Which airports can I use when flying from London Heathrow Airport to Donegal?

Flights from London Heathrow Airport to Donegal usually depart from London Heathrow (LHR) and arrive at Donegal (CFN).

Which airports do connecting flights from London Heathrow Airport to Donegal pass through?

Most connecting flights from London Heathrow Airport to Donegal pass through Dublin (DUB), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

Can I save money by using flexible dates for flights from London Heathrow Airport to Donegal?

On the London Heathrow Airport to Donegal route, being flexible with your departure day can save you up to 37%. Sunday is the cheapest day at €241 return on average, while Friday is the most expensive at €382 – a €140 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Do I need a passport to fly from London Heathrow Airport to Donegal?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How much should I expect to pay for a London Heathrow Airport to Donegal flight?

Return flights from London Heathrow Airport to Donegal range from €280 to €382, with an average of €323 over the past 12 months. Anything below €280 counts as a good deal.

What is the cheapest airline to fly from London Heathrow Airport to Donegal?

Aer Lingus (€195) offered the cheapest return ticket from London Heathrow Airport to Donegal in the last 5 days.

What is the cheapest stopover airport when flying from London Heathrow Airport to Donegal?

Flights via Dublin (DUB) offer the most affordable fares, with an average return price of €377. Based on KAYAK data over the past 3 months.

When flying from London Heathrow Airport to Donegal, which airport offers the shortest stopover?

Dublin (DUB) had the shortest average connection time for London Heathrow Airport to Donegal stopovers at 243 minutes over the past 3 months.

€195 CHEAP FLIGHTS from London Heathrow to Donegal (LHR - CFN)

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Cheapest return flight

€195

Typical prices: €280-€382

Aer Lingus

Sun 14/10Mon 15/10

LHR - CFN • 1 stop

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Flight Deals

Cheap Flights from Heathrow to Donegal (LHR-CFN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Recent return flight deals from Heathrow to Donegal

Wed, 14 Oct - Thu, 15 Oct

07:40 - 14:00LHR London Heathrow-CFN Donegal

6h 20m1 stop Dublin

14:30 - 19:25CFN Donegal-LHR London Heathrow

4h 55m1 stop Dublin

€195Aer Lingus

Thu, 8 Oct - Wed, 14 Oct

15:10 - 20:00LHR London Heathrow-CFN Donegal

4h 50m1 stop Dublin

14:30 - 18:55CFN Donegal-LHR London Heathrow

4h 25m1 stop Dublin

€198Aer Lingus

Thu, 22 Oct - Thu, 29 Oct

15:10 - 20:00LHR London Heathrow-CFN Donegal

4h 50m1 stop Dublin

07:55 - 17:50CFN Donegal-LHR London Heathrow

9h 55m1 stop Dublin

€202Aer Lingus

Thu, 19 Nov - Mon, 23 Nov

14:15 - 20:00LHR London Heathrow-CFN Donegal

5h 45m1 stop Dublin

14:30 - 21:05CFN Donegal-LHR London Heathrow

6h 35m1 stop Dublin

€206Aer Lingus

Tue, 6 Oct - Sat, 10 Oct

15:50 - 20:00LHR London Heathrow-CFN Donegal

4h 10m1 stop Dublin

07:55 - 17:20CFN Donegal-LHR London Heathrow

9h 25m1 stop Dublin

€207Aer Lingus

Thu, 25 Feb - Sun, 28 Feb

09:50 - 14:00LHR London Heathrow-CFN Donegal

4h 10m1 stop Dublin

07:55 - 13:25CFN Donegal-LHR London Heathrow

5h 30m1 stop Dublin

€215Aer Lingus

Thu, 14 Jan - Sun, 17 Jan

09:50 - 14:00LHR London Heathrow-CFN Donegal

4h 10m1 stop Dublin

07:55 - 13:25CFN Donegal-LHR London Heathrow

5h 30m1 stop Dublin

€217Aer Lingus

Fri, 6 Nov - Mon, 9 Nov

15:10 - 20:00LHR London Heathrow-CFN Donegal

4h 50m1 stop Dublin

14:30 - 19:50CFN Donegal-LHR London Heathrow

5h 20m1 stop Dublin

€219Aer Lingus

Mon, 5 Oct - Fri, 9 Oct

15:50 - 20:00LHR London Heathrow-CFN Donegal

4h 10m1 stop Dublin

14:30 - 18:55CFN Donegal-LHR London Heathrow

4h 25m1 stop Dublin

€220Aer Lingus

Fri, 20 Nov - Mon, 23 Nov

15:10 - 20:00LHR London Heathrow-CFN Donegal

4h 50m1 stop Dublin

14:30 - 21:05CFN Donegal-LHR London Heathrow

6h 35m1 stop Dublin

€220Aer Lingus

Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Donegal flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London Heathrow Airport to Donegal with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from London Heathrow Airport to Donegal?

Return flights from London Heathrow Airport to Donegal start at €195. Prices are below average for this route right now, with typical return fares ranging from €280 to €382. The lowest price found in the past 5 days was €195 on Aer Lingus.

Find deals

When to book flights from Heathrow to Donegal

Are your dates flexible? Find out the best times to travel from Heathrow to Donegal based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from London Heathrow Airport to Donegal?
Flights from London Heathrow Airport to Donegal usually depart from London Heathrow (LHR) and arrive at Donegal (CFN).
Which airports do connecting flights from London Heathrow Airport to Donegal pass through?
Most connecting flights from London Heathrow Airport to Donegal pass through Dublin (DUB), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.
Can I save money by using flexible dates for flights from London Heathrow Airport to Donegal?
On the London Heathrow Airport to Donegal route, being flexible with your departure day can save you up to 37%. Sunday is the cheapest day at €241 return on average, while Friday is the most expensive at €382 – a €140 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
Do I need a passport to fly from London Heathrow Airport to Donegal?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a London Heathrow Airport to Donegal flight?
Return flights from London Heathrow Airport to Donegal range from €280 to €382, with an average of €323 over the past 12 months. Anything below €280 counts as a good deal.

If your dates are flexible, aim for a Sunday departure instead of Friday. On this route, Sunday flights average €241 – about €140 less than Friday (37% savings) based on the last 12 months.

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LHR - CFN

€195 Find Cheap Flights from London Heathrow Airport to Donegal – Compare and Save

Everything you should know

Cheap Flights from Heathrow to Donegal (LHR-CFN)

Recent return flight deals from Heathrow to Donegal

Recent one-way flight deals from Heathrow to Donegal

Price, demand, and travel trends for London Heathrow Airport to Donegal flights

How much is a return flight from London Heathrow Airport to Donegal?

What is the cheapest airline to fly from London Heathrow Airport to Donegal?

What is the cheapest stopover airport when flying from London Heathrow Airport to Donegal?

When flying from London Heathrow Airport to Donegal, which airport offers the shortest stopover?

When to book flights from Heathrow to Donegal

Your London Heathrow Airport to Donegal flight questions, answered

Your guide to booking London Heathrow Airport to Donegal flights

More options for your flight from Heathrow to Donegal

Complete your trip to Donegal with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights to Donegal

Flights from domestic origins to Donegal

Flights to other popular destinations