Cheap Flights from Buffalo (BUF) to Donegal (CFN)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Donegal (CFN)

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN) cost?
Lock in a cheap one-way flight or cheap return flight from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN) 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 Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN)?
The cheapest month to fly from BUF to CFN is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from BUF to CFN. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN)?
Direct flights from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to CFN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN)?
Choose a flight from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 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 Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN) last-minute?
Booking your plane ticket from BUF to CFN shortly before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a BUF to CFN flight and hotel package?
You'll generally save money by booking a BUF to CFN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Donegal Airport (CFN)?
If you reserved your BUF to CFN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Donegal
Distance
3153 mi

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Buffalo to Donegal Flights

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

 

The best time to book a flight from Buffalo to Donegal

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Donegal 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 Buffalo 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. Bundling together your Buffalo 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.

 

Buffalo to Donegal Flights

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*Available to One Key members.