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Flights from Belfast to Cardiff

Find the cheapest direct flight options from Belfast to Cardiff over the next three months. Book one-way tickets from HK$508 and round-trip tickets from HK$904.

      • Cheapest nonstop
        BHD 06:45
        1h 20m
        Direct
        CWL 08:05
        Belfast - Cardiff | Thu, Jan 15 | Aer Lingus
        CWL 08:35
        1h 25m
        Direct
        BHD 10:00
        Cardiff - Belfast | Thu, Jan 22 | Aer Lingus
        HK$904 HK$1,396
        35% OFF
        35% OFF
        HK$1,396 HK$904
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Sun, Dec 14 | Aer Lingus
        CWL 12:00
        1h 25m
        Direct
        BHD 13:25
        Cardiff - Belfast | Wed, Dec 17 | Aer Lingus
        HK$970 HK$1,396
        31% OFF
        31% OFF
        HK$1,396 HK$970
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Sat, Jan 17 | Aer Lingus
        CWL 12:00
        1h 25m
        Direct
        BHD 13:25
        Cardiff - Belfast | Sat, Jan 24 | Aer Lingus
        HK$975 HK$1,396
        30% OFF
        30% OFF
        HK$1,396 HK$975
      • BHD 06:45
        1h 20m
        Direct
        CWL 08:05
        Belfast - Cardiff | Thu, Jan 22 | Aer Lingus
        CWL 08:35
        1h 25m
        Direct
        BHD 10:00
        Cardiff - Belfast | Fri, Jan 23 | Aer Lingus
        HK$975
        30% OFF
        HK$1,396 HK$975
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Mon, Dec 15 | Aer Lingus
        CWL 12:00
        1h 25m
        Direct
        BHD 13:25
        Cardiff - Belfast | Wed, Dec 17 | Aer Lingus
        HK$976
        30% OFF
        HK$1,396 HK$976
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Tue, Dec 23 | Aer Lingus
        CWL 08:35
        1h 25m
        Direct
        BHD 10:00
        Cardiff - Belfast | Fri, Dec 26 | Aer Lingus
        HK$976
        30% OFF
        HK$1,396 HK$976
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Tue, Dec 16 | Aer Lingus
        CWL 08:35
        1h 25m
        Direct
        BHD 10:00
        Cardiff - Belfast | Thu, Dec 18 | Aer Lingus
        HK$976
        30% OFF
        HK$1,396 HK$976
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Sat, Jan 24 | Aer Lingus
        CWL 12:00
        1h 25m
        Direct
        BHD 13:25
        Cardiff - Belfast | Mon, Jan 26 | Aer Lingus
        HK$976
        30% OFF
        HK$1,396 HK$976
      • BHD 10:10
        1h 20m
        Direct
        CWL 11:30
        Belfast - Cardiff | Wed, Dec 17 | Aer Lingus
        CWL 08:35
        1h 25m
        Direct
        BHD 10:00
        Cardiff - Belfast | Thu, Dec 18 | Aer Lingus
        HK$978
        30% OFF
        HK$1,396 HK$978
      • BHD 06:45
        1h 20m
        Direct
        CWL 08:05
        Belfast - Cardiff | Fri, Jan 2 | Aer Lingus
        CWL 12:00
        1h 25m
        Direct
        BHD 13:25
        Cardiff - Belfast | Mon, Jan 5 | Aer Lingus
        HK$978
        30% OFF
        HK$1,396 HK$978
      • BFS 13:00
        17h 25m
        1 stop
        CWL Invalid Date
        Belfast - Cardiff | Thu, Dec 11 | Normal Airline
        CWL 15:00
        6h
        Direct
        BFS 16:00
        Cardiff - Belfast | Sat, Dec 13 | Normal Airline
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Displayed flight fares from Belfast to Cardiff are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Belfast to Cardiff

The distance between Belfast and Cardiff is 393.92 km. It takes around 1 hour 20 minutes on average to fly from Belfast to Cardiff. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceHK$508
Cheapest round-trip ticket priceHK$904
Off-season for travelNovember
Peak season for travelJuly
Flight distance393.92 km
Average flight time1 hour 20 minutes

Find the best time to fly from Belfast to Cardiff

The cheapest time for Belfast to Cardiff flights: Dec 14 to Dec 21 — one way flight prices from HK$507.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Belfast to Cardiff, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Belfast to Cardiff (BFS-CWL)?

    Based on Trip.com data, Aer Lingus offers one-way fares as low as HK$508 on Cheapest nonstop routes (e.g. BHD to CWL on Fri, Dec 26), while Aer Lingus offers Cheapest nonstop round-trips from HK$904 departing on Thu, Jan 15 and returning on Thu, Jan 22.
  • It takes around 1 hour 20 minutes to fly from Belfast (BFS) to Cardiff (CWL).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Belfast to Cardiff is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Belfast to Cardiff, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Dec 26, with one-way flights priced at just HK$508.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aer Lingus.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Cardiff travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Belfast to Cardiff is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Belfast to Cardiff on December 14, 2025 with Aer Lingus, with prices starting at HK$969.
  • The time difference between Cardiff and Belfast is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.