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Cheap flights from London Stansted Airport to Puerto Rico from £377

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SJU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Thu 11/1208:30STN - SJU
3 stops22h 47mMultiple Airlines
Sun 14/1216:45SJU - STN
2 stops22h 45mMultiple Airlines
Deal found 6/11£713
Thu 11/1207:40STN - SJU
1 stop16h 15mMultiple Airlines
Wed 17/1221:25SJU - STN
1 stop12h 45mMultiple Airlines
Deal found 5/11£764
Fri 21/1116:20STN - SJU
3 stops34h 19mMultiple Airlines
Sat 20/1218:09SJU - STN
2 stops25h 26mMultiple Airlines
Deal found 6/11£854
Thu 20/1121:20STN - SJU
2 stops40h 07mMultiple Airlines
Tue 25/1118:10SJU - STN
1 stop13h 20mMultiple Airlines
Deal found 6/11£859
Fri 12/1205:55STN - SJU
3 stops25h 53mMultiple Airlines
Wed 17/1216:45SJU - STN
2 stops22h 55mMultiple Airlines
Deal found 5/11£865
Sat 6/1208:50STN - SJU
1 stop15h 05mMultiple Airlines
Sat 13/1221:40SJU - STN
1 stop12h 50mMultiple Airlines
Deal found 6/11£868
Sat 13/1207:40STN - SJU
3 stops24h 08mMultiple Airlines
Wed 17/1216:45SJU - STN
2 stops22h 55mMultiple Airlines
Deal found 5/11£871
Sun 28/1207:40STN - SJU
2 stops45h 01mMultiple Airlines
Fri 9/121:25SJU - STN
1 stop12h 50mMultiple Airlines
Deal found 6/11£882
Wed 3/1205:55STN - SJU
2 stops25h 53mMultiple Airlines
Thu 18/1221:40SJU - STN
1 stop12h 55mMultiple Airlines
Deal found 7/11£939
Thu 4/1207:40STN - SJU
2 stops24h 08mMultiple Airlines
Mon 15/1221:25SJU - STN
1 stop12h 40mMultiple Airlines
Deal found 7/11£945

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 7 November 2025.

Round-trip from

£713

One-way from

£377

Popular in

July

Cheapest in

September

Average price

£595
11/12-14/12
  • 11/12-14/12
  • 5 total stops
  • 45h 32m total
  • London to Puerto Rico
Search Deals
15/11
  • 15/11
  • 3 total stops
  • 34h 37m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 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 November 2025
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 7 November 2025.
Use the filters below to find and compare flights from London Stansted Airport to Puerto Rico that are best for you.

Fly from

Stansted

Fly to

Puerto Rico

Route

Depart

Return

Price

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 11/12

08:30-03:17

3 stops22h 47m

San Juan Luis Munoz Marin Intl

Sun 14/12

16:45-19:30

2 stops22h 45m

£713

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 29/3

21:10-11:55

3 stops43h 45m

San Juan Luis Munoz Marin Intl

Tue 7/4

13:15-17:25

2 stops23h 10m

£719

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 29/1

07:40-19:55

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Sun 1/2

18:10-11:30

1 stop13h 20m

£735

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 11/12

07:40-19:55

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Wed 17/12

21:25-14:10

1 stop12h 45m

£764

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 21/11

16:20-22:39

3 stops34h 19m

San Juan Luis Munoz Marin Intl

Sat 20/12

18:09-23:35

2 stops25h 26m

£854

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 12/12

05:55-03:48

3 stops25h 53m

San Juan Luis Munoz Marin Intl

Wed 17/12

16:45-19:40

2 stops22h 55m

£865

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 6/12

08:50-19:55

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Sat 13/12

21:40-14:30

1 stop12h 50m

£868

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 13/12

07:40-03:48

3 stops24h 08m

San Juan Luis Munoz Marin Intl

Wed 17/12

16:45-19:40

2 stops22h 55m

£871

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 28/12

07:40-00:41

2 stops45h 01m

San Juan Luis Munoz Marin Intl

Fri 9/1

21:25-14:15

1 stop12h 50m

£882

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 15/11

18:55-01:32

3 stops34h 37m

£377

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 14 results
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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.

  • 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.

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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.
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Gatwick to Basseterre flights
Luton to Punta Cana flights
Gatwick to Nassau flights
Gatwick to Havana flights
London City to Castries flights
Heathrow to Pointe-à-Pitre flights
Luton to Montego Bay flights
London City to Santo Domingo flights
Stansted to Montego Bay flights
London City to Luis Munoz Marin Intl flights
Heathrow to Providenciales flights
Gatwick to Road Town flights
London City to Pointe-à-Pitre flights
Gatwick to Simpson Bay flights
Stansted to Kingston flights

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