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Cheap flights from Belfast Intl Airport to Cardiff from £56

BFS — CWL
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Cardiff

Tue 13/1007:55 -
2 stops14h 55m
Tue 20/1023:15 -
2 stops16h 00m
Deal found 15/9£107
Thu 1/1017:55 -
2 stops13h 25m
Mon 5/1022:10 -
2 stops11h 50m
Deal found 16/9£112
Fri 18/919:20 -
2 stops11h 35m
Tue 22/923:15 -
2 stops16h 00m
Deal found 13/9£113
Mon 12/1006:10 -
2 stops15h 35m
Mon 19/1022:10 -
2 stops18h 05m
Deal found 14/9£114
Mon 19/1007:05 -
2 stops14h 40m
Tue 20/1021:45 -
1 stop13h 20m
Deal found 15/9£117
Sat 10/1018:10 -
1 stop14h 45m
Tue 13/1023:15 -
2 stops17h 05m
Deal found 16/9£124
Fri 9/1019:20 -
2 stops11h 35m
Sun 11/1021:45 -
2 stops14h 35m
Deal found 16/9£129

Find flight deals from Belfast Intl to Cardiff

Round-trip from

£107

One-way from

£56

Popular in

February

Cheapest in

November

Average price

£196
13/10-20/10
  • 13/10-20/10
  • 4 total stops
  • 30h 55m total
  • Belfast to Cardiff
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19/10-31/12
  • 19/10-31/12
  • 2 total stops
  • 13h 05m total
  • Belfast to Cardiff
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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

Tue 13/10

07:35-22:50

2 stops15h 15m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57
Fastest return journey

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Wed 23/9

15:40-23:25

2 stops7h 45m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Sun 4/10

22:10-21:45

2 stops23h 35m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£65

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Sat 3/10

17:55-08:55

1 stop15h 00m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£93

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Fri 25/9

08:55-22:20

3 stops13h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Sat 31/10

09:30-23:25

2 stops13h 55m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£106

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Tue 13/10

07:35-22:50

2 stops15h 15m

Cardiff Wales

Tue 20/10

21:45-11:05

1 stop13h 20m

£112

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Mon 19/10

08:40-21:45

2 stops13h 05m

Cardiff Wales

Tue 20/10

23:15-15:15

2 stops16h 00m

£114

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Thu 15/10

17:55-07:20

2 stops13h 25m

Cardiff Wales

Thu 22/10

16:20-10:40

2 stops18h 20m

£133

BelfastCardiff

BFS Belfast Intl - CWL Cardiff Wales

BFSCWL

Belfast Intl

Thu 5/11

21:05-15:40

2 stops18h 35m

Cardiff Wales

Sun 8/11

09:05-23:15

1 stop14h 10m

£139

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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.
Estimated return price

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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £104). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £248). 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.

How much does it cost for a return flight from Belfast Intl Airport to Cardiff?

Airfare is below average for this route at the moment.

Belfast Intl Airport to Cardiff flights typically cost between £119 and £236 in October.
The cheapest return price found within the last 5 days was £107 on Multiple Airlines (13 Oct–20 Oct).

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
1,767 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Comfort

7.2

Boarding

7.5

Crew

8.1

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
1,767 reviews
Aer Lingus
7.3
Good
1,767 reviews
Check prices

Entertainment

7.0

Overall

7.3

Food

6.7

Comfort

7.2

Boarding

7.5

Crew

8.1

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 £91, was found to be the cheapest airline from Belfast Intl Airport to Cardiff.. This flight start at 36% 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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £104). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £248). 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

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Bridgend
Barry

Browse thousands of different options on Cheapflights for your next trip

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 Cardiff flights
Belfast City to Bristol flights

Top airline flying from Belfast Intl to Cardiff

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£91Average£132FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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