Cheap flights from Belfast to Cardiff from £45

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — CWL
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Belfast to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 18 July 2025.

Round-trip from

£90

One-way from

£45

Popular in

December

Cheapest in

January

Average price

£145
Aer Lingus
  • Aer Lingus
  • 8/10-10/10
  • Nonstop
  • 2h 45m total
  • Belfast to Cardiff
Aer Lingus
  • Aer Lingus
  • 4/10
  • Nonstop
  • 1h 20m total
  • Belfast to Cardiff
Highest demand for flights based on searches. 18% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 9% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Belfast to Cardiff

Cheapest flights from Belfast to Cardiff
Explore the most affordable flight options available from Belfast to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Wed 8/1010:10BHD - CWL
Nonstop1h 20mAer Lingus
Fri 10/1009:00CWL - BHD
Nonstop1h 25mAer Lingus
Deal found 17/7£90
Sat 4/1010:10BHD - CWL
Nonstop1h 20mMultiple Airlines
Sat 4/1021:30CWL - BHD
2 stops13h 00mMultiple Airlines
Deal found 16/7£145
Wed 27/807:25BFS - CWL
2 stops24h 00mMultiple Airlines
Fri 29/812:25CWL - BFS
2 stops11h 05mMultiple Airlines
Deal found 16/7£169
Sat 9/810:10BHD - CWL
Nonstop1h 20mBritish Airways
Sun 10/812:00CWL - BHD
Nonstop1h 25mBritish Airways
Deal found 18/7£250
Thu 31/706:30BHD - CWL
1 stop10h 15mKLM
Sat 2/809:45CWL - BHD
1 stop11h 30mKLM
Deal found 18/7£395

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast 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 18 July 2025.
Use the filters below to find and compare flights from Belfast to Cardiff that are best for you.

Fly from

Belfast

Fly to

Cardiff

Route

Depart

Return

Price

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Wed 8/10

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Fri 10/10

09:00-10:25

Nonstop1h 25m

£90

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sat 4/10

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Sat 4/10

21:30-10:30

2 stops13h 00m

£145

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Wed 27/8

07:25-07:25

2 stops24h 00m

Cardiff Wales

Fri 29/8

12:25-23:30

2 stops11h 05m

£169

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sat 9/8

10:10-11:30

Nonstop1h 20m

Cardiff Wales

Sun 10/8

12:00-13:25

Nonstop1h 25m

£250

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Thu 31/7

06:30-16:45

1 stop10h 15m

Cardiff Wales

Sat 2/8

09:45-21:15

1 stop11h 30m

£395

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sat 4/10

10:10-11:30

Nonstop1h 20m

£45

BelfastCardiff

BFS - CWL

BFSCWL

Belfast Intl

Tue 16/9

08:15-07:55

2 stops23h 40m

£86

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Tue 16/9

07:05-07:55

2 stops24h 50m

£96

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Fri 29/8

07:00-08:20

Nonstop1h 20m

£119

BelfastCardiff

BHD - CWL

BHDCWL

Belfast City

Sat 4/10

17:25-09:15

1 stop15h 50m

£195

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Best time to book a flight from Belfast to Cardiff

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

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

Currently, July is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £169). Flying from Belfast to Cardiff in December is currently the most expensive (average of £263). 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 BFS to CWL?

Find hourly flight availability from Belfast to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

When flying from Belfast to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 16% versus a flight in the afternoon.

How much does it cost for a return flight from Belfast 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 18 July 2025.
Get a feel of what it's like to fly with KLM, Aer Lingus, andBritish Airways from Belfast to Cardiff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

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

Find useful and relevant information for your journey from Belfast 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?

    Cardiff Wales (CWL) is the airport you will fly into if you book a flight from Belfast to Cardiff. You should not have trouble finding flights to Cardiff Wales from Belfast; the airport handles an average of 0 inbound flights from Belfast per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Cardiff airport from Belfast. It is only a 9.1 mi journey from Cardiff Wales (CWL) to Cardiff’s city center.

  • What are the cheapest airlines flying from Belfast to Cardiff round-trip?

    Aer Lingus, at £90, was found to be the cheapest airline from Belfast to Cardiff.Alternate airlines flying return to your destination include British Airways and KLM. Aer Lingus is currently priced 29% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Belfast to Cardiff one-way?

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £45. However, be on the lookout for offers from British Airways and KLM, as they are both options that can get you from Belfast to Cardiff for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Cardiff?

    Currently, July is the cheapest month in which you can book a flight from Belfast to Cardiff (average of £169). Flying from Belfast to Cardiff in December is currently the most expensive (average of £263). 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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Top 2 airlines flying from Belfast to Cardiff

Discover the top 2 airlines that operate flights from Belfast 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£38Average£79FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Aer LingusCheapest£82Average£121FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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

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

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

Yes, Cheapflights offers price alerts on Belfast to Cardiff 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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