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Cheap Flights from Southampton (SOU) to Donegal (CFN)

Compare Southampton to Donegal flight deals

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

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Flight deals from Southampton to Donegal

Looking for a cheap last-minute deal or the best return flight from Southampton to Donegal? Find the lowest prices on one-way and return tickets right here.
Donegal.$413 per passenger.Departing Sat, 27 Sep, returning Tue, 30 Sep.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Southampton on Sat, 27 Sep, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Tue, 30 Sep, arriving in Southampton.Price includes taxes and charges.From $413, select.
Donegal.$438 per passenger.Departing Sun, 19 Oct, returning Sun, 26 Oct.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Southampton on Sun, 19 Oct, arriving in Donegal.Inbound indirect flight with Aer Lingus, departs from Donegal on Sun, 26 Oct, arriving in Southampton.Price includes taxes and charges.From $438, select.
Donegal.$997 per passenger.Departing Thu, 12 Feb, returning Sun, 15 Feb.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Southampton on Thu, 12 Feb, arriving in Donegal.Inbound indirect flight with British Airways, departs from Donegal on Sun, 15 Feb, arriving in Southampton.Price includes taxes and charges.From $997, select.

Find the cheapest month to fly from Southampton to Donegal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Southampton to Donegal flights are currently cheapest in September.
Sep
from $413
Oct
from $438
Nov
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Dec
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Jan
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Feb
from $997
Mar
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Apr
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May
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Jun
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Jul
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Aug
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Southampton to Donegal: Alternative routes

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

Southampton to Donegal: Flight information

The things to know before you go.
Cheapest flight found$413
Cheapest month to flySeptember

Finding cheap flights from Southampton to Donegal: Frequently asked questions

The best price we found for a return flight from Southampton to Donegal is $413. 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.
Currently, there are no airlines that fly direct from Southampton to Donegal. But we found flights with one or more stops from $413.
As of September 2025, there are no flights flying from Southampton to Donegal.
The cheapest month to fly from Southampton to Donegal is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Donegal Airport on Saturday, 27 September 2025.
No airlines currently offer direct flights between Southampton Airport and Donegal Airport. Most routes have one or more stops.
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.
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.
Currently, Aer Lingus offers the cheapest flight tickets to Donegal.

Travelling from Southampton Airport (SOU) to Donegal Airport (CFN): what you need to know

  • Donegal's timezone is UTC+0, which is the same as Southampton.

  • Get to the airport on time so you don't miss your SOU to CFN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • During popular months like August, it's a good idea to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during peak periods in general.

  • If you'd love to tour a different city along the way, look for a flight with a stopover. To see your options for tickets from Southampton Airport to Donegal Airport, deselect 'Direct flights only.' Glasgow International Airport is a popular stop between SOU and CFN.

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

  • The cheapest price we've found for a one-way Southampton Airport to Donegal Airport flight is $327. A round-trip plane ticket is currently $413. Depending on the availability and when you book, these fares could change.

  • To score cheap tickets from SOU to CFN, book early. Airlines usually offer their best fares when flights are first made available.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search tool. It'll find the lowest price in each month when looking for a flight from Southampton Airport to Donegal Airport.

  • Spend less time searching for cheap flights from SOU to CFN by setting up a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Tailor your trip with filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Southampton Airport to Donegal Airport.

Handy information about Southampton Airport (SOU)

  • When it comes to the on-time performance of Southampton Airport, 55.7% of flights arrive within the scheduled timeframe.

  • To reach Southampton Airport from central Southampton, it takes around 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 8 kilometres from the airport to the city centre.

  • The journey on public transport will take about 25 minutes.

  • Get your journey off to a leisurely start by staying near SOU. Whether you have an early flight from Southampton Airport to Donegal Airport or just don't like being rushed, these stays are the answer:

Arriving at Donegal Airport (CFN)

  • Consider booking a hotel close to CFN if you're on a late Southampton Airport to Donegal Airport flight. Settle into one of these accommodation options and avoid the hassle of a long transfer:

  • Grab a Donegal Airport rental car and discover Donegal and beyond with your own set of wheels. Enterprise, Europcar and Keddy By Europcar are top providers to choose from here.

  • Reserve your vehicle from Donegal Airport a few weeks before your trip to get the best deal. If you're travelling during peak season, it's a good idea to book even earlier.

Getting from Donegal Airport (CFN) to central Donegal

  • From Donegal Airport, Donegal is approximately 72 kilometres away. It takes around 1 hour 5 minutes to reach the centre by car.

  • It typically takes 4 hours 10 minutes to get there by public transport.

When to fly to Donegal Airport (CFN)

  • July is the most popular month for flights from Southampton Airport to Donegal Airport. To skip the crowds, travel to Donegal in April.

  • The warmest month in Donegal is July, with temperatures ranging between 9ºC (48ºF) and 20ºC (68ºF). Lock in your flights from Southampton Airport to Donegal Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 0ºC (32ºF) and 8ºC (46ºF). Search for cheap tickets from SOU to CFN sometime then if you like cooler conditions.

Explore more of Ireland

  • Dublin is just one of the many places in Ireland waiting to be explored after you've experienced Donegal. Around 193 kilometres away to the south-east, popular attractions include Guinness Storehouse, Trinity College Library and Dublin Castle.

  • Cork is another standout destination in Ireland and is around 306 kilometres south of Donegal. No journey is complete without visiting Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.

Plan the rest of your trip from Southampton to Donegal

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.