What is the cheapest airline to fly from Belfast Intl Airport to Cardiff round-trip?

Aer Lingus, at £98, was found to be the cheapest airline from Belfast Intl Airport to Cardiff.. This flight start at 38% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Cardiff ranges from 50.0 - 90.0 inches per month. January is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Cardiff when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Cardiff, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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

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 Cardiff as you normally would.

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

Cardiff Wales (CWL) is the airport you will fly into if you book a flight from Belfast Intl to Cardiff. You should not have trouble finding flights to Cardiff Wales from Belfast Intl; the airport handles an average of 0 inbound flights from Belfast Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Cardiff airport from Belfast Intl. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

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

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

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

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

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

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

£84+ Cheap Flights from Belfast Intl Airport to Cardiff

Cheap flight deals from Belfast Intl to Cardiff

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Belfast Intl to Cardiff
Explore the most affordable flight options available from Belfast Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Sat 12/1213:00 -

2 stops19h 40m

Mon 14/1208:35 -

2 stops12h 10m

Deal found 2/11£125

Thu 19/1121:05 -

2 stops18h 35m

Mon 23/1108:35 -

2 stops8h 30m

Deal found 29/10£129

Sat 28/1117:00 -

1 stop15h 40m

Sun 29/1114:25 -

2 stops17h 10m

Deal found 29/10£145

Thu 26/1121:00 -

2 stops18h 40m

Sun 29/1114:25 -

2 stops17h 10m

Deal found 29/10£152

Thu 12/1107:20 -

2 stops5h 40m

Mon 16/1108:35 -

2 stops12h 00m

Deal found 1/11£160

Find flight deals from Belfast Intl to Cardiff

Round-trip from	£125
One-way from	£84
Popular in	February
Cheapest in	March
Average price	£119

12/12-14/12
4 total stops
31h 50m total
Belfast to Cardiff

Search Deals

27/11-31/12
2 total stops
18h 05m total
Belfast to Cardiff

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 25% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Fri 27/11

13:45-07:50

2 stops18h 05m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

Fastest return journey

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Mon 7/12

06:05-19:55

2 stops13h 50m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£110

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Sat 12/12

13:00-08:40

2 stops19h 40m

Cardiff Wales

Mon 14/12

08:35-20:45

2 stops12h 10m

£125

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Thu 19/11

21:05-15:40

2 stops18h 35m

Cardiff Wales

Mon 23/11

08:35-17:05

2 stops8h 30m

£129

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Sat 28/11

17:00-08:40

1 stop15h 40m

Cardiff Wales

Sun 29/11

14:25-07:35

2 stops17h 10m

£169

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Thu 26/11

07:20-13:00

2 stops5h 40m

Cardiff Wales

Sun 29/11

09:05-23:15

1 stop14h 10m

£195

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Wed 23/12

21:20-13:00

2 stops15h 40m

Cardiff Wales

Sun 27/12

14:25-06:45

2 stops16h 20m

£222

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Wed 23/12

21:00-13:00

2 stops16h 00m

Cardiff Wales

Mon 28/12

08:35-20:30

2 stops11h 55m

£227

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Tue 22/12

08:25-21:40

2 stops13h 15m

Cardiff Wales

Sun 27/12

14:25-06:45

2 stops16h 20m

£237

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Mon 16/11

08:40-09:45

2 stops25h 05m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£269

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Cardiff

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

BFS-CWL

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.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Cardiff

What is the cheapest month to book a flight from Belfast Intl Airport to Cardiff?

Currently, March is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £110). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Cardiff

Read through reviews of airlines operating flights from Belfast Intl Airport to Cardiff, such as Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,880 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Aer Lingus

7.3

Good

1,880 reviews

Aer Lingus

7.3

Good

1,880 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

What airport do you fly into for flights to Cardiff from Belfast Intl?
Cardiff Wales (CWL) is the airport you will fly into if you book a flight from Belfast Intl to Cardiff. You should not have trouble finding flights to Cardiff Wales from Belfast Intl; the airport handles an average of 0 inbound flights from Belfast Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Cardiff airport from Belfast Intl. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.
What is the cheapest airline to fly from Belfast Intl Airport to Cardiff round-trip?
Aer Lingus, at £98, was found to be the cheapest airline from Belfast Intl Airport to Cardiff.. This flight start at 38% lower than the current average price 3 months from now.
Can I find deals for flights from Belfast Intl to Cardiff that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Cardiff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Cardiff.
Can I find deals for business class flights from Belfast Intl to Cardiff?
Yes. Cheapflights offers flight deals from Belfast Intl to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Belfast Intl Airport to Cardiff?
Currently, March is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £110). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £510). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Bridgend

Barry

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Cardiff flight routes

Complete your trip

Direct flights to Wales

Flights by cabin class

Other flight options

Other flights from Belfast Intl

Popular flights

Alternative routes for Belfast Intl to Cardiff

Belfast Intl to Manchester flights

Belfast City to Manchester flights

Belfast Intl to Bristol flights

Belfast City to Bristol flights

Belfast City to Cardiff flights

Top airline flying from Belfast Intl to Cardiff

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£98	Average£136	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to Cardiff?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Cardiff from Belfast Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Belfast Intl to Cardiff with no change fees?

Need flexible booking options for your flight to Cardiff from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Cardiff become cheaper?

Not ready to book yet? You can track prices for flights from Belfast Intl to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast Intl Airport to Cardiff from £84

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Cardiff

Cheapest flights from Belfast Intl to CardiffExplore the most affordable flight options available from Belfast Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Explore the most affordable flight options available from Belfast Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Best flights from Belfast Intl to CardiffDiscover carefully curated flight deals from Belfast Intl to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Discover carefully curated flight deals from Belfast Intl to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Last-minute flights from Belfast Intl to CardiffDiscover last-minute flight deals from Belfast Intl to Cardiff. Data last updated 3 November 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Cardiff. Data last updated 3 November 2026 and is based on user searches.

One-way flights from Belfast Intl to CardiffSearch for one-way flight options from Belfast Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.

Search for one-way flight options from Belfast Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.

Find flight deals from Belfast Intl to Cardiff

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Cardiff

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

Cheapflights Insights

What is the cheapest month to book a flight from Belfast Intl Airport to Cardiff?

Reviews of airlines servicing Cardiff

Read through reviews of airlines operating flights from Belfast Intl Airport to Cardiff, such as Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What is the cheapest airline to fly from Belfast Intl Airport to Cardiff round-trip?

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

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

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

What is the cheapest month to book a flight from Belfast Intl Airport to Cardiff?

Travelling to a place near Cardiff?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Cardiff

Explore flights to Cardiff departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 November 2026.

Complete your trip

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

Direct flights to Wales

Book a non-stop flight to one of these other cities located in Wales.

Search flights from Belfast Intl to Cardiff by cabin class

Find flights from Belfast Intl to Cardiff, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and Cardiff flights

Browse other Belfast Intl and Cardiff flight options. Last updated on 3 November 2026.

Other flights from Belfast Intl

Browse through other flights departing from Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 3 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Belfast Intl to Cardiff

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to Cardiff?

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Cardiff?

Can Cheapflights find flights from Belfast Intl to Cardiff with no change fees?

Can Cheapflights notify me if prices for flights from Belfast Intl to Cardiff become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Cardiff
Explore the most affordable flight options available from Belfast Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2026.

Best flights from Belfast Intl to Cardiff
Discover carefully curated flight deals from Belfast Intl to Cardiff that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 November 2026.

Last-minute flights from Belfast Intl to Cardiff
Discover last-minute flight deals from Belfast Intl to Cardiff. Data last updated 3 November 2026 and is based on user searches.

One-way flights from Belfast Intl to Cardiff
Search for one-way flight options from Belfast Intl to Cardiff. Find affordable one-way fares based on user searches. Data last updated 3 November 2026.