AirHint found the following cheapest return flights from San Francisco (SFO) to Buenos Aires (AEP) in October 2025 (see full year).
Return flights
| 28 Oct - 12 Nov | Frontier Airlines | ||
| 29 Oct - 12 Nov | Frontier Airlines | ||
| 21 Oct - 24 Oct | Copa | ||
| 20 Oct - 27 Oct | LATAM Airlines Group | ||
| 19 Oct - 26 Oct | Frontier Airlines | ||
| 30 Oct - 09 Nov | LATAM Airlines Group |
Also check the deals for one-way flights from San Francisco to Buenos Aires in October.
Powered by
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media