Find cheap American Airlines flights to San Francisco from $70 - Compare and Save

The cheapest month for American Airlines flights to San Francisco is September, where tickets cost $346 (return) on average. On the other hand, the most expensive months to fly this route on American Airlines are June and December, where the average cost of round-trip tickets is $478 and $442 respectively.

For the absolute cheapest price on American Airlines, our data suggests you should book 4 weeks before departure.

The cheapest airline ticket to San Francisco from the United States with American Airlines in the last 5 days was $70 one-way, and $139 round-trip on the route from Los Angeles to San Francisco. The most popular route is from Los Angeles to San Francisco and the cheapest ticket found on this route in the last 5 days was $139 return.

Each week there are around 659 direct flights from within the United States to San Francisco. The most common day for departures is Sunday, with 16% of flights taking off on this day.

Based on KAYAK data, the cheapest day to fly to San Francisco is Wednesday where tickets can be as cheap as $411. On the other hand, the most expensive day to fly is Sunday, where prices are $541 on average.

The cheapest time of day to fly to San Francisco with American Airlines is generally at noon, when flights cost $361 on average.