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Cheap flights from London Stansted Airport to Puerto Rico from £341

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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SJU
28 Jun — 5 Jul1
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 29 May 2026.

Mon 14/905:55
STN
-
SJU
1 stop17h 55m
Multiple Airlines
Mon 21/920:25
SJU
-
STN
1 stop14h 05m
Multiple Airlines
Deal found 23/5£675
Thu 17/906:00
STN
-
SJU
1 stop14h 25m
Multiple Airlines
Mon 21/920:25
SJU
-
STN
1 stop14h 05m
Multiple Airlines
Deal found 23/5£679
Tue 23/609:10
STN
-
SJU
1 stop14h 40m
Multiple Airlines
Tue 30/617:15
SJU
-
STN
1 stop13h 25m
Multiple Airlines
Deal found 26/5£682
Wed 16/921:30
STN
-
SJU
1 stop22h 55m
Multiple Airlines
Mon 28/917:15
SJU
-
STN
1 stop13h 50m
Multiple Airlines
Deal found 26/5£687
Tue 17/1108:20
STN
-
SJU
1 stop15h 40m
Multiple Airlines
Thu 26/1121:35
SJU
-
STN
1 stop18h 45m
Multiple Airlines
Deal found 27/5£702
Thu 15/1006:00
STN
-
SJU
1 stop14h 25m
Multiple Airlines
Sun 25/1018:10
SJU
-
STN
1 stop14h 20m
Multiple Airlines
Deal found 27/5£704
Mon 14/905:55
STN
-
SJU
1 stop17h 55m
Multiple Airlines
Wed 23/917:15
SJU
-
STN
1 stop13h 15m
Multiple Airlines
Deal found 23/5£708
Mon 16/1106:55
STN
-
SJU
1 stop17h 05m
Multiple Airlines
Thu 26/1118:10
SJU
-
STN
1 stop13h 20m
Multiple Airlines
Deal found 27/5£709
Thu 17/906:00
STN
-
SJU
1 stop14h 25m
Multiple Airlines
Wed 23/917:15
SJU
-
STN
1 stop13h 15m
Multiple Airlines
Deal found 23/5£712
Mon 14/908:10
STN
-
SJU
1 stop15h 40m
Multiple Airlines
Fri 18/917:15
SJU
-
STN
1 stop14h 15m
Multiple Airlines
Deal found 23/5£728
Thu 19/1106:20
STN
-
SJU
1 stop14h 20m
Multiple Airlines
Sun 29/1121:35
SJU
-
STN
1 stop13h 15m
Multiple Airlines
Deal found 27/5£729
Mon 14/908:10
STN
-
SJU
1 stop15h 40m
Multiple Airlines
Thu 24/917:15
SJU
-
STN
1 stop12h 55m
Multiple Airlines
Deal found 23/5£732

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 29 May 2026.

Round-trip from

£675

One-way from

£341

Popular in

December

Cheapest in

February

Average price

£585
14/9-21/9
  • 14/9-21/9
  • 2 total stops
  • 32h 00m total
  • London to Puerto Rico
Search Deals
23/8
  • 23/8
  • 3 total stops
  • 46h 58m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£38 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 May 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 29 May 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
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 14/9

05:55-18:50

1 stop17h 55m

San Juan Luis Munoz Marin Intl

Mon 21/9

20:25-15:30

1 stop14h 05m

£675

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 23/6

12:30-22:27

2 stops38h 57m

San Juan Luis Munoz Marin Intl

Tue 30/6

17:15-21:00

1 stop22h 45m

£873

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 18/7

08:45-19:30

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Mon 27/7

17:15-15:30

1 stop17h 15m

£882

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 29/6

20:45-22:27

2 stops30h 42m

San Juan Luis Munoz Marin Intl

Sun 5/7

17:15-11:20

1 stop13h 05m

£996

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 29/8

20:35-16:39

3 stops25h 04m

San Juan Luis Munoz Marin Intl

Sat 12/9

18:09-15:15

2 stops16h 06m

£1,003

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

10:30-16:40

2 stops25h 10m

£1,137

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 15/8

08:45-19:05

1 stop15h 20m

San Juan Luis Munoz Marin Intl

Sun 23/8

17:15-16:50

1 stop18h 35m

£1,149

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 5/7

07:35-21:35

2 stops43h 00m

San Juan Luis Munoz Marin Intl

Thu 16/7

20:25-15:00

1 stop13h 35m

£1,331

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 7/7

06:55-00:13

2 stops22h 18m

San Juan Luis Munoz Marin Intl

Wed 15/7

15:24-22:10

2 stops25h 46m

£1,382

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 30/10

10:55-13:41

2 stops30h 46m

San Juan Luis Munoz Marin Intl

Sun 8/11

07:00-09:55

2 stops22h 55m

£1,407

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 19 resultsSorted by cheapest first
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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.

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
Heathrow to Kingston flights
Gatwick to Bridgetown flights
Heathrow to Punta Cana flights
Stansted to Bridgetown flights
Gatwick to Punta Cana flights
London City to Montego Bay flights
Stansted to Kingston flights
Gatwick to Kingston flights
Stansted to Punta Cana flights
Heathrow to Nassau flights
Stansted to Montego Bay flights
Luton to Montego Bay flights
London City to Kingston flights
Heathrow to Castries flights
Luton to Punta Cana flights
Gatwick to Castries flights
London City to Punta Cana flights
Heathrow to Port of Spain flights
London City to Bridgetown flights
Heathrow to St. George's flights
Heathrow to Castries flights
Heathrow to Santo Domingo flights
Heathrow to Roseau flights
Gatwick to Nassau flights
Gatwick to Havana flights
Gatwick to Willemstad flights
Heathrow to St. John's flights
Gatwick to Montego Bay flights
Gatwick to Santo Domingo flights
Gatwick to St. George's flights
Stansted to Nassau flights
Stansted to Port of Spain flights
Heathrow to Luis Munoz Marin Intl flights
Gatwick to Castries flights
Gatwick to St. John's flights
Heathrow to Willemstad flights
Stansted to Santo Domingo flights
Gatwick to Port of Spain flights
Gatwick to Luis Munoz Marin Intl flights
London City to Santo Domingo flights
Heathrow to Kingstown flights
London City to Nassau flights
Heathrow to George Town flights
London City to Castries flights
Heathrow to Havana flights
Stansted to Luis Munoz Marin Intl flights

Fly with Cheapflights

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

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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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