Cheap Flights from Boise (BOI) to Killarney (KIR)

Popular airlines from Boise Airport (BOI) to Killarney (KIR-Kerry)

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Kerry Airport (KIR) cost?
Grab a cheap one-way flight or cheap return flight from Boise Airport (BOI) 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 Boise Airport (BOI) to Kerry Airport (KIR)?
is the most affordable month to fly from BOI to KIR. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Boise Airport (BOI) to Kerry Airport (KIR)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from BOI to KIR. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Boise Airport (BOI) to Kerry Airport (KIR)?
You'll need to hop on a flight with a layover when traveling from Boise Airport (BOI) to Kerry Airport (KIR). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BOI to KIR?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier 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 Boise Airport (BOI) to Kerry Airport (KIR)?
Opt for a flight from Boise Airport (BOI) to Kerry Airport (KIR) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Boise Airport (BOI) to Kerry Airport (KIR) last-minute?
Last-minute fares from BOI to KIR are generally more expensive. To secure the lowest prices, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a BOI to KIR flight and hotel package?
You'll generally save money by securing a BOI to KIR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Kerry Airport (KIR)?
In most instances, you can cancel or reschedule your BOI to KIR flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Origin airport
Boise
Destination airport
Kerry
Distance
4515 mi

Book with confidence

Boise to Killarney Flights

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

 

The best time to book a flight from Boise to Killarney

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

 

Boise to Killarney Flights

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*Available to One Key members.