Cheap flights from Belgium to the United Kingdom from £15

The cheapest month to fly to United Kingdom from Belgium is in February. Flight prices, which tend to average around £104, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Belgium during the month January is also very affordable. Most momondo users find prices during this month for around £108.

The cheapest day to depart from Belgium to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £130. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Belgium to United Kingdom for around £384.

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £131. Try not to purchase tickets in the morning because they tend to be around £167. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Charleroi Brussels to Manchester for the best Belgium - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £135 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Belgium for as low as £98 on momondo.

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

Ryanair, Wizz Air, and Brussels Airlines are the most popular carriers operating from Belgium to United Kingdom

Ryanair, Brussels Airlines and British Airways are the top three most popular airlines that fly to United Kingdom from Belgium according to our data. Ryanair is the first choice among our users, with 42% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 4 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Belgium and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning 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. Monday 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 17% of their flights experiencing any sort of delay.

12 flights are operational daily from Belgium to United Kingdom as of August 2026. The most popular departure time for this route is 09:00, with 62% of flights per day taking off at midday.

84 flights are operational weekly from Belgium to United Kingdom as of August 2026. The most popular departure day for this route is Mon, with 31% of flights per week taking off on this day.