Cheap Flights from Washington (IAD) to La Fortuna (FON)

Popular airlines from Washington Dulles Intl. Airport (IAD) 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 Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal) cost?
Grab a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal)?
is the cheapest month to fly from IAD to FON. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to FON flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal)?
Direct flights from Washington Dulles Intl. Airport (IAD) 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 click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to FON?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal)?
To arrive at La Fortuna (FON-Arenal) on time, opt for a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal) last-minute?
Last-minute fares from IAD to FON are usually more expensive. To lock in the cheapest rates, start searching for flights ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to La Fortuna (FON-Arenal)?
If you reserved your IAD to FON flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Arenal
Distance
2016 mi

Book with confidence

Book with confidence

Washington to La Fortuna Flights

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

 

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

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

 

Washington to La Fortuna Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.