Belfast to Cardiff Flights from HKD 58 incl. tax

Based on HopeGoo data, Aer Lingus offers one-way fares as low as US$70 on Cheapest nonstop routes (e.g. BHD to CWL on Fri, Mar 20), while Aer Lingus offers Cheapest nonstop round-trips from US$135 departing on Thu, Feb 19 and returning on Sat, Feb 21.

At the moment, you can catch a nonstop flight from Belfast to Cardiff with the following airlines, including: Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 1 hour 20 minutes to fly from Belfast to Cardiff.

By analyzing data from all airlines on the HopeGoo 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.

Based on HopeGoo data in the past 4 weeks, there is 7 flight per week flying from Belfast to Cardiff. You can check the weekly schedule for popular airlines on this route below: Aer Lingus: S/M/T/W/T/F/S -- EI3620 (06:50)

To find best deals on flights from Belfast to Cardiff, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Mar 20, with one-way flights priced at just US$70. · 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 HopeGoo 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 HopeGoo 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 February flight calendar, it's currently cheapest to fly from Belfast to Cardiff on February 27, 2026 with Aer Lingus, with prices starting at US$68.

You can land at any one of the following hubs in Cardiff, with George Best Belfast City Airport to Cardiff Airport (BHD-CWL) is by far the most common option on this route: Cardiff Airport (CWL).

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 HopeGoo, 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.