Find flights
When to book

Cheap flights from London Stansted Airport to Puerto Rico from £322

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SJU
14 Dec — 21 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 14 November 2025.

Fri 5/1208:05STN - SJU
1 stop15h 50mMultiple Airlines
Sun 14/1221:25SJU - STN
1 stop12h 35mMultiple Airlines
Deal found 13/11£743
Thu 11/1207:40STN - SJU
1 stop16h 15mMultiple Airlines
Mon 15/1221:25SJU - STN
1 stop18h 35mMultiple Airlines
Deal found 12/11£816
Fri 26/1217:05STN - SJU
3 stops35h 36mMultiple Airlines
Sun 11/117:50SJU - STN
2 stops21h 35mMultiple Airlines
Deal found 12/11£827
Fri 5/1208:05STN - SJU
1 stop15h 50mMultiple Airlines
Mon 15/1221:25SJU - STN
1 stop12h 40mMultiple Airlines
Deal found 13/11£846
Sun 23/1107:20STN - SJU
3 stops42h 30mMultiple Airlines
Sun 30/1116:45SJU - STN
3 stops23h 20mMultiple Airlines
Deal found 13/11£847
Fri 26/1217:05STN - SJU
3 stops35h 36mMultiple Airlines
Mon 19/111:52SJU - STN
2 stops20h 18mMultiple Airlines
Deal found 12/11£900
Sat 20/1221:00STN - SJU
2 stops55h 41mMultiple Airlines
Tue 27/118:10SJU - STN
1 stop13h 20mMultiple Airlines
Deal found 11/11£1,041
Wed 17/1207:40STN - SJU
3 stops45h 01mMultiple Airlines
Sun 28/1212:53SJU - STN
3 stops27h 22mMultiple Airlines
Deal found 11/11£1,071
Fri 19/1209:45STN - SJU
2 stops56h 24mMultiple Airlines
Mon 26/121:25SJU - STN
1 stop12h 40mMultiple Airlines
Deal found 11/11£1,095

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 14 November 2025.

Round-trip from

£626

One-way from

£322

Popular in

December

Cheapest in

September

Average price

£594
28/1-5/2
  • 28/1-5/2
  • 4 total stops
  • 45h 50m total
  • London to Puerto Rico
Search Deals
7/2
  • 7/2
  • 2 total stops
  • 28h 45m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£20 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 14 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

Wed 28/1

14:15-11:35

2 stops25h 20m

San Juan Luis Munoz Marin Intl

Thu 5/2

13:00-13:30

2 stops20h 30m

£626

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 28/2

18:35-17:05

2 stops26h 30m

San Juan Luis Munoz Marin Intl

Sun 8/3

18:30-19:30

2 stops21h 00m

£660

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 23/1

08:05-19:55

1 stop15h 50m

San Juan Luis Munoz Marin Intl

Sat 31/1

17:00-18:10

2 stops21h 10m

£674

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 9/2

08:05-11:35

2 stops31h 30m

San Juan Luis Munoz Marin Intl

Sun 22/2

18:30-16:15

2 stops17h 45m

£677

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 21/3

06:30-12:30

3 stops34h 00m

San Juan Luis Munoz Marin Intl

Thu 26/3

13:00-13:30

2 stops20h 30m

£746

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 7/3

18:35-16:35

1 stop26h 00m

San Juan Luis Munoz Marin Intl

Sat 14/3

13:00-11:30

2 stops18h 30m

£758

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 9/1

21:45-20:24

2 stops26h 39m

San Juan Luis Munoz Marin Intl

Sun 18/1

18:10-11:30

1 stop13h 20m

£807

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 11/12

07:40-19:55

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Mon 15/12

21:25-20:00

1 stop18h 35m

£816

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 7/2

16:20-17:05

2 stops28h 45m

£322

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 23/1

18:25-17:24

2 stops50h 59m

£324

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 13 results
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

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

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.