Cheap flights from London to Belfast from R577

The month of January is, on average, the cheapest month to fly to Belfast from London, with most prices found around R1 418. If you aren’t able to travel during the month of January, then book flights to Belfast from London during November instead. Flights to Belfast in November, while not as cheap as those in January, still average around R1 648.

At midday is the cheapest time of day to fly from London to Belfast when you can find flight prices for as low as R2 825. Flying to Belfast at midday is an ideal time because this is during off-peak travel hours. Flights to Belfast are more costly in the afternoon, with an average ticket price of R4 383. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Stansted to Belfast Intl for the best London - Belfast flight prices

You are more likely to see cheaper flights to Belfast from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around R3 162 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from London for as low as R2 110 on momondo.

As of November 2026, there are 17 flights per day flying from London to Belfast. The most common time of day flights depart is 8:00, with 40% of flights taking off in the afternoon.

As of November 2026, there are 122 flights per week flying from London to Belfast. The most common day of the week flights depart is Sun, with 35% of flights taking off on this day.