Cheap Flights from Dublin to Donegal

Compare Dublin 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 Dublin to Donegal

Looking for a cheap last-minute deal or the best return flight from Dublin to Donegal? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to Donegal

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

Direct flights from Dublin to Donegal

Dublin to Donegal: Alternative routes

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

Dublin to Donegal: Flight information

The things to know before you go.
Cheapest flight foundR 690
Cheapest month to flyAugust
Average flight time1 hr, 4 mins
Most popular airlineQatar Airways
Average flights per week58

Finding cheap flights from Dublin to Donegal: Frequently asked questions

The best price we found for a return flight from Dublin to Donegal is R 1,386. 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.
1 hour and 4 minutes is the average flight time from Dublin to Donegal.
Qatar Airways, Aer Lingus and Emerald Airlines fly direct from Dublin to Donegal.
As of July 2025, there are 58 flights per week flying from Dublin to Donegal.
The cheapest month to fly from Dublin to Donegal is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Donegal Airport on Tuesday, 19 August 2025.
Yes – the average flight time is 1 hour and 4 minutes.
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, Aer Lingus offers the cheapest flight tickets to Donegal.

Flying from Dublin Airport (DUB) to Donegal Airport (CFN): what you need to know

  • The average time for a direct flight from Dublin Airport to Donegal Airport is 1 hour 5 minutes.

  • Dublin and Donegal are both in the UTC+0 timezone. That means you won't have to adjust your watch after you land.

  • Flights from DUB to CFN start from 11:45 — the first with Aer Lingus. The latest departure is at 18:50 with Aer Lingus. Overall, you can take your pick of 40 weekly Dublin Airport to Donegal Airport flights.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your DUB to CFN flight.

  • Travelling during a peak month like August? Major public holidays and other high seasons can mean longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Travelling to Donegal (and then seeing more of Ireland!) is a snap with Aer Lingus. This popular airline offers direct flights from Dublin Airport to Donegal Airport.

  • The airline that passengers book most often on this route is Aer Lingus.

  • Among carriers operating DUB to CFN flights, Aer Lingus has the highest percentage of on-time landings.

  • Choose a stopover if you prefer to break up your flight. Simply uncheck 'Direct flights only' to look at all your options for tickets from Dublin Airport to Donegal Airport. Glasgow International Airport is a top stopover on the DUB to CFN route.

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

  • The cheapest price we've found for a one-way Dublin Airport to Donegal Airport flight is R 690. A return ticket is currently R 1,386. Depending on the availability and when you book, these fares could change.

  • To secure cheap tickets from DUB to CFN, reserve your trip six months ahead of your departure.

  • May is the cheapest month for flights from Dublin Airport to Donegal Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Picking up cheap flights from DUB to CFN couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Tailor your trip using filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Dublin Airport to Donegal Airport.

Handy information about Dublin Airport (DUB)

  • 72.87% of flights departing from Dublin Airport make it to their destination on time.

  • To get to Dublin Airport from central Dublin, it'll take around 30 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 21 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 2 hours 10 minutes.

  • Searching for a handy hotel near DUB? If you're boarding an early flight from Dublin Airport to Donegal Airport, these stays will put you moments from your departure gate:

Arriving at Donegal Airport (CFN)

  • The last thing you need is a long journey to your hotel if you're getting in late on a Dublin Airport to Donegal Airport flight. Book one of these accommodation options near CFN instead:

  • Travel at your own pace with a Donegal Airport rental car. Book your wheels from Enterprise, Europcar or Keddy By Europcar and experience more of Donegal and beyond.

  • Reserve your ride from Donegal Airport at least a few weeks before your trip to get the best possible rate. If you're going away during peak season, it's wise to book even earlier.

Getting from Donegal Airport (CFN) to central Donegal

  • Donegal Airport is roughly 72 kilometres from central Donegal. Driving there takes about 1 hour 5 minutes.

  • It takes around 4 hours 10 minutes if you're travelling on public transport.

When to fly to Donegal Airport (CFN)

  • July is the busiest month for flights from Dublin Airport to Donegal Airport. To skip the crowds, head to Donegal in April.

  • Before locking in your flight from Dublin Airport to Donegal Airport, consider the kind of weather you enjoy. July is the warmest month in Donegal, with temperatures ranging from 9ºC (48ºF) to 20ºC (68ºF).

  • If you like cooler conditions, search for a cheap ticket from DUB to CFN in January. Temperatures average between 0ºC (32ºF) and 8ºC (46ºF) then.

Explore more of Ireland

  • Donegal has its own special appeal, but there are so many other parts of Ireland waiting to be discovered. Around 193 kilometres south-east of Donegal, a visit to Dublin will keep you on the go. Don't miss top attractions like Guinness Storehouse, Trinity College Library and Dublin Castle.

  • Around 306 kilometres south of Donegal, Cork is another essential stop in Ireland. No visit is complete without checking out Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

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