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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 28/7. 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 - 20:00
STN
-
CFN
13h 30m
1 stop
Multiple Airlines Logo
07:55 - 19:35
CFN
-
STN
11h 40m
1 stop
£112Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
06:30 - 14:00
STN
-
CFN
7h 30m
1 stop
Multiple Airlines Logo
14:30 - 23:20
CFN
-
STN
8h 50m
1 stop
£115Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
09:45 - 20:00
LGW
-
CFN
10h 15m
1 stop
Multiple Airlines Logo
07:55 - 20:15
CFN
-
LGW
12h 20m
1 stop
£120Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
09:25 - 20:00
LTN
-
CFN
10h 35m
1 stop
Multiple Airlines Logo
14:30 - 22:10
CFN
-
LTN
7h 40m
1 stop
£123Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
09:25 - 14:00
LTN
-
CFN
4h 35m
1 stop
Multiple Airlines Logo
14:30 - 22:10
CFN
-
LTN
7h 40m
1 stop
£124Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
09:45 - 14:00
LGW
-
CFN
4h 15m
1 stop
Multiple Airlines Logo
14:30 - 20:15
CFN
-
LGW
5h 45m
1 stop
£126Multiple Airlines
Thu, 2 Jul - Wed, 8 Jul
Multiple Airlines Logo
21:40 - 14:00
LTN
-
CFN
16h 20m
1 stop
Multiple Airlines Logo
07:55 - 15:25
CFN
-
LTN
7h 30m
1 stop
£135Multiple Airlines
Thu, 11 Jun - Thu, 18 Jun
Multiple Airlines Logo
06:30 - 14:00
STN
-
CFN
7h 30m
1 stop
Multiple Airlines Logo
14:30 - 23:25
CFN
-
STN
8h 55m
1 stop
£135Multiple Airlines
Thu, 25 Jun - Mon, 29 Jun
Aer Lingus Logo
15:50 - 20:00
LHR
-
CFN
4h 10m
1 stop
Aer Lingus Logo
07:55 - 17:20
CFN
-
LHR
9h 25m
1 stop
£206Aer Lingus
Tue, 11 Aug - Sat, 15 Aug
Aer Lingus Logo
15:50 - 20:00
LHR
-
CFN
4h 10m
1 stop
Aer Lingus Logo
14:30 - 18:20
CFN
-
LHR
3h 50m
1 stop
£207Aer Lingus
Tue, 11 Aug - Sat, 15 Aug

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
11 Aug
LHR15:50London Heathrow
4h 10m
1 stop
CFN20:00Donegal
15 Aug
CFN14:30Donegal
3h 50m
1 stop
LHR18:20London Heathrow
£207
Aer Lingus
11 Aug
LHR15:10London Heathrow
4h 50m
1 stop
CFN20:00Donegal
15 Aug
CFN14:30Donegal
5h 50m
1 stop
LHR20:20London Heathrow
£208
Aer Lingus
23 Jul
LHR07:40London Heathrow
12h 20m
1 stop
CFN20:00Donegal
26 Jul
CFN14:30Donegal
6h 25m
1 stop
LHR20:55London Heathrow
£216

British Airways flights from London to Donegal

Our best British Airways deals on London to Donegal flight tickets
British Airways
2 Jul
LHR06:20London Heathrow
7h 40m
1 stop
CFN14:00Donegal
8 Jul
CFN14:30Donegal
7h 15m
1 stop
LHR21:45London Heathrow
£380
British Airways
27 Sept
LHR08:15London Heathrow
5h 45m
1 stop
CFN14:00Donegal
30 Sept
CFN14:30Donegal
6h 30m
1 stop
LHR21:00London Heathrow
£386
British Airways
27 Sept
LHR06:20London Heathrow
7h 40m
1 stop
CFN14:00Donegal
30 Sept
CFN14:30Donegal
7h 15m
1 stop
LHR21:45London Heathrow
£387

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 28 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

STN - CFN

STNCFN

London Stansted

Thu 2/7

06:30-20:00

1 stop13h 30m

Donegal

Wed 8/7

07:55-19:35

1 stop11h 40m

£112

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 2/7

06:30-14:00

1 stop7h 30m

Donegal

Wed 8/7

14:30-23:20

1 stop8h 50m

£115

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 2/7

09:45-20:00

1 stop10h 15m

Donegal

Wed 8/7

07:55-20:15

1 stop12h 20m

£120

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 2/7

09:25-20:00

1 stop10h 35m

Donegal

Wed 8/7

14:30-22:10

1 stop7h 40m

£123

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 2/7

09:25-14:00

1 stop4h 35m

Donegal

Wed 8/7

14:30-22:10

1 stop7h 40m

£124

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 2/7

09:45-14:00

1 stop4h 15m

Donegal

Wed 8/7

14:30-20:15

1 stop5h 45m

£126

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 11/6

21:40-14:00

1 stop16h 20m

Donegal

Thu 18/6

07:55-15:25

1 stop7h 30m

£135

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 25/6

06:30-14:00

1 stop7h 30m

Donegal

Mon 29/6

14:30-23:25

1 stop8h 55m

£135

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Tue 11/8

15:50-20:00

1 stop4h 10m

Donegal

Sat 15/8

07:55-17:20

1 stop9h 25m

£206
Fastest return journey

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Tue 11/8

15:50-20:00

1 stop4h 10m

Donegal

Sat 15/8

14:30-18:20

1 stop3h 50m

£207

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 50m

Direct flights

None
The fastest flight from London to Donegal takes 3h 50m
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 50m, 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.

Frequently asked questions about flying from London to Donegal

  • How do I get Price Alerts for flights from London to Donegal?

    Search flight deals from London to Donegal. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from London to Donegal with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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