Cheap flights from Belfast to San Juan Puerto Rico from £1,080

from as little as £1,080

7 nights in San Juan Puerto Rico, departing George Best Belfast City Airport on 24 / Jan / 2026 with Aer Lingus (price found 36 hours ago)

Subject to availability, prices correct of the last 24 hours
San Juan Puerto Rico

The Belfast / San Juan Puerto Rico route

All 6422 km of it

Cheap flight deals for this route

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San Juan Puerto Rico flight facts

What you need to know

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San Juan Puerto Rico

24 / Jan / 2026 is currently the lowest priced day of the year to fly the Belfast/San Juan Puerto Rico route. There are around 16 flights on any given week from the UK to San Juan Puerto Rico and the cheapest month to fly right now is January.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

21 °C

AVG

26 °C

HIGHEST

30 °C

Rainfall (mm)
LOWEST

69 mm

AVG

125.7 mm

HIGHEST

158 mm

Key facts about San Juan Puerto Rico

How to get cheap flights from Belfast to San Juan Puerto Rico

Tips and advice from our flight experts

Weekly, there are 16 flights connecting San Juan Puerto Rico to Belfast. We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.

Generally, George Best Belfast City Airport (BHD) is the most popular choice for flights to San Juan Puerto Rico. And the most popular airlines are Aer Lingus & British Airways. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to San Juan Puerto Rico in advance to avoid disappointment. British Airways usually have the lowest prices, so keep an eye out for their flights. Flights from Belfast to San Juan Puerto Rico generally take about 17 hrs 25 mins.

Did you know you can also compare car hire and hotel prices in Puerto Rico with Netflights? Take a look to get an idea of prices in San Juan Puerto Rico.

Other popular destinations near San Juan Puerto Rico

Where other people are flying to

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