We've compared all 20 flights that go to or via San Juan Puerto Rico every week, to find the best deal for you. KLM usually has the cheapest flights from Cardiff to San Juan Puerto Rico, so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.
When you fly from Cardiff to San Juan Puerto Rico, you'll have two airlines to choose from for your 6536 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
To sort cheap flights to San Juan Puerto Rico, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on KLM too, as they're the most popular airline for flying from Cardiff to San Juan Puerto Rico.
Flights from Cardiff to San Juan Puerto Rico usually take about 18 hrs 40 mins. Once you've selected your flight, you'll need to fill out your details to book. And don’t forget to look at Netflights’ hotels and car hire – you could save even more money on your trip when you book everything in one go.