$45 Flights from Dublin (DUB) to Donegal (CFN)

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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 round-trip flight from Dublin to Donegal? Find the lowest prices on one-way and round-trip tickets right here.

Donegal.$45 per passenger.Departing Sat, Feb 28.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Sat, Feb 28, arriving in Donegal.Price includes taxes and charges.From $45, select.

Donegal.$45 per passenger.Departing Thu, Mar 5.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Thu, Mar 5, arriving in Donegal.Price includes taxes and charges.From $45, select.

Donegal.$52 per passenger.Departing Sun, Jul 5.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Sun, Jul 5, arriving in Donegal.Price includes taxes and charges.From $52, select.

Donegal.$52 per passenger.Departing Fri, Aug 14.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Fri, Aug 14, arriving in Donegal.Price includes taxes and charges.From $52, select.

Donegal.$52 per passenger.Departing Sun, Jun 14.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Sun, Jun 14, arriving in Donegal.Price includes taxes and charges.From $52, select.

Donegal.$52 per passenger.Departing Fri, Apr 3.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Fri, Apr 3, arriving in Donegal.Price includes taxes and charges.From $52, select.

Donegal.$52 per passenger.Departing Fri, May 1.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departing from Dublin on Fri, May 1, arriving in Donegal.Price includes taxes and charges.From $52, select.

Find the cheapest month to fly from Dublin to Donegal from $45 one-way

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 February.

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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.

Donegal

28 miles from central Donegal

ClosestCheapest

from $45

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Derry

47 miles from central Donegal

from $49

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Dublin to Donegal: Flight information

The things to know before you go.

Cheapest flight found	$45
Cheapest month to fly	March
Average flight time	1 hr, 4 mins
Most popular airline	Aer Lingus
Average flights per week	21

Check out these Donegal hotels

Ready to plan your stay? Other travelers rate these Donegal hotels for cleanliness, service, and location.

Caisleain Oir Hotel

1.56 miles from Donegal

$113

Per night

Caisleain Oir Hotel

1.56 miles from Donegal

$113

Per night

Explore top-rated hotels

Finding cheap flights from Dublin to Donegal: Frequently asked questions

How much are round-trip flights from Dublin to Donegal?

The best price we found for a round-trip flight from Dublin to Donegal is $92. 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.

How long does it take to fly from Dublin to Donegal?

1 hour and 4 minutes is the average flight time from Dublin to Donegal.

Which airlines fly direct from Dublin to Donegal?

Aer Lingus, Emerald Airlines and British Airways fly direct from Dublin to Donegal.

How many flights are there a week from Dublin to Donegal?

There are 21 flights per week flying from Dublin to Donegal, as of February 2026.

When is the cheapest time to fly from Dublin to Donegal?

The cheapest month to fly from Dublin to Donegal is usually February.

Which upcoming date is cheapest to fly from Dublin Airport to Donegal Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Donegal Airport on Saturday, February 21, 2026.

Can I get a direct flight from Dublin Airport to Donegal Airport?

Yes – the average flight time is 1 hour and 4 minutes.

How can I find the best flight deal to Donegal?

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.

When is the best time to book flights to Donegal?

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.

Which is the cheapest airline to fly with from Dublin Airport to Donegal?

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.
Traveling 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.
Traveling 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 $45. A return ticket is currently $92. 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 13 miles from the airport to the city center.
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 45 miles from central Donegal. Driving there takes about 1 hour 5 minutes.
It takes around 4 hours 10 minutes if you're traveling 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 48ºF to 68ºF.
If you like cooler conditions, search for a cheap ticket from DUB to CFN in January. Temperatures average between 32ºF and 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 120 miles 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 190 miles 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.