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Cheap flights from London Stansted Airport to Puerto Rico from £387

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SJU
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Puerto Rico

Enter your travel dates to find the best prices.

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 27 July 2026.

Thu 29/1006:20
STN
-
SJU
1 stop14h 20m
Multiple Airlines
Sat 7/1121:35
SJU
-
STN
1 stop12h 05m
Multiple Airlines
Deal found 25/7£611
Tue 8/909:10
STN
-
SJU
1 stop14h 20m
Multiple Airlines
Tue 15/917:15
SJU
-
STN
1 stop13h 25m
Multiple Airlines
Deal found 25/7£617
Mon 2/1109:15
STN
-
SJU
1 stop14h 45m
Multiple Airlines
Mon 16/1121:35
SJU
-
STN
1 stop17h 50m
Multiple Airlines
Deal found 26/7£630
Sat 5/908:45
STN
-
SJU
2 stops15h 45m
Multiple Airlines
Tue 15/917:15
SJU
-
STN
1 stop13h 25m
Multiple Airlines
Deal found 25/7£658
Mon 7/905:55
STN
-
SJU
1 stop14h 30m
Multiple Airlines
Mon 14/917:15
SJU
-
STN
1 stop13h 50m
Multiple Airlines
Deal found 24/7£687
Fri 20/1105:55
STN
-
SJU
1 stop14h 45m
Multiple Airlines
Fri 27/1118:10
SJU
-
STN
1 stop13h 20m
Multiple Airlines
Deal found 23/7£701
Thu 3/906:00
STN
-
SJU
2 stops20h 30m
Multiple Airlines
Thu 10/920:25
SJU
-
STN
1 stop22h 30m
Multiple Airlines
Deal found 22/7£711

Find 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 27 July 2026.

Round-trip from

£601

One-way from

£387

Popular in

December

Cheapest in

February

Average price

£909
18/1-28/1
  • 18/1-28/1
  • 2 total stops
  • 26h 40m total
  • London to Puerto Rico
Search Deals
28/8
  • 28/8
  • 2 total stops
  • 35h 35m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 July 2026.
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 - SJU

STNSJU

London Stansted

Tue 15/9

17:35-19:34

2 stops30h 59m

San Juan Luis Munoz Marin Intl

Tue 22/9

06:00-09:55

2 stops22h 55m

£1,000
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 9/10

17:35-15:56

2 stops27h 21m

San Juan Luis Munoz Marin Intl

Mon 19/10

13:00-16:40

2 stops22h 40m

£1,001

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 9/10

10:50-11:28

2 stops29h 38m

San Juan Luis Munoz Marin Intl

Mon 19/10

10:30-16:40

2 stops25h 10m

£1,003

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 7/1

17:20-19:26

2 stops30h 06m

San Juan Luis Munoz Marin Intl

Thu 21/1

06:05-09:55

2 stops23h 50m

£1,130

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 7/1

17:20-19:26

2 stops30h 06m

San Juan Luis Munoz Marin Intl

Thu 21/1

14:20-16:20

2 stops22h 00m

£1,141

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 11/9

17:35-13:34

2 stops24h 59m

San Juan Luis Munoz Marin Intl

Sun 13/9

15:00-22:10

2 stops26h 10m

£1,196

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 26/10

10:55-13:03

2 stops30h 08m

San Juan Luis Munoz Marin Intl

Sun 1/11

07:00-09:55

2 stops22h 55m

£1,217

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 8/9

17:35-19:34

2 stops30h 59m

San Juan Luis Munoz Marin Intl

Tue 15/9

10:30-16:50

2 stops25h 20m

£1,332

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 31/12

10:55-11:44

2 stops28h 49m

San Juan Luis Munoz Marin Intl

Tue 12/1

06:05-09:55

2 stops23h 50m

£1,377
Cheapest one-way

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 12/8

22:45-22:29

3 stops28h 44m

£395

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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

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.

  • How long is the flight from London Stansted Airport to Puerto Rico?

    There are many flights that can get you from London Stansted Airport to Puerto Rico in 29h 38m. Fly via Turkish Airlines to get the fastest option. London Stansted Airport and Puerto Rico are separated by a distance of 4212 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Bridgetown flights
Heathrow to Montego Bay flights
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London City to Montego Bay flights
Gatwick to Punta Cana flights
London City to Bridgetown flights
Stansted to Punta Cana flights
Heathrow to Port of Spain flights
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Heathrow to St. George's flights
London City to Kingston flights
Gatwick to Kingston flights
Gatwick to Port of Spain flights
Heathrow to Castries flights
Gatwick to Castries flights
London City to Punta Cana flights
Luton to Montego Bay flights
Gatwick to St. John's flights
Luton to Punta Cana flights
Gatwick to Montego Bay flights
Stansted to Kingston flights
Heathrow to St. John's flights
Heathrow to Kingstown flights
Gatwick to St. George's flights
Heathrow to Castries flights
Heathrow to Santo Domingo flights
Stansted to Port of Spain flights
Heathrow to George Town flights
Gatwick to Castries flights
Heathrow to Oranjestad flights
Heathrow to Luis Munoz Marin Intl flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Santo Domingo flights
Heathrow to Willemstad flights
Gatwick to Havana flights
Gatwick to Willemstad flights
London City to Castries flights
Gatwick to Nassau flights
Stansted to Luis Munoz Marin Intl flights
Gatwick to Oranjestad flights
Gatwick to Basseterre flights
Stansted to Santo Domingo flights
Gatwick to George Town flights
London City to Oranjestad flights

Fly with Cheapflights

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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?

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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.

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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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