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Flights to Donegal

€36 Cheap flights to Donegal

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Donegal departing on 1/7. 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 - 20:00
DUB
-
CFN
1h 10mdirect
Aer Lingus Logo
07:55 - 08:50
CFN
-
DUB
0h 55mdirect
€75Aer Lingus
Tue, 12 May - Tue, 19 May
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
14:30 - 15:30
CFN
-
DUB
1h 00mdirect
€75Aer Lingus
Thu, 14 May - Thu, 21 May
Aer Lingus Logo
18:50 - 20:00
DUB
-
CFN
1h 10mdirect
Aer Lingus Logo
07:55 - 08:50
CFN
-
DUB
0h 55mdirect
€79Aer Lingus
Tue, 12 May - Tue, 19 May
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
14:30 - 15:30
CFN
-
DUB
1h 00mdirect
€81Aer Lingus
Thu, 14 May - Mon, 18 May
Aer Lingus Logo
18:50 - 20:00
DUB
-
CFN
1h 10mdirect
Aer Lingus Logo
14:30 - 15:30
CFN
-
DUB
1h 00mdirect
€82Aer Lingus
Tue, 28 Apr - Fri, 1 May
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
07:55 - 08:50
CFN
-
DUB
0h 55mdirect
€84Aer Lingus
Tue, 5 May - Tue, 19 May
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
07:55 - 08:50
CFN
-
DUB
0h 55mdirect
€85Aer Lingus
Thu, 14 May - Thu, 21 May
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
14:30 - 15:25
CFN
-
DUB
0h 55mdirect
€98Aer Lingus
Fri, 31 Jul - Sun, 23 Aug
Aer Lingus Logo
12:55 - 14:00
DUB
-
CFN
1h 05mdirect
Aer Lingus Logo
14:30 - 15:25
CFN
-
DUB
0h 55mdirect
€99Aer Lingus
Fri, 31 Jul - Sun, 23 Aug
Multiple Airlines Logo
06:15 - 18:45
DUB
-
CFN
12h 30m
1 stop
Multiple Airlines Logo
07:55 - 08:50
CFN
-
DUB
0h 55mdirect
€182Multiple Airlines
Sun, 12 Jul - Wed, 15 Jul

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 17 April 2026.
Use the filters below to find and compare flights to Donegal that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Tue 12/5

18:50-20:00

Nonstop1h 10m

Donegal

Tue 19/5

07:55-08:50

Nonstop0h 55m

€75

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 14/5

12:55-14:00

Nonstop1h 05m

Donegal

Thu 21/5

14:30-15:30

Nonstop1h 00m

€75

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Tue 12/5

18:50-20:00

Nonstop1h 10m

Donegal

Tue 19/5

07:55-08:50

Nonstop0h 55m

€79

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 14/5

12:55-14:00

Nonstop1h 05m

Donegal

Mon 18/5

14:30-15:30

Nonstop1h 00m

€81

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Tue 28/4

18:50-20:00

Nonstop1h 10m

Donegal

Fri 1/5

14:30-15:30

Nonstop1h 00m

€82
Fastest return journey

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Tue 5/5

12:55-14:00

Nonstop1h 05m

Donegal

Tue 19/5

07:55-08:50

Nonstop0h 55m

€84

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Thu 14/5

12:55-14:00

Nonstop1h 05m

Donegal

Thu 21/5

07:55-08:50

Nonstop0h 55m

€85

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Fri 31/7

12:55-14:00

Nonstop1h 05m

Donegal

Sun 23/8

14:30-15:25

Nonstop0h 55m

€98

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Fri 31/7

12:55-14:00

Nonstop1h 05m

Donegal

Sun 23/8

14:30-15:25

Nonstop0h 55m

€99

DublinDonegal

DUB - CFN

DUBCFN

Dublin

Sun 12/7

06:15-18:45

1 stop12h 30m

Donegal

Wed 15/7

07:55-08:50

Nonstop0h 55m

€182

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 €69. If you’re not able to fly to Donegal in September, then January is your next best option. Flight prices from Ireland to Donegal during January average around €78.

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

Our data shows that Thursday is the least expensive day to fly to Donegal. Tickets to fly out on this day can be as low as €83. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Donegal on Friday is €171.

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

Our most recent data shows that the best time of day to fly to Donegal is in the morning. Flights from Ireland to Donegal during this time can be as low as €83. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €171 on average. Flights to Donegal from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap Donegal flight deals and tips

Summary info about Donegal flight prices, duration and airlines

Best One-Way Price

€36

Best Round-Trip Price

€75

Fastest flight time

1h 05m

Popular in

April
The best one-way flight price to Donegal from Ireland in the last 72 hours is €36 (Dublin to Donegal).
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The best round-trip flight price to Donegal from Ireland in the last 72 hours is €75 (Dublin to Donegal).
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The fastest flight to Donegal from Ireland takes 1h 05m (Dublin to Donegal).
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April has the highest demand for flights to Donegal, with a 20% price increase on average.
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Frequently asked questions about flying to Donegal

Is there an alternative airport near Donegal?

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

Is there a cheaper alternative to flying into Donegal?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Donegal is Knock Intl Airport where the average price is €17. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

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 Donegal is 1h 05m on average, while flying from Cork to Donegal is on average. Donegal 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 April 2026, 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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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 €88