Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Donegal from £72

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 15/2. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 14:00
STN
-
CFN
7h 30m1 stop
Multiple Airlines Logo
13:00 - 23:05
CFN
-
STN
10h 05m1 stop
£128Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
08:50 - 14:00
LGW
-
CFN
5h 10m1 stop
Multiple Airlines Logo
10:00 - 19:45
CFN
-
LGW
9h 45m1 stop
£136Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
06:30 - 14:00
STN
-
CFN
7h 30m1 stop
Multiple Airlines Logo
13:00 - 07:40
CFN
-
STN
18h 40m2 stops
£137Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
09:00 - 14:00
LTN
-
CFN
5h 00m1 stop
Multiple Airlines Logo
10:00 - 16:05
CFN
-
LTN
6h 05m1 stop
£138Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
08:30 - 20:00
STN
-
CFN
11h 30m1 stop
Multiple Airlines Logo
13:00 - 07:50
CFN
-
STN
18h 50m1 stop
£141Multiple Airlines
Sun, 15 Feb - Sun, 22 Feb
Multiple Airlines Logo
15:15 - 20:00
LTN
-
CFN
4h 45m1 stop
Multiple Airlines Logo
13:00 - 08:55
CFN
-
LTN
19h 55m1 stop
£142Multiple Airlines
Sun, 15 Feb - Sun, 22 Feb
Multiple Airlines Logo
05:55 - 20:00
STN
-
CFN
14h 05m2 stops
Multiple Airlines Logo
13:00 - 07:40
CFN
-
STN
18h 40m2 stops
£160Multiple Airlines
Thu, 12 Feb - Sun, 15 Feb
Multiple Airlines Logo
08:25 - 12:35
LGW
-
CFN
4h 10m1 stop
Multiple Airlines Logo
10:00 - 15:25
CFN
-
LGW
5h 25m1 stop
£165Multiple Airlines
Sun, 15 Feb - Sun, 22 Feb
Aer Lingus Logo
07:50 - 14:00
LHR
-
CFN
6h 10m1 stop
Aer Lingus Logo
10:00 - 15:35
CFN
-
LHR
5h 35m1 stop
£189Aer Lingus
Thu, 12 Feb - Sun, 15 Feb
Aer Lingus Logo
15:10 - 20:00
LHR
-
CFN
4h 50m1 stop
Aer Lingus Logo
10:00 - 14:25
CFN
-
LHR
4h 25m1 stop
£199Aer Lingus
Sun, 15 Feb - Sun, 22 Feb

Aer Lingus flights from London to Donegal

Our best Aer Lingus deals on London to Donegal flight tickets
Aer Lingus
12 Feb
LHR07:50London Heathrow
6h 10m
1 stop
CFN14:00Donegal
15 Feb
CFN10:00Donegal
5h 35m
1 stop
LHR15:35London Heathrow
£188
Find similar
Aer Lingus
15 Feb
LHR15:10London Heathrow
4h 50m
1 stop
CFN20:00Donegal
22 Feb
CFN10:00Donegal
4h 25m
1 stop
LHR14:25London Heathrow
£199
Find similar
Aer Lingus
15 Feb
LCY13:15London City
6h 45m
1 stop
CFN20:00Donegal
22 Feb
CFN13:00Donegal
19h 35m
1 stop
LCY08:35London City
£427
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 2 January 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

Thu 12/2

06:30-14:00

1 stop7h 30m

Donegal

Sun 15/2

13:00-23:05

1 stop10h 05m

£128

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Thu 12/2

08:50-14:00

1 stop5h 10m

Donegal

Sun 15/2

10:00-19:45

1 stop9h 45m

£136

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 12/2

06:30-14:00

1 stop7h 30m

Donegal

Sun 15/2

13:00-07:40

2 stops18h 40m

£137

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Thu 12/2

09:00-14:00

1 stop5h 00m

Donegal

Sun 15/2

10:00-16:05

1 stop6h 05m

£138

LondonDonegal

STN - CFN

STNCFN

London Stansted

Sun 15/2

08:30-20:00

1 stop11h 30m

Donegal

Sun 22/2

13:00-07:50

1 stop18h 50m

£141

LondonDonegal

LTN - CFN

LTNCFN

London Luton

Sun 15/2

15:15-20:00

1 stop4h 45m

Donegal

Sun 22/2

13:00-08:55

1 stop19h 55m

£142

LondonDonegal

STN - CFN

STNCFN

London Stansted

Thu 12/2

05:55-20:00

2 stops14h 05m

Donegal

Sun 15/2

13:00-07:40

2 stops18h 40m

£160

LondonDonegal

LGW - CFN

LGWCFN

London Gatwick

Sun 15/2

08:25-12:35

1 stop4h 10m

Donegal

Sun 22/2

10:00-15:25

1 stop5h 25m

£165

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Thu 12/2

07:50-14:00

1 stop6h 10m

Donegal

Sun 15/2

10:00-15:35

1 stop5h 35m

£188

LondonDonegal

LHR - CFN

LHRCFN

London Heathrow

Sun 15/2

15:10-20:00

1 stop4h 50m

Donegal

Sun 22/2

10:00-14:25

1 stop4h 25m

£199

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 British Airways 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

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
1,418 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/2
Sun 8/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland