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Cheap flights from London to Donegal from £62

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 17/6. 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
1 adult, Economy, 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 - 20:00
STN
-
CFN
13h 30m
1 stop
Multiple Airlines Logo
07:55 - 21:20
CFN
-
STN
13h 25m
1 stop
£110Multiple Airlines
Wed, 1 Jul - Wed, 15 Jul
Multiple Airlines Logo
06:15 - 20:00
LTN
-
CFN
13h 45m
1 stop
Multiple Airlines Logo
07:55 - 15:30
CFN
-
LTN
7h 35m
1 stop
£117Multiple Airlines
Wed, 1 Jul - Wed, 15 Jul
Multiple Airlines Logo
08:40 - 20:00
LGW
-
CFN
11h 20m
1 stop
Multiple Airlines Logo
07:55 - 17:05
CFN
-
LGW
9h 10m
1 stop
£125Multiple Airlines
Thu, 16 Jul - Thu, 23 Jul
Multiple Airlines Logo
15:35 - 20:00
LGW
-
CFN
4h 25m
1 stop
Multiple Airlines Logo
07:55 - 21:15
CFN
-
LGW
13h 20m
1 stop
£127Multiple Airlines
Wed, 1 Jul - Wed, 15 Jul
Multiple Airlines Logo
09:25 - 14:00
LTN
-
CFN
4h 35m
1 stop
Multiple Airlines Logo
07:55 - 15:30
CFN
-
LTN
7h 35m
1 stop
£134Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Multiple Airlines Logo
08:40 - 20:00
LGW
-
CFN
11h 20m
1 stop
Multiple Airlines Logo
07:55 - 21:15
CFN
-
LGW
13h 20m
1 stop
£139Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Multiple Airlines Logo
22:45 - 14:00
STN
-
CFN
15h 15m
1 stop
Multiple Airlines Logo
14:30 - 19:35
CFN
-
STN
5h 05m
1 stop
£139Multiple Airlines
Wed, 1 Jul - Wed, 15 Jul
Multiple Airlines Logo
06:05 - 20:00
STN
-
CFN
13h 55m
2 stops
Multiple Airlines Logo
14:30 - 19:35
CFN
-
STN
5h 05m
1 stop
£140Multiple Airlines
Thu, 9 Jul - Wed, 15 Jul
Aer Lingus Logo
15:50 - 20:00
LHR
-
CFN
4h 10m
1 stop
Aer Lingus Logo
14:30 - 08:05
CFN
-
LHR
17h 35m
1 stop
£201Aer Lingus
Sat, 15 Aug - Sun, 23 Aug
Aer Lingus Logo
14:20 - 20:00
LHR
-
CFN
5h 40m
1 stop
Aer Lingus Logo
07:55 - 18:55
CFN
-
LHR
11h 00m
1 stop
£202Aer Lingus
Wed, 1 Jul - Wed, 15 Jul

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
15 Aug
LHR15:50London Heathrow
4h 10m
1 stop
CFN20:00Donegal
23 Aug
CFN14:30Donegal
17h 35m
1 stop
LHR08:05London Heathrow
£201
Aer Lingus
1 Jul
LHR14:20London Heathrow
5h 40m
1 stop
CFN20:00Donegal
15 Jul
CFN07:55Donegal
11h 00m
1 stop
LHR18:55London Heathrow
£202
Aer Lingus
20 Jul
LHR20:10London Heathrow
17h 50m
1 stop
CFN14:00Donegal
27 Jul
CFN14:30Donegal
4h 25m
1 stop
LHR18:55London Heathrow
£205

British Airways flights from London to Donegal

Our best British Airways deals on London to Donegal flight tickets
British Airways
9 Jul
LHR06:20London Heathrow
7h 40m
1 stop
CFN14:00Donegal
15 Jul
CFN14:30Donegal
7h 15m
1 stop
LHR21:45London Heathrow
£377
British Airways
3 Dec
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
7 Dec
CFN08:00Donegal
8h 35m
1 stop
LHR16:35London Heathrow
£381
British Airways
3 Dec
LHR06:30London Heathrow
7h 30m
1 stop
CFN14:00Donegal
7 Dec
CFN08:00Donegal
11h 15m
1 stop
LHR19:15London Heathrow
£382

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 6 June 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 - CFN

STNCFN

London Stansted

Wed 1/7

06:30-20:00

1 stop13h 30m

Donegal

Wed 15/7

07:55-21:20

1 stop13h 25m

£110

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Wed 1/7

06:15-20:00

1 stop13h 45m

Donegal

Wed 15/7

07:55-15:30

1 stop7h 35m

£117

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 16/7

08:40-20:00

1 stop11h 20m

Donegal

Thu 23/7

07:55-17:05

1 stop9h 10m

£125

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Wed 1/7

15:35-20:00

1 stop4h 25m

Donegal

Wed 15/7

07:55-21:15

1 stop13h 20m

£127
Fastest return journey

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 9/7

09:25-14:00

1 stop4h 35m

Donegal

Wed 15/7

07:55-15:30

1 stop7h 35m

£134

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 9/7

08:40-20:00

1 stop11h 20m

Donegal

Wed 15/7

07:55-21:15

1 stop13h 20m

£139

LondonDonegal

STN - CFN

STNCFN

London Stansted

Wed 1/7

22:45-14:00

1 stop15h 15m

Donegal

Wed 15/7

14:30-19:35

1 stop5h 05m

£139

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 9/7

06:05-20:00

2 stops13h 55m

Donegal

Wed 15/7

14:30-19:35

1 stop5h 05m

£140

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sat 15/8

15:50-20:00

1 stop4h 10m

Donegal

Sun 23/8

14:30-08:05

1 stop17h 35m

£201

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Wed 1/7

14:20-20:00

1 stop5h 40m

Donegal

Wed 15/7

07:55-18:55

1 stop11h 00m

£202

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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.
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Frequently asked questions about flying from London to Donegal

  • 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 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.

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

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