Cheap Flights from Key West International Airport to San Juan from SAR 1,605 Return

Flight deals from Key West International Airport to San Juan

Looking for cheap tickets from Key West International Airport to San Juan, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

San Juan.SAR 1,605 per passenger.Departing Sat, 17 Jan, returning Tue, 20 Jan.Return flight with Spirit Airlines and Frontier Airlines.Outbound indirect flight with Spirit Airlines, departs from Key West International on Sat, 17 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 20 Jan, arriving in Key West International.Price includes taxes and charges.From SAR 1,605, select.

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Flying from Key West International Airport to San Juan

Arm yourself with these facts on the fly.

Cheapest flight found	SAR 1,605
Cheapest month to fly	January

How to find cheap flights from Key West International Airport to San Juan

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Key West International Airport to San Juan. Other savvy travellers recently found return flights from SAR 1,605 and one-way tickets from SAR 685. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in January

The cheapest time to fly from Key West International Airport to San Juan is currently January.

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 Key West International Airport to anywhere you choose in San Juan.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Key West International Airport to your chosen airport in San Juan 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 San Juan Airport to San Juan flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Key West International Airport to San Juan?

We looked at all of the upcoming return flights from Key West International Airport to San Juan we could find over the next 12 months. It looks like SAR 1,605 is the best price. This is good, compared to the average San Juan ticket price of SAR 1,605.

What is the cheapest month to fly from Key West International Airport to San Juan?

The cheapest month to fly from Key West International Airport to San Juan is currently January.

Which upcoming date is cheapest to fly from Key West International Airport to San Juan on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Key West International Airport to San Juan on Saturday, 17 January 2026.

If I'm flying from Key West International Airport, where in San Juan is cheapest to fly into?

If you're flying from Key West International, the cheapest city in San Juan to fly into is San Juan. The cheapest airport serving San Juan at the moment is San Juan Luis Munoz Marin.