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

Monday, August 10th, 2026

3 round-trip options

Returning
Sun, Aug 16, 20266 Day Trip
$1,736 USD
Returning
Thu, Aug 20, 202610 Day Trip
$1,700 USD
Returning
Fri, Aug 21, 202611 Day Trip
$1,700 USD