Cheap Flights from Belfast to Cardiff

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Compare Belfast to Cardiff flight deals

Find the cheapest month or even day of the year to fly to Cardiff

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Flight deals from Belfast to Cardiff

Looking for a cheap last-minute deal or the best return flight from Belfast to Cardiff? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Belfast to Cardiff

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Cardiff flights are currently cheapest in May.

Direct flights from Belfast to Cardiff

Belfast to Cardiff: Alternative routes

Compare routes from Belfast to Cardiff below. You may find an airport to fly into that's cheaper, faster, or easier than Cardiff.

Belfast to Cardiff: Flight information

The things to know before you go.
Cheapest flight foundR 1,235
Cheapest month to flyMay
Average flight time1 hr, 20 mins
Most popular airlineAer Lingus
Average flights per week22

Finding cheap flights from Belfast to Cardiff: Frequently asked questions

The best price we found for a return flight from Belfast to Cardiff is R 2,383. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 20 minutes is the average flight time from Belfast to Cardiff.
Aer Lingus, Emerald Airlines and British Airways fly direct from Belfast to Cardiff.
As of April 2025, there are 22 flights per week flying from Belfast to Cardiff.
The cheapest month to fly from Belfast to Cardiff is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Cardiff Airport on Saturday, 8 November 2025.
Yes – the average flight time is 1 hour and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cardiff but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cardiff is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Cardiff is Aer Lingus .

Travelling from Belfast to Cardiff Airport (CWL): what you need to know

  • Your next great adventure starts at one of Belfast's main airports, Belfast International Airport (BFS) or George Best Belfast City Airport (BHD). Check out your options for booking a flight from Belfast to Cardiff Airport (CWL) setting off from either of these.

  • Belfast and Cardiff (where Cardiff Airport is located) share the UTC+0 timezone. That means you won't have to change your watch when you land.

  • With 20 direct weekly flights between the two airports, Belfast International Airport (BFS) to Cardiff Airport (CWL) is the busiest route. Aer Lingus operates the earliest flight at 06:40. If you'd like to get more out of your day before jetting off, the latest departure from BFS to CWL is with Aer Lingus at 11:20.

  • Get to the airport on time so you don't miss your flight from Belfast to CWL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Head to the airport even earlier during popular months like August. Aim for two hours before a domestic departure and as much as four hours for international flights. Once you've checked in, you can use any extra time to relax or grab something to eat.

Airports in Belfast

Belfast International Airport (BFS)

  • From the centre of Belfast, BFS is approximately 32 kilometres away. Use navigation apps or visit the official airport website to find the best way to reach the terminal.

  • Looking for a convenient hotel near Belfast International Airport? If you're catching an early flight from Belfast to Cardiff Airport, these accommodation options will have you moments from your check-in counter:

George Best Belfast City Airport (BHD)

  • George Best Belfast City Airport (BHD) offers direct flights from Belfast to Cardiff Airport (CWL).

  • With public transport, you can travel from central Belfast to BHD in around 22 minutes. The terminal is roughly 8 kilometres away, and making the journey by car will take approximately 12 minutes.

  • You're off on holiday, so why not extend it with an extra night away from home? Consider kicking back in one of these accommodation options near George Best Belfast City Airport the day before your flight from Belfast to CWL:

About Cardiff Airport (CWL)

  • If you're coming in on a late flight from Belfast to Cardiff Airport, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these hotels near CWL:

Getting from Cardiff Airport (CWL) to central Cardiff

  • Cardiff Airport is approximately 27 kilometres from the centre of Cardiff. With a car rental or if you're catching a cab, the drive is about 31 minutes.

  • Travelling to the centre by public transport takes roughly 1 hour and 6 minutes.

How to find the cheapest flights from Belfast to Cardiff Airport (CWL)

  • R 1,235 is the lowest price we've seen for a one-way ticket from Belfast to Cardiff Airport. Return flights start from R 2,383. Fares are subject to availability and may change at any time.

  • It's a good idea to book ahead of time if you're looking for cheap tickets from Belfast to CWL. That's because airlines change prices based on demand, which tends to rise closer to the departure date.

  • Getting cheap tickets from Belfast to Cardiff Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' search function to see the best prices throughout the month and land a great deal.

  • Log into your online account or use the app to create a Price Alert. We'll let you know straight away if the price has dropped. It doesn't take long, and it'll save you the hassle of searching for cheap tickets from Belfast to CWL every day.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Belfast to Cardiff Airport.

The best time to fly from Belfast to Cardiff Airport (CWL)

  • It's time to work out your dates for your flight from Belfast to Cardiff Airport. June is the busiest month to visit Cardiff. If you want a quieter atmosphere, go in April.

  • Book your flight from Belfast to CWL for July if you're eager to experience the city during its warmest month. Expect temperatures in Cardiff to range from 11ºC to 22ºC.

  • If you like travelling in cooler conditions, search for a cheap flight from Belfast to Cardiff Airport in January when temperatures average between 0ºC and 9ºC.

More about Cardiff

Complete your Cardiff trip with a car rental

  • Select one of our car rentals in Cardiff and see the city on your own terms. Easily compare prices from trusted providers in one go after booking your hotel and cheap flights from Belfast to Cardiff Airport.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.