Find the cheapest flights on Expedia from (KIR) to (CMH). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at for travel on .
Book with confidence
Killarney to Columbus Flights
The cheapest times to fly from Killarney to Columbus
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 Killarney to Columbus are during the month of . You can find some of the cheapest flights from Killarney to Columbus with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Killarney to Columbus
Sunday is one of the best days to book for cheap flights from Killarney to Columbus: 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 Killarney to Columbus
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 Killarney to Columbus in 2026. 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 Killarney to Columbus 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 Killarney to Columbus 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.
Frequently Asked Questions
How much does a flight from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH) cost?
Snag a cheap one-way flight or cheap return flight from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH)?
is the cheapest month to fly from KIR to CMH. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from KIR to CMH. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH)?
There are no daily nonstop flights from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from KIR to CMH?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, 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 Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH)?
To avoid potential delays on the Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH) route, fly before 3 PM. Later departures 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 Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH) last-minute?
Waiting until just before your trip to book a flight from KIR to CMH generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a KIR to CMH flight and hotel package?
You'll generally save money by securing a KIR to CMH 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 it all in one place. After selecting your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Kerry Airport (KIR) to John Glenn Columbus Intl. Airport (CMH)?
In most cases, you can cancel or modify your KIR to CMH flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.