Cheap flights from Costa Rica to San Francisco from $218

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 $480.

The cheapest day to depart from Costa Rica to San Francisco is on a Wednesday when prices can be found for as low as $506. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $732.

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 $548 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 $485 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.

No. A direct flight is the cheapest option for a flight between Costa Rica to San Francisco.

United Airlines, Southwest, 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 54% 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 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 214 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 9% of their flights experiencing any sort of delay.

The number of flights available between Costa Rica and San Francisco is 6 per week as of March 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Flight times from Costa Rica to San Francisco vary, but if you’re flying out of Liberia and flying into San Francisco (one of the most popular routes), then the duration is 6h 42m on average. Another popular route from Costa Rica to San Francisco is flying from San José to San Francisco, which will take roughly 6h 45m. Keep in mind that layovers or delays could extend your travel time.