL
- LIH
2 stops18h 25m
Delta
Deal found 4/9![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 4/9. 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 7/177:08 am
PHL
- LIH
1 stop17h 55m
Delta
Deal found 4/9![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 4/9. 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 7/167:08 am
PHL
- LIH
1 stop17h 55m
Delta
Deal found 4/9![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 4/6. 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 7/247:08 am
PHL
- LIH
1 stop17h 55m
Delta
Deal found 4/6![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 4/9. 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 7/158:00 am
PHL
- LIH
2 stops18h 14m
United Airlines
Deal found 4/9![United Airlines logo]()
$421
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 April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $618 (American Airlines) |
One-way from | $311 (Southwest) |
Popular in | December |
Cheapest in | February |
Average price | $1,090 |
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 April 10, 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
Cheapest round-trip
Quickest round-trip
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Tue 5/5
7:13 am-3:15 pm
1 stop14h 02m
Lihue
Tue 5/12
2:12 pm-9:46 am
2 stops13h 34m
$618
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Tue 5/5
7:22 am-9:26 pm
1 stop20h 04m
Lihue
Tue 5/12
12:11 pm-3:45 pm
1 stop21h 34m
$636
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Tue 5/5
5:30 am-6:40 pm
2 stops19h 10m
Lihue
Tue 5/12
9:55 pm-11:07 pm
2 stops19h 12m
$643
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Tue 5/5
7:22 am-8:56 am
2 stops31h 34m
Lihue
Tue 5/12
1:14 pm-3:45 pm
2 stops20h 31m
$647
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Fri 5/1
6:58 pm-9:26 pm
1 stop32h 28m
Lihue
Sun 5/10
8:11 am-6:02 am
2 stops15h 51m
$779
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Thu 5/28
7:10 am-7:06 pm
1 stop17h 56m
Lihue
Sat 6/6
9:55 pm-11:17 pm
2 stops19h 22m
$784
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Wed 6/17
7:00 am-7:01 pm
1 stop18h 01m
Lihue
Mon 7/6
9:55 pm-5:53 am
1 stop25h 58m
$814
Cheapest one-way
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Wed 9/9
7:55 am-4:10 pm
2 stops14h 15m
$311
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Wed 9/9
7:00 am-2:44 pm
1 stop13h 44m
$330
Quickest one-way
PhiladelphiaLihue
PHL - LIH
PHLLIH
Philadelphia
Thu 8/6
1:28 pm-7:06 pm
1 stop11h 38m
$330
Showing 1-10 of 14 resultsSorted by cheapest first
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.
PHL-LIH
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
PHL-zzFUS
PHL-LIH
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 $640). 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 April 10, 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.
Food
6.6
Crew
8.1
Entertainment
7.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Crew
8.1
Entertainment
7.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Crew
8.1
Entertainment
7.1
Comfort
7.3
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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Complete your trip
Complete your trip to Kaua'i by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Philadelphia to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Kaua'i flights
Browse other Philadelphia and Kaua'i flight options. Last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$647 | Average$1,049 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$993 | FlexibilityNo cancel fee | On-time69% |