Cheap flights from London to Belfast from €62

The month of January is, on average, the cheapest month to fly to Belfast from London, with most prices found around €70. 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 €83.

The cheapest day to depart from London to Belfast is on a Sunday when prices can be found for as low as €138. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Belfast on Saturday is €209.

In the afternoon is the cheapest time of day to fly from London to Belfast when you can find flight prices for as low as €137. Flying to Belfast in the afternoon 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 €340.

Fly from London Luton 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 €167 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.

There is only 1 cabin class available to choose from on London to Belfast flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

The number of flights available between London and Belfast is 9 per day as of September 2026. The most frequent departure time is 08:00, with 38% of daily flights leaving in the afternoon.

The number of flights available between London and Belfast is 68 per week as of September 2026. The most frequent departure day is Sun, with 35% of weekly flights leaving on this day.