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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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CFN
17 Sep — 24 Sep1
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 18 August 2026.

Sat 19/906:35 -
1 stop13h 25m
Sat 26/907:55 -
1 stop9h 40m
Deal found 14/8£111
Sat 12/916:15 -
1 stop3h 45m
Tue 15/907:55 -
1 stop4h 55m
Deal found 15/8£111
Wed 30/906:15 -
1 stop7h 45m
Wed 7/1007:55 -
1 stop5h 30m
Deal found 16/8£114
Sat 19/908:50 -
1 stop11h 10m
Sat 26/907:55 -
1 stop11h 00m
Deal found 14/8£114
Thu 17/906:30 -
1 stop7h 30m
Wed 23/914:30 -
1 stop7h 50m
Deal found 14/8£114
Thu 24/913:15 -
1 stop6h 45m
Wed 30/914:30 -
1 stop7h 50m
Deal found 17/8£114
Wed 30/915:35 -
1 stop4h 25m
Wed 7/1014:30 -
1 stop6h 45m
Deal found 16/8£115
Thu 10/909:45 -
1 stop4h 15m
Sat 12/914:30 -
1 stop6h 15m
Deal found 17/8£116
Sat 19/914:25 -
1 stop5h 35m
Sat 26/914:30 -
1 stop10h 00m
Deal found 14/8£117
Thu 17/914:45 -
1 stop5h 15m
Thu 24/914:30 -
1 stop6h 10m
Deal found 17/8£117
Thu 24/913:10 -
1 stop6h 50m
Wed 30/907:55 -
1 stop7h 15m
Deal found 17/8£117
Sat 12/906:35 -
1 stop7h 25m
Sat 19/914:30 -
1 stop6h 50m
Deal found 17/8£117

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 18 August 2026.

Round-trip from

£111

One-way from

£64
19/9-26/9
  • 19/9-26/9
  • 2 total stops
  • 23h 05m total
  • London to Donegal
Search Deals
10/9
  • 10/9
  • 1 total stop
  • 4h 15m 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 18 August 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

STN London Stansted - CFN Donegal

STNCFN

London Stansted

Sat 19/9

06:35-20:00

1 stop13h 25m

Donegal

Sat 26/9

07:55-17:35

1 stop9h 40m

£111
Fastest return journey

LondonDonegal

STN London Stansted - CFN Donegal

STNCFN

London Stansted

Sat 12/9

16:15-20:00

1 stop3h 45m

Donegal

Tue 15/9

07:55-12:50

1 stop4h 55m

£111

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Wed 30/9

06:15-14:00

1 stop7h 45m

Donegal

Wed 7/10

07:55-13:25

1 stop5h 30m

£114

LondonDonegal

STN London Stansted - CFN Donegal

STNCFN

London Stansted

Thu 17/9

06:30-14:00

1 stop7h 30m

Donegal

Wed 23/9

14:30-22:20

1 stop7h 50m

£114

LondonDonegal

LGW London Gatwick - CFN Donegal

LGWCFN

London Gatwick

Wed 30/9

15:35-20:00

1 stop4h 25m

Donegal

Wed 7/10

14:30-21:15

1 stop6h 45m

£115

LondonDonegal

LGW London Gatwick - CFN Donegal

LGWCFN

London Gatwick

Thu 10/9

09:45-14:00

1 stop4h 15m

Donegal

Sat 12/9

14:30-20:45

1 stop6h 15m

£116

LondonDonegal

LGW London Gatwick - CFN Donegal

LGWCFN

London Gatwick

Thu 17/9

14:45-20:00

1 stop5h 15m

Donegal

Thu 24/9

14:30-20:40

1 stop6h 10m

£117

LondonDonegal

STN London Stansted - CFN Donegal

STNCFN

London Stansted

Sat 12/9

06:35-14:00

1 stop7h 25m

Donegal

Sat 19/9

14:30-21:20

1 stop6h 50m

£117

LondonDonegal

LTN London Luton - CFN Donegal

LTNCFN

London Luton

Thu 24/9

15:50-20:00

1 stop4h 10m

Donegal

Wed 30/9

07:55-15:30

1 stop7h 35m

£118

LondonDonegal

STN London Stansted - CFN Donegal

STNCFN

London Stansted

Mon 28/9

06:30-14:00

1 stop7h 30m

Donegal

Mon 5/10

14:30-22:20

1 stop7h 50m

£118

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 37 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 50m. 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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