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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 15/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 20:00
STN
-
CFN
13h 30m
1 stop
Multiple Airlines Logo
20:30 - 09:50
CFN
-
STN
13h 20m
1 stop
£108Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:15 - 20:00
LTN
-
CFN
11h 45m
1 stop
Multiple Airlines Logo
20:30 - 09:15
CFN
-
LTN
12h 45m
1 stop
£110Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:30 - 07:35
LGW
-
CFN
10h 05m
1 stop
Multiple Airlines Logo
20:30 - 07:55
CFN
-
LGW
11h 25m
1 stop
£114Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
14:25 - 20:00
LTN
-
CFN
5h 35m
1 stop
Multiple Airlines Logo
08:00 - 11:25
CFN
-
LTN
3h 25m
1 stop
£121Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
06:30 - 20:00
STN
-
CFN
13h 30m
1 stop
Multiple Airlines Logo
08:00 - 21:20
CFN
-
STN
13h 20m
1 stop
£124Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
08:15 - 20:00
LTN
-
CFN
11h 45m
1 stop
Multiple Airlines Logo
20:30 - 16:05
CFN
-
LTN
19h 35m
2 stops
£126Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
22:00 - 07:35
STN
-
CFN
9h 35m
1 stop
Multiple Airlines Logo
08:00 - 23:50
CFN
-
STN
15h 50m
2 stops
£126Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:30 - 07:35
LGW
-
CFN
10h 05m
1 stop
Multiple Airlines Logo
08:00 - 17:55
CFN
-
LGW
9h 55m
1 stop
£127Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr
Aer Lingus Logo
07:40 - 20:00
LHR
-
CFN
12h 20m
1 stop
Aer Lingus Logo
20:30 - 10:20
CFN
-
LHR
13h 50m
1 stop
£201Aer Lingus
Mon, 13 Apr - Mon, 20 Apr
Aer Lingus Logo
20:45 - 12:25
LHR
-
CFN
15h 40m
1 stop
Aer Lingus Logo
14:30 - 21:05
CFN
-
LHR
6h 35m
1 stop
£215Aer Lingus
Sat, 21 Mar - Wed, 25 Mar

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
13 Apr
LHR07:40London Heathrow
12h 20m
1 stop
CFN20:00Donegal
20 Apr
CFN20:30Donegal
13h 50m
1 stop
LHR10:20London Heathrow
£201
Aer Lingus
21 Mar
LHR20:45London Heathrow
15h 40m
1 stop
CFN12:25Donegal
25 Mar
CFN14:30Donegal
6h 35m
1 stop
LHR21:05London Heathrow
£215
Aer Lingus
13 Apr
LHR19:35London Heathrow
12h 00m
1 stop
CFN07:35Donegal
20 Apr
CFN08:00Donegal
9h 20m
1 stop
LHR17:20London Heathrow
£224

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
7h 30m
1 stop
LHR22:00London Heathrow
£398
British Airways
21 Mar
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
25 Mar
CFN14:30Donegal
7h 30m
1 stop
LHR22:00London Heathrow
£417

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 1 March 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

Mon 13/4

06:30-20:00

1 stop13h 30m

Donegal

Mon 20/4

20:30-09:50

1 stop13h 20m

£108

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 13/4

08:15-20:00

1 stop11h 45m

Donegal

Mon 20/4

20:30-09:15

1 stop12h 45m

£110

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Mon 13/4

21:30-07:35

1 stop10h 05m

Donegal

Mon 20/4

20:30-07:55

1 stop11h 25m

£114

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 13/4

14:25-20:00

1 stop5h 35m

Donegal

Mon 20/4

08:00-11:25

1 stop3h 25m

£121

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 13/4

06:30-20:00

1 stop13h 30m

Donegal

Mon 20/4

08:00-21:20

1 stop13h 20m

£124

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Mon 13/4

08:15-20:00

1 stop11h 45m

Donegal

Mon 20/4

20:30-16:05

2 stops19h 35m

£126

LondonDonegal

STN - CFN

STNCFN

London Stansted

Mon 13/4

22:00-07:35

1 stop9h 35m

Donegal

Mon 20/4

08:00-23:50

2 stops15h 50m

£126

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Mon 13/4

21:30-07:35

1 stop10h 05m

Donegal

Mon 20/4

08:00-17:55

1 stop9h 55m

£127

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Mon 13/4

07:40-20:00

1 stop12h 20m

Donegal

Mon 20/4

20:30-10:20

1 stop13h 50m

£201

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 21/3

20:45-12:25

1 stop15h 40m

Donegal

Wed 25/3

14:30-21:05

1 stop6h 35m

£215

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 is the most popular carrier 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

4h 10m

Direct flights

None
The fastest flight from London to Donegal takes 4h 10m
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 4h 10m, 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 £171Free CancellationRating
7.2
1,464 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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