£51 Find Cheap Flights from London Heathrow Airport to Belfast – Compare and Save

The cheapest return flight from London Heathrow Airport to Belfast costs £107 on the route between London Heathrow Airport (LHR) and Belfast City Airport (BHD). Over the past month, this route was, on average, 20% cheaper than other London Heathrow Airport-Belfast routes. It is also the most popular route.

If you are looking for a flight deal from London Heathrow Airport to Belfast, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Belfast, Friday is the cheapest day to fly and Wednesday is the most expensive.

The cheapest month for flights from London Heathrow Airport to Belfast is November, where tickets cost £117 (return) on average. On the other hand, the most expensive months are September and June, where the average cost of round-trip tickets is £182 and £179 respectively.

To get a below average price on the flight from London Heathrow Airport to Belfast, you should book around 5 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 6 and 10 direct flights that take off from London Heathrow Airport and land in Belfast, with an average flight time of 1h 22m. The most common departure time is 16:00 and most flights take off in the morning, while the most flights land at Belfast City Airport. Each week, there are 61 flights. The most frequent day of departure is Tuesday, when 16% of all weekly flights depart. The fewest flights depart on a Saturday.