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Cheap flights from Belfast Intl Airport to Cardiff from £51

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — CWL
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Cardiff
Explore the most affordable flight options available from Belfast Intl to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Sat 25/718:10
BFS
-
CWL
1 stop14h 45m
Multiple Airlines
Wed 29/723:15
CWL
-
BFS
2 stops20h 00m
Multiple Airlines
Deal found 1/6£101
Fri 3/717:05
BFS
-
CWL
2 stops13h 50m
Multiple Airlines
Fri 10/722:45
CWL
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 3/6£112
Sat 18/718:10
BFS
-
CWL
1 stop14h 45m
Multiple Airlines
Mon 20/722:10
CWL
-
BFS
2 stops11h 50m
Multiple Airlines
Deal found 31/5£113
Tue 30/607:35
BFS
-
CWL
2 stops15h 15m
Multiple Airlines
Tue 7/723:15
CWL
-
BFS
2 stops16h 00m
Multiple Airlines
Deal found 2/6£114
Mon 27/717:35
BFS
-
CWL
1 stop16h 15m
Multiple Airlines
Thu 30/722:50
CWL
-
BFS
2 stops20h 40m
Multiple Airlines
Deal found 2/6£115
Tue 28/713:15
BFS
-
CWL
1 stop8h 05m
Multiple Airlines
Fri 31/722:45
CWL
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 31/5£120

Find flight deals from Belfast Intl to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 June 2026.

Round-trip from

£101

One-way from

£51

Popular in

February

Cheapest in

November

Average price

£123
25/7-29/7
  • 25/7-29/7
  • 3 total stops
  • 34h 45m total
  • Belfast to Cardiff
Search Deals
25/7
  • 25/7
  • 1 total stop
  • 14h 45m total
  • Belfast to Cardiff
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Cardiff 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, Cheapflights users made 858,174 searches. Data last updated 4 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sat 25/7

18:10-08:55

1 stop14h 45m

Cardiff Wales

Wed 29/7

23:15-19:15

2 stops20h 00m

£101

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 3/7

17:05-06:55

2 stops13h 50m

Cardiff Wales

Fri 10/7

22:45-21:15

2 stops22h 30m

£112

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sat 18/7

18:10-08:55

1 stop14h 45m

Cardiff Wales

Mon 20/7

22:10-10:00

2 stops11h 50m

£113

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 30/6

07:35-22:50

2 stops15h 15m

Cardiff Wales

Tue 7/7

23:15-15:15

2 stops16h 00m

£114

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Mon 27/7

17:35-09:50

1 stop16h 15m

Cardiff Wales

Thu 30/7

22:50-19:30

2 stops20h 40m

£115

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 28/7

13:15-21:20

1 stop8h 05m

Cardiff Wales

Fri 31/7

22:45-21:15

2 stops22h 30m

£120

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Thu 2/7

12:45-22:25

2 stops9h 40m

Cardiff Wales

Thu 9/7

22:50-15:35

2 stops16h 45m

£141

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Sat 4/7

18:10-08:55

1 stop14h 45m

Cardiff Wales

Sat 11/7

07:30-21:15

2 stops13h 45m

£212
Fastest return journey

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 7/7

08:25-22:50

2 stops14h 25m

Cardiff Wales

Sun 12/7

14:45-23:25

1 stop8h 40m

£214
Cheapest one-way

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Fri 24/7

08:55-06:55

2 stops22h 00m

£57

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Belfast Intl 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 Belfast Intl Airport to Cardiff

What is the cheapest month to book a flight from Belfast Intl Airport to Cardiff?

Currently, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £97). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £248). 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.

How much does it cost for a return flight from Belfast Intl Airport to Cardiff?

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 4 June 2026.
Read through reviews of airlines operating flights from Belfast Intl Airport to Cardiff, such as Aer Lingus. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,594 reviews
Check prices

Crew

8.1

Overall

7.3

Boarding

7.4

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Aer Lingus
7.3
Good
1,594 reviews
Aer Lingus
7.3
Good
1,594 reviews
Check prices

Crew

8.1

Overall

7.3

Boarding

7.4

Food

6.7

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Cardiff. 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 into for flights to Cardiff from Belfast Intl?

    Cardiff Wales (CWL) is the airport you will fly into if you book a flight from Belfast Intl to Cardiff. You should not have trouble finding flights to Cardiff Wales from Belfast Intl; the airport handles an average of 0 inbound flights from Belfast Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Cardiff airport from Belfast Intl. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

  • What is the cheapest airline to fly from Belfast Intl Airport to Cardiff round-trip?

    Aer Lingus, at £91, was found to be the cheapest airline from Belfast Intl Airport to Cardiff.. This flight start at 31% lower than the current average price 3 months from now.

  • Can I find deals for flights from Belfast Intl to Cardiff that include hotel bookings?

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

  • How can I find direct flights from Belfast Intl to Cardiff?

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

  • Can I find deals for business class flights from Belfast Intl to Cardiff?

    Yes. Cheapflights offers flight deals from Belfast Intl to Cardiff 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 Belfast Intl Airport to Cardiff?

    Currently, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Cardiff (average of £97). Flying from Belfast Intl Airport to Cardiff in February is currently the most expensive (average of £248). 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

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

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Alternative routes for Belfast Intl to Cardiff

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Manchester flights
Belfast City to Manchester flights
Belfast Intl to Bristol flights
Belfast City to Cardiff flights
Belfast City to Bristol flights

Top airline flying from Belfast Intl to Cardiff

Discover the top airline that operate flights from Belfast Intl to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£91Average£123FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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How does Cheapflights help users find flights from Belfast Intl to Cardiff?

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Cardiff?

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Can Cheapflights find flights from Belfast Intl to Cardiff with no change fees?

Need flexible booking options for your flight to Cardiff from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Cardiff become cheaper?

Not ready to book yet? You can track prices for flights from Belfast Intl to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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