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Cheap flights from London to Donegal from £224

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Donegal departing on 22/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

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Multiple Airlines Logo
06:00 - 14:00LTN-CFN
8h 00m1 stop
Multiple Airlines Logo
07:55 - 22:00CFN-LTN
14h 05m1 stop
£224Multiple Airlines
Find Deal
lun., 22 déc. - lun., 29 déc.
Multiple Airlines Logo
14:40 - 20:00STN-CFN
5h 20m1 stop
Multiple Airlines Logo
10:00 - 16:35CFN-STN
6h 35m1 stop
£254Multiple Airlines
Find Deal
dim., 21 déc. - dim., 28 déc.
Multiple Airlines Logo
15:15 - 20:00LTN-CFN
4h 45m1 stop
Multiple Airlines Logo
10:00 - 18:15CFN-LTN
8h 15m1 stop
£260Multiple Airlines
Find Deal
dim., 21 déc. - dim., 28 déc.
Multiple Airlines Logo
08:25 - 18:45LTN-CFN
10h 20m1 stop
Multiple Airlines Logo
19:15 - 08:15CFN-LTN
13h 00m1 stop
£276Multiple Airlines
Find Deal
dim., 21 déc. - dim., 28 déc.
Multiple Airlines Logo
09:25 - 13:30LGW-CFN
4h 05m1 stop
Multiple Airlines Logo
14:00 - 22:00CFN-LGW
8h 00m1 stop
£278Multiple Airlines
Find Deal
ven., 5 déc. - ven., 12 déc.
Multiple Airlines Logo
18:30 - 14:00STN-CFN
19h 30m2 stops
Multiple Airlines Logo
19:15 - 08:40CFN-STN
13h 25m1 stop
£282Multiple Airlines
Find Deal
dim., 21 déc. - dim., 28 déc.
Aer Lingus Logo
07:50 - 14:00LHR-CFN
6h 10m1 stop
Aer Lingus Logo
07:55 - 16:50CFN-LHR
8h 55m1 stop
£284Aer Lingus
Find Deal
ven., 5 déc. - ven., 12 déc.
British Airways Logo
06:30 - 14:00LHR-CFN
7h 30m1 stop
British Airways Logo
14:30 - 21:05CFN-LHR
6h 35m1 stop
£523British Airways
Find Deal
lun., 22 déc. - lun., 29 déc.
Aer Lingus Logo
18:05 - 14:00LCY-CFN
19h 55m1 stop
Aer Lingus Logo
10:00 - 21:30CFN-LCY
11h 30m1 stop
£532Aer Lingus
Find Deal
dim., 21 déc. - dim., 28 déc.
Aer Lingus Logo
18:05 - 14:00LCY-CFN
19h 55m1 stop
Aer Lingus Logo
13:00 - 21:30CFN-LCY
8h 30m1 stop
£567Aer Lingus
Find Deal
dim., 21 déc. - dim., 28 déc.

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
5 Dec
LHR07:50London Heathrow
6h 10m
1 stop
CFN14:00Donegal
12 Dec
CFN07:55Donegal
8h 55m
1 stop
LHR16:50London Heathrow
£284
Find similar
Aer Lingus
21 Dec
LCY18:05London City
19h 55m
1 stop
CFN14:00Donegal
28 Dec
CFN10:00Donegal
11h 30m
1 stop
LCY21:30London City
£532
Find similar
Aer Lingus
21 Dec
LCY18:05London City
19h 55m
1 stop
CFN14:00Donegal
28 Dec
CFN13:00Donegal
8h 30m
1 stop
LCY21:30London City
£567
Find similar

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 7 novembre 2025.
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

LTN - CFN

LTNCFN

London Luton

lun. 22/12

06:00-14:00

1 stop8h 00m

Donegal

lun. 29/12

07:55-22:00

1 stop14h 05m

£224

LondonDonegal

STN - CFN

STNCFN

London Stansted

dim. 21/12

14:40-20:00

1 stop5h 20m

Donegal

dim. 28/12

10:00-16:35

1 stop6h 35m

£254

LondonDonegal

LTN - CFN

LTNCFN

London Luton

dim. 21/12

15:15-20:00

1 stop4h 45m

Donegal

dim. 28/12

10:00-18:15

1 stop8h 15m

£260

LondonDonegal

LTN - CFN

LTNCFN

London Luton

dim. 21/12

08:25-18:45

1 stop10h 20m

Donegal

dim. 28/12

19:15-08:15

1 stop13h 00m

£276

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

ven. 5/12

09:25-13:30

1 stop4h 05m

Donegal

ven. 12/12

14:00-22:00

1 stop8h 00m

£278

LondonDonegal

STN - CFN

STNCFN

London Stansted

dim. 21/12

18:30-14:00

2 stops19h 30m

Donegal

dim. 28/12

19:15-08:40

1 stop13h 25m

£282

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

ven. 5/12

07:50-14:00

1 stop6h 10m

Donegal

ven. 12/12

07:55-16:50

1 stop8h 55m

£284

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

lun. 22/12

06:30-14:00

1 stop7h 30m

Donegal

lun. 29/12

14:30-21:05

1 stop6h 35m

£523

LondonDonegal

LCY - CFN

LCYCFN

London City

dim. 21/12

18:05-14:00

1 stop19h 55m

Donegal

dim. 28/12

10:00-21:30

1 stop11h 30m

£532

LondonDonegal

LCY - CFN

LCYCFN

London City

dim. 21/12

18:05-14:00

1 stop19h 55m

Donegal

dim. 28/12

13:00-21:30

1 stop8h 30m

£567

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 day to depart on your flight to Donegal?

The cheapest day to depart on your flight to Donegal is on a Wednesday when prices can be found for as low as £209. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £310. These prices are subject to change though, so be sure to set up a Price Alert for flights to Donegal.

What is the cheapest time of day to depart on your flight to Donegal?

Flying to Donegal from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as £281 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Donegal is in the afternoon when prices are around £307.

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

Direct flights

None
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 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 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 £176Free CancellationRating
7.2
1,365 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

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