Cheap flights to County Donegal

View €39 flight on Tue, 17 Mar 2026Opens in a new window

Popular airlines to County Donegal

  • Aer Lingus

  • Loganair

  • British Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • 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
Mon, 16 Mar - Mon, 23 Mar
DUB
Dublin
CFN
Donegal
€80 Return, found 1 hour ago
€80
Return
found 1 hour ago
Select Aer Lingus flight, departing Mon, 16 Mar from Dublin to Donegal, returning Mon, 23 Mar, priced at €80 found 1 hour ago
Aer Lingus
Fri, 17 Apr - Sun, 19 Apr
DUB
Dublin
CFN
Donegal
€85 Return, found 5 hours ago
€85
Return
found 5 hours ago
Select Aer Lingus flight, departing Fri, 17 Apr from Dublin to Donegal, returning Sun, 19 Apr, priced at €85 found 5 hours ago
Aer Lingus
Mon, 16 Mar - Mon, 23 Mar
DUB
Dublin
CFN
Donegal
€97 Return, found 1 hour ago
€97
Return
found 1 hour ago
Select Aer Lingus flight, departing Mon, 16 Mar from Dublin to Donegal, returning Mon, 23 Mar, priced at €97 found 1 hour ago
Aer Lingus
Fri, 3 Apr - Mon, 6 Apr
DUB
Dublin
CFN
Donegal
€102 Return, found 9 hours ago
€102
Return
found 9 hours ago
Select Aer Lingus flight, departing Fri, 3 Apr from Dublin to Donegal, returning Mon, 6 Apr, priced at €102 found 9 hours ago
Aer Lingus
Wed, 16 Dec - Thu, 17 Dec
DUB
Dublin
CFN
Donegal
€105 Return, found 1 hour ago
€105
Return
found 1 hour ago
Select Aer Lingus flight, departing Wed, 16 Dec from Dublin to Donegal, returning Thu, 17 Dec, priced at €105 found 1 hour ago
Aer Lingus
Sun, 15 Mar - Wed, 18 Mar
DUB
Dublin
CFN
Donegal
€114 Return, found 11 hours ago
€114
Return
found 11 hours ago
Select Aer Lingus flight, departing Sun, 15 Mar from Dublin to Donegal, returning Wed, 18 Mar, priced at €114 found 11 hours ago
Loganair
Fri, 29 May - Sun, 31 May
GLA
Glasgow
CFN
Donegal
€210 Return, found 2 days ago
€210
Return
found 2 days ago
Select Loganair flight, departing Fri, 29 May from Glasgow to Donegal, returning Sun, 31 May, priced at €210 found 2 days ago
British Airways
Fri, 29 May - Sun, 14 Jun
LHR
London
CFN
Donegal
€416 Return, found 2 days ago
€416
Return
found 2 days ago
Select British Airways flight, departing Fri, 29 May from London to Donegal, returning Sun, 14 Jun, priced at €416 found 2 days ago
American Airlines
Thu, 23 Apr - Thu, 30 Apr
RIC
Richmond
CFN
Donegal
€848 Return, found 1 day ago
€848
Return
found 1 day ago
Select American Airlines flight, departing Thu, 23 Apr from Richmond to Donegal, returning Thu, 30 Apr, priced at €848 found 1 day ago
Etihad Airways
Tue, 24 Mar - Thu, 7 May
SYD
Sydney
CFN
Donegal
€1,290 Return, found 15 hours ago
€1,290
Return
found 15 hours ago
Select Etihad Airways flight, departing Tue, 24 Mar from Sydney to Donegal, returning Thu, 7 May, priced at €1,290 found 15 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
Mon, 16 Mar - Mon, 23 Mar
DUB
Dublin
CFN
Donegal
€80 Return, found 1 hour ago
€80
Return
found 1 hour ago
Select Aer Lingus flight, departing Mon, 16 Mar from Dublin to Donegal, returning Mon, 23 Mar, priced at €80 found 1 hour 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, €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 €1,290. 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 €1,290 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.

Book with confidence

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.
About County Donegal

Explore a world of travel with Expedia

*Available to Expedia members.