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Cheap flights from London Stansted Airport to San Juan from £287

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 San Juan departing on 23/9. 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

Find the cheapest flights from London Stansted Airport to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:10 - 15:42
STN
-
SJU
35h 32m
2 stops
Multiple Airlines Logo
18:10 - 11:55
SJU
-
STN
13h 45m
1 stop
£644Multiple Airlines
Tue, 13 Oct - Wed, 28 Oct
Multiple Airlines Logo
08:30 - 20:00
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
21:35 - 13:30
SJU
-
STN
11h 55m
1 stop
£657Multiple Airlines
Wed, 20 Jan - Thu, 28 Jan
Multiple Airlines Logo
06:00 - 16:40
STN
-
SJU
14h 40m
1 stop
Multiple Airlines Logo
21:35 - 14:50
SJU
-
STN
13h 15m
1 stop
£680Multiple Airlines
Fri, 22 Jan - Fri, 29 Jan
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
£684Multiple Airlines
Thu, 21 Jan - Thu, 28 Jan
Multiple Airlines Logo
15:25 - 19:30
STN
-
SJU
33h 05m
2 stops
Multiple Airlines Logo
17:50 - 12:30
SJU
-
STN
13h 40m
1 stop
£685Multiple Airlines
Fri, 4 Sep - Fri, 11 Sep
Multiple Airlines Logo
08:10 - 00:16
STN
-
SJU
21h 06m
2 stops
Multiple Airlines Logo
18:10 - 12:05
SJU
-
STN
13h 55m
1 stop
£688Multiple Airlines
Mon, 19 Oct - Tue, 27 Oct
Multiple Airlines Logo
18:55 - 17:10
STN
-
SJU
27h 15m
2 stops
Multiple Airlines Logo
16:30 - 16:00
SJU
-
STN
18h 30m
2 stops
£692Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
08:10 - 21:30
STN
-
SJU
18h 20m
2 stops
Multiple Airlines Logo
20:40 - 07:55
SJU
-
STN
30h 15m
1 stop
£695Multiple Airlines
Mon, 31 Aug - Mon, 14 Sep
Multiple Airlines Logo
06:10 - 20:00
STN
-
SJU
17h 50m
2 stops
Multiple Airlines Logo
21:35 - 23:10
SJU
-
STN
21h 35m
1 stop
£704Multiple Airlines
Sun, 22 Nov - Sat, 28 Nov
Multiple Airlines Logo
06:20 - 16:40
STN
-
SJU
14h 20m
1 stop
Multiple Airlines Logo
21:35 - 14:50
SJU
-
STN
13h 15m
1 stop
£706Multiple Airlines
Thu, 21 Jan - Fri, 29 Jan

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Turkish Airlines flights from London Stansted Airport to San Juan

Our best Turkish Airlines deals on London Stansted Airport to San Juan flight tickets
Turkish Airlines
9 Oct
STN17:35London Stansted
25h 14m
2 stops
SJU13:49San Juan Luis Munoz Marin Intl
19 Oct
SJU10:30San Juan Luis Munoz Marin Intl
25h 10m
2 stops
STN16:40London Stansted
£988
Turkish Airlines
19 Oct
STN10:50London Stansted
37h 52m
2 stops
SJU19:42San Juan Luis Munoz Marin Intl
27 Oct
SJU06:00San Juan Luis Munoz Marin Intl
23h 55m
2 stops
STN09:55London Stansted
£989
Turkish Airlines
2 Oct
STN10:50London Stansted
34h 22m
2 stops
SJU16:12San Juan Luis Munoz Marin Intl
10 Oct
SJU13:00San Juan Luis Munoz Marin Intl
22h 40m
2 stops
STN16:40London Stansted
£992

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to San Juan 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 2 August 2026.
Use the filters below to find and compare flights from London Stansted Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 13/10

09:10-15:42

2 stops35h 32m

San Juan Luis Munoz Marin Intl

Wed 28/10

18:10-11:55

1 stop13h 45m

£644
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 20/1

08:30-20:00

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Thu 28/1

21:35-13:30

1 stop11h 55m

£657

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 22/1

06:00-16:40

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Fri 29/1

21:35-14:50

1 stop13h 15m

£680

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 21/1

06:20-16:40

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Thu 28/1

21:35-14:45

1 stop13h 10m

£684

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 4/9

15:25-19:30

2 stops33h 05m

San Juan Luis Munoz Marin Intl

Fri 11/9

17:50-12:30

1 stop13h 40m

£685

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 19/10

08:10-00:16

2 stops21h 06m

San Juan Luis Munoz Marin Intl

Tue 27/10

18:10-12:05

1 stop13h 55m

£688

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 15/9

18:55-17:10

2 stops27h 15m

San Juan Luis Munoz Marin Intl

Tue 22/9

16:30-16:00

2 stops18h 30m

£692

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 31/8

08:10-21:30

2 stops18h 20m

San Juan Luis Munoz Marin Intl

Mon 14/9

20:40-07:55

1 stop30h 15m

£695

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Sun 22/11

06:10-20:00

2 stops17h 50m

San Juan Luis Munoz Marin Intl

Sat 28/11

21:35-23:10

1 stop21h 35m

£704

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 21/1

06:20-16:40

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Fri 29/1

21:35-14:50

1 stop13h 15m

£706

Flights are sorted by cheapest return flights first.

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

Cheap London Stansted Airport to San Juan flight deals and tips

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

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from London Stansted Airport to San Juan takes 14h 20m
There are no direct flights from London Stansted Airport to San Juan. There are no popular flight routes from London Stansted Airport to San Juan.
Search flight deals

Frequently asked questions about flying from London Stansted Airport to San Juan

  • How far is London Stansted to San Juan by plane?

    The distance between London Stansted and San Juan is about 4214.9 mi. Flights usually cover this in 14h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Stansted Airport to San Juan?

    Prices for flights from London Stansted Airport to San Juan were last updated today.

  • How old do you have to be to fly from London Stansted Airport to San Juan?

    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 San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan 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 San Juan. 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 San Juan

  • How do I get Price Alerts for flights from London Stansted Airport to San Juan?

    Search flight deals from London Stansted Airport to San Juan. 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 San Juan 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 San Juan?

Finding the right flight to San Juan 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 San Juan quick and easy, saving you time and money.

Can I find flights from London to San Juan with flexible booking policies on momondo?

All flight searches from London to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Juan?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Juan.

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

Of course. momondo tracks the price of London to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Luis Munoz Marin Intl Airport