Cheap flights from Brussels to London from €69

The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Brussels averaging around €135.

The cheapest day to depart on your flight to London Heathrow Airport is on a Monday when prices can be found for as low as €493. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Brussels because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €652.

Fly from Brussels Bruxelles-National to London Heathrow for the best Brussels - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Brussels when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around €149 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 Brussels for as low as €108 on momondo.

Historically, on average around 16% of flights between Brussels and London have experienced a delay on any given week. The average delay length over the past 12 months has been 101 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

The number of flights available between Brussels and London Heathrow Airport is 12 per day as of March 2026. The most frequent departure time is 09:00, with 53% of daily flights leaving at midday.

As of March 2026, 85 flights take off from Brussels and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 28% of weekly flights taking off on this day.