Cheap flights from London to Brussels

In general, January is the cheapest month to fly from London to Brussels Bruxelles-National Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €138. If you aren’t able to travel to Brussels Bruxelles-National Airport during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of €142.

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 €163 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 €134 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.

No. A direct flight is the cheapest option for a flight between London to Brussels Bruxelles-National Airport.

As of October 2026, prices for London to Brussels Bruxelles-National Airport flights are approximately 26% more expensive when compared to flights at the same time last year.

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.