Find Cheap Flights from Belfast to London – Compare and Save

The absolute cheapest return flight from Belfast to London costs £20 on the route between Belfast Intl Airport (BFS) and London Stansted Airport (STN). However, over the past month, flights between Belfast City Airport (BHD) and London Southend Airport (SEN) were, on average, 74% cheaper than other Belfast-London routes. The most popular route is between Belfast City Airport (BHD) and London Heathrow Airport (LHR).

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

The cheapest month for flights from Belfast to London is February, where tickets cost £86 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is £143 and £129 respectively.

To get a below average price on the flight from Belfast to London, you should book around 6 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Belfast and London are connected by different airlines. The airlines that fly that route the most regularly are easyJet (98 flights per week), British Airways (56 flights per week), and Loganair (20 flights per week).

There are 4 airlines that fly direct from Belfast to London. They are: British Airways, Loganair, Ryanair and easyJet. The cheapest price of all airlines flying this route was found with Ryanair at £19 for a return flight. On average, the best prices for this route can be found at Ryanair.

Weekly flights between Belfast and London historically see delays in approximately 14% of cases, with the average delay over the past year being 108 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, Ryanair have experienced the fewest delays on this route in the past 12 months, with only about 13% of their flights encountering any delays.

There are 4 cabin class options for the route. These are First, 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 16 and 32 direct flights that take off from Belfast and land in London, with an average flight time of 1h 21m. The most common departure time is 06:00 and most flights take off in the morning, while the most flights land at London Gatwick Airport. Each week, there are 192 flights. The most frequent day of departure is Friday, when 17% of all weekly flights depart. The fewest flights depart on a Saturday.