$393 Cheap Flights from Brussels (BRU) to Donegal (CFN)

View $393 flight on Thu, Apr 30, 2026Opens in a new window

Popular airlines from Brussels Airport (BRU) to Donegal (CFN)

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Cheap Flights from Brussels to Donegal (BRU-CFN)

Prices were available within the past 7 days and start at $393 for one-way flights and $396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, Apr 30 - Tue, May 5
BRU
Brussels
CFN
Donegal
$396 Roundtrip, found 1 day ago
$396
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Apr 30 from Brussels to Donegal, returning Tue, May 5, priced at $396 found 1 day ago
Aer Lingus
Wed, Apr 15 - Wed, Apr 22
BRU
Brussels
CFN
Donegal
$402 Roundtrip, found 6 days ago
$402
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Apr 15 from Brussels to Donegal, returning Wed, Apr 22, priced at $402 found 6 days ago
Aer Lingus
Thu, Apr 30 - Tue, May 5
BRU
Brussels
CFN
Donegal
$409 Roundtrip, found 1 day ago
$409
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, Apr 30 from Brussels to Donegal, returning Tue, May 5, priced at $409 found 1 day ago
Aer Lingus
Thu, May 21 - Tue, May 26
BRU
Brussels
CFN
Donegal
$410 Roundtrip, found 1 day ago
$410
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Thu, May 21 from Brussels to Donegal, returning Tue, May 26, priced at $410 found 1 day ago
KLM
Thu, Apr 30 - Tue, May 5
BRU
Brussels
CFN
Donegal
$582 Roundtrip, found 1 day ago
$582
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, Apr 30 from Brussels to Donegal, returning Tue, May 5, priced at $582 found 1 day ago
KLM
Wed, Apr 15 - Wed, Apr 22
BRU
Brussels
CFN
Donegal
$617 Roundtrip, found 6 days ago
$617
Roundtrip
found 6 days ago
Select KLM flight, departing Wed, Apr 15 from Brussels to Donegal, returning Wed, Apr 22, priced at $617 found 6 days ago
KLM
Thu, May 21 - Tue, May 26
BRU
Brussels
CFN
Donegal
$685 Roundtrip, found 1 day ago
$685
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, May 21 from Brussels to Donegal, returning Tue, May 26, priced at $685 found 1 day ago
Aer Lingus
Tue, Apr 7 - Sat, Apr 11
BRU
Brussels
CFN
Donegal
$802 Roundtrip, found 6 days ago
$802
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Apr 7 from Brussels to Donegal, returning Sat, Apr 11, priced at $802 found 6 days ago
KLM
Tue, Apr 7 - Sat, Apr 11
BRU
Brussels
CFN
Donegal
$1,571 Roundtrip, found 6 days ago
$1,571
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Apr 7 from Brussels to Donegal, returning Sat, Apr 11, priced at $1,571 found 6 days ago
KLM
Tue, Apr 7 - Sat, Apr 11
BRU
Brussels
CFN
Donegal
$1,584 Roundtrip, found 6 days ago
$1,584
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Apr 7 from Brussels to Donegal, returning Sat, Apr 11, priced at $1,584 found 6 days ago
KLM
Tue, Apr 7 - Sat, Apr 11
BRU
Brussels
CFN
Donegal
$1,822 Roundtrip, found 6 days ago
$1,822
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Apr 7 from Brussels to Donegal, returning Sat, Apr 11, priced at $1,822 found 6 days ago
KLM
Thu, May 21 - Tue, May 26
BRU
Brussels
CFN
Donegal
$2,109 Roundtrip, found 1 day ago
$2,109
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, May 21 from Brussels to Donegal, returning Tue, May 26, priced at $2,109 found 1 day ago
KLM
Wed, Apr 15 - Wed, Apr 22
BRU
Brussels
CFN
Donegal
$2,143 Roundtrip, found 6 days ago
$2,143
Roundtrip
found 6 days ago
Select KLM flight, departing Wed, Apr 15 from Brussels to Donegal, returning Wed, Apr 22, priced at $2,143 found 6 days ago
KLM
Thu, Apr 30 - Tue, May 5
BRU
Brussels
CFN
Donegal
$2,150 Roundtrip, found 1 day ago
$2,150
Roundtrip
found 1 day ago
Select KLM flight, departing Thu, Apr 30 from Brussels to Donegal, returning Tue, May 5, priced at $2,150 found 1 day ago

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Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to Donegal Airport (CFN) cost?
Snag a cheap one-way flight from $393 or cheap return flight from $396 from Brussels - National Airport (BRU) to Donegal Airport (CFN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Brussels - National Airport (BRU) to Donegal Airport (CFN)?
April is the cheapest month to fly from BRU to CFN. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Brussels - National Airport (BRU) to Donegal Airport (CFN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BRU to CFN flight.
How many flights per day from Brussels - National Airport (BRU) to Donegal Airport (CFN)?
Direct flights from Brussels - National Airport (BRU) to Donegal Airport (CFN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BRU to CFN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brussels - National Airport (BRU) to Donegal Airport (CFN)?
To avoid potential delays on the Brussels - National Airport (BRU) to Donegal Airport (CFN) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Brussels - National Airport (BRU) to Donegal Airport (CFN) last-minute?
Holding off until just before your departure to book a flight from BRU to CFN often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book a BRU to CFN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BRU to CFN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to Donegal Airport (CFN)?
In most cases, you're able to cancel or reschedule your BRU to CFN flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Brussels - National
Destination airport
Donegal
Airlines serving
Aer Lingus
Roundtrip price
$396
Distance
604 mi

Book with confidence

Brussels to Donegal Flights

The cheapest times to fly from Brussels 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 Brussels to Donegal are during the month of April. You can find some of the cheapest flights from Brussels to Donegal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brussels to Donegal

Sunday is one of the best days to book for cheap flights from Brussels 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 Brussels 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 Brussels to Donegal in 2026. You can also book with separate airlines for your outbound and return journeys, from $393 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 Brussels 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 Brussels 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.

 

Brussels to Donegal Flights

*Flight schedules are subject to change.

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*Available to One Key members.