In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 55.0 mm.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

What is the cheapest time of day to fly from STN to SJU?

When flying from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Stansted to Luis Munoz Marin Intl that include hotel bookings?

Yes. In addition to deals on Stansted to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to Luis Munoz Marin Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Luis Munoz Marin Intl.

Can I find deals for business class flights from Stansted to Luis Munoz Marin Intl?

Yes. Cheapflights offers flight deals from Stansted to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£348+ Cheap Flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport

Cheap flight deals from Stansted to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Stansted to Luis Munoz Marin Intl
Explore the most affordable flight options available from Stansted to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Thu 5/1114:50 -

2 stops25h 46m

Sun 15/1121:35 -

1 stop30h 20m

Deal found 8/9£525

Tue 3/1108:10 -

2 stops15h 50m

Mon 9/1121:35 -

1 stop17h 50m

Deal found 3/9£669

Thu 10/1208:05 -

2 stops15h 55m

Mon 1/221:30 -

1 stop14h 30m

Deal found 4/9£675

Mon 19/1010:00 -

2 stops34h 00m

Mon 26/1021:35 -

1 stop14h 25m

Deal found 4/9£743

Fri 6/1106:00 -

1 stop14h 40m

Sun 15/1118:09 -

2 stops33h 46m

Deal found 4/9£767

Mon 30/1109:15 -

2 stops28h 04m

Wed 16/1218:10 -

1 stop13h 45m

Deal found 7/9£780

Fri 16/1018:25 -

2 stops30h 05m

Fri 30/1021:35 -

1 stop22h 15m

Deal found 6/9£788

Sat 10/1008:45 -

2 stops15h 45m

Sat 24/1018:15 -

1 stop13h 10m

Deal found 7/9£805

Find flight deals from Stansted to Luis Munoz Marin Intl

Round-trip from	£531
One-way from	£333
Popular in	December
Cheapest in	February
Average price	£656

24/2-8/3
2 total stops
29h 55m total
London to San Juan

Search Deals

8/11-31/12
2 total stops
55h 32m total
London to San Juan

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 15/11

11:50-09:19

2 stops49h 29m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£367

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 7/2

20:00-20:00

2 stops28h 00m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£399

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 3/2

20:50-20:00

3 stops27h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£402

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 7/3

11:50-20:00

1 stop36h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£403

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 19/11

06:20-20:00

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£410

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 6/2

08:35-20:00

2 stops15h 25m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£417

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 16/9

08:20-14:58

2 stops35h 38m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£417

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 11/10

08:25-02:09

3 stops22h 44m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£437

Fastest return journey

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Fri 5/2

06:00-16:40

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£445

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 16/12

08:40-13:51

2 stops33h 11m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£491

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Stansted to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Stansted with our price prediction graph.

STN-SJU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Stansted to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Stansted to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Luis Munoz Marin Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Luis Munoz Marin Intl.
Can I find deals for business class flights from Stansted to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Stansted to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Stansted to Luis Munoz Marin Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Luis Munoz Marin Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Stansted to Luis Munoz Marin Intl with no change fees?

Need flexible booking options for your flight to Luis Munoz Marin Intl from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Stansted to Luis Munoz Marin Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Luis Munoz Marin Intl from Stansted today and book when prices fit your budget.

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Cheap flights from London Stansted Airport to San Juan Luis Munoz Marin Intl Airport from £348

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Luis Munoz Marin Intl

Cheapest flights from Stansted to Luis Munoz Marin IntlExplore the most affordable flight options available from Stansted to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Explore the most affordable flight options available from Stansted to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Best flights from Stansted to Luis Munoz Marin IntlDiscover carefully curated flight deals from Stansted to Luis Munoz Marin Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Discover carefully curated flight deals from Stansted to Luis Munoz Marin Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from Stansted to Luis Munoz Marin IntlDiscover last-minute flight deals from Stansted to Luis Munoz Marin Intl. Data last updated 8 September 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Luis Munoz Marin Intl. Data last updated 8 September 2026 and is based on user searches.

One-way flights from Stansted to Luis Munoz Marin IntlSearch for one-way flight options from Stansted to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Search for one-way flight options from Stansted to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Find flight deals from Stansted to Luis Munoz Marin Intl

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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.

Best time to book a flight from Stansted to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Stansted with our price prediction graph.

Related info for your journey

Can I find deals for flights from Stansted to Luis Munoz Marin Intl that include hotel bookings?

How can I find direct flights from Stansted to Luis Munoz Marin Intl?

Can I find deals for business class flights from Stansted to Luis Munoz Marin Intl?

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Luis Munoz Marin Intl by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Stansted to Luis Munoz Marin Intl by cabin class

Find flights from Stansted to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Luis Munoz Marin Intl

Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 September 2026.

Stansted and Luis Munoz Marin Intl flights

Browse other Stansted and Luis Munoz Marin Intl flight options. Last updated on 8 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

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How does Cheapflights help users find flights from Stansted to Luis Munoz Marin Intl?

Why should you use Cheapflights to find cheap flight tickets from Stansted to Luis Munoz Marin Intl?

Can Cheapflights find flights from Stansted to Luis Munoz Marin Intl with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to Luis Munoz Marin Intl become cheaper?

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Cheapest flights from Stansted to Luis Munoz Marin Intl
Explore the most affordable flight options available from Stansted to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 September 2026.

Best flights from Stansted to Luis Munoz Marin Intl
Discover carefully curated flight deals from Stansted to Luis Munoz Marin Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 September 2026.

Last-minute flights from Stansted to Luis Munoz Marin Intl
Discover last-minute flight deals from Stansted to Luis Munoz Marin Intl. Data last updated 8 September 2026 and is based on user searches.

One-way flights from Stansted to Luis Munoz Marin Intl
Search for one-way flight options from Stansted to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.