$294 Find Cheap Flights from Philadelphia to Kaua'i - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Kaua'i departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Philadelphia to Kaua'i Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Kaua'i that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Kaua'i

Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
8:00 am - 3:40 pm
PHL
-
LIH
13h 40m
1 stop
United Airlines Logo
12:52 pm - 7:49 am
LIH
-
PHL
12h 57m
1 stop
$612United Airlines
Wed, Sep 16 - Wed, Sep 30
American Airlines Logo
7:00 am - 3:02 pm
PHL
-
LIH
14h 02m
1 stop
American Airlines Logo
1:25 pm - 7:05 am
LIH
-
PHL
11h 40m
1 stop
$612American Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
4:48 pm - 11:20 am
PHL
-
LIH
24h 32m
1 stop
Multiple Airlines Logo
11:25 am - 3:45 pm
LIH
-
PHL
22h 20m
1 stop
$612Multiple Airlines
Wed, Aug 26 - Thu, Sep 3
Multiple Airlines Logo
6:59 pm - 2:39 pm
PHL
-
LIH
25h 40m
1 stop
Multiple Airlines Logo
11:25 am - 3:45 pm
LIH
-
PHL
22h 20m
1 stop
$612Multiple Airlines
Thu, Sep 3 - Thu, Sep 10
American Airlines Logo
7:17 am - 8:09 pm
PHL
-
LIH
18h 52m
1 stop
American Airlines Logo
1:25 pm - 7:05 am
LIH
-
PHL
11h 40m
1 stop
$670American Airlines
Sun, Aug 30 - Sun, Sep 6
American Airlines Logo
11:14 am - 8:09 pm
PHL
-
LIH
14h 55m
1 stop
American Airlines Logo
10:00 pm - 6:34 pm
LIH
-
PHL
14h 34m
1 stop
$672American Airlines
Fri, Aug 28 - Fri, Sep 4
United Airlines Logo
6:25 am - 3:40 pm
PHL
-
LIH
15h 15m
2 stops
United Airlines Logo
1:15 pm - 7:49 am
LIH
-
PHL
12h 34m
1 stop
$678United Airlines
Sun, Nov 1 - Sun, Nov 8
United Airlines Logo
6:00 am - 4:55 pm
PHL
-
LIH
15h 55m
2 stops
United Airlines Logo
1:46 pm - 7:39 am
LIH
-
PHL
12h 53m
1 stop
$678United Airlines
Fri, Sep 18 - Fri, Sep 25
Alaska Airlines Logo
4:48 pm - 9:42 am
PHL
-
LIH
22h 54m
2 stops
Alaska Airlines Logo
9:35 pm - 5:56 pm
LIH
-
PHL
14h 21m
1 stop
$704Alaska Airlines
Mon, Nov 9 - Thu, Nov 12
Alaska Airlines Logo
7:00 am - 10:19 pm
PHL
-
LIH
20h 19m
1 stop
Alaska Airlines Logo
11:24 pm - 4:49 pm
LIH
-
PHL
12h 25m
1 stop
$709Alaska Airlines
Booking Insights

KAYAK's insights & trends for Philadelphia to Kaua'i flights

Get data-powered insights and trends into flights from Philadelphia to Kaua'i to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Philadelphia to Kaua'i?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $613, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Philadelphia to Kaua'i?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Kaua'i, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Kaua'i is February, when tickets cost $667 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,935 and $1,176 respectively.

Good to know

Low season

January

Cheapest flight

$294
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Philadelphia to Lihue

FAQs - booking Kaua'i flights

  • How does KAYAK find such low prices on flights from Philadelphia to Kaua'i?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Kaua'i.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Kaua'i?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Philadelphia to Kaua'i is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Kaua'i?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Philadelphia to Kaua'i with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Kaua'i?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Philadelphia to Kaua'i up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Philadelphia to Kaua'i

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Kaua'i. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Kaua'i? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12734 reviews
7.0Food
7.0Entertainment
8.1Boarding
8.5Crew
7.8Comfort
Airline reviews

The aisles were very narrow for passing and too long to get to the restrooms. You asked to check carryons at boarding, but the bag was not at the luggage carousels on arrival and no information given as to where to pick them up.

6.0 GoodTed, Jun 2026
PHL - SEA
Read more Alaska Airlines reviews

The aisles were very narrow for passing and too long to get to the restrooms. You asked to check carryons at boarding, but the bag was not at the luggage carousels on arrival and no information given as to where to pick them up.

I truly can’t give a review regarding the food or entertainment it did not apply to my flight. But everything ran very smoothly.

I had the worst seat neighbors thry literally snored so loud and the man next to me man spreaded the whole time i couldnt sleep

Why is a fanny pack considered a third carry on? This shouldn't be regulated at the gate

The crew in first class did an amazing job keeping me comfortable, well fed and with plenty to drink. They work hard and deserve to be recognized

Mid flight we were bothered by a bee. Kind of odd, but a bee allergy made it a bit stressful. Attendants passed by our aisle during service multiple times. Otherwise, it was fine.

The airline said get there three hours before the flight if you do not have the new Real-ID. Except nobody is at the check in desk and i had to stand in line for 30-45 minutes for somebody to start checking in/accepting baggage.

This flight was delayed but otherwise comfortable except for some turbulence. The crew was minimally engaged with us but nothing particularly bad in our interaction. The pilot was incomprehensible mumbling whenever he got on the air - honestly, impossible to understand. However, there were two flights that multiple people were trying to connect to that were leaving in 10 minutes after our flight landed (one to Alaska and one to Oregon). The passengers in the back reported to me that they asked the flight attendents to assist them in getting out first to try to make those flights- they reported that they were told that this would not occur because "people aren't so nice". NOBODY from the flight crew announced that there were people who needed to catch a tight connection and to please let them off first. I was in row 16 and when I heard this, I made an announcement myself and worked to get those trying to make those flights out first. Unfortunately, a lot of people were already in the aisles and these folks were slowed getting out. But what is wrong with the Alaska team that they wouldn't help those passengers???? One of the things I love about flying Alaska is that generally the crews are special people who seem to enjoy their jobs (despite the challenges of working with the public) and try to assist however they can. I would have liked to see the Alaska crew make an announcement to assist getting passengers with a tight connection due to the delayed flight out first. I think that Alaska often stands out because of the niceness of the crews, but this was a fail. Honestly, a huge fail. Please do better next time. I really believe in Alaska and fly preferentially on Alaska, but that means standing out from the crowd to do the right thing in being kind when we can.

I was unfortunately placed in the middle seat. Very, Very cramped.

I have to eat gluten-free due to celiac disease, but so far no Alaska Air flight has offered a gluten-free option for the snack given out with free drinks. It seems like that wouldn't be too hard to do.

Great staff. Clean plane, but we were delayed for more than an hour due to maintenance issues and had to board another plane.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

newer aircraft, ability to connect my headset via blue tooth for entertainment.

I’m so sorry, I can’t remember her name, I believe it was Dimpti. She was stellar, also a mature Asian flight attendant, lots of flowers in her hair, just as amazing! But literally the crew was AWESOME . Only downside is there weren’t any charging outlets. Maybe I needed to ask a flight attendant , but it would’ve been nice to have one easily accessible.

Older aircraft, no meal, only food was for purchase. Not impressed United.

My husband and I recently had an unfortunate experience with Lufthansa. At the Philadelphia International airport, the ground staff refused to board us because we didn’t have a current visa stamped on our passports for Frankfurt. We completely understand that this was our mistake. we should have double-checked the visa requirements before our trip. However, the issue that upset us most was how the situation was handled by the staff. They told us they would mark it as “boarding denied due to visa issue”, but instead they recorded it as “no show”. Because of that incorrect entry, our return flight was automatically cancelled as well, which caused additional stress and expense. Mistakes can happen, but we expected more transparency and accuracy from a reputed airline like Lufthansa. It would have made a big difference if the staff had been more careful and considerate in documenting the situation correctly.

Everything was good, except the seats in economy were so close together, you could barely get out when the seat in front of your was reclined. If the airlines keep jamming in more and more seats, it will become intolerable. I will look for another airline that considers customer comfort and does not keep adding more rows of seats for more profit.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

Flight attendant moved my bag without notifying me and was rude to me when I asked him about it. There was no reason to move it.

Flight was on time, crew were excellent. For some reason our originally selected seats were changed. We had to re-choose our seats when we checked in online and options were limited. One of our two checked bags we placed on the wrong carousel. It was only be shear luck that I saw it. That cost us 20 minutes of wasted time. So much for the “priority” tags. They are meaningless, and have been ever since they were implemented. I wish you would do the save some money and stop using them.

Very good, boarded and took off on time and landed early

Boarding and Delays The boarding process for my American Airlines flight from Copenhagen to Philadelphia was a bit tricky. We experienced a gate change that required a long walk to a new area of the airport. Additionally, boarding was not via a jet bridge; we had to take a shuttle bus to the plane and then carry our luggage up the stairs ourselves. Furthermore, the bag drop didn't open until about 12:20 PM, which was only three hours before our scheduled departure. This meant I couldn't drop my bag off early and had to wait outside of security in order to drop off my bag and use the kiosk. The bag drop self-service kiosks also didn't open until about 12:00 PM when an American Airlines employee unlocked them so that we could print out our boarding passes and bag tags, which further created a backlog. The flight was delayed by over an hour because we had to wait for one of the tires on the plane to be changed. Flight Attendant Professionalism On a positive note, the flight attendant was very professional when handling a passenger who was sitting in the wrong seat. Even though the passenger was persistent and reluctant to move, the flight attendant calmly ensured the assigned passenger could take their seat. Kudos to the flight attendant for keeping his calm and composure, not allowing the issue to escalate, and handling it well under pressure while a line of passengers waited in the aisle to board. In-Flight Service The in-flight service was also fast, prompt, and efficient, although service had to be suspended for the last two hours of the flight due to weather and turbulence, which was outside of the crew's control. Limited Flight Options Please note that American Airlines only operates one flight per day in and out of Copenhagen. This means there are limited options available if your flight is delayed or canceled, which is something to take into consideration when booking.

Quick flight again no one illness why there were multiple delays and changing of the gate number.

Fine. Nothing to write home about. The plane left on time, and arrived on time.

Flight left early and arrived 30 MINUTES early at the destination. Smooth trip.

Flight was 3 hours delayed. They gave our plan to two other routes. Need to knock that off.

The flight was on time and the landing was very smooth. The crew and flight attendants were all very friendly and professional.

Plane was super cold. No entertainment unless you were with mileage program Getting off the plane was super slow

I appreciate that I finally got the seat I paid extra for this time. Thank you

Half of the TSA checkpoints at PHL are closed. Also, there is no standby for first class passengers. You can only standby for coach. Very dated policy and inconsistent with peers.

Everything you need to know for your flight to Kaua'i

Information on your arrival and departure airports