$46 Cheap Flights from Dublin (DUB) to Donegal (CFN)

View $46 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Donegal (CFN)

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Cheap Flights from Dublin to Donegal (DUB-CFN)

Prices were available within the past 7 days and start at $46 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Jan 5 - Wed, Jan 14
DUB
Dublin
CFN
Donegal
$94 Roundtrip, found 1 day ago
$94
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Jan 5 from Dublin to Donegal, returning Wed, Jan 14, priced at $94 found 1 day ago
Aer Lingus
Sat, Jan 24 - Thu, Feb 5
DUB
Dublin
CFN
Donegal
$94 Roundtrip, found 2 hours ago
$94
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Sat, Jan 24 from Dublin to Donegal, returning Thu, Feb 5, priced at $94 found 2 hours ago
Aer Lingus
Wed, Dec 31 - Wed, Jan 7
DUB
Dublin
CFN
Donegal
$127 Roundtrip, just found
$127
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 31 from Dublin to Donegal, returning Wed, Jan 7, priced at $127 just found
Aer Lingus
Wed, Dec 31 - Wed, Jan 7
DUB
Dublin
CFN
Donegal
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 31 from Dublin to Donegal, returning Wed, Jan 7, priced at $154 just found
Aer Lingus
Tue, Feb 17 - Sun, Feb 22
DUB
Dublin
CFN
Donegal
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Tue, Feb 17 from Dublin to Donegal, returning Sun, Feb 22, priced at $293 found 2 days ago
Aer Lingus
Sat, Jan 24 - Thu, Feb 5
DUB
Dublin
CFN
Donegal
$294 Roundtrip, found 2 hours ago
$294
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Sat, Jan 24 from Dublin to Donegal, returning Thu, Feb 5, priced at $294 found 2 hours ago
Aer Lingus
Wed, Dec 31 - Wed, Jan 7
DUB
Dublin
CFN
Donegal
$314 Roundtrip, just found
$314
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 31 from Dublin to Donegal, returning Wed, Jan 7, priced at $314 just found
Aer Lingus
Wed, Dec 31 - Wed, Jan 7
DUB
Dublin
CFN
Donegal
$327 Roundtrip, just found
$327
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 31 from Dublin to Donegal, returning Wed, Jan 7, priced at $327 just found

Alternative airports near Donegal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Donegal CFN. Cheapest option available. Average driving time to city center is 1 hour 4 minutes. Flights from $94
CFN
Donegal
Cheapest
Average driving time to city center1 h 4 min
Flights from $94

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Donegal Airport (CFN) cost?
Grab a cheap one-way flight from $46 or cheap return flight from $94 from Dublin Airport (DUB) to Donegal Airport (CFN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Donegal Airport (CFN)?
The cheapest month to fly from DUB to CFN is January, when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Dublin Airport (DUB) to Donegal Airport (CFN)?
When setting off from Dublin Airport (DUB), you can board a nonstop flight to Donegal Airport (CFN) with Aer Lingus.
What is the cheapest airline that flies from Dublin Airport (DUB) to Donegal Airport (CFN)?
To find the cheapest airline that'll fly you from DUB to CFN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Dublin Airport (DUB) to Donegal Airport (CFN)?
Daily, an average of 2 nonstop flights take off from Dublin Airport (DUB) to Donegal Airport (CFN). Pick the departure time that best fits your itinerary.
What are the most popular departure times for flights from Dublin Airport (DUB) to Donegal Airport (CFN)?
Flights between DUB and CFN tend to be busiest at 11 AM. If you'd like a more relaxed atmosphere and potentially cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from DUB to CFN?
Travel on a Friday if you're searching for the best selection of flights from Dublin Airport (DUB) to Donegal Airport (CFN).
What is the earliest flight from Dublin Airport (DUB) to Donegal Airport (CFN)?
Hop on the earliest flight at around 11:45AM UTC+0, heading out of Dublin Airport (DUB). You'll be flying for about 1h 5m, reaching Donegal Airport (CFN) at approximately 12:50PM UTC+0.
How long does it take to fly from Dublin Airport (DUB) to Donegal Airport (CFN)?
The average flight duration from DUB to CFN is 1 hour and 7 minutes, covering a total distance of 140 mi.
What is the best time to fly from Dublin Airport (DUB) to Donegal Airport (CFN)?
To avoid potential delays on the Dublin Airport (DUB) to Donegal Airport (CFN) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Annagry from Dublin Airport (DUB)?
Compare your flight options from Dublin Airport (DUB) to Donegal Airport (CFN). This is the only Annagry airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Donegal Airport (CFN) last-minute?
Booking your plane ticket from DUB to CFN just before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DUB to CFN flight and hotel package?
Compared with arranging hotels and flights separately, booking a DUB to CFN flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Donegal Airport (CFN)?
Typically, you're able to reschedule or cancel your DUB to CFN flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
Dublin
Destination airport
Donegal
Airlines serving
Aer Lingus
Roundtrip price
$93
Distance
140 mi
Average flight time
1 hour 7 mins

Book with confidence

Dublin to Donegal Flights

The cheapest times to fly from Dublin to Donegal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Donegal are during the month of January. You can find some of the cheapest flights from Dublin to Donegal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Donegal

Sunday is one of the best days to book for cheap flights from Dublin to Donegal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Donegal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Donegal in 2026. You can also book with separate airlines for your outbound and return journeys, from $46 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Donegal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Donegal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dublin to Donegal Flights

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*Available to One Key members.