C$133 Cheap Flights from Dublin (DUB) to Donegal (CFN)

Compare Dublin to Donegal flight deals

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

Book the best Donegal fare with no extra fees

Flight deals from Dublin to Donegal

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Donegal Airport? If you want to travel next month, return fares start from C$134. Find the lowest prices on one-way and return tickets right here.

Donegal.C$70 per passenger.Departing Fri., Jul. 3.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Fri., Jul. 3, arriving in Donegal.Price includes taxes and charges.From C$70, select.

Donegal.C$70 per passenger.Departing Mon., May 4.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon., May 4, arriving in Donegal.Price includes taxes and charges.From C$70, select.

Donegal.C$70 per passenger.Departing Mon., Aug. 24.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon., Aug. 24, arriving in Donegal.Price includes taxes and charges.From C$70, select.

Donegal.C$70 per passenger.Departing Thu., Jun. 25.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu., Jun. 25, arriving in Donegal.Price includes taxes and charges.From C$70, select.

Donegal.C$71 per passenger.Departing Fri., Apr. 24.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Fri., Apr. 24, arriving in Donegal.Price includes taxes and charges.From C$71, select.

Donegal.C$71 per passenger.Departing Tue., Sep. 1.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Tue., Sep. 1, arriving in Donegal.Price includes taxes and charges.From C$71, select.

Donegal.C$80 per passenger.Departing Sat., Dec. 12.One-way flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat., Dec. 12, arriving in Donegal.Price includes taxes and charges.From C$80, select.

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 May.

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Which airlines fly 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

45km from central Donegal

Closest

from C$70

Search flights

Derry

75km from central Donegal

Cheapest

from C$68

Search flights

Dublin to Donegal: Flight information

The things to know before you go.

Cheapest flight found	C$70
Cheapest month to fly	May
Average flight time	1 hr, 9 mins
Most popular airline	Aer Lingus
Average flights per week	50

Finding cheap flights from Dublin to Donegal: Frequently asked questions

How much are return flights from Dublin to Donegal?

The best price we found for a return flight from Dublin to Donegal is C$133. 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 9 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?

As of April 2026, there are 50 flights per week flying from Dublin to Donegal.

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

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

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 Thursday, August 27, 2026.

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

Yes – the average flight time is 1 hour and 9 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 from Dublin Airport to Donegal with?

Currently, Aer Lingus offers the cheapest flight tickets to Donegal.

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

A direct flight from Dublin Airport to Donegal Airport takes 1 hour 6 minutes (on average). Donegal's timezone is UTC+0 — the same as Dublin.
You can choose from 40 weekly flights from Dublin Airport to Donegal Airport. The 07:55 departure with Aer Lingus is the earliest flight available between DUB and CFN. Aer Lingus operates the last service of the day at 18:50 if you're not into early starts.
You'll likely experience longer queues during popular months like August and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a smart move.
Aer Lingus is your gateway to exploring Donegal (and maybe even some other exciting corners of Ireland!). Browse the direct flights from Dublin Airport to Donegal Airport offered by this popular carrier.
Finding a stopover on flights from Dublin Airport to Donegal Airport is simple with our handy search tool. Just deselect 'Direct flights only' to see all the available options. Glasgow International Airport is a sought-after stopover when traveling from DUB to CFN.
You won't need your passport or a visa to travel within Ireland. You will need a valid proof of identity however, such as a driver's license or an ID card. Add them to your packing list once you've booked cheap ticket from DUB to CFN.

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

The lowest price we've seen for a one-way ticket from Dublin Airport to Donegal Airport is C$70. For a return flight on this route, the best price is C$133. Depending on the availability when you book, these fares may change.
To get cheap flight tickets from DUB to CFN, reserve your journey 9 months before your departure.
Organize your trip for May. That's the cheapest month for flight tickets from Dublin Airport to Donegal Airport. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest airfare across every month.
Getting a cheap ticket from DUB to CFN is straightforward with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has dropped.
Take advantage of filters to find the ideal journey for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Dublin Airport to Donegal Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Dublin Airport (DUB)

Dublin Airport is about 21 kilometres from central Dublin. If you're catching a cab, driving or ride-sharing from the center, it'll take you 29 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be approximately 2 hours and 9 minutes.
Want a convenient hotel close to DUB? If you're on an early flight from Dublin Airport to Donegal Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Donegal Airport (CFN)

Book a hotel near CFN if you're taking a late flight from Dublin Airport to Donegal Airport. Settle into one of these options and avoid the hassle of a long transfer:

Getting from Donegal Airport (CFN) to central Donegal

Donegal Airport is approximately 72 kilometres from central Donegal. With a car rental or if you're catching a cab, the drive is around 1 hour and 4 minutes.
If you're traveling by public transport, expect a journey of around 4 hours and 10 minutes.

When to fly to Donegal Airport (CFN)

It's time to pick your trip dates for your flight from Dublin Airport to Donegal Airport. July is the most popular month to visit Donegal. If you want a quieter vibe, go in April.
The warmest month in Donegal is July, with temperatures ranging between 9ºC and 20ºC. Book your flights from Dublin Airport to Donegal Airport in this month if this is the type of weather you like.
January sees average temperatures of between 0ºC and 8ºC. Look for cheap flight tickets from DUB to CFN sometime then if you like traveling in cooler conditions.

More about Donegal

Start your Donegal trip right by finding a wonderful stay. As soon as you've booked your flight from DUB to CFN, have a look at our selection of accommodation options including:
All great vacations should include some sightseeing. Donegal Castle, Abbey of the Four Masters (The Abbey) and Donegal Railway Heritage Centre are must-have experiences during your Donegal visit.

Complete your Donegal trip with hotels and a car rental

Once you've secured your cheap ticket to Donegal Airport, explore the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to get the best car rental price for your Donegal vacation.