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Cheap flights from Cardiff to Belfast from £40

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 Belfast departing on 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cardiff to Belfast

Cheap return flights

Aer Lingus Logo
08:35 - 10:00CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£104Aer Lingus
Find Deal
Fri, 23 Jan - Sun, 25 Jan
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£106Aer Lingus
Find Deal
Sat, 8 Nov - Sun, 9 Nov
Aer Lingus Logo
12:00 - 13:25CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£109Aer Lingus
Find Deal
Sat, 13 Dec - Tue, 30 Dec
Aer Lingus Logo
08:35 - 10:00CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£111Aer Lingus
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Aer Lingus Logo
08:35 - 10:00CWL-BHD
1h 25mdirect
Aer Lingus Logo
10:10 - 11:30BHD-CWL
1h 20mdirect
£113Aer Lingus
Find Deal
Fri, 23 Jan - Sun, 25 Jan
Logo
16:20 - 06:50CWL-BFS
14h 30m2 stops
Logo
15:25 - 07:25BFS-CWL
16h 00m2 stops
£166
Find Deal
Tue, 21 Oct - Wed, 22 Oct
Logo
07:55 - 18:35CWL-BFS
10h 40m2 stops
Logo
23:30 - 12:45BFS-CWL
13h 15m2 stops
£168
Find Deal
Thu, 9 Oct - Sun, 12 Oct
KLM Logo
17:25 - 16:50CWL-BHD
23h 25m1 stop
KLM Logo
17:20 - 09:50BHD-CWL
16h 30m1 stop
£241KLM
Find Deal
Tue, 3 Mar - Sat, 7 Mar
British Airways Logo
09:00 - 10:25CWL-BHD
1h 25mdirect
British Airways Logo
06:45 - 08:05BHD-CWL
1h 20mdirect
£288British Airways
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Fri, 24 Oct - Thu, 30 Oct
Loganair Logo
20:35 - 13:30CWL-BHD
40h 55m3 stops
Loganair Logo
11:15 - 20:10BHD-CWL
8h 55m3 stops
£1,172Loganair
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Thu, 9 Oct - Sun, 12 Oct

Aer Lingus flights from Cardiff to Belfast

Our best Aer Lingus deals on Cardiff to Belfast flight tickets
Aer Lingus
23 Jan
CWL08:35Cardiff Wales
1h 25m
BHD10:00Belfast City
25 Jan
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£104
Find similar
Aer Lingus
8 Nov
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
9 Nov
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£106
Find similar
Aer Lingus
13 Dec
CWL12:00Cardiff Wales
1h 25m
BHD13:25Belfast City
30 Dec
BHD10:10Belfast City
1h 20m
CWL11:30Cardiff Wales
£109
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Belfast 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 12 September 2025.
Use the filters below to find and compare flights from Cardiff to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 23/1

08:35-10:00

Nonstop1h 25m

Belfast City

Sun 25/1

10:10-11:30

Nonstop1h 20m

£104

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Sat 8/11

12:00-13:25

Nonstop1h 25m

Belfast City

Sun 9/11

10:10-11:30

Nonstop1h 20m

£106

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Sat 13/12

12:00-13:25

Nonstop1h 25m

Belfast City

Tue 30/12

10:10-11:30

Nonstop1h 20m

£109

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 7/11

08:35-10:00

Nonstop1h 25m

Belfast City

Sun 9/11

10:10-11:30

Nonstop1h 20m

£111

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 23/1

08:35-10:00

Nonstop1h 25m

Belfast City

Sun 25/1

10:10-11:30

Nonstop1h 20m

£113

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Tue 21/10

16:20-06:50

2 stops14h 30m

Belfast Intl

Wed 22/10

15:25-07:25

2 stops16h 00m

£166

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Thu 9/10

07:55-18:35

2 stops10h 40m

Belfast Intl

Sun 12/10

23:30-12:45

2 stops13h 15m

£168

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Tue 3/3

17:25-16:50

1 stop23h 25m

Belfast City

Sat 7/3

17:20-09:50

1 stop16h 30m

£241

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Fri 24/10

09:00-10:25

Nonstop1h 25m

Belfast City

Thu 30/10

06:45-08:05

Nonstop1h 20m

£288

CardiffBelfast

CWL - BHD

CWLBHD

Cardiff Wales

Thu 9/10

20:35-13:30

3 stops40h 55m

Belfast City

Sun 12/10

11:15-20:10

3 stops8h 55m

£1,172

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 Belfast from

How to get the cheapest flight ticket from Cardiff to Belfast

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 typical price of a round-trip flight between Cardiff and Belfast?

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from Cardiff is in January. Flight prices, which tend to average around £92, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £102.

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

The cheapest day to depart on your flight to Belfast is on a Wednesday when prices can be found for as low as £94. This is often the case because there is less demand to fly during this day of the week. Flights from Cardiff to Belfast on a Sunday will generally be more expensive and average around £118. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Belfast is in the evening when flights can be purchased for as low as £92. Flights to Belfast are more costly at midday, with an average ticket price of £167. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Cardiff Wales to Belfast flight route?

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

How far in advance should I book a flight to Belfast?

You are more likely to see cheaper flights to Belfast from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £117 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from Cardiff for as low as £95 on momondo.

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

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

Cheap Cardiff to Belfast flight deals and tips

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

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Belfast

1 airport
The fastest flight from Cardiff to Belfast takes 1h 25m
Direct flights go from Cardiff to Belfast every day.
There is 1 airport near Belfast: Belfast City (BHD)
Search flight deals

  • How far is Cardiff Wales to Belfast by plane?

    The distance between Cardiff Wales and Belfast is about 243.6 mi. Typically, this will take 1h 25m by plane in normal conditions.

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

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

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

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

    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 Cardiff Wales Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Cardiff to Belfast

Compare and see reviews for airlines that fly from Cardiff to Belfast with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £75Free CancellationRating
6.9
1,820 reviews
Search easyJet flights
Aer LingusPriceFrom £86Free CancellationRating
7.2
1,271 reviews
Search Aer Lingus flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to Belfast for you.

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

Yes. momondo allows you to filter the results for Cardiff to Belfast flights to just show those with flexible booking policies.

How can momondo help me find flights from Cardiff to Belfast?

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 Belfast from Cardiff.

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

Yes. momondo can track prices for Cardiff to Belfast 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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport