Cheap flights from Costa Rica to San Francisco from $134

If you aren’t able to travel to San Francisco during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $469.

The cheapest day to depart from Costa Rica to San Francisco is on a Wednesday when prices can be found for as low as $503. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $751.

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 $543 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 $483 on momondo.

There are 3 cabin classes available to choose from on Costa Rica to San Francisco 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 5% on your flight if you consider stops on a Costa Rica to San Francisco flight.

Southwest, JetBlue, and Alaska 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 56% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 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 10% 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 210 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning 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. 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 10% of their flights experiencing any sort of delay.

The number of flights available between Costa Rica and San Francisco is 3 per week as of March 2026. The most frequent departure day is Sat, with 67% of weekly flights leaving on this day.

Flight times from Costa Rica to San Francisco vary, but if you’re flying out of San José and flying into San Francisco (one of the most popular routes), then the duration is 6h 45m on average. Another popular route from Costa Rica to San Francisco is flying from Liberia to San Francisco, which will take roughly 11h 30m. Keep in mind that layovers or delays could extend your travel time.