Cheap flights from London to Brussels from $127

The cheapest month to fly to Brussels Bruxelles-National Airport from London is in January. Flight prices, which tend to average around $221, are often lower during this time because this is during the off-season. If you are unable to visit Brussels Bruxelles-National Airport during the month of January, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around $226.

On average, the least expensive day to fly to Brussels Bruxelles-National Airport from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as $222. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Brussels Bruxelles-National Airport on Sunday is $2,301.

Flying to Brussels Bruxelles-National Airport from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $286 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $381. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $261 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 for as low as $214 on momondo.

There is only 1 cabin class available to choose from on London to Brussels Bruxelles-National Airport 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 19% 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 102 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 14% of their flights experiencing any sort of delay.

10 flights are operational daily from London to Brussels Bruxelles-National Airport as of October 2026. The most popular departure time for this route is 11:00, with 60% of flights per day taking off at midday.

The number of flights available between London and Brussels Bruxelles-National Airport is 70 per week as of October 2026. The most frequent departure day is Tue, with 36% of weekly flights leaving on this day.