How long is the flight from London to Donegal?

Airlines like Aer Lingus fly from London to Donegal in about 5h 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.

What is the cheapest airline to fly from London to Donegal round-trip?

Cheapflights users have booked flights from London to Donegal round-trip from £174.

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 are the most popular routes from London to Donegal?

When deciding which route to take from London to Donegal consider London Heathrow - Donegal, London City - Donegal or London Gatwick - Donegal as they are the most popular.

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

For a flight from London to Donegal, you will be flying into Donegal. Donegal (CFN) is just 28.5 mi from the center of the city. Donegal is the only Donegal airport and it handles 0 inbound flights from London per day. 1 airline has flights to Donegal from London on a regular basis.

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

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

How can I find direct flights from London to Donegal?

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

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

Yes. Cheapflights offers flight deals from London 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.

£110+ Flights from London to Donegal

Find flight deals from London to Donegal

Enter your travel dates to find the best prices.

Best flights from London to Donegal
Discover carefully curated flight deals from London to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 December 2025.

Wed 14/106:50LTN - CFN

1 stop7h 10mMultiple Airlines

Wed 21/114:30CFN - LTN

1 stop5h 35mMultiple Airlines

Deal found 30/11£110

Thu 15/108:50LHR - CFN

1 stop5h 10mAer Lingus

Thu 22/107:55CFN - LHR

1 stop5h 30mAer Lingus

Deal found 1/12£210

Thu 15/111:35LGW - CFN

1 stop8h 25mMultiple Airlines

Thu 22/114:30CFN - LGW

1 stop6h 35mMultiple Airlines

Deal found 1/12£110

Thu 15/112:00STN - CFN

1 stop8h 00mMultiple Airlines

Thu 22/107:55CFN - STN

1 stop5h 25mMultiple Airlines

Deal found 1/12£110

Wed 14/111:15LGW - CFN

1 stop8h 45mMultiple Airlines

Wed 21/114:30CFN - LGW

1 stop6h 35mMultiple Airlines

Deal found 30/11£112

Wed 14/106:30STN - CFN

1 stop7h 30mMultiple Airlines

Wed 21/107:55CFN - STN

1 stop6h 25mMultiple Airlines

Deal found 30/11£113

Mon 5/106:00LTN - CFN

1 stop14h 00mMultiple Airlines

Mon 12/107:55CFN - LTN

1 stop8h 50mMultiple Airlines

Deal found 1/12£119

Tue 27/111:05LHR - CFN

1 stop8h 55mBritish Airways

Sat 31/114:30CFN - LHR

1 stop4h 45mBritish Airways

Deal found 29/11£358

Mon 5/114:50LGW - CFN

1 stop5h 10mMultiple Airlines

Mon 12/107:55CFN - LGW

1 stop4h 50mMultiple Airlines

Deal found 1/12£119

Mon 5/107:50LHR - CFN

1 stop6h 10mAer Lingus

Mon 12/114:30CFN - LHR

1 stop5h 20mAer Lingus

Deal found 1/12£211

Mon 5/110:15STN - CFN

1 stop3h 45mMultiple Airlines

Mon 12/114:30CFN - STN

1 stop3h 50mMultiple Airlines

Deal found 1/12£119

Wed 14/106:30LHR - CFN

1 stop13h 30mMultiple Airlines

Wed 21/107:55CFN - LHR

1 stop14h 05mMultiple Airlines

Deal found 30/11£153

Wed 14/106:50LCY - CFN

1 stop13h 10mMultiple Airlines

Wed 21/107:55CFN - LCY

1 stop12h 45mMultiple Airlines

Deal found 30/11£162

Mon 5/106:30LHR - CFN

1 stop13h 30mBritish Airways

Mon 12/114:30CFN - LHR

1 stop4h 45mBritish Airways

Deal found 30/11£359

Mon 5/114:00LCY - CFN

1 stop6h 00mAer Lingus

Mon 12/107:55CFN - LCY

1 stop4h 45mAer Lingus

Deal found 30/11£345

Mon 2/206:50LCY - CFN

1 stop7h 10mBritish Airways

Fri 6/214:30CFN - LCY

1 stop7h 00mBritish Airways

Deal found 29/11£444

Thu 15/109:10LCY - CFN

1 stop10h 50mMultiple Airlines

Thu 22/107:55CFN - LCY

1 stop9h 35mMultiple Airlines

Deal found 1/12£225

Mon 5/109:10LCY - CFN

1 stop4h 50mBritish Airways

Mon 12/107:55CFN - LCY

1 stop4h 45mBritish Airways

Deal found 1/12£459

Fri 3/406:35LHR - CFN

1 stop3h 35mMultiple Airlines

Fri 10/410:40CFN - LHR

1 stop11h 05mMultiple Airlines

Deal found 1/12£368

Thu 15/110:35LHR - CFN

3 stops23h 35mMultiple Airlines

Thu 22/114:30CFN - LHR

3 stops25h 30mMultiple Airlines

Deal found 1/12£534

Thu 15/113:00SEN - CFN

3 stops21h 10mMultiple Airlines

Thu 22/114:30CFN - SEN

2 stops21h 10mMultiple Airlines

Deal found 1/12£548

Last-minute flights from London to Donegal
Discover last-minute flight deals from London to Donegal. Data last updated 2 December 2025 and is based on user searches.

Mon 5/106:00LTN - CFN

1 stop14h 00mMultiple Airlines

Mon 12/107:55CFN - LTN

1 stop8h 50mMultiple Airlines

Deal found 1/12£119

Mon 5/114:50LGW - CFN

1 stop5h 10mMultiple Airlines

Mon 12/107:55CFN - LGW

1 stop4h 50mMultiple Airlines

Deal found 1/12£119

Mon 5/110:15STN - CFN

1 stop3h 45mMultiple Airlines

Mon 12/114:30CFN - STN

1 stop3h 50mMultiple Airlines

Deal found 1/12£119

Mon 5/107:50LHR - CFN

1 stop6h 10mAer Lingus

Mon 12/114:30CFN - LHR

1 stop5h 20mAer Lingus

Deal found 1/12£211

Wed 14/106:50LTN - CFN

1 stop7h 10mMultiple Airlines

Wed 21/114:30CFN - LTN

1 stop5h 35mMultiple Airlines

Deal found 30/11£110

Wed 14/111:15LGW - CFN

1 stop8h 45mMultiple Airlines

Wed 21/114:30CFN - LGW

1 stop6h 35mMultiple Airlines

Deal found 30/11£112

Wed 14/106:30STN - CFN

1 stop7h 30mMultiple Airlines

Wed 21/107:55CFN - STN

1 stop6h 25mMultiple Airlines

Deal found 30/11£113

Wed 14/106:30LHR - CFN

1 stop13h 30mMultiple Airlines

Wed 21/107:55CFN - LHR

1 stop14h 05mMultiple Airlines

Deal found 30/11£153

Wed 14/106:50LCY - CFN

1 stop13h 10mMultiple Airlines

Wed 21/107:55CFN - LCY

1 stop12h 45mMultiple Airlines

Deal found 30/11£162

Thu 15/111:35LGW - CFN

1 stop8h 25mMultiple Airlines

Thu 22/114:30CFN - LGW

1 stop6h 35mMultiple Airlines

Deal found 1/12£110

Thu 15/112:00STN - CFN

1 stop8h 00mMultiple Airlines

Thu 22/107:55CFN - STN

1 stop5h 25mMultiple Airlines

Deal found 1/12£110

Thu 15/108:50LHR - CFN

1 stop5h 10mAer Lingus

Thu 22/107:55CFN - LHR

1 stop5h 30mAer Lingus

Deal found 1/12£210

One-way flights from London to Donegal
Search for one-way flight options from London to Donegal. Find affordable one-way fares based on user searches. Data last updated 2 December 2025.

Sun 15/309:00LGW - CFN

1 stop9h 45mMultiple Airlines

Deal found 30/11£144

Sun 15/308:25LTN - CFN

1 stop10h 20mMultiple Airlines

Deal found 30/11£147

Sun 15/307:30STN - CFN

2 stops11h 15mMultiple Airlines

Deal found 30/11£187

Sun 15/306:55LHR - CFN

1 stop11h 50mMultiple Airlines

Deal found 30/11£188

Sun 15/307:10SEN - CFN

2 stops11h 35mMultiple Airlines

Deal found 30/11£190

Cheap flight deals from London to Donegal

Round-trip from	£110

14/1-21/1
2 total stops
12h 45m total
London to Donegal

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Wed 14/1

06:50-14:00

1 stop7h 10m

Donegal

Wed 21/1

14:30-20:05

1 stop5h 35m

£110

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 15/1

11:35-20:00

1 stop8h 25m

Donegal

Thu 22/1

14:30-21:05

1 stop6h 35m

£110

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 15/1

12:00-20:00

1 stop8h 00m

Donegal

Thu 22/1

07:55-13:20

1 stop5h 25m

£110

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Wed 14/1

11:15-20:00

1 stop8h 45m

Donegal

Wed 21/1

14:30-21:05

1 stop6h 35m

£112

LondonDonegal

STN - CFN

STNCFN

London Stansted

Wed 14/1

06:30-14:00

1 stop7h 30m

Donegal

Wed 21/1

07:55-14:20

1 stop6h 25m

£113

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 5/1

06:00-20:00

1 stop14h 00m

Donegal

Mon 12/1

07:55-16:45

1 stop8h 50m

£119

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Mon 5/1

14:50-20:00

1 stop5h 10m

Donegal

Mon 12/1

07:55-12:45

1 stop4h 50m

£119

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 5/1

10:15-14:00

1 stop3h 45m

Donegal

Mon 12/1

14:30-18:20

1 stop3h 50m

£119

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Wed 14/1

06:30-20:00

1 stop13h 30m

Donegal

Wed 21/1

07:55-22:00

1 stop14h 05m

£153

LondonDonegal

LCY - CFN

LCYCFN

London City

Wed 14/1

06:50-20:00

1 stop13h 10m

Donegal

Wed 21/1

07:55-20:40

1 stop12h 45m

£162

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 26 results

Best time to book a flight from London to Donegal

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

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.

Cheapflights Insights

Everything you need to know about your flight from London to Donegal

What is the cheapest month to book a flight from London to Donegal?

Currently, December is the cheapest month in which you can book a flight from London to Donegal (average of £17). Flying from London to Donegal in August is currently the most expensive (average of £37). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 22% on flights from London to Donegal by exploring options for tickets at midday.

Related info for your journey

What airport do you fly into for flights to Donegal from London?
For a flight from London to Donegal, you will be flying into Donegal. Donegal (CFN) is just 28.5 mi from the center of the city. Donegal is the only Donegal airport and it handles 0 inbound flights from London per day. 1 airline has flights to Donegal from London on a regular basis.
How long is the flight from London to Donegal?
Airlines like Aer Lingus fly from London to Donegal in about 5h 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.
What is the cheapest airline to fly from London to Donegal round-trip?
Cheapflights users have booked flights from London to Donegal round-trip from £174.
What are the most popular routes from London to Donegal?
When deciding which route to take from London to Donegal consider London Heathrow - Donegal, London City - Donegal or London Gatwick - Donegal as they are the most popular.
Can I find deals for flights from London to Donegal that include hotel bookings?
Yes. In addition to deals on London to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Donegal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Donegal.
Can I find deals for business class flights from London to Donegal?
Yes. Cheapflights offers flight deals from London 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.
What is the cheapest month to book a flight from London to Donegal?
Currently, December is the cheapest month in which you can book a flight from London to Donegal (average of £17). Flying from London to Donegal in August is currently the most expensive (average of £37). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Donegal

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Top airline flying from London to Donegal

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£174	Average£273	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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How does Cheapflights help users find flights from London to Donegal?

When you search for this flight from London to Donegal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Donegal?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Donegal for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Donegal with no change fees?

Yes! Cheapflights helps users easily find flights from London to Donegal with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Donegal from London today and book when prices fit your budget.

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Cheap flights from London to Donegal from £110

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from London to Donegal

Best flights from London to DonegalDiscover carefully curated flight deals from London to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 December 2025.

Discover carefully curated flight deals from London to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 December 2025.

Cheap flight deals from London to Donegal

Round-trip from

Cheapflights Fare Finder

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

Best time to book a flight from London to Donegal

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

Cheapflights Insights

Everything you need to know about your flight from London to Donegal

What is the cheapest month to book a flight from London to Donegal?

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

Find hourly flight availability from London to Donegal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 December 2025.

Related info for your journey

Find useful and relevant information for your journey from London to Donegal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How long is the flight from London to Donegal?

What is the cheapest airline to fly from London to Donegal round-trip?

What are the most popular routes from London to Donegal?

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

How can I find direct flights from London to Donegal?

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

What is the cheapest month to book a flight from London to Donegal?

Travelling to a place near Donegal?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Donegal

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from London to Donegal

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Donegal?

Why should you use Cheapflights to find cheap flight tickets from London to Donegal?

Can Cheapflights find flights from London to Donegal with no change fees?

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

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Best flights from London to Donegal
Discover carefully curated flight deals from London to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 December 2025.