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Cheap flights from the United Kingdom to Belgium from £21

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from United Kingdom to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Belgium
Explore the most affordable flight options available from United Kingdom to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Fri 12/1220:00MAN - CRL
Nonstop1h 25mRyanair
Sun 14/1207:50CRL - MAN
Nonstop1h 25mRyanair
Deal found 18/10£38
Mon 1/1219:50MAN - CRL
Nonstop1h 25mRyanair
Wed 31/1221:40CRL - MAN
Nonstop1h 25mRyanair
Deal found 20/10£40
Sat 15/1108:15MAN - CRL
Nonstop1h 25mRyanair
Sat 15/1121:10CRL - MAN
Nonstop1h 25mRyanair
Deal found 18/10£41
Thu 13/1109:15MAN - CRL
Nonstop1h 25mRyanair
Thu 13/1121:20CRL - MAN
Nonstop1h 25mRyanair
Deal found 19/10£42
Thu 4/1218:30MAN - CRL
Nonstop1h 25mRyanair
Mon 8/1210:10CRL - MAN
Nonstop1h 25mRyanair
Deal found 19/10£42
Fri 31/1020:00MAN - CRL
Nonstop1h 25mRyanair
Sun 2/1107:50CRL - MAN
Nonstop1h 25mRyanair
Deal found 18/10£43
Thu 11/1218:30MAN - CRL
Nonstop1h 25mRyanair
Sat 13/1207:25CRL - MAN
Nonstop1h 25mRyanair
Deal found 18/10£45
Fri 14/1105:45MAN - CRL
Nonstop1h 25mRyanair
Fri 14/1119:00CRL - MAN
Nonstop1h 25mRyanair
Deal found 19/10£46
Sat 1/1112:45MAN - CRL
Nonstop1h 25mRyanair
Mon 3/1108:35CRL - MAN
Nonstop1h 25mRyanair
Deal found 20/10£47
Wed 22/1007:25MAN - CRL
Nonstop1h 25mRyanair
Wed 22/1014:25CRL - MAN
Nonstop1h 25mRyanair
Deal found 20/10£48
Thu 20/1118:30MAN - CRL
Nonstop1h 25mRyanair
Sun 23/1107:50CRL - MAN
Nonstop1h 25mRyanair
Deal found 18/10£48
Sat 15/1122:10STN - CRL
1 stop8h 25mMultiple Airlines
Sun 16/1119:55CRL - STN
1 stop12h 15mMultiple Airlines
Deal found 20/10£93

Cheap flight deals from United Kingdom to Belgium

Keep the following information in mind while searching for United Kingdom to Belgium flight deals. Data was last updated 21 October 2025.

Round-trip from

£38

One-way from

£21

Popular in

July

Cheapest in

January

Average price

£124

Good round-trip deal

£30 or less

Good one-way deal

£22 or less
Ryanair
  • Ryanair
  • 10/11-12/11
  • Nonstop
  • 2h 50m total
  • United Kingdom to Belgium
Search Deals
Ryanair
  • Ryanair
  • 5/11
  • Nonstop
  • 1h 25m total
  • United Kingdom to Belgium
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Belgium.
Search Deals
Price to beat on a one-way flight from United Kingdom to Belgium.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 21 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Belgium that are best for you.

Fly from

United Kingdom

Fly to

Belgium

Route

Depart

Return

Price

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Fri 12/12

20:00-22:25

Nonstop1h 25m

Charleroi Brussels

Sun 14/12

07:50-08:15

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Thu 1/1

18:30-20:55

Nonstop1h 25m

Charleroi Brussels

Sat 3/1

07:25-07:50

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Thu 1/1

18:30-20:55

Nonstop1h 25m

Charleroi Brussels

Sun 4/1

07:50-08:15

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Fri 2/1

20:00-22:25

Nonstop1h 25m

Charleroi Brussels

Sun 4/1

07:50-08:15

Nonstop1h 25m

£39

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Sun 14/12

08:40-11:05

Nonstop1h 25m

Charleroi Brussels

Tue 16/12

08:40-09:05

Nonstop1h 25m

£40

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Mon 1/12

19:50-22:15

Nonstop1h 25m

Charleroi Brussels

Wed 31/12

21:40-22:05

Nonstop1h 25m

£40

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Sun 23/11

13:25-15:50

Nonstop1h 25m

Charleroi Brussels

Thu 27/11

07:35-08:00

Nonstop1h 25m

£40

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Thu 4/12

18:30-20:55

Nonstop1h 25m

Charleroi Brussels

Sun 7/12

07:50-08:15

Nonstop1h 25m

£42

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Thu 4/12

18:30-20:55

Nonstop1h 25m

Charleroi Brussels

Mon 8/12

10:10-10:35

Nonstop1h 25m

£42

LondonBrussels

STN - CRL

STNCRL

London Stansted

Sat 29/11

06:00-17:10

1 stop10h 10m

Charleroi Brussels

Sun 30/11

09:10-23:40

1 stop15h 30m

£95

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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

Have a flexible travel schedule? Discover the best time to fly to Belgium from United Kingdom 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 the United Kingdom to Belgium

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

Currently, December is the cheapest month in which you can book a flight from United Kingdom to Belgium (average of £17). Flying from United Kingdom to Belgium in September is currently the most expensive (average of £37). 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 GB to BE?

Find hourly flight availability from United Kingdom 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 21 October 2025.

One of the essential ways to save on airfare from United Kingdom to Belgium is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.

What is the cheapest day to fly from United Kingdom to Belgium?

Use this chart to determine the cheapest time to fly return from United Kingdom to Belgium. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Belgium flight should consider departing on Monday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 October 2025.
See what other customers who have flown with KLM, Brussels Airlines, andRyanair from the United Kingdom 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
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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
366 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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.
Ryanair
6.8
Okay
5,177 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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.
Lufthansa
6.8
Okay
7,506 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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
7,461 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

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 United Kingdom 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 United Kingdom to Belgium?

    A quick flight from United Kingdom to Belgium can take about 1h 25m. Ryanair provides one of the quickest options available for as low as £38. The distance from United Kingdom to Belgium is about 349 mi. Generally, flights for this route are direct.

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

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £21. However, be on the lookout for offers from Brussels Airlines and Wizz Air, as they are both options that can get you from United Kingdom to Belgium for a low price.

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

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

  • How can I find direct flights from United Kingdom to Belgium?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Belgium?

    Currently, December is the cheapest month in which you can book a flight from United Kingdom to Belgium (average of £17). Flying from United Kingdom to Belgium in September is currently the most expensive (average of £37). 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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Alternative routes for United Kingdom to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from United Kingdom to Belgium

Discover the top 7 airlines that operate flights from United Kingdom 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£85FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£30Average£86FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£86Average£157FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£97Average£138FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£116Average£203FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£132Average£202FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£148Average£245FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 United Kingdom to Belgium?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Belgium. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belgium from United Kingdom.

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

Need flexible booking options for your flight to Belgium from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from United Kingdom 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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