Question 1

What is the cheapest day to depart on your flight to Brussels?

Accepted Answer

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 £423. On the other hand, Tuesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £460.

Question 2

What cabin class options are available on London Heathrow to Brussels flights?

Accepted Answer

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

Question 3

How often are flights from London to Brussels delayed?

Accepted Answer

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 95 minutes.

Question 4

What is the cheapest London Heathrow to Brussels flight route?

Accepted Answer

Fly from London Heathrow to Brussels Bruxelles-National for the best London Heathrow - Brussels flight prices

Question 5

Which airlines fly to Brussels?

Accepted Answer

Brussels Airlines, British Airways and KLM are the top three most popular airlines that fly to Brussels from London Heathrow Airport 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.

Question 6

What is the cheapest month to fly to Brussels?

Accepted Answer

In general, January is the cheapest month to fly from London Heathrow Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £107. If you are unable to visit Brussels during the month of January, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £110.

Question 7

What is the cheapest time of day to depart on your flight to Brussels?

Accepted Answer

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 Heathrow Airport to Brussels in the evening for as low as £120. 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 £460 per ticket.

Question 8

How many flights depart from London Heathrow Airport to Brussels on average per day?

Accepted Answer

The number of flights available between London Heathrow Airport and Brussels is 16 per day as of December 2025. The most frequent departure time is 11:00, with 70% of daily flights leaving at midday.

Question 9

What is the cheapest airline that flies from London Heathrow to Brussels?

Accepted Answer

British Airways is the most popular carrier operating from London Heathrow to Brussels

Question 10

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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.

Question 11

What is the most punctual flight time for London to Brussels flights?

Accepted Answer

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.

Question 12

How many flights depart from London Heathrow Airport to Brussels on average per week?

Accepted Answer

The number of flights available between London Heathrow Airport and Brussels is 114 per week as of December 2025. The most frequent departure day is Wed, with 32% of weekly flights leaving on this day.

Question 13

How far in advance should I book a flight to Brussels?

Accepted Answer

You are more likely to see cheaper flights to Brussels from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £121 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 Heathrow Airport for as low as £96 on momondo.

Question 14

Which airline has the best punctuality record on London to Brussels flights?

Accepted Answer

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

Question 15

When did momondo last update prices for flights from London Heathrow Airport to Brussels?

Accepted Answer

Prices for flights from London Heathrow Airport to Brussels are updated daily.

Question 16

How many operators does momondo search for flights from London Heathrow Airport to Brussels?

Accepted Answer

There are 2 operators available for flights from London Heathrow Airport to Brussels as of December 2025.

Question 17

How old do you have to be to fly from London Heathrow Airport to Brussels?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Brussels.

Question 18

What documentation or ID do you need to fly to Brussels?

Accepted Answer

The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Fastest flight time	1h 10m
Direct flights	Every day
Airports in Brussels	2 airports

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £86	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
Brussels Airlines	PriceFrom £96	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights
KLM	PriceFrom £142	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights

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How to get the cheapest flight ticket from London Heathrow Airport to Brussels

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest time of day to depart on your flight to Brussels?

What is the cheapest London Heathrow to Brussels flight route?

Fly from London Heathrow to Brussels Bruxelles-National for the best London Heathrow - Brussels flight prices

How far in advance should I book a flight to Brussels?

What cabin class options are available on London Heathrow to Brussels flights?

There are 3 cabin classes available to choose from on London Heathrow to Brussels 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 Heathrow to Brussels?

British Airways is the most popular carrier operating from London Heathrow to Brussels

Which airlines fly to Brussels?

How often are flights from London to Brussels delayed?

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 95 minutes.

What is the most punctual flight time for London to Brussels flights?

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.

What day of the week experiences the fewest flight delays on this route?

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.

Which airline has the best punctuality record on London to Brussels flights?

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Brussels on average per day?

The number of flights available between London Heathrow Airport and Brussels is 16 per day as of December 2025. The most frequent departure time is 11:00, with 70% of daily flights leaving at midday.

How many flights depart from London Heathrow Airport to Brussels on average per week?

The number of flights available between London Heathrow Airport and Brussels is 114 per week as of December 2025. The most frequent departure day is Wed, with 32% of weekly flights leaving on this day.

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When did momondo last update prices for flights from London Heathrow Airport to Brussels?

How many operators does momondo search for flights from London Heathrow Airport to Brussels?

How old do you have to be to fly from London Heathrow Airport to Brussels?

What documentation or ID do you need to fly to Brussels?

Best airlines flying from London Heathrow Airport to Brussels

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Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels