Cheap Flights from San Diego (SAN) to La Fortuna (FON)

Popular airlines from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal) cost?
Grab a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)?
is the least expensive month to fly from SAN to FON. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)?
To find the cheapest airline flying from SAN to FON, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)?
Nonstop flights from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to FON?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)?
To avoid possible delays on the San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal) last-minute?
Last-minute bookings from SAN to FON are generally more expensive. For the lowest rates, start looking for flights as early as possible. That said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your journey.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to La Fortuna (FON-Arenal)?
Typically, it's possible to reschedule or cancel your SAN to FON flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
San Diego Intl.
Destination airport
Arenal
Distance
2576 mi

Book with confidence

Book with confidence

San Diego to La Fortuna Flights

The cheapest times to fly from San Diego to La Fortuna

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to La Fortuna are during the month of . You can find some of the cheapest flights from San Diego to La Fortuna with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to La Fortuna

Sunday is one of the best days to book for cheap flights from San Diego to La Fortuna: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to La Fortuna

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to La Fortuna in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to La Fortuna flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to La Fortuna airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Diego to La Fortuna Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.