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Cheap flights from Cardiff to Belfast 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 Belfast 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.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:05 - 08:05CWL-BFS
16h 00m1 stop
Multiple Airlines Logo
05:45 - 15:40BFS-CWL
9h 55m1 stop
£131Multiple Airlines
Find Deal
Fri, 12 Dec - Fri, 19 Dec
Multiple Airlines Logo
21:20 - 18:55CWL-BFS
21h 35m2 stops
Multiple Airlines Logo
07:10 - 20:55BFS-CWL
13h 45m2 stops
£140Multiple Airlines
Find Deal
Sun, 14 Dec - Sun, 21 Dec
Multiple Airlines Logo
16:05 - 08:05CWL-BFS
16h 00m1 stop
Multiple Airlines Logo
08:05 - 22:00BFS-CWL
13h 55m2 stops
£147Multiple Airlines
Find Deal
Fri, 12 Dec - Fri, 19 Dec
Multiple Airlines Logo
16:05 - 08:05CWL-BFS
16h 00m1 stop
Multiple Airlines Logo
08:15 - 18:00BFS-CWL
9h 45m1 stop
£153Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
16:05 - 08:05CWL-BFS
16h 00m1 stop
Multiple Airlines Logo
23:05 - 23:05BFS-CWL
24h 00m2 stops
£158Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
16:05 - 08:05CWL-BFS
16h 00m1 stop
Multiple Airlines Logo
08:15 - 18:00BFS-CWL
9h 45m1 stop
£161Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
22:25 - 18:45CWL-BFS
20h 20m2 stops
Multiple Airlines Logo
07:50 - 22:00BFS-CWL
14h 10m2 stops
£167Multiple Airlines
Find Deal
Fri, 12 Dec - Fri, 19 Dec
Multiple Airlines Logo
19:10 - 12:20CWL-BFS
17h 10m1 stop
Multiple Airlines Logo
21:40 - 15:40BFS-CWL
18h 00m2 stops
£168Multiple Airlines
Find Deal
Wed, 26 Nov - Thu, 27 Nov
Multiple Airlines Logo
22:25 - 16:35CWL-BFS
18h 10m2 stops
Multiple Airlines Logo
05:45 - 18:00BFS-CWL
12h 15m2 stops
£169Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
22:25 - 18:45CWL-BFS
20h 20m2 stops
Multiple Airlines Logo
21:35 - 18:45BFS-CWL
21h 10m2 stops
£172Multiple Airlines
Find Deal
Fri, 28 Nov - Tue, 2 Dec

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 16 November 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

Fri 12/12

16:05-08:05

1 stop16h 00m

Belfast Intl

Fri 19/12

05:45-15:40

1 stop9h 55m

£131

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Sun 14/12

21:20-18:55

2 stops21h 35m

Belfast Intl

Sun 21/12

07:10-20:55

2 stops13h 45m

£140

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 12/12

16:05-08:05

1 stop16h 00m

Belfast Intl

Fri 19/12

08:05-22:00

2 stops13h 55m

£147

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/12

16:05-08:05

1 stop16h 00m

Belfast Intl

Sun 7/12

08:15-18:00

1 stop9h 45m

£153

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/12

16:05-08:05

1 stop16h 00m

Belfast Intl

Sun 7/12

23:05-23:05

2 stops24h 00m

£158

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/12

16:05-08:05

1 stop16h 00m

Belfast Intl

Sun 7/12

08:15-18:00

1 stop9h 45m

£161

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 12/12

22:25-18:45

2 stops20h 20m

Belfast Intl

Fri 19/12

07:50-22:00

2 stops14h 10m

£167

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Wed 26/11

19:10-12:20

1 stop17h 10m

Belfast Intl

Thu 27/11

21:40-15:40

2 stops18h 00m

£168

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 5/12

22:25-16:35

2 stops18h 10m

Belfast Intl

Sun 7/12

05:45-18:00

2 stops12h 15m

£169

CardiffBelfast

CWL - BFS

CWLBFS

Cardiff Wales

Fri 28/11

22:25-18:45

2 stops20h 20m

Belfast Intl

Tue 2/12

21:35-18:45

2 stops21h 10m

£172

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 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 £95. If you’re not able to fly to Belfast Intl Airport in January, then October is your next best option. Flight prices from Cardiff to Belfast Intl Airport during October average around £105.

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 £97. The most expensive day to fly to Belfast Intl Airport is Sunday, with ticket prices averaging around £121.

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 £94. At midday is when there is more demand to fly to Belfast Intl Airport, so prices are often more expensive at around £210 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 £120 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 £100 on momondo.

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

As of November 2025, prices for Cardiff to Belfast Intl Airport flights are approximately 477% 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

Direct flights

None
There are no direct flights from Cardiff to Belfast Intl Airport. There are no popular flight routes from Cardiff to Belfast Intl Airport.
Search flight deals

  • 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 4h 00m.

  • 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 £65Free CancellationRating
6.9
1,843 reviews
Search easyJet flights
Aer LingusPriceFrom £88Free CancellationRating
7.2
1,370 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?

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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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