Cheap Flights from Philadelphia (PHL) to Killarney (KIR)

Popular airlines from Philadelphia Intl. Airport (PHL) to Killarney (KIR-Kerry)

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Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR) cost?
Grab a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR)?
The cheapest month to fly from PHL to KIR is , when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PHL to KIR flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR)?
Nonstop flights from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to KIR?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR) last-minute?
Last-minute fares from PHL to KIR are typically more expensive. For the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a PHL to KIR flight and hotel package?
You'll generally save money by booking a PHL to KIR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Kerry Airport (KIR)?
Typically, you can reschedule or cancel your PHL to KIR flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Kerry
Distance
3148 mi

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Philadelphia to Killarney Flights

The cheapest times to fly from Philadelphia to Killarney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Killarney are during the month of . You can find some of the cheapest flights from Philadelphia to Killarney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Killarney

Sunday is one of the best days to book for cheap flights from Philadelphia to Killarney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Killarney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Killarney in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Killarney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Killarney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Killarney Flights

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*Available to One Key members.