What are the cheapest airlines to fly from Cardiff to Northern Ireland one-way?

The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £61. However, be on the lookout for offers from British Airways and KLM, as they are both options that can get you from Cardiff to Northern Ireland for a low price.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

To save on the cost of your flight from Cardiff to Northern Ireland, book at least 24 days before your planned departure. Booking around this time can save you about 63% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £107 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £178.

What is the cheapest month to fly from Cardiff to Northern Ireland?

Flights from Cardiff to Northern Ireland lean towards being more expensive in April. Prices are generally better when you fly from Cardiff to Northern Ireland in January, with the cheapest ticket starting at £83.

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

Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to Northern Ireland. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Cardiff to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£61+ Flights from Cardiff to Northern Ireland

Cheap flight deals from Cardiff to Northern Ireland

Round-trip from	£104
One-way from	£61
Popular in	April
Cheapest in	January
Average price	£122
Good round-trip deal	£96 or less
Good one-way deal	£43 or less

Aer Lingus
7/12-10/12
Nonstop
2h 45m total
Cardiff to Northern Ireland

Search Deals

Aer Lingus
21/8
Nonstop
1h 25m total
Cardiff to Northern Ireland

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£5 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Cardiff Wales to Northern Ireland.

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Price to beat on a one-way flight from Cardiff Wales to Northern Ireland.

Search Deals

Find flight deals from Cardiff to Northern Ireland

Cheapest flights from Cardiff to Northern Ireland
Explore the most affordable flight options available from Cardiff to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Sun 7/1212:00CWL - BHD

Nonstop1h 25mAer Lingus

Wed 10/1210:10BHD - CWL

Nonstop1h 20mAer Lingus

Deal found 2/7£104

Tue 22/716:20CWL - BHD

2 stops16h 55mMultiple Airlines

Thu 24/710:10BHD - CWL

Nonstop1h 20mMultiple Airlines

Deal found 3/7£178

Tue 19/816:20CWL - BFS

2 stops18h 05mMultiple Airlines

Thu 21/809:25BFS - CWL

1 stop10h 15mMultiple Airlines

Deal found 2/7£179

Best flights from Cardiff to Northern Ireland
Discover carefully curated flight deals from Cardiff to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 July 2025.

Sun 7/1212:00CWL - BHD

Nonstop1h 25mAer Lingus

Wed 10/1210:10BHD - CWL

Nonstop1h 20mAer Lingus

Deal found 2/7£104

Tue 22/716:20CWL - BHD

2 stops16h 55mMultiple Airlines

Thu 24/710:10BHD - CWL

Nonstop1h 20mMultiple Airlines

Deal found 3/7£178

Tue 19/816:20CWL - BFS

2 stops18h 05mMultiple Airlines

Thu 21/809:25BFS - CWL

1 stop10h 15mMultiple Airlines

Deal found 2/7£179

Last-minute flights from Cardiff to Northern Ireland
Discover last-minute flight deals from Cardiff to Northern Ireland. Data last updated 4 July 2025 and is based on user searches.

Sat 12/712:00CWL - BHD

Nonstop1h 25mAer Lingus

Thu 17/710:10BHD - CWL

Nonstop1h 20mAer Lingus

Deal found 2/7£141

Sat 12/709:00CWL - BHD

2 stops8h 20mMultiple Airlines

Thu 17/710:10BHD - CWL

Nonstop1h 20mMultiple Airlines

Deal found 2/7£213

Sat 12/709:00CWL - BFS

2 stops21h 50mMultiple Airlines

Thu 17/709:25BFS - CWL

1 stop10h 15mMultiple Airlines

Deal found 2/7£236

Tue 22/716:20CWL - BHD

2 stops16h 55mMultiple Airlines

Thu 24/710:10BHD - CWL

Nonstop1h 20mMultiple Airlines

Deal found 3/7£178

Sun 17/812:00CWL - BHD

Nonstop1h 25mAer Lingus

Tue 19/810:10BHD - CWL

Nonstop1h 20mAer Lingus

Deal found 3/7£114

Tue 19/816:20CWL - BFS

2 stops18h 05mMultiple Airlines

Thu 21/809:25BFS - CWL

1 stop10h 15mMultiple Airlines

Deal found 2/7£179

One-way flights from Cardiff to Northern Ireland
Search for one-way flight options from Cardiff to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 4 July 2025.

Thu 21/812:00CWL - BHD

Nonstop1h 25mAer Lingus

Deal found 2/7£61

Wed 9/712:00CWL - BHD

Nonstop1h 25mBritish Airways

Deal found 3/7£132

Sat 12/709:00CWL - BFS

2 stops21h 50mMultiple Airlines

Deal found 3/7£133

Thu 21/807:55CWL - BHD

2 stops6h 45mMultiple Airlines

Deal found 2/7£133

Thu 21/817:15CWL - BHD

1 stop4h 00mKLM

Deal found 2/7£204

Cheapflights Fare Finder

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

Sun 7/12

12:00-13:25

Nonstop1h 25m

Belfast City

Wed 10/12

10:10-11:30

Nonstop1h 20m

£104

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Tue 22/7

16:20-09:15

2 stops16h 55m

Belfast City

Thu 24/7

10:10-11:30

Nonstop1h 20m

£178

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 19/8

16:20-10:25

2 stops18h 05m

Belfast Intl

Thu 21/8

09:25-19:40

1 stop10h 15m

£179

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Thu 21/8

12:00-13:25

Nonstop1h 25m

£61

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Wed 9/7

12:00-13:25

Nonstop1h 25m

£132

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Sat 12/7

09:00-06:50

2 stops21h 50m

£133

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Thu 21/8

07:55-14:40

2 stops6h 45m

£133

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Thu 21/8

17:15-21:15

1 stop4h 00m

£204

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Cardiff to Northern Ireland

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

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Cardiff to Northern Ireland (average of £67). Flying from Cardiff to Northern Ireland in July is currently the most expensive (average of £90). 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 CWL to NIR?

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

Reviews of airlines servicing Northern Ireland

Get a feel of what it's like to fly with KLM, Aer Lingus, andBritish Airways from Cardiff to Northern Ireland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,367 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,367 reviews

KLM

7.8

Good

1,367 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Aer Lingus

7.1

Good

1,144 reviews

KLM

7.8

Good

1,367 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.6

Okay

7,093 reviews

KLM

7.8

Good

1,367 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What airport do you fly from for flights from Cardiff to Northern Ireland?
Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to Northern Ireland. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.
What are the cheapest airlines to fly from Cardiff to Northern Ireland one-way?
The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £61. However, be on the lookout for offers from British Airways and KLM, as they are both options that can get you from Cardiff to Northern Ireland for a low price.
Can I find deals for flights from Cardiff to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Cardiff to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Northern Ireland.
Can I find deals for business class flights from Cardiff to Northern Ireland?
Yes. Cheapflights offers flight deals from Cardiff to Northern Ireland 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 Cardiff to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Cardiff to Northern Ireland (average of £67). Flying from Cardiff to Northern Ireland in July is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

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Direct flights to United Kingdom

Top 2 airlines flying from Cardiff to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£60	Average£105	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Aer Lingus	Cheapest£81	Average£112	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Cardiff to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Northern Ireland flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Cardiff to Northern Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Cardiff to Northern Ireland from £61

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Northern Ireland

Keep the following information in mind while searching for Cardiff to Northern Ireland flight deals. Data was last updated 4 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Cardiff to Northern Ireland

Cheapest flights from Cardiff to Northern IrelandExplore the most affordable flight options available from Cardiff to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Cardiff to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Northern Ireland that are best for you.

Best time to book a flight from Cardiff to Northern Ireland

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

Cheapflights Insights

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

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

What is the cheapest time of day to fly from CWL to NIR?

Find hourly flight availability from Cardiff to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Reviews of airlines servicing Northern Ireland

Get a feel of what it's like to fly with KLM, Aer Lingus, andBritish Airways from Cardiff to Northern Ireland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

What are the cheapest airlines to fly from Cardiff to Northern Ireland one-way?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cardiff to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Cardiff to Northern Ireland

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Cardiff to Northern Ireland
Explore the most affordable flight options available from Cardiff to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.