Belfast to Cardiff: buy now or wait?
Typical one-way fare Belfast→Cardiff: €71 (median of 22 daily lowest fares we tracked); under €60 is a good price; cheapest month: October; book 14–27 days ahead.
Cheaper than 5% of what we have seen
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Fare Desk notes
The lowest fare we have logged for Belfast to Cardiff is €59, and today’s fare matches that level. It is cheaper than 74% of the fares we have recorded, while the typical fare sits at €71. The route is currently offered by three airlines: Ryanair UK from €59, Aer Lingus from €60, and Eastern Air Lines from €71. In November, the typical fare was €71; October and December each showed a typical fare of €72.
Our analysis of the booking window suggests the lowest typical price appears when buying 0 to 13 days before departure, with a typical fare of €72 based on eight observations. Given today’s price and the lack of a cheaper alternative, our verdict is Buy now. The recommendation window reflects our broader data set for this route.
Piratefly Fare Desk · prices checked on
All fares Belfast → Cardiff
Cheapest first. Every price is live and goes straight to booking.
What the history says
Based on 101 prices we recorded on this exact route, compared against the same departure month.
Best booking window
14–27 days — is when this route has been cheapest to book: €72 typical, on 26 observations. That is about €6 less than booking in the last two weeks.
Cheapest months to fly to Cardiff
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.
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