$233 Cheap Flights from London to Donegal in 2025

Compare London to Donegal flight deals

Find the cheapest month or even day of the year to fly to Donegal

Book the best Donegal fare with no extra fees

Flight deals from London to Donegal

Looking for a cheap last-minute deal or the best return flight from London to Donegal? Find the lowest prices on one-way and return tickets right here.

Donegal.$233 per passenger.Departing Tue, 14 Oct, returning Tue, 21 Oct.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Luton on Tue, 14 Oct, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Tue, 21 Oct, arriving in London Luton.Price includes taxes and charges.From $233, select.

Donegal.$238 per passenger.Departing Wed, 24 Sep, returning Thu, 25 Sep.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Wed, 24 Sep, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Thu, 25 Sep, arriving in London Stansted.Price includes taxes and charges.From $238, select.

Donegal.$289 per passenger.Departing Mon, 17 Nov, returning Wed, 19 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Luton on Mon, 17 Nov, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Wed, 19 Nov, arriving in London Luton.Price includes taxes and charges.From $289, select.

Donegal.$352 per passenger.Departing Thu, 18 Dec, returning Sun, 21 Dec.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 18 Dec, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Sun, 21 Dec, arriving in London Stansted.Price includes taxes and charges.From $352, select.

Donegal.$374 per passenger.Departing Thu, 30 Oct, returning Sun, 2 Nov.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 30 Oct, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Sun, 2 Nov, arriving in London Stansted.Price includes taxes and charges.From $374, select.

Donegal.$748 per passenger.Departing Fri, 23 Jan, returning Mon, 26 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Fri, 23 Jan, arriving in Donegal.Inbound indirect flight with British Airways, departs from Donegal on Mon, 26 Jan, arriving in London Heathrow.Price includes taxes and charges.From $748, select.

Donegal.$845 per passenger.Departing Sat, 27 Dec, returning Thu, 1 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 27 Dec, arriving in Donegal.Inbound indirect flight with British Airways, departs from Donegal on Thu, 1 Jan, arriving in London Heathrow.Price includes taxes and charges.From $845, select.

Find the cheapest month to fly from London to Donegal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Donegal flights are currently cheapest in October.

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

London to Donegal: Alternative routes

Compare routes from London to Donegal below. You may find an airport to fly into that's cheaper, faster, or easier than Donegal.

London to Donegal: Flight information

The things to know before you go.

Cheapest flight found	$233
Cheapest month to fly	October

Finding cheap flights from London to Donegal: Frequently asked questions

How much are return flights from London to Donegal?

The best price we found for a return flight from London to Donegal is $233. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London to Donegal?

Currently, there are no airlines that fly direct from London to Donegal. But we found flights with one stop from $233.

How many flights are there a week from London to Donegal?

As of September 2025, there are no flights flying from London to Donegal.

When is the cheapest time to fly from London to Donegal?

The cheapest month to fly from London to Donegal is usually October.

Which upcoming date is cheapest to fly from London to Donegal Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Donegal Airport on Tuesday, 14 October 2025.

Can I get a direct flight from London to Donegal Airport?

No airlines currently offer direct flights between London and Donegal Airport. Most routes have one or more stops.

How can I find the best flight deal to Donegal?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Donegal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Donegal?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Donegal is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from London to Donegal with?

The cheapest airline that flies to Donegal is Ryanair .

Flying from London to Donegal Airport (CFN): What you need to know

Take your pick of a range of airports when planning your flight from London to Donegal Airport (CFN). Check out your options for departing London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.
London and Donegal (where Donegal Airport is located) share the UTC+0 timezone. That means you won't need to change your watch when you land.
Arrive at the airport on time so you don't miss your flight from London to CFN. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.
If you're heading away during a major holiday or other peak period, allow extra time. Get there two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

Airports in London

London Heathrow Airport (LHR)

You might be able to make your cheap flight from London to CFN even cheaper with a stopover. Just uncheck 'Direct flights only' during your search to find cities that could split up the flight. Dublin Airport (DUB) is an option when departing from London Heathrow Airport (LHR).
LHR is around 31 kilometres from central London. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 55 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 1 hour.
Catching an early flight from London to Donegal Airport? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these hotels near London Heathrow Airport:
68.18% of flights taking off from London Heathrow Airport land at their destination on schedule.

London Gatwick Airport (LGW)

Break up your flight from London to Donegal Airport with a stop at Dublin Airport (DUB). A major connection between London Gatwick Airport and CFN, it's the perfect opportunity to enjoy some downtime before continuing your journey.
LGW is about 80 kilometres from central London. It takes 1 hour 20 minutes or so to get to the airport driving from the city centre. Public transport takes approximately 30 minutes.
Got a crack-of-dawn departure? You might like to check in to one of these hotels near London Gatwick Airport the day before your London to CFN flight:
When it comes to keeping flights punctual, London Gatwick Airport has an on-time arrival rate of 69.26%.

Stansted Airport (STN)

When organising your flight ticket from London to Donegal Airport (CFN) out of Stansted Airport (STN), you can choose from a few stopover options. Consider making a pit stop at Dublin Airport (DUB), one of the most popular connection points on this route.
STN is around 64 kilometres from central London. Driving from the city centre to the terminal takes about 1 hour. If you're planning to take public transport, expect a journey time of around 1 hour 25 minutes.
Make catching an early London to Donegal Airport flight the easiest part of your journey. Stay at one of these accommodation options near Stansted Airport and head to your check-in counter with plenty of time to spare:
Flights that take off from STN arrive at their destination as scheduled 64.73% of the time.

About Donegal Airport (CFN)

If you have a late flight from London to Donegal Airport, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these hotels near CFN:

Getting from Donegal Airport (CFN) to central Donegal

Donegal Airport to central Donegal is roughly 48 kilometres. If you're renting a car or getting a cab, do some research to make your trip as smooth as possible. Journey times will vary depending on traffic and the time of day.
If you're using public transport, expect a journey of around 4 hours 10 minutes.

How to find the cheapest flights from London to Donegal Airport (CFN)

$115 is the lowest price for a one-way ticket from London to Donegal Airport. Return flights start from $233. These fares may change based on availability and demand.
Don't leave things to the last minute. You're more likely to walk away with cheap flights from London to CFN if you book in advance. Airlines often have some great early bird rates.
Cheap London to Donegal Airport tickets are easier to find when you have flexibility in your schedule. Use the 'Whole month' search function to compare fares across every month and then pick the cheapest day.
Save time looking for cheap flight tickets from London to CFN by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.
Hunt down a great price on a flight from London to Donegal Airport with the help of the filters. Choose your ideal arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

The best time to fly from London to Donegal Airport (CFN)

Think about your travel style when planning your trip dates. April is the quietest month to go to Donegal. July is when most people book flights from London to Donegal Airport (CFN), which may be ideal if you enjoy travelling when it's busier.
When booking your London to CFN flight ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Donegal, with temperatures ranging from 9ºC (48ºF) to 20ºC (68ºF).
January sees temperatures of between 0ºC (32ºF) and 8ºC (46ºF). Look for cheap tickets from London to Donegal Airport around that time if you like cooler conditions.

More about Donegal

Once you've booked your flight from London to Donegal Airport, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Donegal:
There are so many things to do and see in this city, it can be difficult to know where to start. Donegal Castle, Donegal Town Diamond and The River Bank Walk, Donegal Town are popular attractions which should feature on every Donegal itinerary.

Explore more of Ireland

You've seen Donegal, now it's time to explore other corners of Ireland. Journey around 225 kilometres south-east to Dublin to check off its popular sights. From Trinity College Library to Guinness Storehouse and St. Patrick's Cathedral, you've got a jam-packed schedule ahead.
Around 241 kilometres south-east of Donegal, Tallaght is another favourite stop in Ireland. Experience the best of this destination with a visit to St. Mark's Parish, Church of the Incarnation, Fettercairn and Roadstone Retail Belgard.