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Cheap flights from London Stansted Airport to Puerto Rico from £337

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 15/5. 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
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
08:20 - 18:50
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
20:40 - 20:20
SJU
-
STN
18h 40m
1 stop
£650Multiple Airlines
Wed, 3 Jun - Wed, 10 Jun
Multiple Airlines Logo
06:00 - 15:55
STN
-
SJU
14h 55m
1 stop
Multiple Airlines Logo
20:40 - 15:00
SJU
-
STN
13h 20m
1 stop
£651Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
10:00 - 18:50
STN
-
SJU
13h 50m
1 stop
Multiple Airlines Logo
17:15 - 12:05
SJU
-
STN
13h 50m
1 stop
£701Multiple Airlines
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:20 - 18:50
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
20:25 - 21:00
SJU
-
STN
19h 35m
1 stop
£712Multiple Airlines
Wed, 26 Aug - Tue, 1 Sep
Multiple Airlines Logo
10:00 - 18:50
STN
-
SJU
13h 50m
1 stop
Multiple Airlines Logo
17:15 - 11:20
SJU
-
STN
13h 05m
1 stop
£721Multiple Airlines
Thu, 15 Oct - Sun, 18 Oct
Multiple Airlines Logo
05:55 - 15:55
STN
-
SJU
15h 00m
1 stop
Multiple Airlines Logo
17:25 - 12:05
SJU
-
STN
13h 40m
1 stop
£722Multiple Airlines
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
07:35 - 17:26
STN
-
SJU
38h 51m
2 stops
Multiple Airlines Logo
20:40 - 15:00
SJU
-
STN
13h 20m
1 stop
£736Multiple Airlines
Fri, 15 May - Thu, 21 May
Multiple Airlines Logo
07:35 - 17:26
STN
-
SJU
38h 51m
2 stops
Multiple Airlines Logo
20:40 - 15:30
SJU
-
STN
13h 50m
1 stop
£749Multiple Airlines
Fri, 15 May - Mon, 18 May
Multiple Airlines Logo
20:00 - 15:25
STN
-
SJU
24h 25m
1 stop
Multiple Airlines Logo
10:30 - 07:50
SJU
-
STN
16h 20m
2 stops
£757Multiple Airlines
Sun, 20 Sep - Tue, 6 Oct
Multiple Airlines Logo
08:40 - 18:50
STN
-
SJU
15h 10m
1 stop
Multiple Airlines Logo
17:15 - 12:05
SJU
-
STN
13h 50m
1 stop
£770Multiple Airlines
Fri, 16 Oct - Mon, 19 Oct

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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
11 May
STN10:50London Stansted
28h 34m
2 stops
SJU10:24San Juan Luis Munoz Marin Intl
23 May
SJU06:30San Juan Luis Munoz Marin Intl
22h 25m
2 stops
STN09:55London Stansted
£990
Turkish Airlines
8 May
STN06:55London Stansted
24h 46m
2 stops
SJU02:41San Juan Luis Munoz Marin Intl
13 May
SJU14:35San Juan Luis Munoz Marin Intl
26h 35m
2 stops
STN22:10London Stansted
£1,239
Turkish Airlines
8 May
STN06:55London Stansted
22h 15m
2 stops
SJU00:10San Juan Luis Munoz Marin Intl
13 May
SJU14:35San Juan Luis Munoz Marin Intl
26h 35m
2 stops
STN22:10London Stansted
£1,286

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 1 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

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 3/6

08:20-18:50

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Wed 10/6

20:40-20:20

1 stop18h 40m

£650

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 28/5

06:00-15:55

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Thu 4/6

20:40-15:00

1 stop13h 20m

£651

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 15/10

10:00-18:50

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Mon 19/10

17:15-12:05

1 stop13h 50m

£701

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 26/8

08:20-18:50

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Tue 1/9

20:25-21:00

1 stop19h 35m

£712
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 15/10

10:00-18:50

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Sun 18/10

17:15-11:20

1 stop13h 05m

£721

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 18/5

05:55-15:55

1 stop15h 00m

San Juan Luis Munoz Marin Intl

Mon 25/5

17:25-12:05

1 stop13h 40m

£722

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 15/5

07:35-17:26

2 stops38h 51m

San Juan Luis Munoz Marin Intl

Thu 21/5

20:40-15:00

1 stop13h 20m

£736

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 15/5

07:35-17:26

2 stops38h 51m

San Juan Luis Munoz Marin Intl

Mon 18/5

20:40-15:30

1 stop13h 50m

£749

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 20/9

20:00-15:25

1 stop24h 25m

San Juan Luis Munoz Marin Intl

Tue 6/10

10:30-07:50

2 stops16h 20m

£757

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 16/10

08:40-18:50

1 stop15h 10m

San Juan Luis Munoz Marin Intl

Mon 19/10

17:15-12:05

1 stop13h 50m

£770

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

13h 50m

Direct flights

None
The fastest flight from London Stansted Airport to Puerto Rico takes 13h 50m
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.

An easier way to manage your Puerto Rico trip

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