61 - 243 GBP
Most travellers find the cheapest return airfare to Donegal when booking during the month of January.
Most flyers found that booking flight tickets 38 days in advance of their planned departure date is, on average, the best time to get cheap flights to Donegal.
In general, booking your departure to Donegal for a Monday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.
Generally, when visiting Donegal, morning flights represent the best value. evening flights are likely to have higher prices.