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Cheap flights from London to Donegal from £71

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CFN
15 Jun — 22 Jun1
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 16 May 2026.

Sat 30/514:25
LTN
-
CFN
1 stop5h 35m
Multiple Airlines
Sat 6/614:30
CFN
-
LTN
1 stop10h 00m
Multiple Airlines
Deal found 14/5£118
Sat 30/513:15
STN
-
CFN
1 stop6h 45m
Multiple Airlines
Sat 6/614:30
CFN
-
STN
1 stop8h 50m
Multiple Airlines
Deal found 14/5£118
Sat 6/616:15
STN
-
CFN
1 stop3h 45m
Multiple Airlines
Mon 8/614:30
CFN
-
STN
1 stop6h 50m
Multiple Airlines
Deal found 14/5£121
Sat 6/611:00
LTN
-
CFN
1 stop9h 00m
Multiple Airlines
Mon 8/614:30
CFN
-
LTN
1 stop7h 10m
Multiple Airlines
Deal found 14/5£122
Sat 30/512:05
LGW
-
CFN
1 stop7h 55m
Multiple Airlines
Sat 6/614:30
CFN
-
LGW
1 stop3h 50m
Multiple Airlines
Deal found 14/5£127
Sat 6/612:05
LGW
-
CFN
1 stop7h 55m
Multiple Airlines
Mon 8/614:30
CFN
-
LGW
1 stop5h 30m
Multiple Airlines
Deal found 14/5£137
Thu 11/621:40
LTN
-
CFN
1 stop16h 20m
Multiple Airlines
Thu 18/614:30
CFN
-
LTN
1 stop6h 45m
Multiple Airlines
Deal found 11/5£140
Thu 11/608:30
STN
-
CFN
1 stop5h 30m
Multiple Airlines
Thu 18/607:55
CFN
-
STN
1 stop4h 55m
Multiple Airlines
Deal found 11/5£141
Thu 11/609:45
LGW
-
CFN
1 stop4h 15m
Multiple Airlines
Thu 18/614:30
CFN
-
LGW
1 stop3h 55m
Multiple Airlines
Deal found 11/5£144
Wed 10/615:35
LGW
-
CFN
1 stop4h 25m
Multiple Airlines
Sun 14/607:55
CFN
-
LGW
1 stop3h 45m
Multiple Airlines
Deal found 12/5£163
Wed 10/622:45
STN
-
CFN
1 stop15h 15m
Multiple Airlines
Sun 14/614:30
CFN
-
STN
1 stop8h 50m
Multiple Airlines
Deal found 12/5£168
Wed 10/613:50
LTN
-
CFN
1 stop6h 10m
Multiple Airlines
Sun 14/614:30
CFN
-
LTN
1 stop7h 25m
Multiple Airlines
Deal found 12/5£169

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 16 May 2026.

Round-trip from

£118

One-way from

£71
30/5-6/6
  • 30/5-6/6
  • 2 total stops
  • 15h 35m total
  • London to Donegal
Search Deals
4/9
  • 4/9
  • 1 total stop
  • 20h 00m 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 16 May 2026.
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

Cheapest return flight

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 30/5

14:25-20:00

1 stop5h 35m

Donegal

Sat 6/6

14:30-00:30

1 stop10h 00m

£118

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sat 30/5

13:15-20:00

1 stop6h 45m

Donegal

Sat 6/6

14:30-23:20

1 stop8h 50m

£118

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sat 6/6

16:15-20:00

1 stop3h 45m

Donegal

Mon 8/6

14:30-21:20

1 stop6h 50m

£121

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sat 6/6

12:05-20:00

1 stop7h 55m

Donegal

Mon 8/6

14:30-20:00

1 stop5h 30m

£137

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 11/6

21:40-14:00

1 stop16h 20m

Donegal

Thu 18/6

14:30-21:15

1 stop6h 45m

£140

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 11/6

08:30-14:00

1 stop5h 30m

Donegal

Thu 18/6

07:55-12:50

1 stop4h 55m

£141

LondonDonegal

STN - CFN

STNCFN

London Stansted

Fri 12/6

22:00-14:00

1 stop16h 00m

Donegal

Fri 19/6

14:30-22:25

1 stop7h 55m

£142
Fastest return journey

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 11/6

09:45-14:00

1 stop4h 15m

Donegal

Thu 18/6

14:30-18:25

1 stop3h 55m

£144

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 6/6

11:00-20:00

1 stop9h 00m

Donegal

Mon 8/6

07:55-22:20

2 stops14h 25m

£152

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Wed 10/6

15:35-20:00

1 stop4h 25m

Donegal

Sun 14/6

07:55-11:40

1 stop3h 45m

£163

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 53 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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. 0 airlines have 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 4h 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 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.

See more FAQs

Travelling to a place near Donegal?

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

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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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