Flights from San Diego to Guanacaste Province

Flight deals from San Diego to Guanacaste Province

Looking for cheap tickets from San Diego to Guanacaste Province, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Liberia.R 2,463 per passenger.Departing Sun, 17 May.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Sun, 17 May, arriving in Liberia.Price includes taxes and charges.From R 2,463, select.

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Flying from San Diego to Guanacaste Province

Arm yourself with these facts on the fly.

Cheapest flight found	R 2,463
Cheapest month to fly	May
Cheapest airport to fly from	San Diego International

How to find cheap flights from San Diego to Guanacaste Province

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from San Diego to Guanacaste Province. Other savvy travellers recently found return flights from R 6,098 and one-way tickets from R 2,463 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Diego International into Liberia

At the moment, the lowest priced flight tickets to Guanacaste Province are from San Diego International Airport to Liberia Airport.

Fly in May

We crunched the flight calendar and found the cheapest time to fly from San Diego to Guanacaste Province is currently May.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Diego to anywhere you choose in Guanacaste Province.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from San Diego to Guanacaste Province go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Guanacaste Province to Guanacaste Province flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Diego to Guanacaste Province flight price?

We looked at all of the upcoming return flights from San Diego to Guanacaste Province we could find over the next 12 months. It looks like R 6,098 is the best price. This is good, compared to the average Guanacaste Province ticket price of R 10,414.

What is the cheapest month to fly from San Diego to Guanacaste Province?

The cheapest month to fly from San Diego to Liberia Airport is currently May. The cheapest month to fly from San Diego to Nosara Beach Airport is usually May. And the cheapest month to fly from San Diego to Tamarindo Airport is usually March.

Which upcoming date is cheapest to fly from San Diego to Guanacaste Province on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Guanacaste Province on Monday, 18 May 2026.

Are there any direct flights from San Diego to Guanacaste Province?

Currently, there aren't any direct flights from San Diego to Guanacaste Province, but you can still fly with a stopover.

If I'm flying from San Diego, where in Guanacaste Province is cheapest to fly into?

If you're flying from San Diego, the cheapest city in Guanacaste Province to fly into is Liberia. The cheapest airport serving Liberia at the moment is Liberia.