Cheap Flights from Denver (DEN) to Killarney (KIR)

Popular airlines from Denver Intl. Airport (DEN) to Killarney (KIR-Kerry)

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Kerry Airport (KIR) cost?
Secure a cheap one-way flight or cheap return flight from Denver Intl. Airport (DEN) to Kerry Airport (KIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Kerry Airport (KIR)?
The cheapest month to fly from DEN to KIR is , when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Kerry Airport (KIR)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from DEN to KIR. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Denver Intl. Airport (DEN) to Kerry Airport (KIR)?
You'll need to hop on a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to Kerry Airport (KIR). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DEN to KIR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Denver Intl. Airport (DEN) to Kerry Airport (KIR)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Kerry Airport (KIR) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN) to Kerry Airport (KIR) last-minute?
Booking your ticket from DEN to KIR just before your journey is generally more expensive. But if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a DEN to KIR flight and hotel package?
You'll typically save money by booking a DEN 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 easy to manage it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Kerry Airport (KIR)?
If you booked your DEN to KIR flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare 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

Origin airport
Denver Intl.
Destination airport
Kerry
Distance
4307 mi

Book with confidence

Denver to Killarney Flights

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

 

The best time to book a flight from Denver to Killarney

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

 

Denver to Killarney Flights

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*Available to One Key members.