Our cheapest offers for flights from London Heathrow to Brussels

Here you can compare cheap flights from London Heathrow (LHR) to Brussels (BRU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Brussels. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option London Heathrow Brussels	Outbound 09/10/25 direct BA0392 01h 10min	Return 14/10/25 direct BA0399 01h 10min	British Airways	?	£99
London Heathrow Brussels	Outbound 17/06/25 direct SN2106 01h 00min	Return 01/07/25 direct SN2103 01h 15min	Brussels Airlines		£180
London Heathrow Brussels	Outbound 20/10/25 direct BA0396 01h 15min	Return 11/11/25 direct BA0391 01h 20min	British Airways	?	£102
London Heathrow Brussels	Outbound 25/08/25 direct BA0392 01h 10min	Return 30/08/25 direct BA0399 01h 10min	British Airways		£111
London Heathrow Brussels	Outbound 20/10/25 direct BA0396 01h 15min	Return 11/11/25 direct BA0391 01h 20min	British Airways	?	£115
London Heathrow Brussels	Outbound 09/10/25 direct BA0392 01h 10min	Return 14/10/25 direct BA0399 01h 10min	British Airways		£118
London Heathrow Brussels	Outbound 09/10/25 direct BA0392 01h 10min	Return 14/10/25 direct BA0399 01h 10min	British Airways		£121
London Heathrow Brussels	Outbound 20/10/25 direct SN2096 01h 10min	Return 11/11/25 direct SN2093 01h 25min	Brussels Airlines		£123
London Heathrow Brussels	Outbound 03/09/25 direct BA0396 01h 15min	Return 15/09/25 direct BA0397 01h 10min	British Airways		£125
London Heathrow Brussels	Outbound 16/07/25 direct SN2104 01h 00min	Return 09/08/25 direct SN2103 01h 15min	Brussels Airlines		£125

Tips and tricks to help you find cheap flights from London Heathrow to Brussels

Important flight information

Flight information: London Heathrow - Brussels

Outbound and return from	£98.99
Flight duration	min. 01:05 / max. 01:15
Return flight duration	min. 01:10/ max. 01:25
Distance	351 km
Flights per week	69
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Brussels (BRU)
Destination country	Flights to Belgium

Alternative flights to Brussels

Flight Birmingham - Brussels from £123
Flight Edinburgh - Brussels from £132
Flight Bristol - Brussels from £125
Flight Manchester - Brussels from £139
Flight London - Brussels from £99
Flight London Gatwick - Brussels from £133
Flight London City - Brussels from £218

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Flight London Heathrow - Barcelona from £92
Flight London Heathrow - Belfast City from £90
Flight London Heathrow - Basel from £93
Flight London Heathrow - Paris - Charles de Gaulle from £98
Flight London Heathrow - Dusseldorf from £97