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Cheap flights from London Stansted Airport to San Juan from £292

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 18/4. 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 San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:35 - 00:58
STN
-
SJU
36h 23m
2 stops
Multiple Airlines Logo
20:40 - 23:55
SJU
-
STN
22h 15m
1 stop
£546Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
09:10 - 17:10
STN
-
SJU
37h 00m
2 stops
Multiple Airlines Logo
20:40 - 16:00
SJU
-
STN
14h 20m
1 stop
£590Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
12:30 - 17:10
STN
-
SJU
33h 40m
2 stops
Multiple Airlines Logo
07:00 - 00:55
SJU
-
STN
36h 55m
3 stops
£598Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
09:10 - 19:05
STN
-
SJU
14h 55m
1 stop
Multiple Airlines Logo
17:25 - 11:40
SJU
-
STN
13h 15m
1 stop
£650Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
16:25 - 17:10
STN
-
SJU
29h 45m
2 stops
Multiple Airlines Logo
17:25 - 11:30
SJU
-
STN
13h 05m
1 stop
£666Multiple Airlines
Wed, 29 Apr - Wed, 6 May
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
£684Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
08:40 - 19:05
STN
-
SJU
15h 25m
1 stop
Multiple Airlines Logo
20:40 - 19:25
SJU
-
STN
17h 45m
1 stop
£689Multiple Airlines
Fri, 1 May - Fri, 8 May
Multiple Airlines Logo
21:30 - 11:25
STN
-
SJU
18h 55m
2 stops
Multiple Airlines Logo
10:25 - 16:50
SJU
-
STN
25h 25m
3 stops
£714Multiple Airlines
Wed, 15 Apr - Mon, 20 Apr
Multiple Airlines Logo
21:30 - 15:25
STN
-
SJU
22h 55m
1 stop
Multiple Airlines Logo
18:05 - 17:35
SJU
-
STN
18h 30m
2 stops
£715Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
Multiple Airlines Logo
18:55 - 17:10
STN
-
SJU
27h 15m
2 stops
Multiple Airlines Logo
17:25 - 11:40
SJU
-
STN
13h 15m
1 stop
£717Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr

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
29 Mar
STN10:50London Stansted
35h 33m
2 stops
SJU17:23San Juan Luis Munoz Marin Intl
10 Apr
SJU15:31San Juan Luis Munoz Marin Intl
25h 39m
2 stops
STN22:10London Stansted
£2,300
Turkish Airlines
29 Mar
STN17:35London Stansted
34h 16m
2 stops
SJU22:51San Juan Luis Munoz Marin Intl
10 Apr
SJU15:31San Juan Luis Munoz Marin Intl
25h 39m
2 stops
STN22:10London Stansted
£2,315

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 20 March 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 - SJU

STNSJU

London Stansted

Thu 16/4

17:35-00:58

2 stops36h 23m

San Juan Luis Munoz Marin Intl

Thu 23/4

20:40-23:55

1 stop22h 15m

£546

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 5/5

09:10-17:10

2 stops37h 00m

San Juan Luis Munoz Marin Intl

Tue 12/5

20:40-16:00

1 stop14h 20m

£590

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 14/4

12:30-17:10

2 stops33h 40m

San Juan Luis Munoz Marin Intl

Tue 21/4

07:00-00:55

3 stops36h 55m

£598
Fastest return journey

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 14/4

09:10-19:05

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Tue 21/4

17:25-11:40

1 stop13h 15m

£650

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 29/4

16:25-17:10

2 stops29h 45m

San Juan Luis Munoz Marin Intl

Wed 6/5

17:25-11:30

1 stop13h 05m

£666

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 16/4

06:00-15:55

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Thu 23/4

20:40-15:00

1 stop13h 20m

£684

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 1/5

08:40-19:05

1 stop15h 25m

San Juan Luis Munoz Marin Intl

Fri 8/5

20:40-19:25

1 stop17h 45m

£689

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 15/4

21:30-11:25

2 stops18h 55m

San Juan Luis Munoz Marin Intl

Mon 20/4

10:25-16:50

3 stops25h 25m

£714

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 16/9

21:30-15:25

1 stop22h 55m

San Juan Luis Munoz Marin Intl

Wed 23/9

18:05-17:35

2 stops18h 30m

£715

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 14/4

18:55-17:10

2 stops27h 15m

San Juan Luis Munoz Marin Intl

Tue 21/4

17:25-11:40

1 stop13h 15m

£717

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 50m

Direct flights

None
The fastest flight from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport takes 13h 50m
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

  • 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 50m.

  • 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.

  • 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
Carolina
Fajardo
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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