Cheap flights from the United Kingdom to Brussels from £20

In general, September is the cheapest month to fly from United Kingdom to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £94. If you are unable to visit Brussels during the month of September, then departing from United Kingdom during the month October is also very affordable. Most momondo users find prices during this month for around £96.

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 £438. On the other hand, Thursday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £498.

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from United Kingdom to Brussels in the evening for as low as £127. 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 £499 per ticket.

Fly from Newcastle upon Tyne to Charleroi Brussels for the best United Kingdom - Brussels flight prices

You are more likely to see cheaper flights to Brussels from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £129 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 United Kingdom for as low as £105 on momondo.

There are 3 cabin classes available to choose from on United Kingdom to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, easyJet, and Vueling are the most popular carriers operating from United Kingdom to Brussels

Ryanair, Brussels Airlines and British Airways are the top three most popular airlines that fly to Brussels from United Kingdom according to our data. Ryanair is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Brussels. Keep in mind that there are 5 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between United Kingdom 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. 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.

19 flights are operational daily from United Kingdom to Brussels as of July 2026. The most popular departure time for this route is 06:00, with 68% of flights per day taking off at midday.

As of July 2026, 137 flights take off from United Kingdom and land in Brussels each week. The most common flight departure day for this route is Thu, with 24% of weekly flights taking off on this day.