Cheap Flights to Belgium

Return flights from London to Belgium typically cost between £116 and £131 in August, though fares move with demand, season and how early you book. The lowest fare our search found recently was £114 — a great price and well below the usual range, so a price near this is worth grabbing. Keeping your dates flexible and comparing nearby days is the easiest way to land at the cheaper end.

The cheapest day to depart to Belgium is usually Tuesday, when fares start from around £114 — midweek departures tend to be quieter and cheaper. Wednesday is typically the most expensive day to fly out (around £164), as weekend travel is popular with leisure and business travellers alike. Where your plans allow, moving your outbound to a cheaper weekday can noticeably lower the total fare.

Flights to Belgium are generally cheapest departing in the morning, with fares from around £114. Departures in the evening tend to cost more (about £117), as those slots are more convenient and in higher demand. Picking an off-peak departure time is a simple way to trim the price without changing your dates.

The cheapest return flights to Belgium depart from London Heathrow (LHR), from around £129. London has several airports serving this route and fares can vary between them — Gatwick (LGW) is often the priciest at around £448. It's worth checking which London airport is both cheapest and most convenient for you before booking.

For Belgium, prices are generally cheapest when you fly direct, with fares from around £114 versus about £186 for a 1-stop itinerary. A direct flight also saves you time and the hassle of a connection, so it's usually the better all-round choice on this route. Stopovers only tend to pay off here if a particular date or airline happens to be cheaper.