Cheap flights from Northern Ireland to Cardiff from £49

BFS — CWL
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Cardiff

Thu 3/1207:05 -
Nonstop1h 25m
Mon 7/1209:00 -
Nonstop1h 25m
Deal found 3/11£99
Thu 26/1107:05 -
Nonstop1h 25m
Mon 30/1109:00 -
Nonstop1h 25m
Deal found 3/11£100
Sat 12/1207:05 -
Nonstop1h 25m
Mon 14/1209:00 -
Nonstop1h 25m
Deal found 4/11£114
Fri 18/1207:05 -
Nonstop1h 25m
Sun 20/1209:00 -
Nonstop1h 25m
Deal found 6/11£125
Thu 26/1107:05 -
Nonstop1h 25m
Mon 30/1108:35 -
2 stops6h 25m
Deal found 3/11£136
Thu 3/1207:05 -
Nonstop1h 25m
Mon 7/1208:35 -
2 stops6h 25m
Deal found 3/11£137
Sat 12/1214:45 -
2 stops17h 55m
Mon 14/1209:00 -
Nonstop1h 25m
Deal found 5/11£140
Mon 30/1107:05 -
Nonstop1h 25m
Fri 4/1209:00 -
Nonstop1h 25m
Deal found 4/11£142

Find flight deals from Northern Ireland to Cardiff

Round-trip from

£99

One-way from

£49

Popular in

February

Cheapest in

March

Average price

£119

Good round-trip deal

£125 or less

Good one-way deal

£96 or less
Aer Lingus
  • Aer Lingus
  • 3/12-7/12
  • Nonstop
  • 2h 50m total
  • Northern Ireland to Cardiff
Aer Lingus
  • Aer Lingus
  • 13/2-31/12
  • Nonstop
  • 1h 25m total
  • Northern Ireland to Cardiff
Highest demand for flights based on searches. 36% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 25% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Northern Ireland to Cardiff Wales.
Price to beat on a one-way flight from Northern Ireland to Cardiff Wales.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Northern Ireland 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

Sat 13/2

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sun 15/11

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

Wed 18/11

17:30-13:00

2 stops19h 30m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

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 12/12

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Mon 14/12

09:00-10:25

Nonstop1h 25m

£100

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sat 13/2

08:55-08:40

2 stops23h 45m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£131

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Thu 3/12

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Mon 7/12

08:35-15:00

2 stops6h 25m

£143

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Sat 13/2

17:20-09:45

1 stop16h 25m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Fri 12/2

17:20-17:00

1 stop23h 40m

Cardiff Wales

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

BelfastCardiff

BHD Belfast City - CWL Cardiff Wales

BHDCWL

Belfast City

Thu 11/2

07:05-08:30

Nonstop1h 25m

Cardiff Wales

Fri 12/2

09:00-10:25

Nonstop1h 25m

£166

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Best time to book a flight from Northern Ireland to Cardiff

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

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Cardiff

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

Currently, May is the cheapest month in which you can book a flight from Northern Ireland to Cardiff (average of £106). Flying from Northern Ireland 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 NIR to CWL?

When flying from Northern Ireland to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

  • What airport do you fly into for flights to Cardiff from Northern Ireland?

    For a flight from Northern Ireland to Cardiff, you will be flying into Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

  • How long is the flight from Northern Ireland to Cardiff?

    Airlines like Aer Lingus and KLM fly from Northern Ireland to Cardiff in about 1h 25m. The time it takes to get you to your destination can typically vary by up to 5h 55m. The distance between Northern Ireland and Cardiff is about 246 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Northern Ireland to Cardiff?

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland 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 Northern Ireland to Cardiff?

    Currently, May is the cheapest month in which you can book a flight from Northern Ireland to Cardiff (average of £106). Flying from Northern Ireland 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

Alternative routes for Northern Ireland to Cardiff

Top airline flying from Northern Ireland to Cardiff

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

Fly with Cheapflights

How does Cheapflights help users find flights from Northern Ireland to Cardiff?

When you search for this flight from Northern Ireland to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Cardiff?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Cardiff from Northern Ireland.

Can Cheapflights find flights from Northern Ireland to Cardiff with no change fees?

Certainly. Search results for flights to Cardiff from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to Cardiff become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cardiff from Northern Ireland today and book when prices fit your budget.

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