How long is the flight from London Heathrow Airport to Donegal?

Airlines like Aer Lingus fly from London Heathrow Airport to Donegal in about 11h 10m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 408 mi.

In terms of precipitation, rainfall in Donegal ranges from 58.0 - 118.0 inches per month. October is typically the wettest month, when rainfall can reach 118.0 mm. April is typically the driest time to visit Donegal when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Donegal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 14.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from LHR to CFN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Donegal as you normally would.

What airport do you fly into for flights to Donegal from London Heathrow?

Donegal (CFN) is the airport you will fly into if you book a flight from London Heathrow to Donegal. You should not have trouble finding flights to Donegal from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Donegal airport from London Heathrow. It is only a 28.5 mi journey from Donegal (CFN) to Donegal’s city center.

Can I find deals for flights from Heathrow to Donegal that include hotel bookings?

Yes. In addition to deals on Heathrow to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Donegal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Donegal.

Can I find deals for business class flights from Heathrow to Donegal?

Yes. Cheapflights offers flight deals from Heathrow to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£192+ Cheap Flights from London Heathrow Airport to Donegal

Cheap flight deals from Heathrow to Donegal

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Heathrow to Donegal
Explore the most affordable flight options available from Heathrow to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Fri 27/1120:45 -

1 stop17h 15m

Mon 30/1114:30 -

1 stop5h 20m

Deal found 3/11£192

Thu 12/1107:50 -

1 stop6h 10m

Sun 15/1114:30 -

1 stop17h 35m

Deal found 5/11£215

Sat 12/1220:50 -

2 stops17h 10m

Fri 18/1214:30 -

1 stop6h 35m

Deal found 3/11£217

Sat 5/1208:50 -

1 stop11h 10m

Sat 12/1207:55 -

1 stop9h 55m

Deal found 5/11£221

Sat 14/1107:50 -

1 stop12h 10m

Sat 21/1107:55 -

1 stop11h 55m

Deal found 2/11£225

Sat 12/1208:50 -

1 stop11h 10m

Fri 18/1207:55 -

1 stop11h 55m

Deal found 3/11£229

Tue 1/1208:50 -

1 stop11h 10m

Sat 5/1214:30 -

1 stop5h 20m

Deal found 4/11£230

Mon 14/1209:50 -

1 stop10h 10m

Sun 20/1207:55 -

1 stop11h 55m

Deal found 3/11£231

Thu 17/1207:50 -

1 stop6h 10m

Thu 24/1214:30 -

1 stop5h 20m

Deal found 2/11£250

Fri 27/1107:50 -

1 stop6h 10m

Sun 29/1107:55 -

1 stop5h 30m

Deal found 5/11£258

Find flight deals from Heathrow to Donegal

Round-trip from	£192

Aer Lingus
27/11-30/11
2 total stops
22h 35m total
London to Donegal

Search Deals

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Use the filters below to find and compare flights from London Heathrow Airport to Donegal that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Sat 12/12

20:50-14:00

2 stops17h 10m

Donegal

Fri 18/12

14:30-21:05

1 stop6h 35m

£217

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Thu 17/12

07:50-14:00

1 stop6h 10m

Donegal

Thu 24/12

14:30-19:50

1 stop5h 20m

£250

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Fri 27/11

07:50-14:00

1 stop6h 10m

Donegal

Sun 29/11

07:55-13:25

1 stop5h 30m

£258

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Sat 12/12

12:10-20:00

1 stop7h 50m

Donegal

Fri 18/12

07:55-15:35

1 stop7h 40m

£284

Fastest return journey

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Sat 19/12

15:15-20:00

1 stop4h 45m

Donegal

Sat 26/12

14:30-19:50

1 stop5h 20m

£350

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Wed 23/12

07:50-14:00

1 stop6h 10m

Donegal

Fri 1/1

14:30-21:05

1 stop6h 35m

£363

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Mon 14/12

06:30-14:00

1 stop7h 30m

Donegal

Sun 20/12

07:55-22:00

1 stop14h 05m

£381

LondonDonegal

LHR London Heathrow - CFN Donegal

LHRCFN

London Heathrow

Sat 28/11

13:45-20:00

1 stop6h 15m

Donegal

Mon 30/11

07:55-10:20

1 stop26h 25m

£384

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Sorted by cheapest first

Best time to book a flight from Heathrow to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Heathrow with our price prediction graph.

LHR-CFN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Donegal from London Heathrow?
Donegal (CFN) is the airport you will fly into if you book a flight from London Heathrow to Donegal. You should not have trouble finding flights to Donegal from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Donegal airport from London Heathrow. It is only a 28.5 mi journey from Donegal (CFN) to Donegal’s city center.
How long is the flight from London Heathrow Airport to Donegal?
Airlines like Aer Lingus fly from London Heathrow Airport to Donegal in about 11h 10m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 408 mi.
Can I find deals for flights from Heathrow to Donegal that include hotel bookings?
Yes. In addition to deals on Heathrow to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Donegal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Donegal.
Can I find deals for business class flights from Heathrow to Donegal?
Yes. Cheapflights offers flight deals from Heathrow to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from London Heathrow Airport to Donegal from £192

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Donegal

Cheapest flights from Heathrow to DonegalExplore the most affordable flight options available from Heathrow to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Explore the most affordable flight options available from Heathrow to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Heathrow to DonegalDiscover carefully curated flight deals from Heathrow to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Heathrow to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Heathrow to DonegalDiscover last-minute flight deals from Heathrow to Donegal. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Donegal. Data last updated 5 November 2026 and is based on user searches.

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Use the filters below to find and compare flights from London Heathrow Airport to Donegal that are best for you.

Best time to book a flight from Heathrow to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Heathrow with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Donegal from London Heathrow?

How long is the flight from London Heathrow Airport to Donegal?

Can I find deals for flights from Heathrow to Donegal that include hotel bookings?

How can I find direct flights from Heathrow to Donegal?

Can I find deals for business class flights from Heathrow to Donegal?

Travelling to a place near Donegal?

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Alternative routes for Heathrow to Donegal

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Complete your trip

Complete your trip to Donegal by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ireland

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Search flights from Heathrow to Donegal by cabin class

Find flights from Heathrow to Donegal, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Donegal flights

Browse other Heathrow and Donegal flight options. Last updated on 5 November 2026.

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Can Cheapflights notify me if prices for flights from Heathrow to Donegal become cheaper?

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Cheapest flights from Heathrow to Donegal
Explore the most affordable flight options available from Heathrow to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Heathrow to Donegal
Discover carefully curated flight deals from Heathrow to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Last-minute flights from Heathrow to Donegal
Discover last-minute flight deals from Heathrow to Donegal. Data last updated 5 November 2026 and is based on user searches.