Cheap Flights from Belfast to Cardiff from RM541

Compare Belfast to Cardiff flight deals

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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.

Cardiff.RM541 per passenger.Departing Wed, 6 May, returning Wed, 13 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Wed, 6 May, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Wed, 13 May, arriving in Belfast City.Price includes taxes and charges.From RM541, select.

Cardiff.RM541 per passenger.Departing Sat, 12 Sep, returning Mon, 14 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Sat, 12 Sep, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Mon, 14 Sep, arriving in Belfast City.Price includes taxes and charges.From RM541, select.

Cardiff.RM541 per passenger.Departing Thu, 22 Oct, returning Sat, 24 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Thu, 22 Oct, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Sat, 24 Oct, arriving in Belfast City.Price includes taxes and charges.From RM541, select.

Cardiff.RM542 per passenger.Departing Tue, 14 Apr, returning Wed, 15 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Tue, 14 Apr, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Wed, 15 Apr, arriving in Belfast City.Price includes taxes and charges.From RM542, select.

Cardiff.RM546 per passenger.Departing Fri, 27 Mar, returning Sat, 11 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Fri, 27 Mar, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Sat, 11 Apr, arriving in Belfast City.Price includes taxes and charges.From RM546, select.

Cardiff.RM551 per passenger.Departing Fri, 27 Mar, returning Mon, 30 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Fri, 27 Mar, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Mon, 30 Mar, arriving in Belfast City.Price includes taxes and charges.From RM551, select.

Cardiff.RM645 per passenger.Departing Fri, 27 Feb, returning Thu, 12 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Fri, 27 Feb, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Thu, 12 Mar, arriving in Belfast City.Price includes taxes and charges.From RM645, select.

Cardiff.RM646 per passenger.Departing Mon, 20 Jul, returning Sat, 25 Jul.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Belfast City on Mon, 20 Jul, arriving in Cardiff.Inbound direct flight with Aer Lingus departs from Cardiff on Sat, 25 Jul, arriving in Belfast City.Price includes taxes and charges.From RM646, select.

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.

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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 found	RM541
Cheapest month to fly	May
Average flight time	1 hr, 19 mins
Most popular airline	Aer Lingus
Average flights per week	14

Finding cheap flights from Belfast to Cardiff: Frequently asked questions

How much are return flights from Belfast to Cardiff?

The best price we found for a return flight from Belfast to Cardiff is RM541. 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.

How long does it take to fly from Belfast to Cardiff?

1 hour and 19 minutes is the average flight time from Belfast to Cardiff.

Which airlines fly direct from Belfast to Cardiff?

Aer Lingus and British Airways fly direct from Belfast to Cardiff.

How many flights are there a week from Belfast to Cardiff?

As of February 2026, there are 14 flights per week flying from Belfast to Cardiff.

When is the cheapest time to fly from Belfast to Cardiff?

The cheapest month to fly from Belfast to Cardiff is usually May.

Which upcoming date is cheapest to fly from Belfast to Cardiff Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Cardiff Airport on Wednesday, 6 May 2026.

Can I get a direct flight from Belfast to Cardiff Airport?

Yes – the average flight time is 1 hour and 19 minutes.

How can I find the best flight deal to Cardiff?

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.

When is the best time to book flights to Cardiff?

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.

Which is the cheapest airline to fly from Belfast to Cardiff with?

The cheapest airline that flies to Cardiff is Aer Lingus .

Flying from Belfast to Cardiff Airport (CWL): What you need to know

Kick off your journey 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) leaving from either of these.
Cardiff Airport is located in Cardiff. The city's timezone is UTC+0 — the same as Belfast.
Your flight from Belfast to CWL won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Delays at check-in and security are more likely if you're jetting off during high season, so allow some extra breathing space. The recommendation for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

Airports in Belfast

Belfast International Airport (BFS)

Located around 32 kilometres from central Belfast, BFS can be reached in about 30 minutes by car (depending on traffic). The journey by public transport is roughly 2 hours.
Have an early flight from Belfast to Cardiff Airport? Avoid the mad dash to the terminal (and sneak in some extra snooze time) by choosing one of these hotels close to Belfast International Airport:
67.55% of flights that leave from Belfast International Airport reach their destination on schedule.

George Best Belfast City Airport (BHD)

Think about kicking off your trip from George Best Belfast City Airport (BHD). You can book a direct Belfast to Cardiff Airport (CWL) plane ticket from this popular hub.
Aer Lingus operates direct flights from Belfast to CWL leaving from BHD. Book your favourite window (or aisle) seat and reach your destination in a single journey.
Aer Lingus is the most popular choice for travellers flying from BHD to CWL.
With 68.33% of its services landing on schedule, Aer Lingus is the top on-time carrier flying between George Best Belfast City Airport and Cardiff Airport.
On public transport, you can travel from central Belfast to BHD in about 20 minutes. The terminal is roughly 8 kilometres away, and making the journey by car will take approximately 10 minutes.
Want to treat yourself to an extra night away before boarding your Belfast to CWL flight? Unwind in a hotel near George Best Belfast City Airport before your adventure officially begins. These stays are calling your name:
68.3% of flights leaving George Best Belfast City Airport arrive within the expected time frame.

About Cardiff Airport (CWL)

If you have a late flight from Belfast to Cardiff Airport, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these hotels near CWL:
Fast-track your adventure by picking up a Cardiff Airport rental car. Grab a set of wheels from Europcar, Keddy By Europcar or Enterprise and explore beyond Cardiff's main sights.
Booking your vehicle around four weeks ahead of your Belfast to Cardiff Airport flight can help you find the best deal.

Getting from Cardiff Airport (CWL) to central Cardiff

Cardiff Airport to the centre of Cardiff is about 14 kilometres. If you're renting a car or getting a cab, plan ahead to make your trip as smooth as possible. Journey times vary based on the time of day and traffic conditions.
If you're travelling on public transport, expect a journey time of about 1 hour 5 minutes.

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

Right now, RM274 is the lowest price we've found for a one-way ticket from Belfast to Cardiff Airport. The cheapest price for a return flight is RM541. Keep in mind fares can change due to availability at the time of booking.
Booking in advance is often the key to finding a cheap flight from Belfast to CWL. Airlines adjust prices based on demand, so the closer your departure date, the more you'll likely spend on your ticket.
If you can be flexible with your travel dates, use the 'Whole month' tool. It'll show you the cheapest price across every month when searching for your Belfast to Cardiff Airport ticket.
There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll notify you when a better deal comes up on plane tickets from Belfast to CWL.
Find an affordable flight from Belfast to Cardiff Airport by using the search filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

Think about the kind of holiday you want when planning the timing of your trip. April is the quietest month to visit Cardiff. June is when most people book flights from Belfast to Cardiff Airport (CWL), which may be ideal if you'd rather travel when it's busy.
When booking your Belfast to CWL plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Cardiff, with temperatures ranging from 11ºC (52ºF) to 22ºC (72ºF).
If you like travelling in cooler conditions, look for a cheap ticket from Belfast to Cardiff Airport in January when temperatures are between 0ºC (32ºF) and 9ºC (48ºF).

More about Cardiff

After booking your flight from Belfast to Cardiff Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Cardiff:
You'll find plenty of terrific things to do in Cardiff when you're ready to go sightseeing. Kick off your exploring at Cardiff Castle followed by St Fagans National History Museum and Cardiff Bay.

Explore more of the United Kingdom

London is just one of the many places in the United Kingdom waiting to be explored once you've seen Cardiff. Around 225 kilometres away to the east, its top attractions include The British Museum, Westminster Abbey and Big Ben.
If you're ready to explore another well-known destination in the United Kingdom, consider Birmingham, about 153 kilometres north-east of Cardiff. The Windsor Castle, Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre are among its highlights.