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Cheap flights from London to Donegal from £64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Donegal departing on 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 12:25
STN
-
CFN
5h 55m
1 stop
Multiple Airlines Logo
20:30 - 07:50
CFN
-
STN
11h 20m
1 stop
£123Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
20:35 - 07:35
LGW
-
CFN
11h 00m
1 stop
Multiple Airlines Logo
08:00 - 17:05
CFN
-
LGW
9h 05m
1 stop
£126Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
06:30 - 20:00
STN
-
CFN
13h 30m
1 stop
Multiple Airlines Logo
20:30 - 07:50
CFN
-
STN
11h 20m
1 stop
£127Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
21:40 - 07:35
LTN
-
CFN
9h 55m
1 stop
Multiple Airlines Logo
08:00 - 21:15
CFN
-
LTN
13h 15m
1 stop
£129Multiple Airlines
Thu, 9 Apr - Thu, 16 Apr
Multiple Airlines Logo
08:25 - 20:00
LGW
-
CFN
11h 35m
1 stop
Multiple Airlines Logo
08:00 - 11:40
CFN
-
LGW
3h 40m
1 stop
£129Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
06:00 - 14:00
LTN
-
CFN
8h 00m
1 stop
Multiple Airlines Logo
07:55 - 16:15
CFN
-
LTN
8h 20m
1 stop
£133Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
06:50 - 14:00
LTN
-
CFN
7h 10m
1 stop
Multiple Airlines Logo
14:30 - 16:15
CFN
-
LTN
25h 45m
1 stop
£135Multiple Airlines
Wed, 11 Mar - Fri, 13 Mar
Multiple Airlines Logo
17:00 - 12:25
STN
-
CFN
19h 25m
1 stop
Multiple Airlines Logo
14:30 - 18:20
CFN
-
STN
3h 50m
1 stop
£135Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Aer Lingus Logo
15:10 - 20:00
LHR
-
CFN
4h 50m
1 stop
Aer Lingus Logo
20:30 - 08:05
CFN
-
LHR
11h 35m
1 stop
£205Aer Lingus
Thu, 9 Apr - Thu, 16 Apr
Aer Lingus Logo
15:15 - 20:00
LHR
-
CFN
4h 45m
1 stop
Aer Lingus Logo
14:30 - 21:05
CFN
-
LHR
6h 35m
1 stop
£212Aer Lingus
Sat, 7 Mar - Sat, 14 Mar

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
9 Apr
LHR15:10London Heathrow
4h 50m
1 stop
CFN20:00Donegal
16 Apr
CFN20:30Donegal
11h 35m
1 stop
LHR08:05London Heathrow
£205
Aer Lingus
7 Mar
LHR15:15London Heathrow
4h 45m
1 stop
CFN20:00Donegal
14 Mar
CFN14:30Donegal
6h 35m
1 stop
LHR21:05London Heathrow
£212
Aer Lingus
7 Mar
LHR15:15London Heathrow
4h 45m
1 stop
CFN20:00Donegal
14 Mar
CFN14:30Donegal
5h 20m
1 stop
LHR19:50London Heathrow
£215

British Airways flights from London to Donegal

Our best British Airways deals on London to Donegal flight tickets
British Airways
21 Mar
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
25 Mar
CFN14:30Donegal
6h 35m
1 stop
LHR21:05London Heathrow
£433
British Airways
21 Mar
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
25 Mar
CFN14:30Donegal
5h 20m
1 stop
LHR19:50London Heathrow
£434
British Airways
21 Mar
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
25 Mar
CFN14:30Donegal
5h 20m
1 stop
LHR19:50London Heathrow
£435

momondo 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, momondo users made 279,928 searches. Data last updated 24 February 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

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sun 22/3

06:30-12:25

1 stop5h 55m

Donegal

Sun 29/3

20:30-07:50

1 stop11h 20m

£123

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 9/4

20:35-07:35

1 stop11h 00m

Donegal

Thu 16/4

08:00-17:05

1 stop9h 05m

£126

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 9/4

06:30-20:00

1 stop13h 30m

Donegal

Thu 16/4

20:30-07:50

1 stop11h 20m

£127

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 9/4

21:40-07:35

1 stop9h 55m

Donegal

Thu 16/4

08:00-21:15

1 stop13h 15m

£129

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sun 22/3

08:25-20:00

1 stop11h 35m

Donegal

Sun 29/3

08:00-11:40

1 stop3h 40m

£129

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sat 7/3

06:00-14:00

1 stop8h 00m

Donegal

Sat 14/3

07:55-16:15

1 stop8h 20m

£133

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Wed 11/3

06:50-14:00

1 stop7h 10m

Donegal

Fri 13/3

14:30-16:15

1 stop25h 45m

£135

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sat 7/3

17:00-12:25

1 stop19h 25m

Donegal

Sat 14/3

14:30-18:20

1 stop3h 50m

£135

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Thu 9/4

15:10-20:00

1 stop4h 50m

Donegal

Thu 16/4

20:30-08:05

1 stop11h 35m

£205

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 7/3

15:15-20:00

1 stop4h 45m

Donegal

Sat 14/3

14:30-21:05

1 stop6h 35m

£212

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Donegal from

How to get the cheapest flight ticket from London to Donegal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Donegal?

Aer Lingus and Loganair are the most popular carriers operating from London to Donegal

When to book flights from London to Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from London to Donegal according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Donegal (LON to CFN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Donegal

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from London to Donegal takes 3h 45m
There are no direct flights from London to Donegal. There are no popular flight routes from London to Donegal.
Search flight deals

  • How far is London to Donegal by plane?

    There are 396.1 mi between London and Donegal. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Donegal Airport?

    Prices for flights from London to Donegal Airport refresh daily.

  • How many operators does momondo search for flights from London to Donegal Airport?

  • How old do you have to be to fly from London to Donegal Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Donegal Airport.

  • What documentation or ID do you need to fly to Donegal Airport?

    The required travel and health documents for your Donegal Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Donegal Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London to Donegal

Compare and see reviews for airlines that fly from London to Donegal with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom £170Free CancellationRating
7.2
1,463 reviews
Search Aer Lingus flights

Travelling to a place near Donegal?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Donegal?

It is quick and easy to find London to Donegal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Donegal that suits you.

Can I find flights from London to Donegal with flexible booking policies on momondo?

All flight searches from London to Donegal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Donegal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Donegal.

I’m not ready to book a flight from London to Donegal right now. Can momondo alert me if prices change?

Price alerts on flights to Donegal from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Donegal trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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