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Cheap flights from London to Belgium from £51

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BRU
22 Jun — 29 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 23 May 2026.

Tue 15/917:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 17/921:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 22/5£98
Fri 12/622:10
STN
-
CRL
1 stop11h 30m
Ryanair
Sun 14/607:10
CRL
-
STN
1 stop8h 10m
Ryanair
Deal found 21/5£98
Thu 11/615:35
LTN
-
CRL
1 stop27h 20m
Ryanair
Tue 11/806:40
CRL
-
LTN
1 stop7h 15m
Ryanair
Deal found 21/5£98
Sat 11/718:15
LTN
-
BRU
1 stop14h 20m
Multiple Airlines
Tue 14/722:10
BRU
-
LTN
1 stop13h 50m
Multiple Airlines
Deal found 23/5£99
Fri 19/606:30
STN
-
CRL
2 stops9h 00m
Ryanair
Mon 22/621:10
CRL
-
STN
1 stop11h 15m
Ryanair
Deal found 20/5£99
Thu 11/613:10
LTN
-
CRL
1 stop6h 15m
Multiple Airlines
Mon 15/621:55
CRL
-
LTN
2 stops18h 50m
Multiple Airlines
Deal found 23/5£99
Sat 8/807:45
LHR
-
BRU
Nonstop1h 10m
British Airways
Sun 9/820:40
BRU
-
LHR
Nonstop1h 05m
British Airways
Deal found 22/5£100
Sat 13/605:55
STN
-
CRL
1 stop13h 30m
Ryanair
Sun 14/608:35
CRL
-
STN
2 stops23h 55m
Ryanair
Deal found 19/5£100
Tue 1/908:25
LTN
-
CRL
1 stop10h 30m
Multiple Airlines
Fri 4/909:50
CRL
-
LTN
1 stop14h 35m
Multiple Airlines
Deal found 20/5£100
Thu 18/622:05
STN
-
BRU
1 stop9h 30m
Multiple Airlines
Sat 20/621:30
BRU
-
STN
1 stop11h 05m
Multiple Airlines
Deal found 19/5£100
Sat 13/606:50
LHR
-
BRU
Nonstop1h 05m
Brussels Airlines
Mon 15/616:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 18/5£100
Wed 27/506:30
STN
-
CRL
1 stop10h 30m
Ryanair
Thu 28/513:10
CRL
-
STN
1 stop5h 00m
Ryanair
Deal found 22/5£100

Find flight deals from London to Belgium

Keep the following information in mind while searching for London to Belgium flight deals. Data was last updated 23 May 2026.

Round-trip from

£98

One-way from

£51

Popular in

May

Cheapest in

November

Average price

£150

Good round-trip deal

£210 or less

Good one-way deal

£116 or less
Brussels Airlines
  • Brussels Airlines
  • 15/9-17/9
  • Nonstop
  • 2h 25m total
  • London to Belgium
Search Deals
Ryanair
  • Ryanair
  • 20/6
  • 1 total stop
  • 10h 15m total
  • London to Belgium
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Belgium.
Search Deals
Price to beat on a one-way flight from London (LON) to Belgium.
Search Deals

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 23 May 2026.
Use the filters below to find and compare flights from London to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Thu 11/6

15:35-19:55

1 stop27h 20m

Charleroi Brussels

Tue 11/8

06:40-12:55

1 stop7h 15m

£98

LondonBrussels

STN - CRL

STNCRL

London Stansted

Fri 12/6

17:10-22:55

2 stops28h 45m

Charleroi Brussels

Mon 15/6

07:55-21:35

1 stop14h 40m

£99

LondonBrussels

STN - CRL

STNCRL

London Stansted

Mon 15/6

15:15-08:55

2 stops16h 40m

Charleroi Brussels

Mon 22/6

21:10-07:25

1 stop11h 15m

£100

LondonBrussels

STN - BRU

STNBRU

London Stansted

Thu 18/6

22:05-08:35

1 stop9h 30m

Brussels Bruxelles-National

Sat 20/6

21:30-07:35

1 stop11h 05m

£100

LondonBrussels

STN - CRL

STNCRL

London Stansted

Thu 25/6

22:05-11:25

1 stop12h 20m

Charleroi Brussels

Sun 28/6

21:40-07:40

1 stop11h 00m

£101

LondonBrussels

STN - CRL

STNCRL

London Stansted

Fri 5/6

17:30-08:55

2 stops14h 25m

Charleroi Brussels

Sun 7/6

21:40-07:40

1 stop11h 00m

£101

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 29/7

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Thu 6/8

21:20-21:35

Nonstop1h 15m

£102

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Fri 12/6

19:40-08:00

1 stop11h 20m

Charleroi Brussels

Mon 15/6

21:30-11:00

1 stop14h 30m

£102

LondonBrussels

STN - CRL

STNCRL

London Stansted

Sat 20/6

13:50-20:25

1 stop5h 35m

Charleroi Brussels

Sat 4/7

15:05-22:15

1 stop8h 10m

£103

LondonBrussels

LTN - CRL

LTNCRL

London Luton

Sun 7/6

08:00-19:50

1 stop10h 50m

Charleroi Brussels

Tue 9/6

17:15-00:30

1 stop8h 15m

£103

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from London to Belgium (average of £117). Flying from London to Belgium in February is currently the most expensive (average of £187). 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 23 May 2026.

It’s typically best to fly out from London to Belgium in the evening. Doing so could potentially save you 68% 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 23 May 2026.

The most flights from LON to BE0 are scheduled on a Friday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from London to Belgium delayed?

About 21% of weekly flights between London and Belgium have experienced delays in the past year, with the average delay time being 97 minutes.

What is the most punctual flight time for London to Belgium 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.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

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

How far ahead should I book a flight from London to Belgium?

The price you pay for your flight from London to Belgium may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 23 May 2026.
See what other customers who have flown with KLM,Brussels Airlines, andRyanair 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
7.8
Good
1,519 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,519 reviews
KLM
7.8
Good
1,519 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Brussels Airlines
7.2
Good
409 reviews
KLM
7.8
Good
1,519 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Ryanair
6.9
Okay
5,379 reviews
KLM
7.8
Good
1,519 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,995 reviews
KLM
7.8
Good
1,519 reviews
Check prices

Overall

7.8

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 26h 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 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 American Airlines (91%), LATAM Airlines (91%) and Qatar Airways (89%).

  • What are the cheapest flights from London to Belgium?

    On average you can expect to pay £682 for a flight from London to Belgium. The cheapest flight overall is £67 while the most popular route, (London Gatwick - Brussels Bruxelles-National) is currently priced at £92.

  • 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, August is the cheapest month in which you can book a flight from London to Belgium (average of £117). Flying from London to Belgium in February is currently the most expensive (average of £187). 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 3 airlines flying from London to Belgium

Discover the top 3 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£87Average£112FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£95Average£137FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£133Average£176FlexibilityNo 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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