Cheap Flights from Oslo (OSL) to La Fortuna (FON)

Popular airlines from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal) cost?
Get a cheap one-way flight or cheap return flight from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between OSL and FON. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest OSL to FON flight.
How many flights per day from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)?
Direct flights from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OSL to FON?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)?
To avoid potential delays on the Gardermoen Airport (OSL) 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 Gardermoen Airport (OSL) to La Fortuna (FON-Arenal) last-minute?
Last-minute fares from OSL to FON are generally more expensive. To lock in the lowest rates, start searching for flights early. That being said, if your travel plans are flexible, you may score a cheap ticket right before your trip.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to La Fortuna (FON-Arenal)?
Usually, it's possible to cancel or reschedule your OSL to FON flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Gardermoen
Destination airport
Arenal
Distance
5785 mi

Book with confidence

Book with confidence

Oslo to La Fortuna Flights

The cheapest times to fly from Oslo 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 Oslo to La Fortuna are during the month of . You can find some of the cheapest flights from Oslo to La Fortuna with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to La Fortuna

Sunday is one of the best days to book for cheap flights from Oslo 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 Oslo 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 Oslo 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 Oslo 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 Oslo 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.

 

Oslo to La Fortuna Flights

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*Available to One Key members.