Cheap flights from Los Angeles to Costa Rica from $144

The cheapest month to fly to Costa Rica from Los Angeles is in October. Flight prices, which tend to average around $352, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Los Angeles to Costa Rica during September average around $363.

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Los Angeles. The lowest ticket price found for a Tuesday departure recently was $453. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $508. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

At noon is the cheapest time of day to fly from Los Angeles to Costa Rica when you can find flight prices for as low as $278. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $522. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Los Angeles to Liberia for the best Los Angeles - Costa Rica flight prices

You are more likely to see cheaper flights to Costa Rica from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Los Angeles for as low as $386 on momondo.

There are 4 cabin classes available to choose from on Los Angeles to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Volaris Costa Rica, and Alaska Airlines are the most popular carriers operating from Los Angeles to Costa Rica

Alaska Airlines, Volaris Costa Rica and United Airlines are the top three most popular airlines that fly to Costa Rica from Los Angeles according to our data. Alaska Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 12 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Los Angeles and Costa Rica have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday 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 11% of their flights experiencing any sort of delay.

As of March 2026, 3 flights take off from Los Angeles and land in Costa Rica each day. The most common flight departure time for this route is 4:00PM, with 39% of daily flights taking off in the afternoon.

As of March 2026, there are 25 flights per week flying from Los Angeles to Costa Rica. The most common day of the week flights depart is Fri, with 40% of flights taking off on this day.