Find flights
When to book
FAQs

Cheap flights from London to Donegal from £113

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CFN
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Donegal

Enter your travel dates to find the best prices.

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 23 December 2025.

Mon 22/1210:15STN - CFN
1 stop9h 45mMultiple Airlines
Mon 29/1207:55CFN - STN
1 stop10h 25mMultiple Airlines
Deal found 21/12£275
Mon 22/1219:55LGW - CFN
2 stops18h 05mMultiple Airlines
Mon 29/1207:55CFN - LGW
1 stop7h 40mMultiple Airlines
Deal found 21/12£290
Mon 22/1216:15LTN - CFN
2 stops27h 45mMultiple Airlines
Mon 29/1207:55CFN - LTN
1 stop14h 05mMultiple Airlines
Deal found 21/12£307
Tue 23/1212:45STN - CFN
1 stop7h 15mMultiple Airlines
Wed 24/1214:30CFN - STN
1 stop4h 20mMultiple Airlines
Deal found 22/12£380
Tue 23/1206:30LHR - CFN
1 stop7h 30mMultiple Airlines
Wed 24/1207:55CFN - LHR
1 stop14h 05mMultiple Airlines
Deal found 22/12£396
Mon 22/1219:30LHR - CFN
2 stops24h 30mMultiple Airlines
Mon 29/1207:55CFN - LHR
2 stops10h 35mMultiple Airlines
Deal found 21/12£401
Tue 23/1207:50LHR - CFN
1 stop6h 10mAer Lingus
Wed 24/1214:30CFN - LHR
1 stop5h 20mAer Lingus
Deal found 22/12£418
Tue 23/1209:40LGW - CFN
1 stop10h 20mMultiple Airlines
Wed 24/1207:55CFN - LGW
2 stops8h 10mMultiple Airlines
Deal found 22/12£427
Mon 22/1219:10LCY - CFN
2 stops24h 50mMultiple Airlines
Mon 29/1207:55CFN - LCY
2 stops24h 45mMultiple Airlines
Deal found 21/12£471
Tue 23/1209:10LCY - CFN
1 stop10h 50mMultiple Airlines
Wed 24/1214:30CFN - LCY
1 stop6h 10mMultiple Airlines
Deal found 22/12£474
Tue 23/1209:00LTN - CFN
1 stop5h 00mMultiple Airlines
Wed 24/1207:55CFN - LTN
2 stops13h 05mMultiple Airlines
Deal found 22/12£530
Tue 23/1209:10LCY - CFN
1 stop4h 50mAer Lingus
Wed 24/1214:30CFN - LCY
1 stop6h 10mAer Lingus
Deal found 22/12£791

Find flight deals from London to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Donegal (CFN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2025.

Round-trip from

£113
2/2-9/2
  • 2/2-9/2
  • 2 total stops
  • 15h 30m total
  • London to Donegal
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Donegal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 December 2025.
Use the filters below to find and compare flights from London to Donegal that are best for you.

Fly from

London

Fly to

Donegal

Route

Depart

Return

Price

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 9/2

06:00-14:00

1 stop8h 00m

Donegal

Fri 13/2

07:55-16:00

1 stop8h 05m

£113

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 2/2

06:00-14:00

1 stop8h 00m

Donegal

Mon 9/2

14:30-22:00

1 stop7h 30m

£113

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Mon 9/2

13:10-20:00

1 stop6h 50m

Donegal

Fri 13/2

14:30-21:00

1 stop6h 30m

£113

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Wed 4/2

11:15-20:00

1 stop8h 45m

Donegal

Wed 11/2

14:30-21:05

1 stop6h 35m

£113

LondonDonegal

STN - CFN

STNCFN

London Stansted

Wed 4/2

08:30-14:00

1 stop5h 30m

Donegal

Wed 11/2

14:30-21:20

1 stop6h 50m

£113

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Wed 4/2

06:50-14:00

1 stop7h 10m

Donegal

Wed 11/2

14:30-20:05

1 stop5h 35m

£114

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 9/2

13:30-20:00

1 stop6h 30m

Donegal

Fri 13/2

14:30-21:20

1 stop6h 50m

£115

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 2/2

08:30-14:00

1 stop5h 30m

Donegal

Mon 9/2

07:55-14:50

1 stop6h 55m

£115

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 5/2

11:35-20:00

1 stop8h 25m

Donegal

Thu 12/2

14:30-21:05

1 stop6h 35m

£121

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Mon 2/2

09:00-14:00

1 stop5h 00m

Donegal

Mon 9/2

07:55-15:35

1 stop7h 40m

£136

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 30 results
1
2
3

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 £36). 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?

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 23 December 2025.

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

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?

    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 6h 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 £171.

  • 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 £36). 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

Travelling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Bundoran
Letterkenny
Killybegs

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.
Heathrow to Dublin flights
Gatwick to Dublin flights
Luton to Dublin flights
London City to Dublin flights
Stansted to Dublin flights
Manchester to Dublin flights
Birmingham to Dublin flights
Bristol to Dublin flights
Leeds to Dublin flights
Heathrow to Cork flights
Heathrow to Shannon flights
Edinburgh to Dublin flights
Southend to Dublin flights
Stansted to Shannon flights
Gatwick to Shannon flights
Southampton to Dublin flights
Gatwick to Cork flights
Newcastle upon Tyne to Dublin flights
Liverpool to Dublin flights
East Midlands to Dublin flights
Luton to Cork flights
Luton to Shannon flights
Heathrow to Knock flights
Luton to Knock flights
Stansted to Knock flights
London City to Cork flights
Bristol to Cork flights
Gatwick to Knock flights
Manchester to Cork flights
Southend to Cork flights
Edinburgh to Cork flights
London City to Shannon flights
Exeter to Dublin flights
Luton to Milltown (Kerry) flights
Manchester to Shannon flights
Birmingham to Shannon flights
Southend to Shannon flights
Newquay to Dublin flights
Birmingham to Knock flights
Manchester to Knock flights
London City to Knock flights
Stansted to Milltown (Kerry) flights
Gatwick to Milltown (Kerry) flights
Heathrow to Donegal flights
Heathrow to Milltown (Kerry) flights
Birmingham to Cork flights
Newcastle upon Tyne to Cork flights
Norwich to Dublin flights
Bristol to Knock flights

Top airline flying from London to Donegal

Discover the top airline that operate flights from London to Donegal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£171Average£269FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.