£41 Find Cheap Flights from Belgium to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 18/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
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Cheap Flights from Belgium to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Belgium to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Belgium to London

Fri, 11 Jul - Sun, 13 Jul
Brussels Airlines Logo
20:40 - 20:55BRU-LHR
1h 15mdirect
Brussels Airlines Logo
06:50 - 08:50LHR-BRU
1h 00mdirect
£78Brussels Airlines
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Tue, 24 Jun - Thu, 26 Jun
 Logo
18:45 - 10:50CRL-LTN
17h 05m1 stop
 Logo
05:30 - 22:55LTN-CRL
16h 25m1 stop
Tue, 18 Nov - Fri, 21 Nov
British Airways Logo
17:30 - 17:50BRU-LHR
1h 20mdirect
British Airways Logo
06:35 - 08:50LHR-BRU
1h 15mdirect
£93British Airways
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Fri, 1 Aug - Sun, 3 Aug
Ryanair Logo
20:45 - 19:50BRU-STN
24h 05m1 stop
Ryanair Logo
09:45 - 08:50STN-BRU
22h 05m1 stop
£93Ryanair
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Sat, 6 Sep - Sun, 7 Sep
British Airways Logo
22:05 - 22:15BRU-LHR
1h 10mdirect
British Airways Logo
07:40 - 09:50LHR-BRU
1h 10mdirect
£93British Airways
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Sat, 27 Sep - Tue, 30 Sep
Ryanair Logo
22:05 - 07:45BRU-STN
10h 40m1 stop
Ryanair Logo
22:35 - 09:00STN-BRU
9h 25m1 stop
£96Ryanair
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Thu, 3 Jul - Sun, 6 Jul
Wizz Air Logo
16:30 - 19:25CRL-LTN
27h 55m1 stop
Wizz Air Logo
20:05 - 14:10LTN-CRL
17h 05m1 stop
£102Wizz Air
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Thu, 3 Jul - Sun, 6 Jul
Wizz Air Logo
16:30 - 07:45CRL-LTN
16h 15m1 stop
Wizz Air Logo
20:05 - 14:10LTN-CRL
17h 05m1 stop
£106Wizz Air
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Tue, 18 Nov - Fri, 21 Nov
Vueling Logo
21:55 - 07:50BRU-LGW
10h 55m1 stop
Vueling Logo
06:50 - 09:00LGW-BRU
25h 10m1 stop
£107Vueling
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Wed, 2 Jul - Sat, 5 Jul
Vueling Logo
22:15 - 10:15BRU-LGW
13h 00m1 stop
Vueling Logo
21:05 - 09:05LGW-BRU
11h 00m1 stop
£150Vueling
Find Deal
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KAYAK's insights & trends for flights to London

Get data-powered insights and trends into flights to London to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to London?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to London was found on the route from Brussels, at £57 return. The most popular connection is from Brussels to London and KAYAK users have found return deals for as low as £78 in the last 3 days.

What is the cheapest month to fly to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to London is January, where tickets cost £107 on average for return flights. On the other hand, the most expensive months are May and June, where the average cost of tickets from Belgium is £134 and £131 respectively. For one-way flights, the best month to travel is January with an average price of £107.

What is a good deal for flights to London?

If you’re looking for cheap airfare to London, 25% of our users found tickets to London for the following prices or less: From Brussels Bruxelles-National Airport £118 return.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Which is the cheapest airport to fly into in London?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in London is London Stansted Airport (STN), with an average flight price of £75.

Good to know - Cheap tickets from Belgium to London

Low seasonMay
High seasonDecember
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 0% lower on average.

FAQs - booking London flights

  • What is the cheapest flight to London?

    In the last 3 days, the cheapest flight deal to London was found on the route from Brussels, at £57 return. The most popular connection is from Brussels to London and KAYAK users have found return deals for as low as £78 in the last 3 days.

  • Which London airport is closest to central London?

    Out of the 6 airports in London, London City is the nearest to the city center (8 miles). You'll travel 14 miles to reach the center of London if you land in London Heathrow Airport, 24 miles if you land in London Gatwick Airport, and 28 miles if you arrive in London Luton Airport.

  • How much is a flight to London?

    On average, a flight to London costs £147. The cheapest price found on KAYAK in the last 2 weeks cost £55 and departed from Brussels Bruxelles-National Airport.

  • What is the cheapest day to fly to London?

    Based on KAYAK data, the cheapest day to fly to London is Saturday where round-trip tickets can be as cheap as £156. On the other hand, the most expensive day to fly is Monday, where round-trip prices are £226 on average.

  • How does KAYAK find such low prices on flights to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to London?

    The cheapest time of day to fly to London is generally at night, when round-trip flights cost £196 on average. The most expensive time of day to fly to London is generally in the morning, which is peak travel time and where the average cost of a ticket is £391.

  • How many direct flights to London are there each week?

    Each week there are around 767 direct flights from within Belgium to London. The most common day for departures is Friday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to London

  • Looking for a cheap flight from Belgium to London? 25% of our users found flights on this route for £87 or less one-way and £118 or less round-trip.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.

Top airlines flying from Belgium to London

 
See real verified KAYAK customer reviews for airlines flying to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Belgium to London. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Brussels AirlinesOverall score based on 355 reviews
6.3Entertainment
7.1Comfort
6.4Food
7.5Boarding
8.0Crew
Airline reviews

All great. Very efficient. Good emails that kept us in the know

10.0 ExcellentGrant, May 2025ALC - BRU
Read more Brussels Airlines reviews

All great. Very efficient. Good emails that kept us in the know

Original flight was canceled, booked another one and find out when checking I was on the waiting list. Horrible experience

Actually this is my first time using airline I was in every single thing that happened throughout our journey, the appearance of the plane inside furnished about the seating the flight attendants and many many more I was so excited throughout thank you Brussels Airlines for the great service.

On board service was decent. I like the legroom at UA that seems to be more than in other airlines

It was really good because the employees were very nice and fun to talk to. The entertainment was nice because they had plenty of movies to watch.

Crew was enthusiastic. Meal was surprisingly good. They came to give water very frequently. Negative that the seat reclining didn't work

That was a short flight by the only time I could actually sleep

How can a national carrier and part of Lufthansa group not even provide complimentary water and a snack in such a long flight ?

The flight went well, only during the flight from Brussels to Vilnius I would have liked if they had at least given us plain water to drink.

The boarding process would have been better. When people are flying internationally and the airline is a member of Star Alliance they cannot have different rules for carryon baggage. Brussels Airlines made us adjust the weight of our carryons based on their rules even though we were flying international and our next flight was with United which does not have weight restrictions for carryons. That was just ridiculous.

The payment system was not working so was unable to connect wifi the entire flight

The boarding call announcements versus the Staff announcements versus the digital signage board on the out-going and returning flights WERE NOT IN SYNC. I was sent through check and re-checks 3 times. WHY?

Absolutely the worst airline. Can’t find anything positive to say. We were in business which is the same as most airlines coach

everything to do with KAYAK was terrible. Your customer facing departments are utterly useless, timewasting and unhelpful.

I ordered short ribs for main course. It tasted sweet, really sweet. Horrible.

When checking our bags we were told our bags would go through our final destination. This did not happen. When boarding, after group 3 it was a free for all, everyone boards. When served lunch, I asked for anything without dairy, I was given popcorn and gummy snacks. She said she would come back with more options, she never did. Also, when traveling through London, they don’t tell you your gate number until 1 hour before flight leaves, causing everyone to run to their gate.

Full flight, but crew was great. No wifi and no seatback entertainment, so had to read...argh!

The screen didn’t work and I didn’t get the seat upgrade I paid $300 for. They were no help with that,

The crew did not really interact with me which was no problem as I was fine. I did see that they were somewhat short with some passengers but that was not common. Just in general, they did not seem friendly - no requirement to be so but I am used to a friendly crew on most flights. The food was just ok but with a flight that large, I would think it hard to make something more elaborate.

Paid $180 for seat selection, and selection essnt honored. Have to call for a refund.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Luton
Southend-on-Sea
Winchester
Slough
Croydon
Stansted
Chichester
Folkestone
Maidstone
Colchester
Crawley
Chelmsford
Bedford
Hastings
Watford
Basingstoke
Royal Tunbridge Wells

Everything you need to know for your flight to London

Cabin class types available on flights to London

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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