Cheap flights from London to Brussels from £49

In general, August is the cheapest month to fly from London to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £118. If you are unable to visit Brussels during the month of August, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around £128.

Our data shows that Friday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £431. On the other hand, Tuesday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £486.

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from London to Brussels in the evening for as low as £117. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Brussels, so prices are often more expensive at around £487 per ticket.

Fly from London Luton 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 £127 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 £103 on momondo.

Ryanair, Brussels Airlines, and easyJet are the most popular carriers operating from London to Brussels

Brussels Airlines, British Airways and KLM are the top three most popular airlines that fly to Brussels from London according to our data. Brussels Airlines is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Brussels. Keep in mind that there are 3 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

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 97 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 15% of their flights experiencing any sort of delay.

As of May 2026, 14 flights take off from London and land in Brussels each day. The most common flight departure time for this route is 11:00, with 61% of daily flights taking off at midday.

The number of flights available between London and Brussels is 98 per week as of May 2026. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.