Cheap Flights from Portland (PDX) to Killarney (KIR)

Popular airlines from Portland International Airport (PDX) to Killarney (KIR-Kerry)

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Kerry Airport (KIR) cost?
Snag a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Kerry Airport (KIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Kerry Airport (KIR)?
is the least expensive month to fly from PDX to KIR. Traveling during quieter months is often the key to better flight prices.
How many flights per day from Portland Intl. Airport (PDX) to Kerry Airport (KIR)?
There aren't any daily direct flights available from Portland Intl. Airport (PDX) to Kerry Airport (KIR). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from PDX to KIR?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Kerry Airport (KIR)?
To avoid potential delays on the Portland Intl. Airport (PDX) to Kerry Airport (KIR) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Portland Intl. Airport (PDX) to Kerry Airport (KIR) last-minute?
Booking your plane ticket from PDX to KIR just before your getaway is usually more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a PDX to KIR flight and hotel package?
Booking a PDX to KIR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Kerry Airport (KIR)?
If you reserved your PDX to KIR flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Kerry
Distance
4605 mi

Book with confidence

Book with confidence

Portland to Killarney Flights

The cheapest times to fly from Portland 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 Portland to Killarney are during the month of . You can find some of the cheapest flights from Portland to Killarney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Killarney

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland 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 Portland 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 Portland 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.

 

Portland to Killarney Flights

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*Available to One Key members.