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 £184. Aer Lingus is priced at 43% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from London to Donegal?

Travellers seeking maximum savings on their London to Donegal flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from London to Donegal?

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

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 48% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from London to Donegal?

Flights from London to Donegal lean towards being more expensive in June. Prices are generally better when you fly from London to Donegal in February, with the cheapest ticket starting at £204.

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.

£64+ Flights from London to Donegal

Cheap flight deals from London to Donegal

Round-trip from	£107
One-way from	£64
Popular in	June
Cheapest in	February
Average price	£456

12/7-14/7
2 total stops
14h 15m total
London to Donegal

Search Deals

15/9
1 total stop
7h 35m total
London to Donegal

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£36 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from London to Donegal

Cheapest flights from London to Donegal
Explore the most affordable flight options available from London to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Thu 10/708:45LTN - CFN

1 stop5h 15mMultiple Airlines

Wed 16/714:30CFN - LTN

1 stop7h 40mMultiple Airlines

Deal found 10/6£102

Sat 12/714:45STN - CFN

1 stop5h 15mMultiple Airlines

Mon 14/707:55CFN - STN

1 stop9h 00mMultiple Airlines

Deal found 12/6£107

Sat 12/713:15LGW - CFN

1 stop6h 45mMultiple Airlines

Mon 14/714:30CFN - LGW

1 stop5h 25mMultiple Airlines

Deal found 12/6£147

Sat 26/714:55LHR - CFN

1 stop5h 05mMultiple Airlines

Sat 2/814:30CFN - LHR

1 stop7h 00mMultiple Airlines

Deal found 10/6£183

Sat 26/720:10LHR - CFN

1 stop23h 50mAer Lingus

Sat 2/814:30CFN - LHR

1 stop3h 50mAer Lingus

Deal found 11/6£184

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 13 June 2025.

Sat 12/714:45STN - CFN

1 stop5h 15mMultiple Airlines

Mon 14/707:55CFN - STN

1 stop9h 00mMultiple Airlines

Deal found 12/6£107

Sat 26/720:10LHR - CFN

1 stop23h 50mAer Lingus

Sat 2/814:30CFN - LHR

1 stop3h 50mAer Lingus

Deal found 11/6£184

Sat 12/716:10LTN - CFN

1 stop3h 50mMultiple Airlines

Mon 14/714:30CFN - LTN

1 stop4h 55mMultiple Airlines

Deal found 12/6£108

Sat 12/713:15LGW - CFN

1 stop6h 45mMultiple Airlines

Mon 14/714:30CFN - LGW

1 stop5h 25mMultiple Airlines

Deal found 12/6£147

Sat 26/714:55LHR - CFN

1 stop5h 05mMultiple Airlines

Sat 2/814:30CFN - LHR

1 stop7h 00mMultiple Airlines

Deal found 10/6£183

Last-minute flights from London to Donegal
Discover last-minute flight deals from London to Donegal. Data last updated 13 June 2025 and is based on user searches.

Thu 10/708:45LTN - CFN

1 stop5h 15mMultiple Airlines

Wed 16/714:30CFN - LTN

1 stop7h 40mMultiple Airlines

Deal found 10/6£102

Sat 12/714:45STN - CFN

1 stop5h 15mMultiple Airlines

Mon 14/707:55CFN - STN

1 stop9h 00mMultiple Airlines

Deal found 12/6£107

Sat 12/713:15LGW - CFN

1 stop6h 45mMultiple Airlines

Mon 14/714:30CFN - LGW

1 stop5h 25mMultiple Airlines

Deal found 12/6£147

Sat 26/714:55LHR - CFN

1 stop5h 05mMultiple Airlines

Sat 2/814:30CFN - LHR

1 stop7h 00mMultiple Airlines

Deal found 10/6£183

Sat 26/720:10LHR - CFN

1 stop23h 50mAer Lingus

Sat 2/814:30CFN - LHR

1 stop3h 50mAer Lingus

Deal found 11/6£184

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 10/7

08:45-14:00

1 stop5h 15m

Donegal

Wed 16/7

14:30-22:10

1 stop7h 40m

£102

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sat 12/7

14:45-20:00

1 stop5h 15m

Donegal

Mon 14/7

07:55-16:55

1 stop9h 00m

£107

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sat 12/7

13:15-20:00

1 stop6h 45m

Donegal

Mon 14/7

14:30-19:55

1 stop5h 25m

£147

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 26/7

14:55-20:00

1 stop5h 05m

Donegal

Sat 2/8

14:30-21:30

1 stop7h 00m

£183

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 26/7

20:10-20:00

1 stop23h 50m

Donegal

Sat 2/8

14:30-18:20

1 stop3h 50m

£184

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 15/9

06:25-14:00

1 stop7h 35m

£64

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Wed 18/6

10:00-14:00

1 stop4h 00m

£89

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 time of day to fly from LON to CFN?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from London to Donegal by exploring options for tickets in the morning.

Rainfall in Donegal by month

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.

Temperature in Donegal by month

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).

Reviews of airlines servicing Donegal

Aer Lingus

7.1

Good

1,118 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

Aer Lingus

7.1

Good

1,118 reviews

Aer Lingus

7.1

Good

1,118 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

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.
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 £184. Aer Lingus is priced at 43% lower than the current average price of a flight leaving 3 months from now.
What are the most popular routes from London to Donegal?
When deciding which route to take from London to Donegal consider London Gatwick - Donegal, London Heathrow - Donegal or London Stansted - 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.

See more FAQs

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Top airline flying from London to Donegal

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£169	Average£225	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 £64

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Donegal

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Donegal

Cheapest flights from London to DonegalExplore the most affordable flight options available from London to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from London to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

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 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 13 June 2025.

Rainfall in Donegal by month

Plan your trip to Donegal by taking into account the average rainfall totals by month.

Temperature in Donegal by month

Plan your trip to Donegal by taking into account the average temperature totals by month.

Reviews of airlines servicing Donegal

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?

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?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Donegal
Explore the most affordable flight options available from London to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.