Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Gatwick to San Juan Puerto Rico, across the five airlines that offer this route. We've found that 07 / Jul / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
There are 43 flights from London Gatwick to or via San Juan Puerto Rico every week. Out of the five available airlines, the most popular ones are Iberia Airlines, British Airways & Icelandair. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
The distance between London Gatwick to San Juan Puerto Rico is 6749 km. Normally, it takes about 14 hrs 50 mins to fly, and you can definitely expect the journey to be at least 11 hrs 40 mins. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.
