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Flights to Donegal

€78 Cheap flights to Donegal

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Donegal departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
18:50 - 20:00DUB-CFN
1h 10mdirect
Aer Lingus Logo
14:30 - 15:30CFN-DUB
1h 00mdirect
€78Aer Lingus
Find Deal
Thu, 1 Jan - Mon, 5 Jan
Multiple Airlines Logo
21:30 - 12:10DUB-CFN
14h 40m2 stops
Multiple Airlines Logo
14:30 - 15:30CFN-DUB
1h 00mdirect
€216Multiple Airlines
Find Deal
Thu, 1 Jan - Mon, 5 Jan
Multiple Airlines Logo
17:15 - 12:10DUB-CFN
18h 55m3 stops
Multiple Airlines Logo
14:30 - 15:30CFN-DUB
1h 00mdirect
€305Multiple Airlines
Find Deal
Thu, 1 Jan - Mon, 5 Jan

momondo Fare Finder

 
Locate flights to Donegal that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 7 November 2025.
Use the filters below to find and compare flights to Donegal that are best for you.

Fly from

Route

Depart

Return

Price

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 1/1

18:50-20:00

Nonstop1h 10m

Donegal

Mon 5/1

14:30-15:30

Nonstop1h 00m

€78

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 1/1

21:30-12:10

2 stops14h 40m

Donegal

Mon 5/1

14:30-15:30

Nonstop1h 00m

€216

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 1/1

17:15-12:10

3 stops18h 55m

Donegal

Mon 5/1

14:30-15:30

Nonstop1h 00m

€305

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Donegal from

Donegal flights insights and trends

Explore insights for your Donegal flight to craft the best travel plan

What is the cheapest month to fly to Donegal?

In general, February is the cheapest month to fly from Ireland to Donegal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €45. If you’re not able to fly to Donegal in February, then March is your next best option. Flight prices from Ireland to Donegal during March average around €54.

What is the cheapest day to depart on your flight to Donegal?

Our data shows that Friday is the least expensive day to fly to Donegal. Tickets to fly out on this day can be as low as €64. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Donegal on Thursday is €65.

Cheap Donegal flight deals and tips

Summary info about Donegal flight prices, duration and airlines

Best Round-Trip Price

€78

Fastest flight time

1h 10m

Popular in

October
The best round-trip flight price to Donegal from Ireland in the last 72 hours is €78 (Dublin to Donegal).
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The fastest flight to Donegal from Ireland takes 1h 10m (Dublin to Donegal).
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October has the highest demand for flights to Donegal, with a 6% price increase on average.
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Frequently asked questions about flying to Donegal

Is there an alternative airport near Donegal?

Donegal Airport or Galway Airport can be an alternative airport used for travel to Donegal.

How long does it take to fly to Donegal?

The average flight duration from Ireland to Donegal depends on which airport you fly into and out of. Flying from Dublin to Knock Intl is 6h 25m on average, while flying from Cork to Knock Intl is on average. Knock Intl is the most popular airport in Donegal.

When did momondo last update prices for flights to Donegal Airport?

Prices for flights to Donegal Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Donegal Airport?

As of November 2025, there is 1 operator available to choose from for flights to Donegal Airport.

How old do you have to be to fly to Donegal Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Donegal Airport.

What documentation or ID do you need to fly to Donegal Airport?

The travel and health documents required for your trip to Donegal Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Donegal Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Letterkenny
Bundoran
Killybegs

Why use momondo?

Why should I use momondo to find a flight deal to Donegal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Donegal.

Can I find flights to Donegal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Donegal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Donegal?

momondo helps you find the best flight to Donegal by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight to Donegal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Donegal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Donegal trip

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Find better results for your trip to Donegal

Popular Flights to Donegal

Popular routes according to searches in the past day on momondo
Dublin to Donegal Flightsfrom €217