Our cheapest offers for flights from London to Buenos Aires

Here you can compare cheap flights from London (LON) to Buenos Aires (BUE) 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 Buenos Aires. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Buenos Aires	Outbound 25/05/26 2 Stopovers (AMS, CDG) KL0996, KL1405, KL2358 29h 50min	Return 07/06/26 1 Stopover (AMS) KL0702, KL0981 37h 45min	KLM		£741 found 3 days ago
Best option London Buenos Aires	Outbound 25/05/26 1 Stopover (AMS) KL0990, KL0701 16h 40min	Return 07/06/26 1 Stopover (AMS) KL0702, KL0989 21h 35min	KLM		£875 found 3 days ago
London Buenos Aires	Outbound 26/03/26 1 Stopover (IST) TK1244, TK0015 32h 05min	Return 06/04/26 1 Stopover (IST) TK0016, TK1241 30h 00min	Turkish Airlines		£1,149
London Buenos Aires Please note: transfer for connecting flight	Outbound 26/03/26 1 Stopover (MAD) FR5994, UX0041 21h 15min	Return 06/04/26 1 Stopover (MAD) UX0042, FR0348 16h 35min	Ryanair, Air Europa Lineas Aereas		£1,218
London Buenos Aires	Outbound 25/05/26 2 Stopovers (AMS, CDG) KL0996, KL1405, KL2358 29h 50min	Return 07/06/26 1 Stopover (AMS) KL0702, KL0981 37h 45min	KLM		£742 found 3 days ago
London Buenos Aires	Outbound 25/05/26 2 Stopovers (AMS, CDG) KL0996, KL2007, KL2358 29h 50min	Return 07/06/26 1 Stopover (AMS) KL0702, KL0989 21h 35min	KLM	?	£777 found 3 days ago
London Buenos Aires	Outbound 31/03/26 2 Stopovers (LIN, FCO) AZ0217, AZ2045, AZ0682 20h 45min	Return 21/04/26 2 Stopovers (FCO, LIN) AZ0681, AZ2080, AZ0224 28h 20min	Italia Trasporto Aereo		£880
London Buenos Aires	Outbound 31/03/26 2 Stopovers (LIN, FCO) AZ0217, AZ2045, AZ0682 20h 45min	Return 21/04/26 2 Stopovers (FCO, LIN) AZ0681, AZ2016, AZ0226 20h 15min	Italia Trasporto Aereo	?	£921
London Buenos Aires	Outbound 19/06/26 1 Stopover (MAD) BA3270, BA4216 24h 50min	Return 05/07/26 1 Stopover (MAD) BA4254, BA3271 30h 55min	British Airways		£948
London Buenos Aires	Outbound 19/06/26 1 Stopover (MAD) BA3270, BA4216 24h 50min	Return 05/07/26 1 Stopover (MAD) BA4254, BA3271 30h 55min	British Airways		£953

Tips and tricks to help you find cheap flights from London to Buenos Aires

Important flight information

Flight information: London - Buenos Aires

Outbound and return from	£740.99
Flight duration	min. 13:45 / max. 13:55
Return flight duration	min. 13:00/ max. 13:15
Distance	11141 km
Flights per week	16
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Buenos Aires - all Airports (EZE, AEP) (BUE)
Destination country	Flights to Argentina

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Our cheapest offers for flights from London to Buenos Aires

London (LCY, LGW, LHR, LTN, STN, SEN)

Buenos Aires - all Airports (EZE, AEP)

Tips and tricks to help you find cheap flights from London to Buenos Aires

Important flight information

Flight information: London - Buenos Aires

Flight destinations with a similar price