London Heathrow (LHR) to Buenos Aires (AEP) flight deal in economy from $999

AviancaAVAvianca
Round Trip•Economy
United KingdomLHR

London Heathrow Airport

London Heathrow, United Kingdom
ArgentinaAEP

Jorge Newbery Airpark

Buenos Aires, Argentina
$1,598 USD
-37%$999 USD
Verified about 10 hours ago
Fair Availability
25% of dates checked are available within 10% of the lowest price

Friday, August 14th, 2026

3 round-trip options

Returning
Thu, Aug 20, 2026•6 Day Trip
$1,484 USD
Google Flights
Returning
Mon, Aug 24, 2026•10 Day Trip
$1,700 USD
Google Flights
Returning
Tue, Aug 25, 2026•11 Day Trip
$1,700 USD
Google Flights