Cheap flights from Costa Rica to San Francisco from $210

If you aren’t able to travel to San Francisco during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $163.

The cheapest day to depart from Costa Rica to San Francisco is on a Saturday when prices can be found for as low as $500. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $782.

Fly from San José Juan Santamaria Intl to San Francisco for the best Costa Rica - San Francisco flight prices

You are more likely to see cheaper flights to San Francisco from Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Costa Rica for as low as $528 on momondo.

You could potentially save up to 26% on your flight if you consider stops on a Costa Rica to San Francisco flight.

Southwest, Alaska Airlines, and United Airlines are the most popular carriers operating from Costa Rica to San Francisco

Avianca, United Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Costa Rica according to our data. Avianca is the first choice among our users, with 55% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 9% of flights between Costa Rica and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 197 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

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

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

As of May 2026, 1 flights take off from Costa Rica and land in San Francisco each day. The most common flight departure time for this route is 8:00AM, with 87% of daily flights taking off at noon.

The number of flights available between Costa Rica and San Francisco is 7 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.