Find cheap flights to Donegal

Those flying to Donegal could potentially find better pricing at Knock Intl Airport (59 mi from Donegal city centre) or Galway Airport (99 mi from Donegal city centre) depending on the month and departure airport.

Knock Intl Airport has an average price of £65 per person and is typically the cheapest airport to fly into when visiting Donegal. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

£32 is the cheapest deal found on momondo in the last two weeks for a flight to Donegal. This flight is from Bristol and is 50% cheaper than most flights to Donegal. To find the cheapest price to Donegal from your area, use momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to Donegal Airport were last updated today.

As of April 2026, there are 2 operators available to choose from for flights to Donegal Airport.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Donegal Airport.

The necessary travel and health documents for your Donegal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.