Cheap flights from Belfast to Donegal (BFS to CFN)

Best stop during a summer road trip in Donegal.

To reach this beach, drive past the airport, turn left at the sign for "Trà" and then left again from the northern edge of Carnboy Lough. The beach is just south of the small pier.

#donegal #ireland #roadtrip #beach

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Frequently asked questions

Is it cheaper to buy a plane ticket from Belfast Intl. Airport (BFS) to CFN last minute?

When it comes to booking your flights, it’s always better to be prepared. While you could find a deal on a Belfast Intl. Airport (BFS) to CFN flight at the last minute, fares usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it’s three to four months.

What airports do you fly into for Annagry from Belfast?

With Donegal Airport (CFN), Letterkenny (LTR-Letterkenny Airfield) and Sligo (SXL) to pick from, connecting from Belfast to Annagry is no sweat. The city’s major hub, Donegal Airport (CFN), is approximately 1 mi northwest of the downtown area. As well as the price of tickets, consider factors like train or bus options from the airport and the distance to your hotel when deciding where to land. Get your Annagry adventure off to an awesome start by discovering Lough Nacung and Selkie Sailing.

Can I change the date of my flight from BFS to Donegal Airport (CFN)?

It’s a cinch to make changes to your Belfast International Airport to Donegal Airport (CFN) trip yourself. Just go to the Expedia Trips portal and click on “change flight.” Look for new flights and lock in the one that works best with your plans. You’ll see an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to connect with our Virtual Agent and get answers to your questions.

Travel information

Origin airport	Belfast Intl.
Destination airport	Donegal
Distance	88 mi

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

The best time to book a flight from Belfast to Donegal

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

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Cheap Flights from Belfast (BFS) to Donegal (CFN)

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