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Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Brussels
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Brussels Airlines flights from London Heathrow Airport to Brussels
Our best Brussels Airlines deals on London Heathrow Airport to Brussels flight tickets
SWISS flights from London Heathrow Airport to Brussels
Our best SWISS deals on London Heathrow Airport to Brussels flight tickets
See travel insights to Brussels from
How to get the cheapest flight ticket from London Heathrow Airport to Brussels
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 typical price of a round-trip flight between London Heathrow Airport and Brussels?
What is the cheapest month to fly to Brussels?
The month of January is, on average, the cheapest month to fly to Brussels from London Heathrow Airport, with most prices found around €122. 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 €126.
What is the cheapest day to depart on your flight to Brussels?
On average, the least expensive day to fly to Brussels from London Heathrow Airport is on a Friday. momondo users have found tickets for Friday departures for as low as €138. However, this price may fluctuate depending on the airline, the season, and holidays. 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 Brussels on Tuesday is €948.
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?
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 €142 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 €106 on momondo.
How many flights depart from London Heathrow Airport to Brussels on average per day?
As of June 2025, 15 flights take off from London Heathrow Airport and land in Brussels each day. The most common flight departure time for this route is 07:00, with 72% of daily flights taking off at midday.
How many flights depart from London Heathrow Airport to Brussels on average per week?
As of June 2025, 107 flights take off from London Heathrow Airport and land in Brussels each week. The most common flight departure day for this route is Mon, with 29% of weekly flights taking off on this day.
Cheap London Heathrow Airport to Brussels flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Brussels
How far is London Heathrow to Brussels by plane?
The straight-line distance from London Heathrow to Brussels is 341.8 km. Flights usually cover this in 1h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Brussels?
Prices for flights from London Heathrow Airport to Brussels are updated daily.
How old do you have to be to fly from London Heathrow Airport to Brussels?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from London to Brussels?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Brussels . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Brussels with flexible booking policies on momondo?
momondo does allow users to show only those flights to Brussels from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Brussels?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from London.
I’m not ready to book a flight from London to Brussels right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.