In terms of precipitation, rainfall in Puerto Rico ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit Puerto Rico when rainfall is around 55.0 mm.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

What is the cheapest time of day to fly from STN to PR?

When flying from London Stansted Airport to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Stansted to Puerto Rico that include hotel bookings?

Yes. In addition to deals on Stansted to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to Puerto Rico?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Puerto Rico.

Can I find deals for business class flights from Stansted to Puerto Rico?

Yes. Cheapflights offers flight deals from Stansted to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£323+ Cheap Flights from London Stansted Airport to Puerto Rico

Cheap flight deals from Stansted to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Stansted to Puerto Rico
Explore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Mon 16/1109:15 -

1 stop14h 45m

Mon 30/1121:35 -

1 stop17h 50m

Deal found 14/9£559

Thu 12/1106:15 -

1 stop14h 25m

Thu 26/1118:10 -

1 stop15h 20m

Deal found 14/9£561

Mon 16/1109:15 -

1 stop14h 45m

Sun 29/1121:35 -

1 stop13h 50m

Deal found 14/9£564

Mon 16/1109:15 -

1 stop14h 45m

Thu 26/1121:35 -

1 stop11h 55m

Deal found 14/9£564

Tue 17/1108:20 -

1 stop15h 40m

Thu 26/1118:10 -

1 stop15h 20m

Deal found 14/9£565

Sun 15/1109:45 -

1 stop14h 15m

Sun 29/1121:35 -

1 stop13h 50m

Deal found 14/9£605

Sat 14/1105:55 -

1 stop18h 05m

Thu 26/1121:35 -

1 stop11h 55m

Deal found 14/9£636

Sat 14/1105:55 -

1 stop18h 05m

Sun 29/1121:35 -

1 stop13h 50m

Deal found 14/9£643

Wed 11/1108:30 -

1 stop15h 30m

Sun 29/1121:35 -

1 stop13h 50m

Deal found 14/9£668

Sat 24/1008:45 -

1 stop15h 00m

Sun 1/1121:35 -

1 stop13h 15m

Deal found 12/9£671

Thu 12/1106:15 -

1 stop14h 25m

Sun 29/1121:35 -

1 stop13h 50m

Deal found 14/9£672

Sun 11/1007:35 -

2 stops37h 35m

Sun 18/1017:15 -

1 stop13h 05m

Deal found 11/9£674

Find flight deals from Stansted to Puerto Rico

Round-trip from	£559
One-way from	£323
Popular in	December
Cheapest in	February
Average price	£683

16/11-30/11
2 total stops
32h 35m total
London to Puerto Rico

Search Deals

11/11-31/12
3 total stops
42h 23m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 11/11

09:15-23:38

3 stops42h 23m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£323

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 1/12

13:25-13:51

3 stops52h 26m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£346

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 3/12

15:40-01:18

3 stops37h 38m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£378

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 22/11

07:45-08:39

2 stops28h 54m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£392

Fastest return journey

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 23/11

21:00-16:40

2 stops23h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£411

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 2/12

17:45-15:01

3 stops49h 16m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£416

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 17/11

10:25-20:00

1 stop13h 35m

San Juan Luis Munoz Marin Intl

Mon 30/11

21:35-16:00

1 stop14h 25m

£677

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 29/11

07:45-08:39

2 stops28h 54m

San Juan Luis Munoz Marin Intl

Tue 8/12

21:35-19:45

1 stop18h 10m

£688

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 24/10

08:45-18:45

1 stop15h 00m

San Juan Luis Munoz Marin Intl

Sat 31/10

18:10-11:25

1 stop13h 15m

£724

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 29/9

09:10-14:58

2 stops34h 48m

San Juan Luis Munoz Marin Intl

Mon 5/10

17:15-12:05

1 stop13h 50m

£734

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 16 resultsSorted by cheapest first

Best time to book a flight from Stansted to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Stansted with our price prediction graph.

STN-SJU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Puerto Rico

STN-PR0

STN-SJU

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Stansted to Puerto Rico that include hotel bookings?
Yes. In addition to deals on Stansted to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Puerto Rico.
Can I find deals for business class flights from Stansted to Puerto Rico?
Yes. Cheapflights offers flight deals from Stansted to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Stansted to Puerto Rico

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Can Cheapflights find flights from Stansted to Puerto Rico with no change fees?

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Cheap flights from London Stansted Airport to Puerto Rico from £323

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Puerto Rico

Cheapest flights from Stansted to Puerto RicoExplore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Stansted to Puerto RicoDiscover carefully curated flight deals from Stansted to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Stansted to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Stansted to Puerto RicoDiscover last-minute flight deals from Stansted to Puerto Rico. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Puerto Rico. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Stansted to Puerto RicoSearch for one-way flight options from Stansted to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Stansted to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Find flight deals from Stansted to Puerto Rico

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Puerto Rico that are best for you.

Best time to book a flight from Stansted to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Stansted with our price prediction graph.

Cheapflights Insights

Related info for your journey

Can I find deals for flights from Stansted to Puerto Rico that include hotel bookings?

How can I find direct flights from Stansted to Puerto Rico?

Can I find deals for business class flights from Stansted to Puerto Rico?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stansted to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Puerto Rico by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Stansted to Puerto Rico by cabin class

Find flights from Stansted to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stansted and Puerto Rico flights

Browse other Stansted and Puerto Rico flight options. Last updated on 16 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

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How does Cheapflights help users find flights from Stansted to Puerto Rico?

Why should you use Cheapflights to find cheap flight tickets from Stansted to Puerto Rico?

Can Cheapflights find flights from Stansted to Puerto Rico with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to Puerto Rico become cheaper?

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Cheapest flights from Stansted to Puerto Rico
Explore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Stansted to Puerto Rico
Discover carefully curated flight deals from Stansted to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Stansted to Puerto Rico
Discover last-minute flight deals from Stansted to Puerto Rico. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Stansted to Puerto Rico
Search for one-way flight options from Stansted to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.