C$175 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

Book the best Donegal fare with no extra fees

Flight deals from Southampton to Donegal

Looking for a cheap last-minute deal or the best return flight from Southampton Airport to Donegal Airport? If you want to travel next month, return fares start from C$337. Find the lowest prices on one-way and return tickets right here.

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 August.

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 foundC$175
Cheapest month to flyAugust

Finding cheap flights from Southampton to Donegal: Frequently asked questions

The best price we found for a return flight from Southampton to Donegal is C$336. 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 C$336.
As of July 2026, there are no flights flying from Southampton to Donegal.
The cheapest month to fly from Southampton to Donegal is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Donegal Airport on Tuesday, August 18, 2026.
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.

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

  • Flying during a peak time like August? Major public holidays and other popular periods can result in longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Choose a stopover if you prefer to break up your flight from Southampton Airport to Donegal Airport. To look at all your options, simply uncheck 'Direct flights only.' Dublin Airport is a top stopover on the SOU to CFN route.

  • Remember, you may need a visa to enter Ireland. Visa regulations can vary and travel documentation requirements change often. Before booking your cheap ticket from SOU to CFN, be sure to check with your carrier and your destination country's local consulate or embassy for current information.

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

  • The best price we've seen for a one-way ticket from Southampton Airport to Donegal Airport is C$175. The cheapest price for a return flight is C$336. Remember that fares could change due to demand at the time of booking.

  • To get your hands on cheap flight tickets from SOU to CFN, book in advance. Airlines typically offer the most competitive fares when flights are first released.

  • Getting cheap flight tickets from Southampton Airport to Donegal Airport is easy if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest prices across every month and score a great deal.

  • Snapping up a cheap ticket from SOU to CFN is straightforward with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as the price has dropped.

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

Handy information about Southampton Airport (SOU)

  • Located around 8 kilometres from central Southampton, Southampton Airport can be reached in approximately 19 minutes by car, depending on traffic. The ride by public transport takes roughly 26 minutes.

  • Searching for a handy hotel close to SOU? If you're catching an early flight from Southampton Airport to Donegal Airport, these stays will have you moments from check-in:

Arriving at Donegal Airport (CFN)

  • If you have a late flight from Southampton Airport to Donegal Airport, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these options near CFN:

Getting from Donegal Airport (CFN) to central Donegal

  • Donegal Airport to central Donegal takes about 1 hour and 4 minutes by car. It's approximately 72 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • Getting there on public transport typically takes 4 hours and 10 minutes.

When to fly to Donegal Airport (CFN)

  • It's time to pick your travel dates for your flight from Southampton Airport to Donegal Airport. July is the most popular month to visit Donegal. If you prefer a quieter vibe, go in April.

  • The warmest month in Donegal is July, with the temperature ranging between 9ºC and 20ºC. Book your flights from Southampton Airport to Donegal Airport in this month if this is the type of weather you enjoy.

  • January has average temperatures of between 0ºC and 8ºC. Look for cheap flight tickets from SOU to CFN sometime then if you'd rather travel in cooler conditions.

More about Donegal

  • Start your Donegal trip right by finding a fantastic stay. As soon as you've booked your flight from SOU to CFN, explore our range of hotel options including:

  • There are so many things to discover in this city it can be difficult to know where to start. Donegal Castle, Abbey of the Four Masters (The Abbey) and Donegal Railway Heritage Centre are major attractions which should be on every Donegal itinerary.

Complete your Donegal trip with hotels and a car rental

  • After you've secured your cheap ticket to Donegal Airport, discover our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to get the best car rental price for your Donegal escape.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.