Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from George Best Belfast City Airport to San Juan Puerto Rico, across the two airlines that offer this route. We've found that 10 / Feb / 2026 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 six flights from George Best Belfast City Airport to or via San Juan Puerto Rico every week. Out of the two available airlines, the most popular ones are Aer Lingus & British Airways. 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 George Best Belfast City Airport to San Juan Puerto Rico is 6443 km. Normally, it takes about 19 hrs 20 mins to fly, and you can definitely expect the journey to be at least 17 hrs 30 mins. You can see the various flight times in the results.
Searching by month, for instance, will show you the best time of the week to fly.