$116 Cheap Flights to Sierra

View $116 flight on Sat, Dec 6, 2025Opens in a new window

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How much is the cheapest flight to Sierra?

Prices were available within the past 7 days and start at $116 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SANSA
Sat, Dec 6 - Sat, Dec 13
SJO
San José
FON
La Fortuna
$231 Roundtrip, just found
$231
Roundtrip
just found
Select SANSA flight, departing Sat, Dec 6 from San José to La Fortuna, returning Sat, Dec 13, priced at $231 just found
SANSA
Sat, Dec 6 - Sat, Dec 13
SJO
San José
FON
La Fortuna
$232 Roundtrip, just found
$232
Roundtrip
just found
Select SANSA flight, departing Sat, Dec 6 from San José to La Fortuna, returning Sat, Dec 13, priced at $232 just found
SANSA
Sat, Dec 6 - Sat, Dec 13
SJO
San José
FON
La Fortuna
$234 Roundtrip, just found
$234
Roundtrip
just found
Select SANSA flight, departing Sat, Dec 6 from San José to La Fortuna, returning Sat, Dec 13, priced at $234 just found
SANSA
Mon, Aug 11 - Wed, Aug 13
SJO
San José
FON
La Fortuna
$234 Roundtrip, found 2 hours ago
$234
Roundtrip
found 2 hours ago
Select SANSA flight, departing Mon, Aug 11 from San José to La Fortuna, returning Wed, Aug 13, priced at $234 found 2 hours ago
SANSA
Mon, Aug 11 - Wed, Aug 13
SJO
San José
FON
La Fortuna
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select SANSA flight, departing Mon, Aug 11 from San José to La Fortuna, returning Wed, Aug 13, priced at $235 found 2 hours ago
SANSA
Mon, Dec 29 - Tue, Dec 30
LIR
Liberia
FON
La Fortuna
$461 Roundtrip, found 11 hours ago
$461
Roundtrip
found 11 hours ago
Select SANSA flight, departing Mon, Dec 29 from Liberia to La Fortuna, returning Tue, Dec 30, priced at $461 found 11 hours ago

Tips to find the cheapest flights to Sierra

The cheapest day to fly

Get started finding a cheap flight to Sierra on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

December is the cheapest month to fly to Sierra. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Sierra. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Sierra, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Sierra

The lowest price for round-trip flights to Sierra in 2025 starts from from $231, while one-way tickets start from from $116. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Sierra. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Sierra

SANSA are just some of the airlines that can typically offer cheap tickets to Sierra. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Sierra and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Sierra, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Sierra. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Sierra plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Sierra

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Sierra.

Stopover savings

The cheapest tickets to Sierra are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Sierra. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Sierra for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Sierra. Simply download the free Expedia app to your smart device and activate Sierra flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Sierra. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Frequently asked questions

What month is the cheapest to fly to Sierra?
The cheapest month to fly to Sierra is December when there's less demand. Off-peak months are typically when you'll find cheap flights. To keep costs down, steer clear of flying during school breaks and major holidays.
Which US cities fly direct to Sierra?
There are 11 US destinations you're able to fly to Sierra nonstop from. Explore your options by selecting the "Direct flights only" filter on Expedia and find the best starting point for your trip. Here are some of the leading cities to leave from:

  • Houston
  • Los Angeles
  • Miami
  • Atlanta
  • Denver

How to find a cheap flight to Sierra?
Book in advance or look for cheap flights to Sierra during off-season months like June and September. Flying off on a Thursday can also save you 16% on average compared to a Sunday flight.* The Expedia app makes it even easier to know the right time to book. Just turn on the toggle for "Watch prices" and you'll receive an alert as soon as there's a better deal.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Sierra?
You can find awesome deals on last-minute departures to Sierra, especially if your travel arrangements are flexible. Consider leaving from a different hub, changing your dates or picking another carrier to get a cheap flight to Sierra.
How far in advance should I book a flight to Sierra?
Secure your flight to Sierra two to four months ahead if you're visiting from an international destination. For domestic travel, the timeframe is around 28 days in advance. Lower fares and a wider variety of departure dates, times and seating options are just some of the advantages of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Sierra?
You'll save an average of 8% if you buy tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to scoring a cheap flight to Sierra, the key is good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Sierra?
Sierra is connected to 40 airports worldwide through 24 airlines, with Juan Santamaria Intl. Airport (SJO) as its chief entry point. Pick from these well-known airlines to Sierra when planning your trip:

  • Copa Airlines
  • SANSA Regional
  • GetJet Airlines
  • AVIANCA

Where do you fly into Sierra?
The main airport when you fly to Sierra is Daniel Oduber Intl. Airport (LIR), but there are other nearby choices like Juan Santamaria Intl. Airport (SJO) and Tobias Bolanos Intl. Airport (SYQ). You can also land at Canas (CSC) and Puntarenas (JAP-Chacarita) when flying to Sierra.
How far is the airport from central Sierra?
If you're landing at Daniel Oduber Intl. Airport (LIR), you'll be around 45 mi northwest of central Sierra.
Can I save money by booking a Sierra trip package?
Bundle your flights and accommodations and you could save hundreds of dollars. What's more, you can add extras like tours and car rentals to your Sierra flight and hotel package deal. With Expedia, it's a breeze to organize all your Sierra travel arrangements in one place.
Can I change or cancel my flight to Sierra?
If you bought your flight to Sierra in the last 24 hours, you can typically change or cancel it for free. After that, additional costs may apply depending on the airline's rules and restrictions. For more information, visit our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may receive a credit toward a future trip instead of a direct refund. When searching on Expedia, check the "Changes included" or "No cancel fee" filters to find tickets with flexible change policies.
Flights to Sierra information
Destination airport
Arenal
Destination airport IATA code
FON
Destination city name
La Fortuna
Roundtrip price
$231

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*Available to One Key members.