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Cheap flights from Northern Ireland to Cardiff from £47

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 30/9. 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

Aer Lingus Logo
07:00 - 08:20BHD-CWL
1h 20mdirect
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£150Aer Lingus
Find Deal
Fri, 29 Aug - Sun, 31 Aug
Logo
23:45 - 15:55BFS-CWL
16h 10m2 stops
Logo
12:25 - 07:55CWL-BFS
19h 30m2 stops
£166
Find Deal
Mon, 1 Sep - Fri, 5 Sep
Logo
23:30 - 12:45BFS-CWL
13h 15m2 stops
Logo
20:30 - 09:00CWL-BFS
12h 30m1 stop
£173
Find Deal
Sun, 5 Oct - Wed, 8 Oct
Logo
08:45 - 10:35BFS-CWL
25h 50m2 stops
Logo
09:00 - 08:00CWL-BFS
23h 00m2 stops
£178
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Logo
07:25 - 15:55BFS-CWL
8h 30m2 stops
Logo
09:15 - 08:30CWL-BFS
23h 15m2 stops
£179
Find Deal
Tue, 23 Sep - Wed, 24 Sep
Logo
12:40 - 07:30BHD-CWL
18h 50m2 stops
Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£180
Find Deal
Fri, 29 Aug - Sun, 31 Aug
Logo
12:40 - 07:30BHD-CWL
18h 50m2 stops
Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£181
Find Deal
Fri, 29 Aug - Sun, 31 Aug
Logo
12:35 - 20:50BFS-CWL
8h 15m1 stop
Logo
09:00 - 08:00CWL-BFS
23h 00m2 stops
£192
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Logo
07:25 - 15:55BFS-CWL
8h 30m2 stops
Logo
09:15 - 00:15CWL-BFS
15h 00m1 stop
£192
Find Deal
Tue, 23 Sep - Wed, 24 Sep
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
£197Aer Lingus
Find Deal
Mon, 15 Sep - Sat, 20 Sep

Aer Lingus flights from Northern Ireland to Cardiff

Our best Aer Lingus deals on Northern Ireland to Cardiff flight tickets
Aer Lingus
29 Aug
BHD07:00Belfast City
1h 20m
CWL08:20Cardiff Wales
31 Aug
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£150
Find similar
Aer Lingus
15 Sept
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
20 Sept
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£197
Find similar
Aer Lingus
15 Sept
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
20 Sept
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
£204
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 15 August 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

BHD - CWL

BHDCWL

Belfast City

Fri 29/8

07:00-08:20

Nonstop1h 20m

Cardiff Wales

Sun 31/8

12:00-13:25

Nonstop1h 25m

£150

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Mon 1/9

23:45-15:55

2 stops16h 10m

Cardiff Wales

Fri 5/9

12:25-07:55

2 stops19h 30m

£166

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sun 5/10

23:30-12:45

2 stops13h 15m

Cardiff Wales

Wed 8/10

20:30-09:00

1 stop12h 30m

£173

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sat 27/9

08:45-10:35

2 stops25h 50m

Cardiff Wales

Sat 4/10

09:00-08:00

2 stops23h 00m

£178

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 23/9

07:25-15:55

2 stops8h 30m

Cardiff Wales

Wed 24/9

09:15-08:30

2 stops23h 15m

£179

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 29/8

12:40-07:30

2 stops18h 50m

Cardiff Wales

Sun 31/8

12:00-13:25

Nonstop1h 25m

£180

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 29/8

12:40-07:30

2 stops18h 50m

Cardiff Wales

Sun 31/8

12:00-13:25

Nonstop1h 25m

£181

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sat 27/9

12:35-20:50

1 stop8h 15m

Cardiff Wales

Sat 4/10

09:00-08:00

2 stops23h 00m

£192

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 23/9

07:25-15:55

2 stops8h 30m

Cardiff Wales

Wed 24/9

09:15-00:15

1 stop15h 00m

£192

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Mon 15/9

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Sat 20/9

12:00-13:25

Nonstop1h 25m

£197

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 January is, on average, the cheapest month to fly to Cardiff from Northern Ireland, with most prices found around £90. If you are unable to visit Cardiff during the month of January, then departing from Northern Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £90.

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 £97. 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 £123.

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 £117. In the evening is when there is more demand to fly to Cardiff, so prices are often more expensive at around £122 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 are 1 cabin classes 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

£47

Fastest flight time

1h 20m

Direct flights

Tue, Wed, 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 £47. The best return flight deal from Northern Ireland to Cardiff found on momondo in the last 72 hours is £150.
The fastest flight from Northern Ireland to Cardiff takes 1h 20m
Direct flights go from Northern Ireland to Cardiff on Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus and British Airways..
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 £37Free CancellationRating
6.9
1,821 reviews
Search easyJet flights
Aer LingusPriceFrom £81Free CancellationRating
7.1
1,214 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