What is the cheapest month to book a flight from London Stansted Airport to Puerto Rico?

Currently, April is the cheapest month in which you can book a flight from London Stansted Airport to Puerto Rico (average of £631). Flying from London Stansted Airport to Puerto Rico in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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).

How far in advance should I book a flight from London Stansted Airport to Puerto Rico?

Find a great deal and save up to 58% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Stansted Airport to Puerto Rico within the next two weeks, with the cheapest ticket starting at £477.

What is the cheapest month to fly from London Stansted Airport to Puerto Rico?

September can be a great time to fly to Puerto Rico from London Stansted Airport with a flight ticket averaging about £669. Cheapflights users have found deals in the month of September for as cheap as £436. The most expensive prices can be found in the month of December.

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.

£287+ Cheap Flights from London Stansted Airport to Puerto Rico

Cheap flight deals from Stansted to Puerto Rico

Round-trip from	£515
One-way from	£287
Popular in	December
Cheapest in	September
Average price	£537

2/3-9/3
2 total stops
28h 30m total
London to Puerto Rico

Search Deals

26/2
2 total stops
32h 22m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Stansted to Puerto Rico

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 12 September 2025.

Sun 26/1014:55STN - SJU

2 stops45h 30mMultiple Airlines

Sun 2/1121:40SJU - STN

1 stop30h 05mMultiple Airlines

Deal found 11/9£684

Sun 12/1011:40STN - SJU

2 stops17h 56mMultiple Airlines

Sun 19/1007:05SJU - STN

2 stops22h 35mMultiple Airlines

Deal found 12/9£690

Mon 3/1109:35STN - SJU

1 stop14h 20mMultiple Airlines

Fri 14/1118:30SJU - STN

2 stops17h 25mMultiple Airlines

Deal found 10/9£701

Sat 1/1108:50STN - SJU

1 stop15h 05mMultiple Airlines

Tue 18/1113:00SJU - STN

2 stops18h 30mMultiple Airlines

Deal found 11/9£717

Sat 13/911:40STN - SJU

3 stops31h 37mMultiple Airlines

Sat 20/906:44SJU - STN

3 stops22h 56mMultiple Airlines

Deal found 11/9£728

Tue 21/1008:05STN - SJU

2 stops36h 19mMultiple Airlines

Fri 31/1021:25SJU - STN

1 stop22h 45mMultiple Airlines

Deal found 11/9£738

Thu 23/1017:50STN - SJU

3 stops38h 01mMultiple Airlines

Thu 30/1013:00SJU - STN

2 stops21h 35mMultiple Airlines

Deal found 11/9£741

Sat 25/1006:25STN - SJU

1 stop13h 45mMultiple Airlines

Sat 1/1121:40SJU - STN

1 stop12h 50mMultiple Airlines

Deal found 10/9£749

Sat 18/1021:30STN - SJU

2 stops45h 35mMultiple Airlines

Sun 26/1021:40SJU - STN

1 stop12h 20mMultiple Airlines

Deal found 10/9£766

Sat 27/911:40STN - SJU

3 stops31h 37mMultiple Airlines

Wed 1/1006:44SJU - STN

3 stops22h 56mMultiple Airlines

Deal found 11/9£783

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 12 September 2025.

Sat 28/208:50STN - SJU

1 stop15h 05mMultiple Airlines

Sat 7/318:10SJU - STN

1 stop13h 20mMultiple Airlines

Deal found 10/9£523

Mon 2/308:05STN - SJU

1 stop15h 50mMultiple Airlines

Thu 12/321:25SJU - STN

1 stop12h 05mMultiple Airlines

Deal found 10/9£526

Tue 3/308:10STN - SJU

1 stop15h 45mMultiple Airlines

Thu 12/318:10SJU - STN

1 stop13h 20mMultiple Airlines

Deal found 10/9£577

Tue 3/308:10STN - SJU

1 stop15h 45mMultiple Airlines

Wed 11/321:25SJU - STN

1 stop12h 45mMultiple Airlines

Deal found 10/9£577

Mon 23/209:35STN - SJU

1 stop14h 20mMultiple Airlines

Mon 9/318:10SJU - STN

1 stop15h 55mMultiple Airlines

Deal found 11/9£672

Sun 26/1014:55STN - SJU

2 stops45h 30mMultiple Airlines

Sun 2/1121:40SJU - STN

1 stop30h 05mMultiple Airlines

Deal found 11/9£684

Sun 12/1011:40STN - SJU

2 stops17h 56mMultiple Airlines

Sun 19/1007:05SJU - STN

2 stops22h 35mMultiple Airlines

Deal found 12/9£690

Sat 21/208:50STN - SJU

1 stop15h 05mMultiple Airlines

Fri 6/321:25SJU - STN

1 stop12h 50mMultiple Airlines

Deal found 11/9£699

Sat 21/208:50STN - SJU

1 stop15h 05mMultiple Airlines

Sat 7/318:10SJU - STN

1 stop13h 20mMultiple Airlines

Deal found 11/9£701

Mon 3/1109:35STN - SJU

1 stop14h 20mMultiple Airlines

Fri 14/1118:30SJU - STN

2 stops17h 25mMultiple Airlines

Deal found 10/9£701

Sun 1/307:40STN - SJU

1 stop16h 15mMultiple Airlines

Wed 11/321:25SJU - STN

1 stop12h 45mMultiple Airlines

Deal found 10/9£711

Last-minute flights from Stansted to Puerto Rico
Discover last-minute flight deals from Stansted to Puerto Rico. Data last updated 12 September 2025 and is based on user searches.

Sat 13/911:40STN - SJU

3 stops31h 37mMultiple Airlines

Sat 20/906:44SJU - STN

3 stops22h 56mMultiple Airlines

Deal found 11/9£728

Sat 27/911:40STN - SJU

3 stops31h 37mMultiple Airlines

Wed 1/1006:44SJU - STN

3 stops22h 56mMultiple Airlines

Deal found 11/9£783

Mon 29/907:10STN - SJU

3 stops30h 15mMultiple Airlines

Mon 13/1018:15SJU - STN

2 stops22h 05mMultiple Airlines

Deal found 12/9£802

Sun 12/1011:40STN - SJU

2 stops17h 56mMultiple Airlines

Sun 19/1007:05SJU - STN

2 stops22h 35mMultiple Airlines

Deal found 12/9£690

Sat 18/1021:30STN - SJU

2 stops45h 35mMultiple Airlines

Sun 26/1021:40SJU - STN

1 stop12h 20mMultiple Airlines

Deal found 10/9£766

Tue 21/1008:05STN - SJU

2 stops36h 19mMultiple Airlines

Fri 31/1021:25SJU - STN

1 stop22h 45mMultiple Airlines

Deal found 11/9£738

Thu 23/1017:50STN - SJU

3 stops38h 01mMultiple Airlines

Thu 30/1013:00SJU - STN

2 stops21h 35mMultiple Airlines

Deal found 11/9£741

Sat 25/1006:25STN - SJU

1 stop13h 45mMultiple Airlines

Sat 1/1121:40SJU - STN

1 stop12h 50mMultiple Airlines

Deal found 10/9£749

Sun 26/1014:55STN - SJU

2 stops45h 30mMultiple Airlines

Sun 2/1121:40SJU - STN

1 stop30h 05mMultiple Airlines

Deal found 11/9£684

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 12 September 2025.

Thu 26/221:20STN - SJU

2 stops32h 22mMultiple Airlines

Deal found 11/9£287

Sat 4/1014:45STN - SJU

3 stops40h 13mMultiple Airlines

Deal found 10/9£338

Mon 23/208:05STN - SJU

1 stop15h 50mMultiple Airlines

Deal found 11/9£355

Fri 24/1015:20STN - SJU

2 stops53h 04mMultiple Airlines

Deal found 11/9£360

Sat 21/216:20STN - SJU

1 stop28h 15mMultiple Airlines

Deal found 11/9£378

Fri 10/1020:05STN - SJU

3 stops28h 30mMultiple Airlines

Deal found 10/9£380

Sun 22/207:40STN - SJU

1 stop16h 15mMultiple Airlines

Deal found 11/9£386

Fri 20/216:20STN - SJU

3 stops28h 19mMultiple Airlines

Deal found 11/9£392

Wed 8/1012:00STN - SJU

3 stops41h 36mMultiple Airlines

Deal found 10/9£396

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

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 28/2

08:50-19:55

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Sat 7/3

18:10-11:30

1 stop13h 20m

£523

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 2/3

08:05-19:55

1 stop15h 50m

San Juan Luis Munoz Marin Intl

Thu 12/3

21:25-13:30

1 stop12h 05m

£526

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 3/3

08:10-19:55

1 stop15h 45m

San Juan Luis Munoz Marin Intl

Thu 12/3

18:10-11:30

1 stop13h 20m

£577

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 3/3

08:10-19:55

1 stop15h 45m

San Juan Luis Munoz Marin Intl

Wed 11/3

21:25-14:10

1 stop12h 45m

£577

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 23/2

09:35-19:55

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Mon 9/3

18:10-14:05

1 stop15h 55m

£672

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 26/10

14:55-08:25

2 stops45h 30m

San Juan Luis Munoz Marin Intl

Sun 2/11

21:40-07:45

1 stop30h 05m

£684

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 12/10

11:40-00:36

2 stops17h 56m

San Juan Luis Munoz Marin Intl

Sun 19/10

07:05-10:40

2 stops22h 35m

£690

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 21/2

08:50-19:55

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Fri 6/3

21:25-14:15

1 stop12h 50m

£699

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 21/2

08:50-19:55

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Sat 7/3

18:10-11:30

1 stop13h 20m

£701

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 3/11

09:35-19:55

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Fri 14/11

18:30-15:55

2 stops17h 25m

£701

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 21 results

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.

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

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.
What is the cheapest month to book a flight from London Stansted Airport to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from London Stansted Airport to Puerto Rico (average of £631). Flying from London Stansted Airport to Puerto Rico in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Stansted to Puerto Rico

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Heathrow to George Town flights

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Gatwick to Nassau flights

Heathrow to Road Town flights

Heathrow to Simpson Bay flights

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Gatwick to Roseau flights

Heathrow to Basseterre flights

Stansted to Montego Bay flights

Stansted to Santo Domingo flights

London City to St. John's flights

London City to Santo Domingo flights

Gatwick to Road Town flights

Heathrow to Providenciales flights

Luton to Montego Bay flights

Gatwick to George Town flights

Heathrow to Havana flights

Direct flights to

Direct flights to Montego Bay

Direct flights to Bridgetown

Direct flights to Kingston

Direct flights to Punta Cana

Direct flights to Port of Spain

Direct flights to St. John's

Direct flights to St. George's

Direct flights to Kingstown

Direct flights to Nassau

Direct flights to Castries

Direct flights to George Town

Direct flights to Providenciales

Direct flights to Oranjestad

Direct flights to Basseterre

Direct flights to Scarborough

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

When you search for this flight from Stansted to Puerto Rico, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Puerto Rico from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Stansted to Puerto Rico and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London Stansted Airport to Puerto Rico from £287

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/2. 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

Keep the following information in mind while searching for Stansted to Puerto Rico flight deals. Data was last updated 12 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 12 September 2025.

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 12 September 2025.

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

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

Related info for your journey

Find useful and relevant information for your journey from Stansted to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from London Stansted Airport 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 12 September 2025.