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Cheap flights from Belfast to Cardiff from £51

BHD — CWL
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Cardiff

Thu 3/1207:05 -
Nonstop1h 25m
Mon 7/1209:00 -
Nonstop1h 25m
Deal found 7/11£99
Thu 19/1107:05 -
Nonstop1h 25m
Mon 23/1109:00 -
Nonstop1h 25m
Deal found 9/11£100
Sat 5/1207:05 -
Nonstop1h 25m
Mon 7/1209:00 -
Nonstop1h 25m
Deal found 9/11£110
Tue 1/1210:20 -
Nonstop1h 25m
Thu 3/1209:00 -
Nonstop1h 25m
Deal found 9/11£117
Wed 2/1210:20 -
Nonstop1h 25m
Mon 7/1209:00 -
Nonstop1h 25m
Deal found 11/11£120
Sun 20/1207:05 -
Nonstop1h 25m
Tue 29/1212:15 -
Nonstop1h 25m
Deal found 9/11£126
Fri 20/1107:05 -
Nonstop1h 25m
Mon 23/1109:00 -
Nonstop1h 25m
Deal found 9/11£129
Fri 18/1207:05 -
Nonstop1h 25m
Sun 20/1209:00 -
Nonstop1h 25m
Deal found 8/11£135
Fri 27/1107:05 -
Nonstop1h 25m
Mon 30/1109:00 -
Nonstop1h 25m
Deal found 9/11£137

Find flight deals from Belfast to Cardiff

Round-trip from

£99

One-way from

£51

Popular in

February

Cheapest in

March

Average price

£119
Aer Lingus
  • Aer Lingus
  • 3/12-7/12
  • Nonstop
  • 2h 50m total
  • Belfast to Cardiff
Search Deals
Aer Lingus
  • Aer Lingus
  • 10/3-31/12
  • Nonstop
  • 1h 25m total
  • Belfast to Cardiff
Search Deals
Highest demand for flights based on searches. 35% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 24% potential price decrease (£24 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 to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Wed 10/3

10:20-11:45

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Thu 26/11

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sun 22/11

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Tue 15/12

10:20-11:45

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Thu 11/2

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sat 13/2

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Thu 21/1

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Fri 22/1

09:00-10:25

Nonstop1h 25m

£101

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sat 5/12

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Mon 7/12

09:00-10:25

Nonstop1h 25m

£110

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Tue 1/12

10:20-11:45

Nonstop1h 25m

Cardiff Wales

Thu 3/12

09:00-10:25

Nonstop1h 25m

£117

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sun 17/1

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£119

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Cardiff

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

Cheapflights Insights

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

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

Currently, May is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £106). Flying from Belfast to Cardiff in August is currently the most expensive (average of £157). 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.

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 to Cardiff as you normally would.

Reviews of airlines servicing Cardiff

Get a feel of what it's like to fly with Aer Lingus from Belfast to Cardiff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,882 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Food

6.7

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
1,882 reviews
Aer Lingus
7.3
Good
1,882 reviews
Check prices

Entertainment

7.0

Overall

7.3

Comfort

7.2

Boarding

7.5

Food

6.7

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?

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

  • How long is the flight from Belfast to Cardiff?

    Airlines like Aer Lingus fly from Belfast to Cardiff in about 1h 25m. The time it takes to get you to your destination is usually consistent. There are 246 mi between Belfast and Cardiff. Most flights are nonstop.

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

    Aer Lingus, at £90, was found to be the cheapest airline from Belfast to Cardiff.. Aer Lingus is currently priced 44% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Cardiff?

    Currently, May is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £106). Flying from Belfast to Cardiff in August is currently the most expensive (average of £157). 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

Top airline flying from Belfast to Cardiff

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£90Average£134FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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Yes, Cheapflights offers price alerts on Belfast to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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