$31 Cheap Flights from Donegal (CFN) to Dublin (DUB)

View $31 flight on Sat, May 3, 2025Opens in a new window

Featured airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Donegal to Dublin (CFN-DUB)

Prices were available within the past 7 days and start at $31 for one-way flights and $65 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Jun 2 - Sat, Jun 7
CFN
Donegal
DUB
Dublin
$65 Roundtrip, found 3 days ago
$65
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Jun 2 from Donegal to Dublin, returning Sat, Jun 7, priced at $65 found 3 days ago
Aer Lingus
Wed, Jun 4 - Thu, Jun 12
CFN
Donegal
DUB
Dublin
$97 Roundtrip, found 3 days ago
$97
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Wed, Jun 4 from Donegal to Dublin, returning Thu, Jun 12, priced at $97 found 3 days ago
Aer Lingus
Thu, Jul 31 - Mon, Aug 4
CFN
Donegal
DUB
Dublin
$99 Roundtrip, found 2 hours ago
$99
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Thu, Jul 31 from Donegal to Dublin, returning Mon, Aug 4, priced at $99 found 2 hours ago
Aer Lingus
Wed, May 28 - Thu, May 29
CFN
Donegal
DUB
Dublin
$104 Roundtrip, found 3 days ago
$104
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Wed, May 28 from Donegal to Dublin, returning Thu, May 29, priced at $104 found 3 days ago
Aer Lingus
Thu, Jul 31 - Mon, Aug 4
CFN
Donegal
DUB
Dublin
$105 Roundtrip, found 2 hours ago
$105
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Thu, Jul 31 from Donegal to Dublin, returning Mon, Aug 4, priced at $105 found 2 hours ago
Aer Lingus
Mon, Jun 2 - Sat, Jun 7
CFN
Donegal
DUB
Dublin
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Mon, Jun 2 from Donegal to Dublin, returning Sat, Jun 7, priced at $110 found 3 days ago
Aer Lingus
Mon, Jun 2 - Fri, Jun 6
CFN
Donegal
DUB
Dublin
$110 Roundtrip, found 12 hours ago
$110
Roundtrip
found 12 hours ago
Select Aer Lingus flight, departing Mon, Jun 2 from Donegal to Dublin, returning Fri, Jun 6, priced at $110 found 12 hours ago
Aer Lingus
Thu, May 1 - Wed, May 7
CFN
Donegal
DUB
Dublin
$121 Roundtrip, found 6 days ago
$121
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Thu, May 1 from Donegal to Dublin, returning Wed, May 7, priced at $121 found 6 days ago
Aer Lingus
Thu, Jun 5 - Thu, Jun 12
CFN
Donegal
DUB
Dublin
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Jun 5 from Donegal to Dublin, returning Thu, Jun 12, priced at $129 found 3 days ago
Aer Lingus
Thu, Jul 31 - Mon, Aug 4
CFN
Donegal
DUB
Dublin
$136 Roundtrip, found 2 hours ago
$136
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Thu, Jul 31 from Donegal to Dublin, returning Mon, Aug 4, priced at $136 found 2 hours ago
Flights from Donegal (CFN) to Dublin (DUB)
Origin airport
Donegal
Destination airport
Dublin
Airlines serving
Aer Lingus
Roundtrip price
$65
Distance
140 mi

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 June. 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 $31 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.

 

Frequently asked questions

How long does it take to fly from Donegal Airport to Dublin Airport (DUB)?
Book your ticket with Aer Lingus and you can expect to be in the air for around 55 minutes. This top carrier operates a direct flight that leaves at 10:00AM from CFN and touches down at DUB at 10:55AM. Expedia has flight deals that’ll get you soaring, so check out what’s available on this route today.
Is it cheaper to buy a plane ticket from Donegal Airport (CFN) to DUB last minute?
Booking your flight from Donegal Airport (CFN) to Dublin Airport last minute could save you some dough if you’re lucky to find a terrific deal. However, fares usually don’t come down in price closer to the departure date. If you wait, flights could also be sold out or the best seats gone (because no one wants the middle seat). If you’d prefer to play it safe, book well ahead of your departure date. Don’t forget that some of the biggest bargains can be found up to 12 months in advance. If your favorite airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airline has the least delays from CFN to Dublin Airport?
Recording an on-time arrival score of 73%, Aer Lingus is the airline that’s likelier to fly you from CFN to DUB reliably on schedule. Flight delays can be an excuse to linger longer at the airport bar. However, they can also lead to a missed connection that could ruin your entire vacation. You can keep updated about delays by reviewing your flight status through the free Expedia App before heading to the airport. If you’re already at your gate and the delay is lengthy, visit the customer service desk to see what your options are.
What airports do you fly into for Dublin from Annagry?
Flights from Annagry to Dublin touch down at Dublin Airport (DUB). Roughly 6 mi north of the heart of Dublin, it’s the main entryway to this awesome city. When you’re ready to check out the sights, Aviva Stadium and Guinness Storehouse should be first on your to-do list.
What are the most popular departure times for flights from Donegal Airport (CFN) to Dublin Airport (DUB)?
Between 1:00 PM - 2:00 PM is when you’ll find many Aer Lingus flights jetting from Donegal Airport (CFN) to Dublin Airport (DUB). Our suggestion? Take off early. With air traffic yet to build up, your odds of traveling on a delay-free flight are better.
Can I change the date of my flight from CFN to Dublin Airport (DUB)?
You can easily make changes to your Donegal Airport (CFN) to Dublin Airport flight through the Expedia Trips portal. But before doing so, check out the conditions and rules in your itinerary to see what the carrier will let you do and whether fees apply. Some airlines have a change fee per person, on top of any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also swing by our Customer Service portal for more advice and to chat with our Virtual Agent.

Explore a world of travel with Expedia

*Available to One Key members.