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.

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

Yes. Flexible dates can save you up to 35% on flights from London Heathrow Airport to Donegal. Sunday is the cheapest departure day at €248 return on average, while Monday is the most expensive at €377, a difference of €128. 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 is a return flight from London Heathrow Airport to Donegal?

Return flights from London Heathrow Airport to Donegal typically range from €248 to €332. The lowest price found in the past 5 days was €255 on Aer Lingus.

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

Aer Lingus (€255) 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 €383. 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 4h 11m over the past 3 months.

€113 CHEAP FLIGHTS from London Heathrow to Donegal (LHR - CFN)

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Cheapest return flight

€255

Typical prices: €248-€332

Aer Lingus

Fri 23/11Fri 30/11

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

Last minute

Recent return flight deals from Heathrow to Donegal

Mon, 23 Nov - Mon, 30 Nov

07:50 - 14:00LHR London Heathrow-CFN Donegal

6h 10m1 stop Dublin

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

5h 20m1 stop Dublin

€255Aer Lingus

3+ days ago

Fri, 11 Dec - Fri, 18 Dec

07:50 - 20:00LHR London Heathrow-CFN Donegal

12h 10m1 stop Dublin

07:55 - 15:35CFN Donegal-LHR London Heathrow

7h 40m1 stop Dublin

€277Aer Lingus

3+ days ago

Thu, 10 Dec - Thu, 17 Dec

07:50 - 14:00LHR London Heathrow-CFN Donegal

6h 10m1 stop Dublin

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

5h 30m1 stop Dublin

€282Aer Lingus

3+ days ago

Wed, 25 Nov - Mon, 30 Nov

07:50 - 14:00LHR London Heathrow-CFN Donegal

6h 10m1 stop Dublin

07:55 - 21:05CFN Donegal-LHR London Heathrow

13h 10m1 stop Dublin

€322Aer Lingus

2 days ago

Wed, 25 Nov - Mon, 30 Nov

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

23h 10m3 stops Barcelona-El Prat Milan Malpensa Dublin

07:55 - 16:50CFN Donegal-LHR London Heathrow

8h 55m1 stop Dublin

€336Multiple Airlines

2 days ago

Mon, 14 Dec - Mon, 21 Dec

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

4h 10m1 stop Dublin

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

5h 20m1 stop Dublin

€350Aer Lingus

2 hours ago

Mon, 30 Nov - Mon, 7 Dec

20:45 - 14:00LHR London Heathrow-CFN Donegal

17h 15m1 stop Dublin

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

5h 20m1 stop Dublin

€361Aer Lingus

2 days ago

Mon, 7 Dec - Mon, 14 Dec

08:50 - 20:00LHR London Heathrow-CFN Donegal

11h 10m1 stop Dublin

14:30 - 10:10CFN Donegal-LHR London Heathrow

19h 40m1 stop Dublin

€363Aer Lingus

7 hours ago

Mon, 23 Nov - Mon, 30 Nov

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

17h 45m2 stops Munich Franz Josef Strauss Dublin

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

6h 35m1 stop Dublin

€371Multiple Airlines

3+ days ago

Fri, 11 Dec - Fri, 18 Dec

20:25 - 14:00LHR London Heathrow-CFN Donegal

17h 35m2 stops Amsterdam Schiphol Dublin

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

5h 20m1 stop Dublin

€379Multiple Airlines

3+ days ago

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 with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from London Heathrow Airport to Donegal? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Donegal departing in November.

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Cheapest flight	€113

One-way flight from London Heathrow Airport to Donegal

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.

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.
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.
Can I save money by using flexible dates for flights from London Heathrow Airport to Donegal?
Yes. Flexible dates can save you up to 35% on flights from London Heathrow Airport to Donegal. Sunday is the cheapest departure day at €248 return on average, while Monday is the most expensive at €377, a difference of €128.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

If your dates are flexible, aim for a Sunday departure and avoid flying on Monday. On this route, Sunday flights average €248, about €128 less than Monday fares (34% savings) based on the last 12 months.

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LHR - CFN

€113 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

Recent last minute 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?

Which airline is the cheapest 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?

Key details for London Heathrow Airport to Donegal flights

Cheapest flight

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