Title: Cheap flights from Killarney to Donegal (KIR to CFN) - Expedia.com ![Murder hole beach 2 ireland](https://images.trvl-media.com/place/11245/d813363a-2a01-40e1-b06e-8106f926d970.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/11245/d813363a-2a01-40e1-b06e-8106f926d970.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Killarney (KIR) to Donegal (CFN) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Killarney (KIR-Kerry) to Donegal (CFN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:KIR,to:CFN,departure:2/21/2026TANYT&leg2=from:CFN,to:KIR,departure:2/28/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) __Flights from Killarney (KIR) to Donegal (CFN)__ | Origin airport | Kerry | | ------------------- | ------- | | Destination airport | Donegal | | Distance | 203 mi | ## Killarney to Donegal Flights The cheapest times to fly from Killarney to Donegal 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 Donegal are during the month of . You can find some of the cheapest flights from Killarney to Donegal with Expedia's search tool and vast selection of airlines. The best time to book a flight from Killarney to Donegal Sunday is one of the best days to book for cheap flights from Killarney to Donegal: 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 Donegal 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 Donegal 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 Donegal 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](https://www.expedia.com/package-deals). Bundling together your Killarney to Donegal 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 Killarney (KIR-Kerry) to Donegal (CFN) cost? ### What is the cheapest month to fly from Killarney (KIR-Kerry) to Donegal (CFN)? ### Which airlines fly direct from Killarney (KIR-Kerry) to Donegal (CFN)? ### How do I find cheap flights from Killarney (KIR-Kerry) to Donegal (CFN)? ### What is the best time to fly from Killarney (KIR-Kerry) to Donegal (CFN)? ### What is the earliest flight from Killarney (KIR-Kerry) to Donegal (CFN)? ### Can you fly business or first class from Killarney (KIR-Kerry) to Donegal (CFN)? ### How do I earn miles on a Killarney (KIR-Kerry) to Donegal (CFN) flight with Expedia? ### Is it cheaper to buy a plane ticket from Killarney (KIR-Kerry) to Donegal (CFN) at the last minute? ### Is it cheaper to book a Killarney (KIR-Kerry) to Donegal (CFN) flight and hotel package? ### Can I cancel or change the date of my flight from Killarney (KIR-Kerry) to Donegal (CFN)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - 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