Cheap flights from San Francisco to Lima from $373

The cheapest month to fly to Lima from San Francisco is in February. Flight prices, which tend to average around $613, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Lima from San Francisco during October instead. Flights to Lima in October, while not as cheap as those in February, still average around $642.

You are more likely to see cheaper flights to Lima from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Lima for around $693 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lima from San Francisco for as low as $665 on momondo.

You could potentially save up to 29% on your flight if you consider stops on a San Francisco to Lima flight.

As of July 2026, prices for San Francisco to Lima flights are approximately 2% more expensive when compared to flights at the same time last year.

Delta is the most popular carrier operating from San Francisco to Lima J Chavez Intl

Avianca, Copa Airlines and LATAM Airlines are the top three most popular airlines that fly to Lima from San Francisco according to our data. Avianca is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Lima. Keep in mind that there are 8 different airlines that fly to Lima on a routine basis, so you have a few additional options to choose from.

San Salvador (SAL) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $579.

Flights connecting via San Salvador (SAL) have the shortest average one-way travel time: 11h 11m.

San Salvador (SAL) has the shortest average layover time for this route: 1h 36m.