Cheap flights from London to Belfast from €61

The month of January is, on average, the cheapest month to fly to Belfast from London, with most prices found around €47. If you’re not able to fly to Belfast in January, then November is your next best option. Flight prices from London to Belfast during November average around €52.

In the morning is the cheapest time of day to fly from London to Belfast when you can find flight prices for as low as €103. Flying to Belfast in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of €337.

Fly from London Gatwick to Belfast City 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 €165 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 €113 on momondo.

The number of flights available between London and Belfast is 13 per day as of April 2026. The most frequent departure time is 19:00, with 41% of daily flights leaving in the evening.

The number of flights available between London and Belfast is 96 per week as of April 2026. The most frequent departure day is Wed, with 29% of weekly flights leaving on this day.