Cheap flights from London Heathrow Airport to Brussels from $66

The cheapest month to fly to Brussels Bruxelles-National Airport from London Heathrow Airport is in January. Flight prices, which tend to average around $152, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Brussels Bruxelles-National Airport from London Heathrow Airport during September instead. Flights to Brussels Bruxelles-National Airport in September, while not as cheap as those in January, still average around $155.

The cheapest day to depart from London Heathrow Airport to Brussels Bruxelles-National Airport is on a Thursday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Thursday will often find tickets for as low as $273. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Brussels Bruxelles-National Airport for around $560.

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the evening. Flights from London Heathrow Airport to Brussels Bruxelles-National Airport during this time can be as low as $189. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $508 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 travelers’ 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 $166 when searching weeks out. 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 $135 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 in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

12 flights are operational daily from London Heathrow Airport to Brussels Bruxelles-National Airport as of March 2026. The most popular departure time for this route is 11:00AM, with 73% of flights per day taking off at noon.

As of March 2026, there are 84 flights per week flying from London Heathrow Airport to Brussels Bruxelles-National Airport. The most common day of the week flights depart is Mon, with 30% of flights taking off on this day.