Cheap flights from London to Belgium from £42
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Belgium departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from London to Belgium
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Belgium?
The month of January is, on average, the cheapest month to fly to Belgium from London, with most prices found around £100. If you aren’t able to travel during the month of January, then book flights to Belgium from London during February instead. Flights to Belgium in February, while not as cheap as those in January, still average around £108.
What is the cheapest day to depart on your flight to Belgium?
The cheapest day to depart from London to Belgium is on a Friday when prices can be found for as low as £400. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Tuesday is £482.
What is the cheapest time of day to depart on your flight to Belgium?
Our most recent data shows that the best time of day to fly to Belgium is at midday. Flights from London to Belgium during this time can be as low as £112. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £464 on average. Flights to Belgium from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London to Belgium flight route?
Fly from London Heathrow to Brussels Bruxelles-National for the best London - Belgium flight prices
How far in advance should I book a flight to Belgium?
You are more likely to see cheaper flights to Belgium from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around £122 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from London for as low as £91 on momondo.
What cabin class options are available on London to Belgium flights?
There are 3 cabin classes available to choose from on London to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London to Belgium?
British Airways, Brussels Airlines, and Wizz Air are the most popular carriers operating from London to Belgium
Which airlines fly to Belgium?
Brussels Airlines, British Airways and KLM are the top three most popular airlines that fly to Belgium from London according to our data. Brussels Airlines is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Belgium. Keep in mind that there are 4 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Belgium on average per day?
As of July 2025, there are 16 flights per day flying from London to Belgium. The most common time of day flights depart is 07:00, with 77% of flights taking off at midday.
How many flights depart from London to Belgium on average per week?
114 flights are operational weekly from London to Belgium as of July 2025. The most popular departure day for this route is Thu, with 25% of flights per week taking off on this day.
Cheap London to Belgium flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Belgium
When did momondo last update prices for flights from London to Belgium?
Prices for flights from London to Belgium are refreshed on a daily basis.
How many operators does momondo search for flights from London to Belgium?
There are 4 operators available for flights from London to Belgium as of July 2025.
How old do you have to be to fly from London to Belgium?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Belgium.
What documentation or ID do you need to fly to Belgium?
The required travel and health documents for your Belgium trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to Belgium?
momondo data reveals that the most frequently booked plane model on the route from London to Belgium is Airbus A319, representing 20.78% of all bookings. The subsequent popular models are Airbus A320neo at 18.13%, Airbus A320-100/200 at 12.90%, and Airbus A350-1000 at 12.72%.
Best airlines flying from London to Belgium
Compare and see reviews for airlines that fly from London to Belgium with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £83 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £97 | Free Cancellation | Rating 7.3 352 reviews | |||
| PriceFrom £103 | Free Cancellation | Rating 6.8 5,145 reviews | |||
| PriceFrom £144 | Free Cancellation | Rating 7.8 1,367 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Belgium?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Belgium. momondo saves you time and could save you money on your trip.
Can I find flights from London to Belgium with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Belgium flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Belgium?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Belgium.
I’m not ready to book a flight from London to Belgium right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Belgium, momondo offers a useful price alert feature which will track prices for flights to Belgium from London and alert you when they change.