Cheap flights from Donegal to Dublin

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Flight deals from Donegal to Dublin

Looking for a cheap last-minute deal or the best return flight from Donegal Airport to Dublin Airport? If you want to travel next month, return fares start from P5,761. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Donegal to Dublin

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

Direct flights from Donegal to Dublin

Donegal to Dublin: Alternative routes

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

Donegal to Dublin: Flight information

The things to know before you go.
Cheapest flight foundP2,880
Cheapest month to flyJuly
Average flight time55 mins
Most popular airlineAer Lingus
Average flights per week51

Finding cheap flights from Donegal to Dublin: Frequently asked questions

The best price we found for a return flight from Donegal to Dublin is P5,565. 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.
55 minutes is the average flight time from Donegal to Dublin.
Aer Lingus, Emerald Airlines and British Airways fly direct from Donegal to Dublin.
As of June 2026, there are 51 flights per week flying from Donegal to Dublin.
The cheapest month to fly from Donegal to Dublin is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Donegal Airport to Dublin Airport on Thursday, 29 October 2026.
Yes – the average flight time is 55 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 Dublin 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 Dublin 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 Dublin.

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

  • The average time for a direct flight from Donegal Airport to Dublin Airport is 55 minutes.

  • Donegal and Dublin share the same timezone, UTC+0.

  • Flights from CFN to DUB start at 07:55 — the first with Aer Lingus. The last service of the day is at 14:30 with Aer Lingus. Overall, you can take your pick of eight weekly Donegal Airport to Dublin Airport flights.

  • Leave enough time to catch your CFN to DUB flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during peak periods in general.

  • Aer Lingus is your ticket to exploring Dublin (and perhaps some other exciting corners of Ireland!). Browse the direct flights from Donegal Airport to Dublin Airport offered by this airline.

  • Aer Lingus is the airline with the highest passenger demand for this route.

  • The most punctual carrier that operates CFN to DUB flights is Aer Lingus. Its services land without delay 72.12% of the time.

  • If you'd like to explore another city along the way, search for a flight with a stopover. To see your options for tickets from Donegal Airport to Dublin Airport, deselect 'Direct flights only.' Glasgow Intl Airport is a popular stop between CFN and DUB.

Handy information about Donegal Airport (CFN)

  • When it comes to Donegal Airport's on-time performance, data shows 72% of flights stick to their scheduled arrival time.

  • Central Donegal to Donegal Airport is approximately 72 kilometers. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • The trip on public transport will take about 1 hour.

  • Have an early flight from Donegal Airport to Dublin Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near CFN:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • From Dublin Airport, Dublin is approximately 11 kilometers away. It takes around 25 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey of about 30 minutes.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Donegal Airport to Dublin Airport is March, while July is the most popular. Choose the ideal time to visit Dublin based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from Donegal Airport to Dublin Airport for July if you'd like to explore Dublin during its warmest month. You can expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).

  • Search for cheap tickets from CFN to DUB in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 2ºC (36ºF) and 9ºC (48ºF) on average.

Explore more of Ireland

  • Dublin is always a good idea, but there are so many other corners of Ireland waiting to be discovered. Around 225 kilometers south-west of Dublin, a trip to Cork will keep you busy. Start with attractions like Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

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