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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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BRU
14 Dec — 21 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 14 November 2025.

Round-trip from

£98

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
Brussels Airlines
  • Brussels Airlines
  • 11/1-18/1
  • Nonstop
  • 2h 20m total
  • London to Belgium
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Brussels Airlines
  • Brussels Airlines
  • 1/3
  • Nonstop
  • 1h 05m total
  • London to Belgium
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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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 14 November 2025.

Wed 10/1207:30LGW - CRL
1 stop13h 25mMultiple Airlines
Thu 11/1209:50CRL - LGW
1 stop12h 20mMultiple Airlines
Deal found 13/11£99
Fri 21/1117:50LHR - BRU
Nonstop1h 10mBrussels Airlines
Sat 22/1121:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 11/11£100
Wed 10/1207:30LGW - CRL
1 stop13h 25mMultiple Airlines
Fri 12/1221:00CRL - LGW
1 stop16h 45mMultiple Airlines
Deal found 12/11£100
Wed 3/1206:20STN - CRL
1 stop10h 15mMultiple Airlines
Fri 5/1221:00CRL - STN
1 stop17h 05mMultiple Airlines
Deal found 13/11£100
Thu 27/1108:20LTN - CRL
1 stop10h 00mMultiple Airlines
Thu 4/1209:50CRL - LTN
1 stop13h 20mMultiple Airlines
Deal found 11/11£100
Sat 15/1111:05LHR - BRU
Nonstop1h 10mBrussels Airlines
Sun 16/1121:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 11/11£100
Wed 10/1206:50LTN - BRU
1 stop8h 35mMultiple Airlines
Thu 11/1210:40BRU - LTN
Nonstop1h 20mMultiple Airlines
Deal found 11/11£100
Tue 2/1215:20LTN - CRL
1 stop15h 30mMultiple Airlines
Thu 4/1209:50CRL - LTN
1 stop13h 20mMultiple Airlines
Deal found 12/11£100
Mon 17/1121:45STN - BRU
1 stop10h 25mRyanair
Tue 18/1118:25BRU - STN
1 stop14h 25mRyanair
Deal found 12/11£101
Wed 10/1217:50LHR - BRU
Nonstop1h 10mBrussels Airlines
Sat 13/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 12/11£101
Tue 2/1212:05STN - CRL
1 stop23h 10mRyanair
Fri 5/1219:20CRL - STN
1 stop27h 25mRyanair
Deal found 12/11£101
Wed 3/1214:35LTN - CRL
1 stop17h 10mMultiple Airlines
Fri 5/1214:55CRL - LTN
2 stops13h 00mMultiple Airlines
Deal found 13/11£101

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 14 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

LGW - CRL

LGWCRL

London Gatwick

Wed 10/12

07:30-21:55

1 stop13h 25m

Charleroi Brussels

Fri 12/12

21:00-12:45

1 stop16h 45m

£100

LondonBrussels

STN - CRL

STNCRL

London Stansted

Wed 3/12

06:20-17:35

1 stop10h 15m

Charleroi Brussels

Fri 5/12

21:00-13:05

1 stop17h 05m

£100

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Thu 27/11

08:20-19:20

1 stop10h 00m

Charleroi Brussels

Thu 4/12

09:50-22:10

1 stop13h 20m

£100

LondonBrussels

STN - BRU

STNBRU

London Stansted

Tue 27/1

08:30-17:50

1 stop8h 20m

Brussels Bruxelles-National

Wed 28/1

09:10-21:20

1 stop13h 10m

£101

LondonBrussels

LTN - BRU

LTNBRU

London Luton

Mon 15/12

06:15-12:00

1 stop4h 45m

Brussels Bruxelles-National

Wed 17/12

08:35-12:25

1 stop4h 50m

£101

LondonBrussels

STN - BRU

STNBRU

London Stansted

Mon 17/11

21:45-09:10

1 stop10h 25m

Brussels Bruxelles-National

Tue 18/11

18:25-07:50

1 stop14h 25m

£101

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Wed 3/12

14:35-08:45

1 stop17h 10m

Charleroi Brussels

Fri 5/12

14:55-02:55

2 stops13h 00m

£101

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Thu 8/1

19:25-08:20

1 stop11h 55m

Charleroi Brussels

Sun 11/1

18:30-22:25

1 stop4h 55m

£101

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 24/3

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Wed 25/3

16:55-17:05

Nonstop1h 10m

£102

LondonBrussels

STN - CRL

STNCRL

London Stansted

Sat 29/11

22:10-07:35

1 stop8h 25m

Charleroi Brussels

Sat 6/12

18:45-07:00

1 stop13h 15m

£102

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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6

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 14 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 14 November 2025.

The most flights from LON to BE0 are scheduled on a Thursday (27 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

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 14 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

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Overall

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

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, easyJet, and Brussels Airlines 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 7h 10m. 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 Vueling (£49), easyJet (£52), and Brussels Airlines (£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 City - 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%), JetBlue (83%) and British Airways (75%).

  • 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 £98.

  • 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 14 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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