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.

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).

What is the cheapest time of day to fly from BFS to CFN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Donegal as you normally would.

What airport do you fly into for flights to Donegal from Belfast Intl?

Located just 28.5 mi from the city center, Donegal is the airport most travelers will use when flying to Donegal from Belfast Intl. Booking flights from Belfast Intl to Donegal (CFN) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 0 different airlines.

Can I find deals for flights from Belfast Intl to Donegal that include hotel bookings?

Yes. In addition to deals on Belfast Intl to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast Intl to Donegal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Donegal.

Can I find deals for business class flights from Belfast Intl to Donegal?

Yes. Cheapflights offers flight deals from Belfast Intl to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£87+ Cheap Flights from Belfast Intl Airport to Donegal

Cheap flight deals from Belfast Intl to Donegal

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Cheapest flights from Belfast Intl to Donegal
Explore the most affordable flight options available from Belfast Intl to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Wed 14/1007:30 -

2 stops12h 30m

Wed 21/1014:30 -

2 stops8h 50m

Deal found 16/9£191

Find flight deals from Belfast Intl to Donegal

Round-trip from	£191
One-way from	£87

14/10-21/10
4 total stops
21h 20m total
Belfast to Donegal

Search Deals

25/9-31/12
2 total stops
24h 40m total
Belfast to Donegal

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Donegal that are best for you.

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Route

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Price

Cheapest return flight

BelfastDonegal

BFS Belfast Intl - CFN Donegal

BFSCFN

Belfast Intl

Fri 25/9

19:20-20:00

2 stops24h 40m

Donegal

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

Fastest return journey

BelfastDonegal

BFS Belfast Intl - CFN Donegal

BFSCFN

Belfast Intl

Wed 14/10

07:30-20:00

2 stops12h 30m

Donegal

Wed 21/10

14:30-23:20

2 stops8h 50m

£191

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Belfast Intl with our price prediction graph.

BFS-CFN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Donegal from Belfast Intl?
Located just 28.5 mi from the city center, Donegal is the airport most travelers will use when flying to Donegal from Belfast Intl. Booking flights from Belfast Intl to Donegal (CFN) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 0 different airlines.
Can I find deals for flights from Belfast Intl to Donegal that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Donegal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Donegal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Donegal.
Can I find deals for business class flights from Belfast Intl to Donegal?
Yes. Cheapflights offers flight deals from Belfast Intl to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Belfast Intl Airport to Donegal from £87

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Donegal

Cheapest flights from Belfast Intl to DonegalExplore the most affordable flight options available from Belfast Intl to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Belfast Intl to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Belfast Intl to DonegalDiscover carefully curated flight deals from Belfast Intl to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Belfast Intl to Donegal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Belfast Intl to DonegalDiscover last-minute flight deals from Belfast Intl to Donegal. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Donegal. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Belfast Intl to DonegalSearch for one-way flight options from Belfast Intl to Donegal. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Belfast Intl to Donegal. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

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Best time to book a flight from Belfast Intl to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Belfast Intl with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Donegal from Belfast Intl?

Can I find deals for flights from Belfast Intl to Donegal that include hotel bookings?

How can I find direct flights from Belfast Intl to Donegal?

Can I find deals for business class flights from Belfast Intl to Donegal?

Travelling to a place near Donegal?

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Alternative routes for Belfast Intl to Donegal

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Complete your trip

Complete your trip to Donegal by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ireland

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Other flights to Donegal

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Belfast Intl and Donegal flights

Browse other Belfast Intl and Donegal flight options. Last updated on 18 September 2026.

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