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Cheap flights from Cardiff to Northern Ireland from £83

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Northern Ireland departing on 23/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cardiff to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
08:35 - 10:00CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£99Aer Lingus
Find Deal
Thu, 11 Dec - Sun, 14 Dec
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£102Aer Lingus
Find Deal
Tue, 9 Dec - Sat, 13 Dec
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£118Aer Lingus
Find Deal
Mon, 16 Feb - Mon, 23 Feb
Multiple Airlines Logo
23:30 - 12:00CWL-BFS
12h 30m2 stops
Multiple Airlines Logo
19:45 - 15:40BFS-CWL
19h 55m2 stops
£121Multiple Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
£124Aer Lingus
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Multiple Airlines Logo
23:30 - 16:55CWL-BHD
17h 25m2 stops
Multiple Airlines Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
£130Multiple Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Aer Lingus Logo
08:35 - 10:00CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£135Aer Lingus
Find Deal
Fri, 28 Nov - Tue, 2 Dec
Multiple Airlines Logo
23:30 - 16:55CWL-BHD
17h 25m2 stops
Multiple Airlines Logo
20:00 - 15:40BHD-CWL
19h 40m2 stops
£143Multiple Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Multiple Airlines Logo
22:25 - 13:15CWL-BHD
14h 50m2 stops
Multiple Airlines Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£144Multiple Airlines
Find Deal
Fri, 28 Nov - Tue, 2 Dec
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
£151Aer Lingus
Find Deal
Mon, 1 Dec - Thu, 4 Dec

Aer Lingus flights from Cardiff to Northern Ireland

Our best Aer Lingus deals on Cardiff to Northern Ireland flight tickets
Aer Lingus
11 Dec
CWL08:35Cardiff Wales
1h 25m
BHD10:00Belfast City
14 Dec
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£99
Find similar
Aer Lingus
9 Dec
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
13 Dec
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£102
Find similar
Aer Lingus
16 Feb
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
23 Feb
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£118
Find similar

British Airways flights from Cardiff to Northern Ireland

Our best British Airways deals on Cardiff to Northern Ireland flight tickets
British Airways
30 Mar
CWL12:00Cardiff Wales
1h 35m
BHD13:35Belfast City
31 Mar
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£252
Find similar
British Airways
22 Dec
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
27 Dec
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£364
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Northern Ireland 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 17 November 2025.
Use the filters below to find and compare flights from Cardiff to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Thu 11/12

08:35-10:00

Nonstop1h 25m

Belfast City

Sun 14/12

10:10-11:30

Nonstop1h 20m

£99

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Tue 9/12

12:00-13:25

Nonstop1h 25m

Belfast City

Sat 13/12

10:10-11:30

Nonstop1h 20m

£102

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Mon 16/2

12:00-13:25

Nonstop1h 25m

Belfast City

Mon 23/2

10:10-11:30

Nonstop1h 20m

£118

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Mon 8/12

23:30-12:00

2 stops12h 30m

Belfast Intl

Thu 11/12

19:45-15:40

2 stops19h 55m

£121

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Mon 8/12

12:00-13:25

Nonstop1h 25m

Belfast City

Thu 11/12

06:45-08:05

Nonstop1h 20m

£124

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Mon 8/12

23:30-16:55

2 stops17h 25m

Belfast City

Thu 11/12

06:45-08:05

Nonstop1h 20m

£130

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 28/11

08:35-10:00

Nonstop1h 25m

Belfast City

Tue 2/12

10:10-11:30

Nonstop1h 20m

£135

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Mon 8/12

23:30-16:55

2 stops17h 25m

Belfast City

Thu 11/12

20:00-15:40

2 stops19h 40m

£143

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 28/11

22:25-13:15

2 stops14h 50m

Belfast City

Tue 2/12

10:10-11:30

Nonstop1h 20m

£144

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Mon 1/12

12:00-13:25

Nonstop1h 25m

Belfast City

Thu 4/12

06:45-08:05

Nonstop1h 20m

£151

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 Northern Ireland from

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

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 Northern Ireland?

In general, January is the cheapest month to fly from Cardiff to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £95. If you’re not able to fly to Northern Ireland in January, then October is your next best option. Flight prices from Cardiff to Northern Ireland during October average around £105.

What is the cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart from Cardiff to Northern Ireland is on a Wednesday. Travellers who choose to depart for Northern Ireland on a Wednesday will often find tickets for as low as £97. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £121. These prices are subject to change though, so be sure to set up a Price Alert for flights to Northern Ireland.

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

Flying to Northern Ireland from Cardiff in the evening is the least expensive time of day to depart. momondo users have found prices as low as £94 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £210 on average. Flights to Northern Ireland from Cardiff at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Northern Ireland?

You are more likely to see cheaper flights to Northern Ireland from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £120 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Northern Ireland from Cardiff for as low as £100 on momondo.

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

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

Cheap Cardiff to Northern Ireland flight deals and tips

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

Best price found

£48

Fastest flight time

1h 25m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Northern Ireland

1 airport
The best one-way flight to Northern Ireland from Cardiff in the past 72 hours is £48. The best return flight deal from Cardiff to Northern Ireland found on momondo in the last 72 hours is £108.
The fastest flight from Cardiff to Northern Ireland takes 1h 25m
Direct flights go from Cardiff to Northern Ireland on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airline offering direct flights is Aer Lingus..
There is 1 airport near Northern Ireland: Belfast City (BHD)
Search flight deals

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents you'll need for your trip to Northern Ireland 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 Northern Ireland. 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 Cardiff to Northern Ireland?

Best airlines flying from Cardiff to Northern Ireland

Compare and see reviews for airlines that fly from Cardiff to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £65Free CancellationRating
6.9
1,844 reviews
Search easyJet flights
Aer LingusPriceFrom £88Free CancellationRating
7.2
1,371 reviews
Search Aer Lingus flights

Why use momondo?

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

It is quick and easy to find Cardiff to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

momondo does allow users to show only those flights to Northern Ireland from Cardiff which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Northern Ireland from Cardiff.

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

Yes. momondo can track prices for Cardiff to Northern Ireland 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 Northern Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Northern Ireland

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