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Flights from Cardiff to Belfast

Airlines operating flights from Cardiff to Belfast

Choose from 1 airlines flying from Cardiff to Belfast, including Aer Lingus, and . Aer Lingus currently offers the cheapest ticket on this route.

Find the cheapest direct flight options from Cardiff to Belfast over the next three months. Book one-way tickets from CAD 81 and round-trip tickets from CAD 174.

Displayed flight fares from Cardiff to Belfast are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Cardiff to Belfast

The distance between Cardiff and Belfast is 393.92 km. It takes around 1 hour 30 minutes on average to fly from Cardiff to Belfast. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceCAD 81
Cheapest round-trip ticket priceCAD 174
Off-season for travelOctober
Peak season for travelJuly
Flight distance393.92 km
Average flight time1 hour 30 minutes
Popular airlineAer Lingus

Find the best time to fly from Cardiff to Belfast

The cheapest time for Cardiff to Belfast flights: Dec 28 to Jan 4 — one way flight prices from CAD 81.

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 Cardiff to Belfast, calculated over the upcoming 10 weeks.

Flight FAQs

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

    Based on Trip.com data, Aer Lingus offers one-way fares as low as CAD 81 on Cheapest nonstop routes (e.g. CWL to BHD on Sun, Jan 4), while Aer Lingus offers Cheapest nonstop round-trips from CAD 174 departing on Fri, Jan 23 and returning on Mon, Jan 26.
  • At the moment, you can catch a nonstop 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.
  • It takes around 1 hour 30 minutes to fly from Cardiff (CWL) to Belfast (BFS).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 6 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 (12:50)
  • 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 Sun, Jan 4, with one-way flights priced at just CAD 81.
    · 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.
  • The cheapest months to fly from Cardiff to Belfast is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cardiff to Belfast on December 26, 2025 with Aer Lingus, with prices starting at CAD 78.
  • 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: George Best Belfast City Airport (BHD) Belfast International Airport (BFS).
  • The time difference between Belfast and Cardiff 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.