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 LTN to SJU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Luton Airport to San Juan Luis Munoz Marin Intl Airport as you normally would.

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

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

How can I find direct flights from Luton 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 Luton to Luis Munoz Marin Intl.

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

Yes. Cheapflights offers flight deals from Luton 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.

£360+ Cheap Flights from London Luton Airport to San Juan Luis Munoz Marin Intl Airport

Cheap flight deals from Luton to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Luton to Luis Munoz Marin Intl
Explore the most affordable flight options available from Luton to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Mon 16/1107:45 -

1 stop16h 15m

Mon 30/1121:35 -

1 stop12h 10m

Deal found 14/9£568

Thu 12/1107:45 -

1 stop16h 15m

Thu 26/1121:35 -

1 stop12h 10m

Deal found 14/9£571

Mon 16/1107:45 -

1 stop16h 15m

Sun 29/1121:35 -

1 stop12h 10m

Deal found 14/9£582

Tue 17/1107:45 -

1 stop16h 15m

Sun 29/1121:35 -

1 stop12h 10m

Deal found 14/9£592

Sun 15/1107:45 -

1 stop16h 15m

Sun 29/1118:10 -

1 stop15h 35m

Deal found 14/9£614

Fri 20/1107:05 -

2 stops16h 55m

Mon 7/1221:35 -

1 stop12h 15m

Deal found 12/9£674

Sat 14/1107:05 -

2 stops16h 55m

Mon 30/1121:35 -

1 stop12h 10m

Deal found 14/9£675

Sat 14/1107:05 -

2 stops16h 55m

Tue 1/1221:35 -

1 stop12h 10m

Deal found 14/9£676

Sat 24/1008:00 -

1 stop15h 45m

Sun 1/1118:10 -

1 stop15h 35m

Deal found 12/9£683

Sun 25/1007:45 -

1 stop16h 15m

Sun 1/1121:35 -

1 stop12h 10m

Deal found 16/9£689

Wed 11/1106:10 -

1 stop14h 30m

Mon 30/1121:35 -

1 stop12h 10m

Deal found 14/9£696

Find flight deals from Luton to Luis Munoz Marin Intl

Round-trip from	£544
One-way from	£360
Popular in	December
Cheapest in	February
Average price	£683

31/1-14/2
2 total stops
35h 35m total
London to San Juan

Search Deals

11/11-31/12
3 total stops
45h 38m total
London to San Juan

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£20 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 Luton 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

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Wed 2/12

07:40-13:51

3 stops58h 11m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£366

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Mon 23/11

07:45-09:19

2 stops29h 34m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£373

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Tue 24/11

12:15-10:33

3 stops50h 18m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£392

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Sun 22/11

07:45-08:39

2 stops28h 54m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£417

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Thu 3/12

13:35-01:18

3 stops39h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£419

Fastest return journey

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Thu 12/11

07:15-20:00

1 stop16h 45m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£422

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Mon 15/2

21:30-16:40

1 stop23h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£436

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Sat 13/2

21:30-16:40

1 stop23h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£439

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Thu 12/11

07:45-20:00

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Thu 26/11

21:35-13:45

1 stop12h 10m

£571

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Fri 20/11

07:05-20:00

2 stops16h 55m

San Juan Luis Munoz Marin Intl

Mon 7/12

21:35-13:50

1 stop12h 15m

£674

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 19 resultsSorted by cheapest first

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

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

LTN-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 Luton to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Luton to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Luton 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 Luton to Luis Munoz Marin Intl.
Can I find deals for business class flights from Luton to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Luton 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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How does Cheapflights help users find flights from Luton to Luis Munoz Marin Intl?

Cheapflights helps you search for flights from Luton to Luis Munoz Marin Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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Millions of users choose and trust Cheapflights to book the best flight deals from Luton 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 Luton to Luis Munoz Marin Intl with no change fees?

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

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Cheap flights from London Luton Airport to San Juan Luis Munoz Marin Intl Airport from £360

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

Cheap flight deals from Luton to Luis Munoz Marin Intl

Cheapest flights from Luton to Luis Munoz Marin IntlExplore the most affordable flight options available from Luton to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Luton to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Luton to Luis Munoz Marin IntlDiscover carefully curated flight deals from Luton 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 16 September 2026.

Discover carefully curated flight deals from Luton 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 16 September 2026.

Last-minute flights from Luton to Luis Munoz Marin IntlDiscover last-minute flight deals from Luton to Luis Munoz Marin Intl. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Luton to Luis Munoz Marin Intl. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Luton to Luis Munoz Marin IntlSearch for one-way flight options from Luton to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Luton to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Luton Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

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

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

Related info for your journey

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

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

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

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

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Alternative routes for Luton 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 Luton to Luis Munoz Marin Intl by cabin class

Find flights from Luton 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 16 September 2026.

Luton and Luis Munoz Marin Intl flights

Browse other Luton and Luis Munoz Marin Intl flight options. Last updated on 16 September 2026.

Other flights from Luton

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

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

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

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Cheapest flights from Luton to Luis Munoz Marin Intl
Explore the most affordable flight options available from Luton to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Luton to Luis Munoz Marin Intl
Discover carefully curated flight deals from Luton 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 16 September 2026.

Last-minute flights from Luton to Luis Munoz Marin Intl
Discover last-minute flight deals from Luton to Luis Munoz Marin Intl. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Luton to Luis Munoz Marin Intl
Search for one-way flight options from Luton to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.