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

View $46 flight on Tue, Nov 11, 2025Opens in a new window

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

Cheap Flights from Donegal to Dublin (CFN-DUB)

Prices were available within the past 7 days and start at $46 for one-way flights and $202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Nov 13 - Mon, Nov 17
CFN
Donegal
DUB
Dublin
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Nov 13 from Donegal to Dublin, returning Mon, Nov 17, priced at $202 found 3 days ago
Aer Lingus
Sat, Nov 22 - Sun, Nov 23
CFN
Donegal
DUB
Dublin
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Sat, Nov 22 from Donegal to Dublin, returning Sun, Nov 23, priced at $202 found 4 days ago
Aer Lingus
Sun, Nov 23 - Sun, Nov 30
CFN
Donegal
DUB
Dublin
$203 Roundtrip, found 5 days ago
$203
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, Nov 23 from Donegal to Dublin, returning Sun, Nov 30, priced at $203 found 5 days ago
Aer Lingus
Thu, Nov 13 - Mon, Nov 17
CFN
Donegal
DUB
Dublin
$215 Roundtrip, found 3 days ago
$215
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Nov 13 from Donegal to Dublin, returning Mon, Nov 17, priced at $215 found 3 days ago

Frequently asked questions

How much does a flight from Donegal Airport (CFN) to Dublin Airport (DUB) cost?
Lock in a cheap one-way flight from $46 or cheap return flight from $202 from Donegal Airport (CFN) to Dublin Airport (DUB) 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 Donegal Airport (CFN) to Dublin Airport (DUB)?
Traveling in November is a great way to save, as it's the cheapest month for flights between CFN and DUB. You'll usually find the lowest fares during the off-season.
Which airlines fly direct from Donegal Airport (CFN) to Dublin Airport (DUB)?
When heading out of Donegal Airport (CFN), you can catch a direct flight to Dublin Airport (DUB) with Aer Lingus.
What is the cheapest airline that flies from Donegal Airport (CFN) to Dublin Airport (DUB)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from CFN to DUB. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Donegal Airport (CFN) to Dublin Airport (DUB)?
With an average of 2 nonstop flights departing from Donegal Airport (CFN) to Dublin Airport (DUB) each day, you'll be soaring through the skies in no time.
What are the most popular departure times for flights from Donegal Airport (CFN) to Dublin Airport (DUB)?
The 1 PM departures from CFN to DUB are the top choice for many travelers. They can also be more expensive. If you want to save money, book during off-peak hours.
What day of the week has the most flights from CFN to DUB?
Fly on a Saturday if you're after the largest selection of flights from Donegal Airport (CFN) to Dublin Airport (DUB).
What is the earliest flight from Donegal Airport (CFN) to Dublin Airport (DUB)?
Catch the earliest flight at around 7:55AM UTC+0, departing from Donegal Airport (CFN). You'll be in the air for roughly 55m, arriving at Dublin Airport (DUB) at approximately 8:50AM UTC+0.
How long does it take to fly from Donegal Airport (CFN) to Dublin Airport (DUB)?
The average flight time from CFN to DUB is 57 minutes, covering a distance of 140 mi.
What airline has the least delays from CFN to DUB?
Consider booking with British Airways if you'd like to go straight from Donegal Airport (CFN) to Dublin Airport (DUB) without any holdups. This carrier has the best track record for punctuality, with an on-time performance of 86%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Donegal Airport (CFN) to Dublin Airport (DUB)?
Opt for a flight from Donegal Airport (CFN) to Dublin Airport (DUB) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**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 Dublin from Donegal Airport (CFN)?
Browse your flight options from Donegal Airport (CFN) to Dublin Airport (DUB). This is the only airport in Dublin you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Donegal Airport (CFN) to Dublin Airport (DUB) last-minute?
Booking your plane ticket from CFN to DUB just before your getaway is generally more expensive. But if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a CFN to DUB flight and hotel package?
Booking a CFN to DUB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Donegal Airport (CFN) to Dublin Airport (DUB)?
If you reserved your CFN to DUB flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Donegal
Destination airport
Dublin
Roundtrip price
$201
Distance
140 mi

Book with confidence

Donegal to Dublin Flights

The cheapest times to fly from Donegal to Dublin

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 Donegal to Dublin are during the month of November. You can find some of the cheapest flights from Donegal to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Donegal to Dublin

Sunday is one of the best days to book for cheap flights from Donegal to Dublin: 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 Donegal to Dublin

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 Donegal to Dublin in 2025. 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 Donegal to Dublin 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 Donegal to Dublin 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.

 

Donegal to Dublin Flights
*Available to One Key members.