138 € Cheap Flights from Cardiff to Donegal

Compare Cardiff to Donegal flight deals

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

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Flight deals from Cardiff Airport to Donegal Airport

Looking for a cheap last-minute deal or the best return flight from Cardiff Airport to Donegal Airport? If you want to travel next month, return fares start from 138 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cardiff to Donegal

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

Cardiff to Donegal: Alternative routes

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

Cardiff to Donegal: Flight information

The things to know before you go.
Cheapest flight found138 €
Cheapest month to flyApril

Finding cheap flights from Cardiff to Donegal: Frequently asked questions

The best price we found for a return flight from Cardiff to Donegal is 138 €. 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 Cardiff to Donegal. But we found flights with one or more stops from 138 €.
As of March 2026, there are no flights flying from Cardiff to Donegal.
The cheapest month to fly from Cardiff to Donegal is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Donegal Airport on Monday, 20 April 2026.
No airlines currently offer direct flights between Cardiff Airport 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.
Currently, Ryanair offers the cheapest flight tickets to Donegal.

Flying from Cardiff Airport (CWL) to Donegal Airport (CFN): what you need to know

  • Donegal's timezone is UTC+0, which is the same as Cardiff.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your CWL to CFN flight.

  • During popular months like June, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.

  • If you'd like to tour a different city along the way, consider a flight with a stopover. To see your options for tickets from Cardiff Airport to Donegal Airport, uncheck 'Direct flights only.' Dublin Airport is a popular stop between CWL and CFN.

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

  • The lowest price we've seen for a one-way Cardiff Airport to Donegal Airport flight is 98 €. A round-trip fare right now is 138 €. Depending on the availability and when you book, these fares may change.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from CWL to CFN if you book ahead. Airlines often offer some amazing early bird rates.

  • The 'Whole month' tool shows you the cheapest flights from Cardiff Airport to Donegal Airport across each month. It's an easy way to find a bargain if your dates aren't set in stone.

  • Getting your hands on cheap flights from CWL to CFN is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your flights with filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Cardiff Airport to Donegal Airport.

Handy information about Cardiff Airport (CWL)

  • Of all flights leaving Cardiff Airport, 66.16% touch down on time at their destination.

  • Central Cardiff to Cardiff Airport is around 27 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Planning to take public transport? You can expect a journey time of around 1 hour 5 minutes.

  • Catching an early flight from Cardiff Airport to Donegal Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels close to CWL:

Arriving at Donegal Airport (CFN)

  • The last thing you want is a long trip to your hotel if you're landing late on a Cardiff Airport to Donegal Airport flight. Book one of these accommodation options near CFN instead:

  • Hit the road running by picking up a Donegal Airport rental car. Grab a set of wheels from Enterprise, Europcar or Keddy By Europcar to explore Donegal and beyond.

  • Improve your chances of snagging the best deal by booking as early as you can. Reserving your ride from Donegal Airport at least a few weeks in advance is a wise move.

Getting from Donegal Airport (CFN) to central Donegal

  • From Donegal Airport, Donegal is approximately 72 kilometres away. It takes around 1 hour 5 minutes to reach the centre by car.

  • Travelling by public transport will take you roughly 4 hours 10 minutes.

When to fly to Donegal Airport (CFN)

  • The quietest month for a flight from Cardiff Airport to Donegal Airport is April, while July is the most popular. Pick the ideal time to visit Donegal based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Donegal is July, with the temperature ranging between 9ºC (48ºF) and 20ºC (68ºF). Lock in your flights from Cardiff Airport to Donegal Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 0ºC (32ºF) and 8ºC (46ºF). Search for cheap tickets from CWL to CFN around that time if you like cooler conditions.

Explore more of Ireland

  • You've seen Donegal, now it's time to explore other parts of Ireland. Journey about 193 kilometres south-east to Dublin to check off its leading sights. From Guinness Storehouse to Trinity College Library and Dublin Castle, you've got a jam-packed schedule ahead.

  • If you're ready to explore another great destination in Ireland, head for Cork, about 306 kilometres south of Donegal. Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.