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Cheap flights from London Stansted Airport to San Juan from £334

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 3/9. 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
08:45 - 19:30STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
15h 45m2 stops Madrid Barajas Punta Cana
Multiple Airlines Logo
21:35 - 14:50SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 15m1 stop Madrid Barajas
£623Multiple Airlines
Sat, 26 Sep - Sun, 25 Oct
Multiple Airlines Logo
05:55 - 15:25STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
14h 30m1 stop Madrid Barajas
Multiple Airlines Logo
20:50 - 15:30SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 40m1 stop Madrid Barajas
£655Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
06:00 - 15:25STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Multiple Airlines Logo
21:35 - 14:50SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 15m1 stop Madrid Barajas
£666Multiple Airlines
Thu, 1 Oct - Sun, 25 Oct
Multiple Airlines Logo
06:00 - 15:25STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Multiple Airlines Logo
21:35 - 14:50SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 15m1 stop Madrid Barajas
£666Multiple Airlines
Thu, 1 Oct - Sun, 25 Oct
Multiple Airlines Logo
10:05 - 11:35STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
29h 30m2 stops Barcelona-El Prat Bogotá El Dorado
Multiple Airlines Logo
21:35 - 13:40SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
12h 05m1 stop Madrid Barajas
£670Multiple Airlines
Wed, 27 Jan - Sat, 6 Feb
Multiple Airlines Logo
09:10 - 14:34STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
34h 24m2 stops Madrid Barajas Punta Cana
Multiple Airlines Logo
17:50 - 12:30SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 40m1 stop Madrid Barajas
£677Multiple Airlines
Tue, 13 Oct - Fri, 16 Oct
Multiple Airlines Logo
20:45 - 12:39STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
44h 54m2 stops Madrid Barajas Punta Cana
Multiple Airlines Logo
20:40 - 15:30SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 50m1 stop Madrid Barajas
£677Multiple Airlines
Mon, 31 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:45 - 02:13STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
34h 28m2 stops Madrid Barajas Miami
Multiple Airlines Logo
20:50 - 15:30SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 40m1 stop Madrid Barajas
£679Multiple Airlines
Mon, 21 Sep - Mon, 28 Sep
Multiple Airlines Logo
06:00 - 15:25STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Multiple Airlines Logo
18:10 - 11:55SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 45m1 stop Madrid Barajas
£681Multiple Airlines
Thu, 1 Oct - Wed, 28 Oct
Multiple Airlines Logo
21:55 - 02:13STN  London Stansted-SJU San Juan Luis Munoz Marin Intl
33h 18m2 stops Barcelona-El Prat Miami
Multiple Airlines Logo
18:10 - 11:55SJU  San Juan Luis Munoz Marin Intl-STN London Stansted
13h 45m1 stop Madrid Barajas
£686Multiple Airlines
Thu, 1 Oct - Wed, 28 Oct

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Turkish Airlines flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport

Our best Turkish Airlines deals on London Stansted Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Turkish Airlines
1 Oct
STN17:35London Stansted
49h 04m
2 stops
SJU13:39San Juan Luis Munoz Marin Intl
28 Oct
SJU06:00San Juan Luis Munoz Marin Intl
23h 55m
2 stops
STN09:55London Stansted
£1,010
Turkish Airlines
9 Oct
STN10:50London Stansted
29h 38m
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
£1,020
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
£1,021

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport 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 12 August 2026.
Use the filters below to find and compare flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 26/9

08:45-19:30

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Sun 25/10

21:35-14:50

1 stop13h 15m

£623

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 21/9

05:55-15:25

1 stop14h 30m

San Juan Luis Munoz Marin Intl

Mon 28/9

20:50-15:30

1 stop13h 40m

£655
Fastest return journey

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 1/10

06:00-15:25

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Sun 25/10

21:35-14:50

1 stop13h 15m

£666

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 1/10

06:00-15:25

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Sun 25/10

21:35-14:50

1 stop13h 15m

£666

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 27/1

10:05-11:35

2 stops29h 30m

San Juan Luis Munoz Marin Intl

Sat 6/2

21:35-13:40

1 stop12h 05m

£670

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 13/10

09:10-14:34

2 stops34h 24m

San Juan Luis Munoz Marin Intl

Fri 16/10

17:50-12:30

1 stop13h 40m

£677

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 31/8

20:45-12:39

2 stops44h 54m

San Juan Luis Munoz Marin Intl

Mon 7/9

20:40-15:30

1 stop13h 50m

£677

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 21/9

20:45-02:13

2 stops34h 28m

San Juan Luis Munoz Marin Intl

Mon 28/9

20:50-15:30

1 stop13h 40m

£679

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 1/10

06:00-15:25

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Wed 28/10

18:10-11:55

1 stop13h 45m

£681

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 1/10

21:55-02:13

2 stops33h 18m

San Juan Luis Munoz Marin Intl

Wed 28/10

18:10-11:55

1 stop13h 45m

£686

Flights are sorted by cheapest return flights first.

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

When to book flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Stansted Airport to San Juan Luis Munoz Marin Intl Airport (STN to SJU) flight deals and tips

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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport takes 13h 35m
There are no direct flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport

  • How far is London Stansted to San Juan Luis Munoz Marin Intl by plane?

    The distance between London Stansted and San Juan Luis Munoz Marin Intl is about 4211.9 mi. A reasonable flight in good conditions will take 13h 35m.

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

    Prices for flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

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

    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 Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport

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

    Search flight deals from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport. 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 Luis Munoz Marin Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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.

Travelling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Fajardo
Carolina
Dorado
Luquillo

Why use momondo?

Why should I use momondo to find a flight deal from London to San Juan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Juan for you.

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

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

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

Once all potential London to San Juan 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 San Juan right now. Can momondo alert me if prices change?

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

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