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Cheap flights from London Stansted Airport to Puerto Rico from £279

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SJU
10 May — 17 May1
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 10 April 2026.

Wed 15/421:30
STN
-
SJU
2 stops24h 40m
Multiple Airlines
Wed 22/417:25
SJU
-
STN
1 stop13h 05m
Multiple Airlines
Deal found 7/4£619
Thu 16/406:00
STN
-
SJU
2 stops40h 10m
Multiple Airlines
Wed 22/417:25
SJU
-
STN
1 stop13h 05m
Multiple Airlines
Deal found 6/4£643
Tue 2/609:10
STN
-
SJU
2 stops34h 24m
Multiple Airlines
Tue 9/616:30
SJU
-
STN
2 stops18h 30m
Multiple Airlines
Deal found 9/4£675
Thu 23/406:00
STN
-
SJU
3 stops47h 58m
Multiple Airlines
Tue 28/418:35
SJU
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 5/4£676
Mon 4/508:10
STN
-
SJU
2 stops32h 15m
Multiple Airlines
Sun 10/500:59
SJU
-
STN
3 stops32h 41m
Multiple Airlines
Deal found 6/4£686

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 10 April 2026.

Round-trip from

£675

One-way from

£279

Popular in

July

Cheapest in

February

Average price

£755
2/6-9/6
  • 2/6-9/6
  • 4 total stops
  • 52h 54m total
  • London to Puerto Rico
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 30h 15m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 10 April 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

Thu 23/4

06:00-00:58

3 stops47h 58m

San Juan Luis Munoz Marin Intl

Tue 28/4

18:35-21:00

2 stops21h 25m

£676

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 24/4

08:40-19:05

1 stop15h 25m

San Juan Luis Munoz Marin Intl

Fri 8/5

20:40-17:00

1 stop15h 20m

£777

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 2/6

15:55-22:42

3 stops35h 47m

San Juan Luis Munoz Marin Intl

Wed 10/6

18:35-20:20

2 stops20h 45m

£795
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 8/5

08:40-19:05

1 stop15h 25m

San Juan Luis Munoz Marin Intl

Mon 11/5

20:40-15:30

1 stop13h 50m

£866

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 25/5

20:45-14:34

2 stops46h 49m

San Juan Luis Munoz Marin Intl

Mon 1/6

17:25-12:05

1 stop13h 40m

£878

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 22/5

19:15-19:45

3 stops29h 30m

San Juan Luis Munoz Marin Intl

Sat 30/5

00:59-19:30

3 stops37h 31m

£924

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 19/6

06:55-00:54

2 stops22h 59m

San Juan Luis Munoz Marin Intl

Sat 27/6

21:30-09:55

2 stops31h 25m

£951

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 7/5

10:00-16:20

2 stops35h 20m

San Juan Luis Munoz Marin Intl

Thu 14/5

13:05-15:00

2 stops20h 55m

£952

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 8/6

10:50-09:08

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Wed 17/6

13:12-16:40

2 stops22h 28m

£956

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 3/5

06:55-02:39

2 stops24h 44m

San Juan Luis Munoz Marin Intl

Sat 9/5

12:00-16:40

2 stops23h 40m

£1,051

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.

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.
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Heathrow to Port of Spain flights
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London City to Castries flights
Heathrow to Santiago de los Caballeros flights
Stansted to Nassau flights
Gatwick to Port of Spain flights
Stansted to Port of Spain flights
Gatwick to Oranjestad flights
Heathrow to Castries flights
London City to Santo Domingo flights
Stansted to Santo Domingo flights
London City to Oranjestad flights
Heathrow to Simpson Bay flights
Gatwick to Kingstown flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Roseau flights

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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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