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

Popular airlines from Southampton (SOU) to Donegal (CFN)

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Flights from Southampton (SOU) to Donegal (CFN)
Origin airport
Southampton
Destination airport
Donegal
Distance
404 mi

Southampton to Donegal Flights

The cheapest times to fly from Southampton to Donegal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Southampton to Donegal are during the month of . You can find some of the cheapest flights from Southampton to Donegal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Southampton to Donegal

Sunday is one of the best days to book for cheap flights from Southampton to Donegal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Southampton to Donegal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Southampton to Donegal in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Southampton to Donegal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Southampton to Donegal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Southampton Airport (SOU) to Donegal Airport (CFN) cost?
Lock in a cheap one-way flight or cheap return flight from Southampton Airport (SOU) to Donegal Airport (CFN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Southampton Airport (SOU) to Donegal Airport (CFN)?
The cheapest month to fly from SOU to CFN is , when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Southampton Airport (SOU) to Donegal Airport (CFN)?
To find the cheapest airline flying from SOU to CFN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Southampton Airport (SOU) to Donegal Airport (CFN)?
You'll have to catch a flight with a layover when traveling from Southampton Airport (SOU) to Donegal Airport (CFN). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SOU to CFN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Southampton Airport (SOU) to Donegal Airport (CFN)?
Choose a flight from Southampton Airport (SOU) to Donegal Airport (CFN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Southampton Airport (SOU) to Donegal Airport (CFN) last-minute?
Booking your flight from SOU to CFN shortly before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SOU to CFN flight and hotel package?
Securing a SOU to CFN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Southampton Airport (SOU) to Donegal Airport (CFN)?
In most instances, you're able to cancel or reschedule your SOU to CFN flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.