£125+ Cheap flights to Donegal
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals to Donegal
Cheapest flights to DonegalExplore the most affordable flight options available to Donegal. Find the lowest fares based on data from user searches, with prices last updated on 29 October 2025.
Explore the most affordable flight options available to Donegal. Find the lowest fares based on data from user searches, with prices last updated on 29 October 2025.
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Use the filters below to find and compare flights to Donegal that are best for you.
Fly from
Route
Depart
Return
Price
LondonDonegal
LGW - CFN
LGWCFN
London Gatwick
Tue 25/11
11:25-20:00
1 stop8h 35m
Donegal
Tue 2/12
07:55-17:20
1 stop9h 25m
LondonDonegal
STN - CFN
STNCFN
London Stansted
Tue 25/11
06:30-14:00
1 stop7h 30m
Donegal
Tue 2/12
07:55-14:20
1 stop6h 25m
LondonDonegal
LTN - CFN
LTNCFN
London Luton
Fri 12/12
05:50-14:00
1 stop8h 10m
Donegal
Fri 19/12
14:30-20:30
1 stop6h 00m
LondonDonegal
STN - CFN
STNCFN
London Stansted
Tue 16/12
06:30-14:00
1 stop7h 30m
Donegal
Sun 21/12
13:00-20:05
1 stop7h 05m
LondonDonegal
LGW - CFN
LGWCFN
London Gatwick
Tue 16/12
08:50-14:00
1 stop5h 10m
Donegal
Sun 21/12
13:00-21:10
1 stop8h 10m
LondonDonegal
STN - CFN
STNCFN
London Stansted
Fri 12/12
08:30-14:00
1 stop5h 30m
Donegal
Fri 19/12
14:30-23:20
1 stop8h 50m
LondonDonegal
LGW - CFN
LGWCFN
London Gatwick
Wed 10/12
21:40-14:00
1 stop16h 20m
Donegal
Wed 17/12
14:30-19:30
1 stop5h 00m
LondonDonegal
STN - CFN
STNCFN
London Stansted
Wed 10/12
06:30-14:00
1 stop7h 30m
Donegal
Wed 17/12
07:55-14:20
1 stop6h 25m
LondonDonegal
LTN - CFN
LTNCFN
London Luton
Tue 16/12
09:00-14:00
1 stop5h 00m
Donegal
Sun 21/12
13:00-18:15
1 stop5h 15m
LondonDonegal
LGW - CFN
LGWCFN
London Gatwick
Fri 12/12
14:55-20:00
1 stop5h 05m
Donegal
Fri 19/12
14:30-19:45
1 stop5h 15m
Best time to book a flight to Donegal
Have a flexible travel schedule? Discover the best time to fly to Donegal with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Donegal
How long is the flight to Donegal?
On average, a flight from London to Donegal takes 9 hours 33 minutes. Flights to Donegal from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.
What are the most popular airlines that fly to Donegal?
The most popular airline flying from London to Donegal is Aer Lingus.
What are the cheapest airlines that fly to Donegal?
The cheapest airline flying from London to Donegal is Aer Lingus.
Rainfall in Donegal by month
Plan your trip to Donegal by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Donegal ranges from 58.0 - 118.0 inches per month. October is typically the wettest month, when rainfall can reach 118.0 mm. April is typically the driest time to visit Donegal when rainfall is around 58.0 mm.
Temperature in Donegal by month
Plan your trip to Donegal by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Donegal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 14.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
FAQs about flying to Donegal
Getting around Donegal
Donegal is very small with every section accessible by foot.
Getting from the Airport to the City
The closest international airport to Donegal is Aldergrove, Belfast Airport (BFS) just outside Belfast, with flights to Donegal arriving from across the United Kingdom and Europe. Donegal does, however, have its own regional airport (CFN), connected with Dublin and Glasgow. Bus services to and from Donegal run daily, while Aldergrove can also be reached by bus, with departure once every four hours. It is highly recommended that you hire a car for your stay as many attractions are not accessible by public transport.
Travelling to a place near Donegal?
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How does Cheapflights help users find flights to Donegal?
Cheapflights makes it easy to find Donegal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets to Donegal?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Donegal.
Can Cheapflights find flights to Donegal with no change fees?
Yes! Cheapflights helps users easily find flights to Donegal with no change fees.
Can Cheapflights notify me if prices for flights to Donegal become cheaper?
Not ready to book yet? You can track prices for flights to Donegal on Cheapflights with our Price Alerts feature and get notified when better prices are available.