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Cheap flights from London Stansted Airport to Puerto Rico from £301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Puerto Rico departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from London Stansted Airport to Puerto Rico

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:30 - 20:00
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
21:35 - 16:50
SJU
-
STN
15h 15m
1 stop
£617Multiple Airlines
Wed, 4 Nov - Thu, 12 Nov
Multiple Airlines Logo
08:20 - 14:58
STN
-
SJU
34h 38m
2 stops
Multiple Airlines Logo
18:10 - 12:05
SJU
-
STN
13h 55m
1 stop
£639Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
Multiple Airlines Logo
09:10 - 14:34
STN
-
SJU
34h 24m
2 stops
Multiple Airlines Logo
17:15 - 11:40
SJU
-
STN
13h 25m
1 stop
£641Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Multiple Airlines Logo
08:45 - 18:20
STN
-
SJU
14h 35m
1 stop
Multiple Airlines Logo
20:05 - 15:15
SJU
-
STN
14h 10m
1 stop
£656Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
Multiple Airlines Logo
16:25 - 18:50
STN
-
SJU
31h 25m
1 stop
Multiple Airlines Logo
18:10 - 15:40
SJU
-
STN
17h 30m
1 stop
£684Multiple Airlines
Wed, 14 Oct - Wed, 28 Oct
Multiple Airlines Logo
19:50 - 16:40
STN
-
SJU
24h 50m
1 stop
Multiple Airlines Logo
18:10 - 12:05
SJU
-
STN
13h 55m
1 stop
£701Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
Multiple Airlines Logo
16:25 - 15:25
STN
-
SJU
28h 00m
1 stop
Multiple Airlines Logo
18:10 - 18:30
SJU
-
STN
20h 20m
2 stops
£710Multiple Airlines
Wed, 14 Oct - Wed, 28 Oct
Multiple Airlines Logo
21:30 - 15:25
STN
-
SJU
22h 55m
1 stop
Multiple Airlines Logo
20:25 - 08:20
SJU
-
STN
30h 55m
1 stop
£728Multiple Airlines
Wed, 7 Oct - Thu, 15 Oct
Multiple Airlines Logo
08:45 - 18:45
STN
-
SJU
15h 00m
1 stop
Multiple Airlines Logo
15:10 - 12:55
SJU
-
STN
16h 45m
2 stops
£752Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
Multiple Airlines Logo
06:20 - 16:40
STN
-
SJU
14h 20m
1 stop
Multiple Airlines Logo
21:35 - 14:45
SJU
-
STN
13h 10m
1 stop
£758Multiple Airlines
Thu, 12 Nov - Thu, 19 Nov

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Turkish Airlines flights from London Stansted Airport to Puerto Rico

Our best Turkish Airlines deals on London Stansted Airport to Puerto Rico flight tickets
Turkish Airlines
21 Sept
STN10:50London Stansted
37h 42m
2 stops
SJU19:32San Juan Luis Munoz Marin Intl
30 Sept
SJU10:30San Juan Luis Munoz Marin Intl
30h 40m
2 stops
STN22:10London Stansted
£990
Turkish Airlines
13 Oct
STN17:35London Stansted
31h 07m
2 stops
SJU19:42San Juan Luis Munoz Marin Intl
20 Oct
SJU06:00San Juan Luis Munoz Marin Intl
22h 55m
2 stops
STN09:55London Stansted
£1,006
Turkish Airlines
4 Nov
STN10:55London Stansted
61h 50m
2 stops
SJU20:45San Juan Luis Munoz Marin Intl
12 Nov
SJU11:45San Juan Luis Munoz Marin Intl
42h 10m
2 stops
STN09:55London Stansted
£1,101

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 13 June 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

Wed 4/11

08:30-20:00

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Thu 12/11

21:35-16:50

1 stop15h 15m

£617

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 3/11

08:20-14:58

2 stops34h 38m

San Juan Luis Munoz Marin Intl

Tue 17/11

18:10-12:05

1 stop13h 55m

£639

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 13/10

09:10-14:34

2 stops34h 24m

San Juan Luis Munoz Marin Intl

Tue 20/10

17:15-11:40

1 stop13h 25m

£641

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 10/10

08:45-18:20

1 stop14h 35m

San Juan Luis Munoz Marin Intl

Sat 17/10

20:05-15:15

1 stop14h 10m

£656

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 14/10

16:25-18:50

1 stop31h 25m

San Juan Luis Munoz Marin Intl

Wed 28/10

18:10-15:40

1 stop17h 30m

£684

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 3/11

19:50-16:40

1 stop24h 50m

San Juan Luis Munoz Marin Intl

Tue 17/11

18:10-12:05

1 stop13h 55m

£701

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 14/10

16:25-15:25

1 stop28h 00m

San Juan Luis Munoz Marin Intl

Wed 28/10

18:10-18:30

2 stops20h 20m

£710

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 7/10

21:30-15:25

1 stop22h 55m

San Juan Luis Munoz Marin Intl

Thu 15/10

20:25-08:20

1 stop30h 55m

£728

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sat 5/9

08:45-18:45

1 stop15h 00m

San Juan Luis Munoz Marin Intl

Sat 19/9

15:10-12:55

2 stops16h 45m

£752
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 12/11

06:20-16:40

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Thu 19/11

21:35-14:45

1 stop13h 10m

£758

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheap London Stansted Airport to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Puerto Rico

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from London Stansted Airport to Puerto Rico takes 14h 25m
There are no direct flights from London Stansted Airport to Puerto Rico. There are no popular flight routes from London Stansted Airport to Puerto Rico.
Search flight deals

Frequently asked questions about flying from London Stansted Airport to Puerto Rico

  • When did momondo last update prices for flights from London Stansted Airport to Puerto Rico?

    Prices for flights from London Stansted Airport to Puerto Rico were last updated today.

  • How old do you have to be to fly from London Stansted Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Stansted Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from London Stansted Airport to Puerto Rico

  • How do I get Price Alerts for flights from London Stansted Airport to Puerto Rico?

    Search flight deals from London Stansted Airport to Puerto Rico. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from London Stansted Airport to Puerto Rico with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from London to Puerto Rico?

Finding the right flight to Puerto Rico from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from London to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Puerto Rico?

Once all potential London to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Puerto Rico right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from London and alert you when they change.

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