Cheap flights from London to Brussels from €60

The month of March is, on average, the cheapest month to fly to Brussels from London, with most prices found around €125. If you are unable to visit Brussels during the month of March, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around €127.

On average, the least expensive day to fly to Brussels from London is on a Monday. momondo users have found tickets for Monday departures for as low as €524. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Brussels on Wednesday is €539.

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

You are more likely to see cheaper flights to Brussels from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €139 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 for as low as €114 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 96 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 and Brussels is 11 per day as of February 2026. The most frequent departure time is 11:00, with 88% of daily flights leaving at midday.

The number of flights available between London and Brussels is 83 per week as of February 2026. The most frequent departure day is Thu, with 35% of weekly flights leaving on this day.