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Cheap flights from Northern Ireland to Cardiff from £49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Cardiff departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Northern Ireland to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:50 - 16:00BFS-CWL
9h 10m1 stop
Multiple Airlines Logo
19:10 - 12:20CWL-BFS
17h 10m1 stop
£117Multiple Airlines
Find Deal
Mon, 15 Dec - Wed, 17 Dec
Multiple Airlines Logo
05:45 - 15:40BFS-CWL
9h 55m1 stop
Multiple Airlines Logo
16:05 - 15:10CWL-BFS
23h 05m2 stops
£118Multiple Airlines
Find Deal
Fri, 16 Jan - Fri, 23 Jan
Aer Lingus Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£120Aer Lingus
Find Deal
Fri, 2 Jan - Mon, 5 Jan
Multiple Airlines Logo
07:15 - 23:05BFS-CWL
15h 50m2 stops
Multiple Airlines Logo
19:10 - 12:20CWL-BFS
17h 10m1 stop
£122Multiple Airlines
Find Deal
Mon, 15 Dec - Wed, 17 Dec
Multiple Airlines Logo
05:45 - 15:40BFS-CWL
9h 55m1 stop
Multiple Airlines Logo
23:30 - 17:00CWL-BFS
17h 30m2 stops
£123Multiple Airlines
Find Deal
Fri, 23 Jan - Mon, 26 Jan
Multiple Airlines Logo
09:25 - 16:05BFS-CWL
6h 40m1 stop
Multiple Airlines Logo
16:45 - 22:30CWL-BFS
29h 45m1 stop
£126Multiple Airlines
Find Deal
Tue, 16 Dec - Sat, 20 Dec
Multiple Airlines Logo
21:00 - 15:40BFS-CWL
18h 40m2 stops
Multiple Airlines Logo
20:05 - 13:30CWL-BFS
17h 25m2 stops
£126Multiple Airlines
Find Deal
Thu, 15 Jan - Sat, 17 Jan
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£193Aer Lingus
Find Deal
Wed, 17 Dec - Sun, 21 Dec
British Airways Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
British Airways Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£236British Airways
Find Deal
Fri, 16 Jan - Mon, 19 Jan
British Airways Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
British Airways Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£237British Airways
Find Deal
Fri, 16 Jan - Mon, 19 Jan

Aer Lingus flights from Northern Ireland to Cardiff

Our best Aer Lingus deals on Northern Ireland to Cardiff flight tickets
Aer Lingus
17 Apr
BHD07:00Belfast City
1h 20m
CWL08:20Cardiff Wales
19 Apr
CWL12:00Cardiff Wales
1h 35m
BHD13:35Belfast City
£105
Find similar
Aer Lingus
2 Jan
BHD06:45Belfast City
1h 20m
CWL08:05Cardiff Wales
5 Jan
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£120
Find similar
Aer Lingus
24 Dec
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
29 Dec
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£129
Find similar

British Airways flights from Northern Ireland to Cardiff

Our best British Airways deals on Northern Ireland to Cardiff flight tickets
British Airways
16 Jan
BHD06:45Belfast City
1h 20m
CWL08:05Cardiff Wales
19 Jan
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£236
Find similar
British Airways
16 Jan
BHD06:45Belfast City
1h 20m
CWL08:05Cardiff Wales
19 Jan
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£237
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Cardiff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 3 December 2025.
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

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Mon 15/12

06:50-16:00

1 stop9h 10m

Cardiff Wales

Wed 17/12

19:10-12:20

1 stop17h 10m

£117

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 16/1

05:45-15:40

1 stop9h 55m

Cardiff Wales

Fri 23/1

16:05-15:10

2 stops23h 05m

£118

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 2/1

06:45-08:05

Nonstop1h 20m

Cardiff Wales

Mon 5/1

12:00-13:25

Nonstop1h 25m

£120

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Mon 15/12

07:15-23:05

2 stops15h 50m

Cardiff Wales

Wed 17/12

19:10-12:20

1 stop17h 10m

£122

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 23/1

05:45-15:40

1 stop9h 55m

Cardiff Wales

Mon 26/1

23:30-17:00

2 stops17h 30m

£123

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 16/12

09:25-16:05

1 stop6h 40m

Cardiff Wales

Sat 20/12

16:45-22:30

1 stop29h 45m

£126

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Thu 15/1

21:00-15:40

2 stops18h 40m

Cardiff Wales

Sat 17/1

20:05-13:30

2 stops17h 25m

£126

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Wed 17/12

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Sun 21/12

12:00-13:25

Nonstop1h 25m

£193

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 16/1

06:45-08:05

Nonstop1h 20m

Cardiff Wales

Mon 19/1

12:00-13:25

Nonstop1h 25m

£236

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 16/1

06:45-08:05

Nonstop1h 20m

Cardiff Wales

Mon 19/1

12:00-13:25

Nonstop1h 25m

£237

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cardiff from

How to get the cheapest flight ticket from Northern Ireland to Cardiff

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cardiff?

The month of March is, on average, the cheapest month to fly to Cardiff from Northern Ireland, with most prices found around £80. If you are unable to visit Cardiff during the month of March, then departing from Northern Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £80.

What is the cheapest day to depart on your flight to Cardiff?

The cheapest day to depart from Northern Ireland to Cardiff is on a Saturday. Travellers who choose to depart for Cardiff on a Saturday will often find tickets for as low as £100. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Northern Ireland to Cardiff for around £126.

What is the cheapest time of day to depart on your flight to Cardiff?

The cheapest time of day to fly to Cardiff is in the morning when flights can be purchased for as low as £119. In the evening is when there is more demand to fly to Cardiff, so prices are often more expensive at around £125 per ticket.

What is the cheapest Northern Ireland to Cardiff Wales flight route?

Fly from Belfast City to Cardiff Wales for the best Northern Ireland - Cardiff Wales flight prices

What cabin class options are available on Northern Ireland to Cardiff Wales flights?

There is only 1 cabin class available to choose from on Northern Ireland to Cardiff Wales flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Northern Ireland to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Cardiff

Best price found

£50

Fastest flight time

1h 20m

Direct flights

Thu, Fri, Sat and Sun

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Northern Ireland in the past 72 hours is £50. The best return flight deal from Northern Ireland to Cardiff found on momondo in the last 72 hours is £101.
The fastest flight from Northern Ireland to Cardiff takes 1h 20m
Direct flights go from Northern Ireland to Cardiff on Thursday, Friday, Saturday and Sunday. Airline offering direct flights is Aer Lingus..
There is 1 airport near Cardiff: Cardiff Wales (CWL)
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Cardiff Wales Airport?

    Prices for flights from Northern Ireland to Cardiff Wales Airport were last updated today.

  • How many operators does momondo search for flights from Northern Ireland to Cardiff Wales Airport?

  • How old do you have to be to fly from Northern Ireland to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Northern Ireland to Cardiff?

Best airlines flying from Northern Ireland to Cardiff

Compare and see reviews for airlines that fly from Northern Ireland to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £38Free CancellationRating
6.9
1,848 reviews
Search easyJet flights
Aer LingusPriceFrom £84Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights

Travelling to a place near Cardiff?

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

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Cardiff?

Finding the right flight to Cardiff from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Cardiff with flexible booking policies on momondo?

Yes. All flights to Cardiff from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Northern Ireland to Cardiff?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Cardiff.

I’m not ready to book a flight from Northern Ireland to Cardiff right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Northern Ireland to Cardiff flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport