Cheap flights to County Donegal

View €43 flight on Thu, 26 Mar 2026Opens in a new window

Popular airlines to County Donegal

  • Aer Lingus

  • Loganair

  • British Airways

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Cheap round-trip flights to County Donegal

Prices were available within the past 7 days and start at €43 for one-way flights and €87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sun, 5 Apr - Sun, 19 Apr
DUB
Dublin
CFN
Donegal
€87 Return, found 6 days ago
€87
Return
found 6 days ago
Select Aer Lingus flight, departing Sun, 5 Apr from Dublin to Donegal, returning Sun, 19 Apr, priced at €87 found 6 days ago
Aer Lingus
Thu, 26 Mar - Sun, 29 Mar
DUB
Dublin
CFN
Donegal
€88 Return, found 1 hour ago
€88
Return
found 1 hour ago
Select Aer Lingus flight, departing Thu, 26 Mar from Dublin to Donegal, returning Sun, 29 Mar, priced at €88 found 1 hour ago
Aer Lingus
Thu, 29 Oct - Sat, 31 Oct
DUB
Dublin
CFN
Donegal
€89 Return, found 1 day ago
€89
Return
found 1 day ago
Select Aer Lingus flight, departing Thu, 29 Oct from Dublin to Donegal, returning Sat, 31 Oct, priced at €89 found 1 day ago
Aer Lingus
Sat, 2 May - Mon, 4 May
DUB
Dublin
CFN
Donegal
€93 Return, just found
€93
Return
just found
Select Aer Lingus flight, departing Sat, 2 May from Dublin to Donegal, returning Mon, 4 May, priced at €93 just found
Aer Lingus
Fri, 30 Oct - Sun, 1 Nov
DUB
Dublin
CFN
Donegal
€101 Return, found 1 day ago
€101
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 30 Oct from Dublin to Donegal, returning Sun, 1 Nov, priced at €101 found 1 day ago
Aer Lingus
Mon, 23 Mar - Mon, 30 Mar
DUB
Dublin
CFN
Donegal
€105 Return, found 3 hours ago
€105
Return
found 3 hours ago
Select Aer Lingus flight, departing Mon, 23 Mar from Dublin to Donegal, returning Mon, 30 Mar, priced at €105 found 3 hours ago
Aer Lingus
Thu, 2 Apr - Sun, 5 Apr
DUB
Dublin
CFN
Donegal
€106 Return, found 6 days ago
€106
Return
found 6 days ago
Select Aer Lingus flight, departing Thu, 2 Apr from Dublin to Donegal, returning Sun, 5 Apr, priced at €106 found 6 days ago
Aer Lingus
Fri, 3 Apr - Mon, 6 Apr
DUB
Dublin
CFN
Donegal
€110 Return, found 6 hours ago
€110
Return
found 6 hours ago
Select Aer Lingus flight, departing Fri, 3 Apr from Dublin to Donegal, returning Mon, 6 Apr, priced at €110 found 6 hours ago
Loganair
Sun, 14 Jun - Wed, 17 Jun
GLA
Glasgow
CFN
Donegal
€211 Return, found 2 days ago
€211
Return
found 2 days ago
Select Loganair flight, departing Sun, 14 Jun from Glasgow to Donegal, returning Wed, 17 Jun, priced at €211 found 2 days ago
Etihad Airways
Sat, 2 May - Sat, 9 May
SYD
Sydney
CFN
Donegal
€1,187 Return, found 10 hours ago
€1,187
Return
found 10 hours ago
Select Etihad Airways flight, departing Sat, 2 May from Sydney to Donegal, returning Sat, 9 May, priced at €1,187 found 10 hours ago

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
Sun, 5 Apr - Sun, 19 Apr
DUB
Dublin
CFN
Donegal
€87 Return, found 6 days ago
€87
Return
found 6 days ago
Select Aer Lingus flight, departing Sun, 5 Apr from Dublin to Donegal, returning Sun, 19 Apr, priced at €87 found 6 days ago

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, €87 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 €43 in the last seven days. During this period, the cost of a return ticket to County Donegal ranged between €87 and €1,187. 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 €87 to €1,187 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.

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About County Donegal

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About County Donegal

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