What are the cheapest airlines flying from London to Donegal round-trip?

Cheapflights users have booked flights from London to Donegal round-trip from £216. Other airlines that can offer you cheap pricing are British Airways, from £450, and Loganair, from £624. Aer Lingus is priced at 32% 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.

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 Stansted - Donegal or London Gatwick - 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 £202.

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.

£108+ Flights from London to Donegal

Cheap flight deals from London to Donegal

Round-trip from	£108
Popular in	June
Cheapest in	February
Average price	£300

14/8-21/8
2 total stops
12h 40m total
London to Donegal

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£37 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 2 July 2025.

Thu 14/809:20STN - CFN

1 stop4h 40mMultiple Airlines

Thu 21/814:30CFN - STN

1 stop8h 00mMultiple Airlines

Deal found 30/6£108

Sat 16/816:10LTN - CFN

1 stop3h 50mMultiple Airlines

Sat 23/814:30CFN - LTN

1 stop7h 15mMultiple Airlines

Deal found 1/7£130

Thu 14/809:45LGW - CFN

1 stop10h 15mMultiple Airlines

Thu 21/807:55CFN - LGW

1 stop9h 10mMultiple Airlines

Deal found 30/6£135

Thu 14/806:20LHR - CFN

1 stop7h 40mMultiple Airlines

Thu 21/814:30CFN - LHR

1 stop7h 05mMultiple Airlines

Deal found 30/6£156

Sat 16/815:50LHR - CFN

1 stop4h 10mAer Lingus

Sat 23/814:30CFN - LHR

1 stop4h 55mAer Lingus

Deal found 1/7£216

Thu 31/713:40LCY - CFN

1 stop6h 20mAer Lingus

Wed 6/807:55CFN - LCY

1 stop4h 50mAer Lingus

Deal found 30/6£300

Thu 14/813:40LCY - CFN

1 stop6h 20mBritish Airways

Thu 21/807:55CFN - LCY

1 stop4h 50mBritish Airways

Deal found 30/6£450

Sat 9/808:45LHR - CFN

2 stops6h 40mLoganair

Wed 13/814:00CFN - LHR

2 stops25h 30mLoganair

Deal found 30/6£624

Thu 14/810:00LCY - CFN

3 stops28h 00mMultiple Airlines

Thu 21/807:55CFN - LCY

3 stops24h 55mMultiple Airlines

Deal found 30/6£1,635

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 July 2025.

Thu 14/809:20STN - CFN

1 stop4h 40mMultiple Airlines

Thu 21/814:30CFN - STN

1 stop8h 00mMultiple Airlines

Deal found 30/6£108

Sat 16/815:50LHR - CFN

1 stop4h 10mAer Lingus

Sat 23/814:30CFN - LHR

1 stop4h 55mAer Lingus

Deal found 1/7£216

Sat 16/816:10LTN - CFN

1 stop3h 50mMultiple Airlines

Sat 23/814:30CFN - LTN

1 stop7h 15mMultiple Airlines

Deal found 1/7£130

Thu 14/809:45LGW - CFN

1 stop10h 15mMultiple Airlines

Thu 21/807:55CFN - LGW

1 stop9h 10mMultiple Airlines

Deal found 30/6£135

Thu 14/806:20LHR - CFN

1 stop7h 40mMultiple Airlines

Thu 21/814:30CFN - LHR

1 stop7h 05mMultiple Airlines

Deal found 30/6£156

Thu 14/813:40LCY - CFN

1 stop6h 20mBritish Airways

Thu 21/807:55CFN - LCY

1 stop4h 50mBritish Airways

Deal found 30/6£450

Thu 31/713:40LCY - CFN

1 stop6h 20mAer Lingus

Wed 6/807:55CFN - LCY

1 stop4h 50mAer Lingus

Deal found 30/6£300

Sat 9/808:45LHR - CFN

2 stops6h 40mLoganair

Wed 13/814:00CFN - LHR

2 stops25h 30mLoganair

Deal found 30/6£624

Thu 14/810:00LCY - CFN

3 stops28h 00mMultiple Airlines

Thu 21/807:55CFN - LCY

3 stops24h 55mMultiple Airlines

Deal found 30/6£1,635

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

Thu 31/713:40LCY - CFN

1 stop6h 20mAer Lingus

Wed 6/807:55CFN - LCY

1 stop4h 50mAer Lingus

Deal found 30/6£300

Sat 9/808:45LHR - CFN

2 stops6h 40mLoganair

Wed 13/814:00CFN - LHR

2 stops25h 30mLoganair

Deal found 30/6£624

Thu 14/809:20STN - CFN

1 stop4h 40mMultiple Airlines

Thu 21/814:30CFN - STN

1 stop8h 00mMultiple Airlines

Deal found 30/6£108

Thu 14/809:45LGW - CFN

1 stop10h 15mMultiple Airlines

Thu 21/807:55CFN - LGW

1 stop9h 10mMultiple Airlines

Deal found 30/6£135

Thu 14/806:20LHR - CFN

1 stop7h 40mMultiple Airlines

Thu 21/814:30CFN - LHR

1 stop7h 05mMultiple Airlines

Deal found 30/6£156

Thu 14/813:40LCY - CFN

1 stop6h 20mBritish Airways

Thu 21/807:55CFN - LCY

1 stop4h 50mBritish Airways

Deal found 30/6£450

Thu 14/810:00LCY - CFN

3 stops28h 00mMultiple Airlines

Thu 21/807:55CFN - LCY

3 stops24h 55mMultiple Airlines

Deal found 30/6£1,635

Sat 16/816:10LTN - CFN

1 stop3h 50mMultiple Airlines

Sat 23/814:30CFN - LTN

1 stop7h 15mMultiple Airlines

Deal found 1/7£130

Sat 16/815:50LHR - CFN

1 stop4h 10mAer Lingus

Sat 23/814:30CFN - LHR

1 stop4h 55mAer Lingus

Deal found 1/7£216

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

STN - CFN

STNCFN

London Stansted

Thu 14/8

09:20-14:00

1 stop4h 40m

Donegal

Thu 21/8

14:30-22:30

1 stop8h 00m

£108

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 16/8

16:10-20:00

1 stop3h 50m

Donegal

Sat 23/8

14:30-21:45

1 stop7h 15m

£130

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 14/8

09:45-20:00

1 stop10h 15m

Donegal

Thu 21/8

07:55-17:05

1 stop9h 10m

£135

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Thu 14/8

06:20-14:00

1 stop7h 40m

Donegal

Thu 21/8

14:30-21:35

1 stop7h 05m

£156

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 16/8

15:50-20:00

1 stop4h 10m

Donegal

Sat 23/8

14:30-19:25

1 stop4h 55m

£216

LondonDonegal

LCY - CFN

LCYCFN

London City

Thu 31/7

13:40-20:00

1 stop6h 20m

Donegal

Wed 6/8

07:55-12:45

1 stop4h 50m

£300

LondonDonegal

LCY - CFN

LCYCFN

London City

Thu 14/8

13:40-20:00

1 stop6h 20m

Donegal

Thu 21/8

07:55-12:45

1 stop4h 50m

£450

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 9/8

08:45-15:25

2 stops6h 40m

Donegal

Wed 13/8

14:00-15:30

2 stops25h 30m

£624

LondonDonegal

LCY - CFN

LCYCFN

London City

Thu 14/8

10:00-14:00

3 stops28h 00m

Donegal

Thu 21/8

07:55-08:50

3 stops24h 55m

£1,635

Flights are sorted by cheapest return flights first.

Deals found on 30/6

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.

How much does it cost for a return flight from London to Donegal?

Reviews of airlines servicing Donegal

Check out reviews from past customers who have flown with Aer Lingus and British Airways from London to Donegal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.1

Good

1,140 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

1,140 reviews

Aer Lingus

7.1

Good

1,140 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.

British Airways

6.6

Okay

7,086 reviews

Aer Lingus

7.1

Good

1,140 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 are the cheapest airlines flying from London to Donegal round-trip?
Cheapflights users have booked flights from London to Donegal round-trip from £216. Other airlines that can offer you cheap pricing are British Airways, from £450, and Loganair, from £624. Aer Lingus is priced at 32% 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 Heathrow - Donegal, London Stansted - 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.

See more FAQs

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Heathrow to Donegal flights

Top airline flying from London to Donegal

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£167	Average£232	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 £108

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/8. 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

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 2 July 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 2 July 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 2 July 2025.

How much does it cost for a return flight from London to Donegal?

Reviews of airlines servicing Donegal

Get insights into the airlines that provide service to Donegal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Donegal. Reviews last updated 2 July 2025.

Check out reviews from past customers who have flown with Aer Lingus and British Airways from London to Donegal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 are the cheapest airlines flying 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?

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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

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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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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 2 July 2025.