€106 : Cheap Flights from Swansea to Belfast

Flight FAQs

FAQs about flights from Swansea to Belfast (no local airports)

• Which airlines offer the cheapest flights from Cardiff (CWL) to Belfast (BFS)?

  Based on Trip.com data, Aer Lingus offers one-way fares as low as €49 on Cheapest nonstop routes (e.g. CWL to BHD on Sat, Dec 6), while Aer Lingus offers Cheapest nonstop round-trips from €106 departing on Sat, Nov 29 and returning on Mon, Dec 1.

• Which airlines offer direct flights from Cardiff to Belfast?

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

• How long is the flight from Cardiff (CWL) to Belfast (BFS)?

  It takes about 1 hour 30 minutes to fly from Cardiff (CWL) to Belfast (BFS).

• When is the best time to book flights from Cardiff to Belfast?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cardiff to Belfast 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.

• How many flights are there per week from Cardiff to Belfast?

  Based on Trip.com data in the past 4 weeks, there is 7 flight per week flying from Cardiff to Belfast. You can check the weekly schedule for popular airlines on this route below: Aer Lingus: S/M/T/W/T/F/S -- EI3621 (12:02)

• How can I find the best deals on flights from Cardiff to Belfast?

  To find best deals on flights from Cardiff to Belfast, 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 Sat, Dec 6, with one-way flights priced at just €49.
  · 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 Belfast travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Cardiff to Belfast to get the best price?

  The cheapest months to fly from Cardiff to Belfast is October, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Cardiff to Belfast?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Cardiff to Belfast on November 26, 2025 with Aer Lingus, with prices starting at €106.

• Which airports can I fly through when travelling to Belfast from Cardiff?

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

• What is the time difference between Cardiff and Belfast?

  The time difference between Belfast and Cardiff is 0h.

• How can I change or cancel my flight ticket from Cardiff to Belfast?

  Tickets can only be changed or cancelled 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.