Cheap flights to County Donegal

View €39 flight on Fri, 16 Jan 2026Opens in a new window

Popular airlines to County Donegal

  • Aer Lingus

    Aer Lingus

  • British Airways

    British Airways

  • Loganair

    Loganair

  • Qatar Airways

    Qatar Airways

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to County Donegal

Prices were available within the past 7 days and start at €39 for one-way flights and €80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 15 Jan - Thu, 29 Jan
DUB
Dublin
CFN
Donegal
€80 Return, just found
€80
Return
just found
Select Aer Lingus flight, departing Thu, 15 Jan from Dublin to Donegal, returning Thu, 29 Jan, priced at €80 just found
Aer Lingus
Mon, 29 Dec - Sun, 4 Jan
DUB
Dublin
CFN
Donegal
€97 Return, just found
€97
Return
just found
Select Aer Lingus flight, departing Mon, 29 Dec from Dublin to Donegal, returning Sun, 4 Jan, priced at €97 just found
Aer Lingus
Mon, 29 Dec - Sun, 4 Jan
DUB
Dublin
CFN
Donegal
€103 Return, just found
€103
Return
just found
Select Aer Lingus flight, departing Mon, 29 Dec from Dublin to Donegal, returning Sun, 4 Jan, priced at €103 just found
Aer Lingus
Mon, 22 Dec - Mon, 29 Dec
DUB
Dublin
CFN
Donegal
€108 Return, found 1 hour ago
€108
Return
found 1 hour ago
Select Aer Lingus flight, departing Mon, 22 Dec from Dublin to Donegal, returning Mon, 29 Dec, priced at €108 found 1 hour ago
Aer Lingus
Fri, 19 Dec - Mon, 22 Dec
DUB
Dublin
CFN
Donegal
€113 Return, found 11 hours ago
€113
Return
found 11 hours ago
Select Aer Lingus flight, departing Fri, 19 Dec from Dublin to Donegal, returning Mon, 22 Dec, priced at €113 found 11 hours ago
Aer Lingus
Sat, 27 Dec - Sun, 28 Dec
DUB
Dublin
CFN
Donegal
€114 Return, found 2 days ago
€114
Return
found 2 days ago
Select Aer Lingus flight, departing Sat, 27 Dec from Dublin to Donegal, returning Sun, 28 Dec, priced at €114 found 2 days ago
Aer Lingus
Fri, 19 Dec - Mon, 22 Dec
DUB
Dublin
CFN
Donegal
€118 Return, found 11 hours ago
€118
Return
found 11 hours ago
Select Aer Lingus flight, departing Fri, 19 Dec from Dublin to Donegal, returning Mon, 22 Dec, priced at €118 found 11 hours ago
Aer Lingus
Mon, 29 Dec - Sun, 4 Jan
DUB
Dublin
CFN
Donegal
€120 Return, just found
€120
Return
just found
Select Aer Lingus flight, departing Mon, 29 Dec from Dublin to Donegal, returning Sun, 4 Jan, priced at €120 just found
British Airways
Sat, 31 Jan - Sat, 7 Feb
EDI
Edinburgh
CFN
Donegal
€520 Return, found 1 day ago
€520
Return
found 1 day ago
Select British Airways flight, departing Sat, 31 Jan from Edinburgh to Donegal, returning Sat, 7 Feb, priced at €520 found 1 day ago
Qatar Airways
Fri, 9 Jan - Sun, 11 Jan
PER
Perth
CFN
Donegal
€2,415 Return, found 12 hours ago
€2,415
Return
found 12 hours ago
Select Qatar Airways flight, departing Fri, 9 Jan from Perth to Donegal, returning Sun, 11 Jan, priced at €2,415 found 12 hours ago

About County Donegal

Expedia offers flights to County Donegal to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to County Donegal or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to County Donegal that have flexible change policies?
Search for low-cost flights to County Donegal, then check the "No change fee" box under the "Flexible change policies" subheading. It's that easy. We get that travel plans can change and flexibility is important, so book with confidence with Expedia.
How can I find cheap tickets to County Donegal?
An effective strategy for scoring cheap fares is to be flexible with your dates. Start by searching for your flight to County Donegal, then click on the "flexible dates" link to see prices for nearby days. Another tip? Book well ahead of time. To give you an idea of costs, €80 was the best price for a flight to County Donegal in the last seven days.
How much is a flight to County Donegal?
One-way flights departing from Dublin (DUB) sold for as low as €39 in the last seven days. During this period, the cost of a return ticket to County Donegal ranged between €80 and €2,415. If you find a bargain, book as fast as you can — these prices don't stick around.
How much is a plane ticket to County Donegal?
Ticket prices varied from €80 to €2,415 over the last seven days. When you're ready to book, we'll be ready to help you find an amazing deal to County Donegal.
What is the best time to go to County Donegal?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are an excellent time to visit the major County Donegal city of Letterkenny. Average temperatures vary between 10ºC and 18ºC across the season. The biggest crowds are found here in February, April and May.
What months are the cheapest to book a flight to County Donegal?
To secure a bargain flight to County Donegal, try to book during February when the price of airfares are at their cheapest. When do tickets cost the most? In the U.S, it's the month of December.

Trending flights to County Donegal

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 15 Jan - Thu, 29 Jan
DUB
Dublin
CFN
Donegal
€80 Return, just found
€80
Return
just found
Select Aer Lingus flight, departing Thu, 15 Jan from Dublin to Donegal, returning Thu, 29 Jan, priced at €80 just found
*Available to Expedia members.