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Cheap flights from London to Belgium from £49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BRU
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Belgium

Keep the following information in mind while searching for London to Belgium flight deals. Data was last updated 18 November 2025.

Round-trip from

£99

One-way from

£49

Popular in

July

Cheapest in

January

Average price

£117

Good round-trip deal

£180 or less

Good one-way deal

£80 or less
Ryanair
  • Ryanair
  • 29/11-2/12
  • 2 total stops
  • 20h 15m total
  • London to Belgium
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Ryanair
  • Ryanair
  • 24/11
  • 1 total stop
  • 10h 00m total
  • London to Belgium
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from London (LON) to Belgium.
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Price to beat on a one-way flight from London (LON) to Belgium.
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Find flight deals from London to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from London to Belgium
Explore the most affordable flight options available from London to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 November 2025.

Sat 29/1121:00STN - BRU
1 stop10h 45mRyanair
Tue 2/1209:50BRU - STN
1 stop9h 30mRyanair
Deal found 17/11£99
Mon 15/1206:00LTN - BRU
1 stop26h 10mRyanair
Wed 17/1209:10BRU - LTN
1 stop24h 25mRyanair
Deal found 16/11£99
Wed 3/1206:05LGW - CRL
1 stop12h 10mMultiple Airlines
Wed 10/1213:00CRL - LGW
1 stop10h 40mMultiple Airlines
Deal found 17/11£99
Sat 29/1109:00STN - CRL
2 stops11h 35mRyanair
Tue 2/1208:20CRL - STN
1 stop9h 25mRyanair
Deal found 17/11£99
Thu 11/1206:50LTN - CRL
1 stop12h 35mMultiple Airlines
Sun 14/1209:50CRL - LTN
1 stop6h 00mMultiple Airlines
Deal found 16/11£99
Sat 6/1222:30LGW - BRU
1 stop9h 35mRyanair
Tue 9/1209:50BRU - LGW
1 stop10h 35mRyanair
Deal found 16/11£99
Tue 2/1217:50LHR - BRU
Nonstop1h 10mBrussels Airlines
Mon 8/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 15/11£100
Sat 6/1206:05LGW - CRL
1 stop15h 50mMultiple Airlines
Mon 8/1213:10CRL - LGW
1 stop8h 45mMultiple Airlines
Deal found 15/11£100
Tue 25/1115:50STN - CRL
1 stop21h 10mMultiple Airlines
Wed 3/1219:30CRL - STN
1 stop14h 40mMultiple Airlines
Deal found 16/11£100
Sat 13/1214:45LTN - CRL
1 stop6h 50mRyanair
Sun 14/1209:50CRL - LTN
1 stop6h 00mRyanair
Deal found 16/11£100
Sat 29/1111:05LHR - BRU
Nonstop1h 10mBrussels Airlines
Tue 2/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 17/11£100
Sat 13/1218:00STN - CRL
1 stop17h 10mMultiple Airlines
Sun 14/1218:30CRL - STN
1 stop14h 10mMultiple Airlines
Deal found 16/11£100

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Belgium that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 November 2025.
Use the filters below to find and compare flights from London to Belgium that are best for you.

Fly from

London

Fly to

Belgium

Route

Depart

Return

Price

LondonBrussels

STN - BRU

STNBRU

London Stansted

Sat 29/11

21:00-08:45

1 stop10h 45m

Brussels Bruxelles-National

Tue 2/12

09:50-18:20

1 stop9h 30m

£99

LondonBrussels

STN - CRL

STNCRL

London Stansted

Mon 15/12

19:00-10:10

1 stop14h 10m

Charleroi Brussels

Wed 17/12

09:10-17:45

1 stop9h 35m

£100

LondonBrussels

STN - CRL

STNCRL

London Stansted

Tue 2/12

07:30-11:50

2 stops27h 20m

Charleroi Brussels

Thu 4/12

06:25-12:35

1 stop7h 10m

£100

LondonBrussels

LGW - BRU

LGWBRU

London Gatwick

Tue 17/2

16:00-08:55

1 stop15h 55m

Brussels Bruxelles-National

Tue 3/3

20:35-12:35

1 stop17h 00m

£100

LondonBrussels

STN - CRL

STNCRL

London Stansted

Mon 15/12

05:55-20:30

1 stop13h 35m

Charleroi Brussels

Thu 18/12

08:10-11:10

1 stop28h 00m

£100

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Mon 15/12

06:00-12:45

1 stop5h 45m

Charleroi Brussels

Thu 18/12

16:20-23:05

1 stop7h 45m

£100

LondonBrussels

STN - CRL

STNCRL

London Stansted

Sat 13/12

18:00-12:10

1 stop17h 10m

Charleroi Brussels

Sun 14/12

18:30-07:40

1 stop14h 10m

£100

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Fri 12/12

12:15-22:30

1 stop9h 15m

Charleroi Brussels

Sun 14/12

09:50-14:50

1 stop6h 00m

£100

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 9/12

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Fri 12/12

21:10-21:20

Nonstop1h 10m

£101

LondonBrussels

STN - BRU

STNBRU

London Stansted

Mon 15/12

21:45-09:10

1 stop10h 25m

Brussels Bruxelles-National

Wed 17/12

09:10-14:20

1 stop6h 10m

£101

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 60 results
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Best time to book a flight from London to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Belgium

What is the cheapest month to book a flight from London to Belgium?

Currently, March is the cheapest month in which you can book a flight from London to Belgium (average of £84). Flying from London to Belgium in August is currently the most expensive (average of £96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to BE?

Find hourly flight availability from London to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 November 2025.

It’s typically best to fly out from London to Belgium in the evening. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from London to Belgium

Explore weekly flight availability from London to Belgium. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 November 2025.

The most flights from LON to BE0 are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 22% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 15% of flights being delayed.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated 18 November 2025.
See what other customers who have flown with KLM, Brussels Airlines, andBritish Airways from London to Belgium have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Brussels Airlines
7.2
Good
369 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,529 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from London to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Belgium?

    Airlines like Ryanair, Brussels Airlines, and British Airways fly from London to Belgium in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 9h 35m. London and Belgium are separated by a distance of 217 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Belgium one-way?

    The cheapet airlines for a one-way flight from London to Belgium are Ryanair (£49), Brussels Airlines (£49), and British Airways (£52).

  • What are the most popular routes from London to Belgium?

    The most popular route from London to Belgium is London Gatwick - Brussels Bruxelles-National. You may also consider London Stansted - Brussels Bruxelles-National or London Luton - Brussels Bruxelles-National.

  • What are the most reliable airlines from London to Belgium?

    The top 3 most reliable airlines when flying from London to Belgium are LATAM Airlines (100%), Qatar Airways (82%) and American Airlines (80%).

  • What are the cheapest flights from London to Belgium?

    On average you can expect to pay £846 for a flight from London to Belgium. The cheapest flight overall is £51 while the most popular route, (London Gatwick - Brussels Bruxelles-National) is currently priced at £97.

  • Can I find deals for flights from London to Belgium that include hotel bookings?

    Yes. In addition to deals on London to Belgium flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Belgium.

  • Can I find deals for business class flights from London to Belgium?

    Yes. Cheapflights offers flight deals from London to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Belgium?

    Currently, March is the cheapest month in which you can book a flight from London to Belgium (average of £84). Flying from London to Belgium in August is currently the most expensive (average of £96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from London to Belgium

Discover the top 4 airlines that operate flights from London to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£87Average£110FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£99Average£121FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
RyanairCheapest£109Average£158FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
KLMCheapest£145Average£216FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Belgium?

When you search for this flight from London to Belgium, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Belgium?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Belgium for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Belgium with no change fees?

Certainly. Search results for flights to Belgium from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Belgium become cheaper?

Of course! You can now track prices for flights from London to Belgium and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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