Cheap flights from London Heathrow Airport to Brussels from £51

If you don’t want to visit Brussels Bruxelles-National Airport in January, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £116.

Our data shows that Friday is the least expensive day to fly to Brussels Bruxelles-National Airport. Tickets to fly out on this day can be as low as £434. On the other hand, Tuesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £484.

Our data shows that the cheapest London Heathrow Airport to Brussels Bruxelles-National Airport flights are usually those with departure times in the evening. Our users have found flights to Brussels Bruxelles-National Airport in the evening for as low as £123. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £480 on average. Flights to Brussels Bruxelles-National Airport from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around £126 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from London Heathrow Airport for as low as £102 on momondo.

There are 3 cabin classes available to choose from on London Heathrow to Brussels Bruxelles-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 94 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. Friday 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 16% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Brussels Bruxelles-National Airport is 14 per day as of April 2026. The most frequent departure time is 11:00, with 64% of daily flights leaving at midday.

As of April 2026, 103 flights take off from London Heathrow Airport and land in Brussels Bruxelles-National Airport each week. The most common flight departure day for this route is Wed, with 23% of weekly flights taking off on this day.