Cheap flights from Belfast to London

In general, December is the cheapest month to fly from Belfast to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £120. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Belfast averaging around £124.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Belfast to London Heathrow Airport in the evening for as low as £455. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £784 on average. Flights to London Heathrow Airport from Belfast in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Belfast City to London Heathrow for the best Belfast - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Belfast when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £141 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Belfast for as low as £117 on momondo.