C$147 Cheap Flights from Belfast (BELF) to Donegal (CFN)

Compare Belfast to Donegal flight deals

Find the cheapest month or even day of the year to fly to Donegal

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Find the cheapest month to fly from Belfast to Donegal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Donegal flights are currently cheapest in August.

Belfast to Donegal: Alternative routes

Compare routes from Belfast to Donegal below. You may find an airport to fly into that's cheaper, faster, or easier than Donegal.

Belfast to Donegal: Flight information

The things to know before you go.
Cheapest flight foundC$147
Cheapest month to flyAugust

Finding cheap flights from Belfast to Donegal: Frequently asked questions

The best price we found for a return flight from Belfast to Donegal is C$294. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Belfast to Donegal. But we found flights with one stop from C$294.
As of June 2026, there are no flights flying from Belfast to Donegal.
The cheapest month to fly from Belfast to Donegal is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Donegal Airport on Tuesday, July 14, 2026.
No airlines currently offer direct flights between Belfast and Donegal Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Donegal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Donegal is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Donegal is Ryanair .

Travelling from Belfast to Donegal Airport (CFN): what you need to know

  • There are two main airports you can fly out of in Belfast. Check out your options departing from Belfast International Airport (BFS) or George Best Belfast City Airport (BHD) when planning your flight from Belfast to Donegal Airport (CFN).

  • Donegal's timezone is UTC+0, which is the same as Belfast. Donegal Airport is located in Donegal.

  • Your flight from Belfast to CFN won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as August, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during high season in general.

Airports in Belfast

Belfast International Airport (BFS)

  • Finding a stopover on your flight from Belfast to CFN is a cinch. Whether you're eager to potentially save money on your fare or break up your trip, just uncheck 'Direct flights only' to check out your options. A popular stop when departing from Belfast International Airport (BFS) is Glasgow International Airport (GLA).

  • BFS is roughly 32 kilometres from central Belfast. To help you work out how to get there, use Google Maps. This essential traveller tool will give you the quickest route and your public transport options.

  • Searching for a convenient hotel near Belfast International Airport? If you're catching an early flight from Belfast to Donegal Airport, these stays will have you moments from your departure lounge:

George Best Belfast City Airport (BHD)

  • Consider adding a stop at Glasgow International Airport (GLA). It's a major stopover on a flight from Belfast to Donegal Airport (CFN) leaving George Best Belfast City Airport. Use a longer layover to get out and explore, or take advantage of a short break to grab a bite to eat at the airport.

  • BHD is about 8 kilometres from central Belfast. It'll take you 12 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 22 minutes.

  • Start your vacation early with an extra night away from home. Before catching your flight from Belfast to CFN, take things easy in one of these hotels close to George Best Belfast City Airport:

About Donegal Airport (CFN)

Getting from Donegal Airport (CFN) to central Donegal

  • Donegal Airport is approximately 72 kilometres from central Donegal. With your own car rental or in a cab, the drive is about 1 hour and 4 minutes.

  • Travelling to the centre by public transport will take you around 4 hours and 10 minutes.

How to find the cheapest flights from Belfast to Donegal Airport (CFN)

  • For a one-way ticket from Belfast to Donegal Airport, C$147 is the cheapest price. You can also book a return trip from just C$294. These are currently the lowest fares but may change depending on availability.

  • Don't leave everything to the last minute. You're more likely to get flight tickets from Belfast to CFN if you book ahead. Airlines often have some fantastic early bird discounts.

  • The 'Whole month' search tool shows you the cheapest tickets from Belfast to Donegal Airport across the entire month. It's a great way to snap up a bargain if your travel plans are flexible.

  • Set up a Price Alert for flight tickets from Belfast to CFN. There's no need to check back in every day to see whether fares have dropped. We'll let you know the moment there's a change in price.

  • Use the filters to tailor your flights from Belfast to Donegal Airport. Enter your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from Belfast to Donegal Airport (CFN)

  • April is the quietest time of year to travel to Donegal. Alternatively, join the crowds and get away in July. This is the most popular month for flights from Belfast to Donegal Airport, but the best time to go is up to you.

  • The warmest month in Donegal is July, with temperatures ranging between 9ºC and 20ºC. Book your flights from Belfast to CFN in this month if you enjoy this type of weather.

  • January has average temperatures of between 0ºC and 8ºC. Look for cheap flights from Belfast to Donegal Airport around that time if you like travelling in cooler conditions.

More about Donegal

  • When it comes to searching for somewhere to rest your head, you'll find the top stays in Donegal right here. Check out these hotels after you've booked your flight from Belfast to Donegal Airport:

  • There are so many things to explore in this city it can be tricky to work out where to begin. Donegal Castle, Abbey of the Four Masters (The Abbey) and Donegal Railway Heritage Centre are leading attractions which should feature on every Donegal itinerary.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.