Cheap flights to County Donegal

View €39 flight on Fri, 6 Feb 2026Opens in a new window

Popular airlines to County Donegal

  • Aer Lingus

  • British Airways

  • Loganair

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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
Sat, 14 Feb - Sun, 15 Feb
DUB
Dublin
CFN
Donegal
€80 Return, found 2 hours ago
€80
Return
found 2 hours ago
Select Aer Lingus flight, departing Sat, 14 Feb from Dublin to Donegal, returning Sun, 15 Feb, priced at €80 found 2 hours ago
Aer Lingus
Fri, 6 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€81 Return, just found
€81
Return
just found
Select Aer Lingus flight, departing Fri, 6 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €81 just found
Aer Lingus
Thu, 5 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€97 Return, found 12 hours ago
€97
Return
found 12 hours ago
Select Aer Lingus flight, departing Thu, 5 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €97 found 12 hours ago
Aer Lingus
Fri, 6 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€98 Return, just found
€98
Return
just found
Select Aer Lingus flight, departing Fri, 6 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €98 just found
Aer Lingus
Thu, 5 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€103 Return, found 6 hours ago
€103
Return
found 6 hours ago
Select Aer Lingus flight, departing Thu, 5 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €103 found 6 hours ago
Aer Lingus
Thu, 5 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€104 Return, found 6 hours ago
€104
Return
found 6 hours ago
Select Aer Lingus flight, departing Thu, 5 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €104 found 6 hours ago
Aer Lingus
Sat, 7 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€114 Return, found 1 day ago
€114
Return
found 1 day ago
Select Aer Lingus flight, departing Sat, 7 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €114 found 1 day ago
Aer Lingus
Fri, 6 Feb - Sun, 8 Feb
DUB
Dublin
CFN
Donegal
€115 Return, just found
€115
Return
just found
Select Aer Lingus flight, departing Fri, 6 Feb from Dublin to Donegal, returning Sun, 8 Feb, priced at €115 just found
Loganair
Fri, 20 Mar - Sun, 22 Mar
GLA
Glasgow
CFN
Donegal
€209 Return, found 21 hours ago
€209
Return
found 21 hours ago
Select Loganair flight, departing Fri, 20 Mar from Glasgow to Donegal, returning Sun, 22 Mar, priced at €209 found 21 hours ago
British Airways
Mon, 9 Mar - Mon, 16 Mar
LHR
London
CFN
Donegal
€428 Return, found 18 hours ago
€428
Return
found 18 hours ago
Select British Airways flight, departing Mon, 9 Mar from London to Donegal, returning Mon, 16 Mar, priced at €428 found 18 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 €428. 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 €428 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
Sat, 14 Feb - Sun, 15 Feb
DUB
Dublin
CFN
Donegal
€80 Return, found 2 hours ago
€80
Return
found 2 hours ago
Select Aer Lingus flight, departing Sat, 14 Feb from Dublin to Donegal, returning Sun, 15 Feb, priced at €80 found 2 hours ago
*Available to Expedia members.