Cheap flights from San Francisco to San Salvador from $146

If you aren’t able to travel to San Salvador during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $420.

On average, the least expensive day to fly to San Salvador from San Francisco is on a Monday. momondo users have found tickets for Monday departures for as low as $541. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Salvador on Saturday is $608.

Our most recent data shows that the best time of day to fly to San Salvador is at noon. Flights from San Francisco to San Salvador during this time can be as low as $569. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $569 on average. Flights to San Salvador from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Francisco to San Salvador El Salvador Intl for the best San Francisco - San Salvador El Salvador Intl flight prices

You are more likely to see cheaper flights to San Salvador from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around $499 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from San Francisco for as low as $452 on momondo.

There are 3 cabin classes available to choose from on San Francisco to San Salvador El Salvador Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 12% on your flight if you consider stops on a San Francisco to San Salvador flight.

As of February 2026, prices for San Francisco to San Salvador flights are approximately 1% more expensive when compared to flights at the same time last year.

United Airlines, Frontier, and Avianca are the most popular carriers operating from San Francisco to San Salvador El Salvador Intl

Avianca, Volaris El Salvador and United Airlines are the top three most popular airlines that fly to San Salvador from San Francisco according to our data. Avianca is the first choice among our users, with 85% of people opting to fly with this airline when traveling to San Salvador. Keep in mind that there are 6 different airlines that fly to San Salvador on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between San Francisco and San Salvador have experienced a delay on any given week. The average delay length over the past 12 months has been 87 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Houston (IAH) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Panama City (PTY) offer the lowest average round-trip price of $333.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 8h 21m.

Houston (IAH) has the shortest average layover time for this route: 1h 44m.

The number of flights available between San Francisco and San Salvador is 4 per day as of February 2026. The most frequent departure time is 1:00PM, with 47% of daily flights leaving in the afternoon.

As of February 2026, there are 30 flights per week flying from San Francisco to San Salvador. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.