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Cheap flights from London Stansted Airport to San Juan from £389

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 10/10. 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 San Juan

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 - 14:50
SJU
-
STN
13h 15m
1 stop
£482Multiple Airlines
Wed, 4 Nov - Sun, 15 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
£638Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
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
£655Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
Multiple Airlines Logo
09:10 - 22:29
STN
-
SJU
18h 19m
2 stops
Multiple Airlines Logo
20:25 - 23:55
SJU
-
STN
22h 30m
1 stop
£689Multiple Airlines
Tue, 7 Jul - Thu, 16 Jul
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
£700Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
Multiple Airlines Logo
06:55 - 16:40
STN
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
21:35 - 13:40
SJU
-
STN
12h 05m
1 stop
£756Multiple Airlines
Mon, 16 Nov - Sat, 28 Nov
Multiple Airlines Logo
14:25 - 16:40
STN
-
SJU
30h 15m
2 stops
Multiple Airlines Logo
18:10 - 11:30
SJU
-
STN
13h 20m
1 stop
£792Multiple Airlines
Wed, 11 Nov - Fri, 20 Nov
Multiple Airlines Logo
08:30 - 20:00
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
18:10 - 11:30
SJU
-
STN
13h 20m
1 stop
£799Multiple Airlines
Wed, 11 Nov - Fri, 20 Nov
Multiple Airlines Logo
08:30 - 20:00
STN
-
SJU
15h 30m
1 stop
Multiple Airlines Logo
21:35 - 18:40
SJU
-
STN
17h 05m
1 stop
£809Multiple Airlines
Wed, 18 Nov - Wed, 25 Nov
Multiple Airlines Logo
20:40 - 16:40
STN
-
SJU
24h 00m
1 stop
Multiple Airlines Logo
15:35 - 14:10
SJU
-
STN
18h 35m
2 stops
£810Multiple Airlines
Mon, 16 Nov - Sat, 28 Nov

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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
16 Nov
STN10:55London Stansted
42h 48m
2 stops
SJU01:43San Juan Luis Munoz Marin Intl
21 Nov
SJU05:30San Juan Luis Munoz Marin Intl
24h 25m
2 stops
STN09:55London Stansted
£988
Turkish Airlines
9 Oct
STN17:35London Stansted
22h 53m
2 stops
SJU11:28San Juan Luis Munoz Marin Intl
19 Oct
SJU10:30San Juan Luis Munoz Marin Intl
25h 10m
2 stops
STN16:40London Stansted
£1,009
Turkish Airlines
5 Jul
STN06:40London Stansted
22h 33m
2 stops
SJU00:13San Juan Luis Munoz Marin Intl
16 Jul
SJU07:55San Juan Luis Munoz Marin Intl
27h 45m
2 stops
STN16:40London Stansted
£1,261

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 16 June 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

Wed 4/11

08:30-20:00

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Sun 15/11

21:35-14:50

1 stop13h 15m

£482

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

£638

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

£655

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 7/7

09:10-22:29

2 stops18h 19m

San Juan Luis Munoz Marin Intl

Thu 16/7

20:25-23:55

1 stop22h 30m

£689

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

£700
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 16/11

06:55-16:40

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Sat 28/11

21:35-13:40

1 stop12h 05m

£756

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 11/11

14:25-16:40

2 stops30h 15m

San Juan Luis Munoz Marin Intl

Fri 20/11

18:10-11:30

1 stop13h 20m

£792

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 11/11

08:30-20:00

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Fri 20/11

18:10-11:30

1 stop13h 20m

£799

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 18/11

08:30-20:00

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Wed 25/11

21:35-18:40

1 stop17h 05m

£809

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 16/11

20:40-16:40

1 stop24h 00m

San Juan Luis Munoz Marin Intl

Sat 28/11

15:35-14:10

2 stops18h 35m

£810

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 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

12h 50m

Direct flights

None
The fastest flight from London Stansted Airport to San Juan takes 12h 50m
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 12h 50m, 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