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Cheap flights from Northern Ireland to Cardiff from £51

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 5/11. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Northern Ireland to Cardiff

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£89Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£93Aer Lingus
Thu, 17 Sep - Mon, 21 Sep
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£95Aer Lingus
Thu, 3 Sep - Mon, 7 Sep
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£96Aer Lingus
Thu, 3 Sep - Mon, 7 Sep
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£101Aer Lingus
Tue, 22 Sep - Thu, 24 Sep
Multiple Airlines Logo
06:40 - 22:20
BFS
-
CWL
15h 40m
2 stops
Multiple Airlines Logo
21:45 - 21:30
CWL
-
BFS
23h 45m
2 stops
£109Multiple Airlines
Fri, 25 Sep - Sun, 27 Sep
Aer Lingus Logo
10:10 - 11:30
BHD
-
CWL
1h 20mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£109Aer Lingus
Sun, 25 Oct - Fri, 30 Oct
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£111Aer Lingus
Fri, 4 Sep - Sun, 6 Sep
Aer Lingus Logo
10:15 - 11:30
BHD
-
CWL
1h 15mdirect
Aer Lingus Logo
12:00 - 13:20
CWL
-
BHD
1h 20mdirect
£114Aer Lingus
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
07:15 - 22:50
BFS
-
CWL
15h 35m
2 stops
Multiple Airlines Logo
23:50 - 19:15
CWL
-
BFS
19h 25m
2 stops
£115Multiple Airlines
Tue, 15 Sep - Wed, 16 Sep

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Aer Lingus flights from Northern Ireland to Cardiff

Our best Aer Lingus deals on Northern Ireland to Cardiff flight tickets
Aer Lingus
9 Sept
BHD10:15Belfast City
1h 15m
CWL11:30Cardiff Wales
16 Sept
CWL12:00Cardiff Wales
1h 20m
BHD13:20Belfast City
£89
Aer Lingus
17 Sept
BHD10:15Belfast City
1h 15m
CWL11:30Cardiff Wales
21 Sept
CWL12:00Cardiff Wales
1h 20m
BHD13:20Belfast City
£93
Aer Lingus
3 Sept
BHD10:15Belfast City
1h 15m
CWL11:30Cardiff Wales
7 Sept
CWL12:00Cardiff Wales
1h 20m
BHD13:20Belfast City
£95

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 29 July 2026.
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 - CWL

BHDCWL

Belfast City

Wed 9/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Wed 16/9

12:00-13:20

Nonstop1h 20m

£89

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 17/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Mon 21/9

12:00-13:20

Nonstop1h 20m

£93

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 3/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Mon 7/9

12:00-13:20

Nonstop1h 20m

£95

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 3/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Mon 7/9

12:00-13:20

Nonstop1h 20m

£96

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Tue 22/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Thu 24/9

12:00-13:20

Nonstop1h 20m

£101

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 25/9

06:40-22:20

2 stops15h 40m

Cardiff Wales

Sun 27/9

21:45-21:30

2 stops23h 45m

£109

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sun 25/10

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Fri 30/10

12:00-13:20

Nonstop1h 20m

£109

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 4/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sun 6/9

12:00-13:20

Nonstop1h 20m

£111

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 3/9

10:15-11:30

Nonstop1h 15m

Cardiff Wales

Sun 6/9

12:00-13:20

Nonstop1h 20m

£114

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 15/9

07:15-22:50

2 stops15h 35m

Cardiff Wales

Wed 16/9

23:50-19:15

2 stops19h 25m

£115

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 November is, on average, the cheapest month to fly to Cardiff from Northern Ireland, with most prices found around £102. If you are unable to visit Cardiff during the month of November, then departing from Northern Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £107.

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 flights?

There is only 1 cabin class available to choose from on Northern Ireland to Cardiff 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

£147

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Northern Ireland in the past 72 hours is £147. The best return flight deal from Northern Ireland to Cardiff found on momondo in the last 72 hours is £143.
The fastest flight from Northern Ireland to Cardiff takes 1h 15m
Direct flights go from Northern Ireland to Cardiff every day.
There is 1 airport in Cardiff. From Northern Ireland there are direct flights to Cardiff Wales (CWL).
Search flight deals

Frequently asked questions about flying from Northern Ireland to Cardiff

  • 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
Aer LingusPriceFrom £92Free CancellationRating
7.3
1,682 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