Cheap flights from London Heathrow Airport to Brussels from €71

The month of December is, on average, the cheapest month to fly to Brussels from London Heathrow Airport, with most prices found around €80. If you are unable to visit Brussels during the month of December, then departing from London Heathrow Airport during the month June is also very affordable. Most momondo users find prices during this month for around €81.

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

You are more likely to see cheaper flights to Brussels from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €146 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from London Heathrow Airport for as low as €118 on momondo.

Historically, on average around 21% of flights between London and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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. Sunday 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.

As of May 2026, 9 flights take off from London Heathrow Airport and land in Brussels each day. The most common flight departure time for this route is 11:00, with 61% of daily flights taking off at midday.

As of May 2026, 64 flights take off from London Heathrow Airport and land in Brussels each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.