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Cheap flights from Cardiff to Belfast from £68

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 8/10. 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 Cardiff to Belfast (CWL-BFS)

Cheap return flights

Logo
20:30 - 09:00CWL-BFS
12h 30m1 stop
Logo
19:00 - 12:00BFS-CWL
17h 00m2 stops
£153
Find Deal
Wed, 10 Sep - Thu, 11 Sep
Logo
12:25 - 07:55CWL-BFS
19h 30m2 stops
Logo
22:55 - 12:45BFS-CWL
13h 50m2 stops
£157
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Logo
07:55 - 22:15CWL-BFS
14h 20m2 stops
Logo
17:05 - 07:30BFS-CWL
14h 25m2 stops
£163
Find Deal
Thu, 11 Sep - Fri, 12 Sep
Logo
13:10 - 07:15CWL-BFS
18h 05m2 stops
Logo
22:45 - 15:55BFS-CWL
17h 10m2 stops
£163
Find Deal
Mon, 1 Sep - Mon, 29 Sep
Logo
12:25 - 07:55CWL-BFS
19h 30m2 stops
Logo
22:55 - 12:45BFS-CWL
13h 50m2 stops
£166
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Logo
12:25 - 07:55CWL-BFS
19h 30m2 stops
Logo
22:55 - 12:45BFS-CWL
13h 50m2 stops
£168
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Logo
20:30 - 09:00CWL-BFS
12h 30m1 stop
Logo
21:35 - 07:30BFS-CWL
33h 55m2 stops
£173
Find Deal
Wed, 10 Sep - Thu, 9 Oct
Logo
20:30 - 09:00CWL-BFS
12h 30m1 stop
Logo
22:10 - 12:45BFS-CWL
14h 35m2 stops
£174
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Logo
10:15 - 06:50CWL-BFS
20h 35m2 stops
Logo
07:00 - 14:05BFS-CWL
7h 05m2 stops
£179
Find Deal
Sun, 26 Oct - Thu, 30 Oct
Logo
20:30 - 09:00CWL-BFS
12h 30m1 stop
Logo
08:45 - 10:35BFS-CWL
25h 50m2 stops
£180
Find Deal
Wed, 3 Sep - Sat, 6 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Belfast Intl Airport 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 19 August 2025.
Use the filters below to find and compare flights from Cardiff to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 10/9

20:30-09:00

1 stop12h 30m

Belfast Intl

Thu 11/9

19:00-12:00

2 stops17h 00m

£153

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/9

12:25-07:55

2 stops19h 30m

Belfast Intl

Sun 7/9

22:55-12:45

2 stops13h 50m

£157

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Thu 11/9

07:55-22:15

2 stops14h 20m

Belfast Intl

Fri 12/9

17:05-07:30

2 stops14h 25m

£163

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Mon 1/9

13:10-07:15

2 stops18h 05m

Belfast Intl

Mon 29/9

22:45-15:55

2 stops17h 10m

£163

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/9

12:25-07:55

2 stops19h 30m

Belfast Intl

Sun 7/9

22:55-12:45

2 stops13h 50m

£166

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/9

12:25-07:55

2 stops19h 30m

Belfast Intl

Sun 7/9

22:55-12:45

2 stops13h 50m

£168

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 10/9

20:30-09:00

1 stop12h 30m

Belfast Intl

Thu 9/10

21:35-07:30

2 stops33h 55m

£173

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 8/10

20:30-09:00

1 stop12h 30m

Belfast Intl

Sun 12/10

22:10-12:45

2 stops14h 35m

£174

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Sun 26/10

10:15-06:50

2 stops20h 35m

Belfast Intl

Thu 30/10

07:00-14:05

2 stops7h 05m

£179

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 3/9

20:30-09:00

1 stop12h 30m

Belfast Intl

Sat 6/9

08:45-10:35

2 stops25h 50m

£180

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Cardiff to Belfast Intl Airport

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 Belfast Intl Airport?

The month of January is, on average, the cheapest month to fly to Belfast Intl Airport from Cardiff, with most prices found around £92. If you’re not able to fly to Belfast Intl Airport in January, then November is your next best option. Flight prices from Cardiff to Belfast Intl Airport during November average around £102.

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

The cheapest day to depart from Cardiff to Belfast Intl Airport is on a Wednesday when prices can be found for as low as £94. The most expensive day to fly to Belfast Intl Airport is Sunday, with ticket prices averaging around £118.

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

The cheapest time of day to fly to Belfast Intl Airport is in the evening when flights can be purchased for as low as £92. At midday is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £156 per ticket.

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

You are more likely to see cheaper flights to Belfast Intl Airport from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast Intl Airport 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 Intl Airport from Cardiff for as low as £95 on momondo.

How have Cardiff to Belfast Intl Airport flight prices changed over time?

As of August 2025, prices for Cardiff to Belfast Intl Airport flights are approximately 409% more expensive when compared to flights at the same time last year.

When to book flights from Cardiff to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Belfast Intl Airport (CWL to BFS) flight deals and tips

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

Best price found

£68

Fastest flight time

3h 45m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Cardiff in the past 72 hours is £68. The best return flight deal from Cardiff to Belfast Intl Airport found on momondo in the last 72 hours is £153.
The fastest flight from Cardiff to Belfast Intl Airport takes 3h 45m
There are no direct flights from Cardiff to Belfast Intl Airport. Popular non-direct route for this connection is Cardiff Wales Airport - Belfast Intl Airport.
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  • How far is Cardiff Wales to Belfast Intl by plane?

    Cardiff Wales and Belfast Intl are 252.9 mi apart from one another. By plane, this route typically takes 3h 45m.

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

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

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

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

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Cardiff to Belfast Intl Airport?

Best airlines flying from Cardiff to Belfast Intl Airport

Compare and see reviews for airlines that fly from Cardiff to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £61Free CancellationRating
6.9
1,820 reviews
Search easyJet flights
Aer LingusPriceFrom £85Free CancellationRating
7.2
1,221 reviews
Search Aer Lingus flights

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Belfast. momondo saves you time and could save you money on your trip.

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

Flights from Cardiff to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Cardiff and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Cardiff to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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