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Cheap flights from London to San Juan Luis Munoz Marin Intl Airport from £264

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
22 Apr — 29 Apr1
1 adult

Cheapflights Tip: The best prices from London to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 89 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from London to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 April 2025.

Round-trip from

£527

One-way from

£264

Popular in

July

Cheapest in

September

Average price

£701
6/5-12/5
  • 6/5-12/5
  • 2 total stops
  • 42h 55m total
  • London to San Juan
15/5
  • 15/5
  • 2 total stops
  • 50h 04m total
  • London to San Juan
Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from London to Luis Munoz Marin Intl

Cheapest flights from London to Luis Munoz Marin Intl
Explore the most affordable flight options available from London to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Tue 6/514:00LGW - SJU
1 stop17h 51mMultiple Airlines
Mon 12/503:56SJU - LGW
1 stop25h 04mMultiple Airlines
Deal found 16/4£527
Wed 29/1008:25LHR - SJU
1 stop21h 52mIcelandair
Sat 8/1101:59SJU - LHR
1 stop14h 46mIcelandair
Deal found 17/4£527
Wed 3/908:15LHR - SJU
1 stop18h 03mJetBlue
Mon 8/903:15SJU - LHR
1 stop12h 30mJetBlue
Deal found 16/4£528
Sat 4/1012:10LGW - SJU
1 stop28h 54mIcelandair
Tue 21/1019:00SJU - LGW
1 stop33h 35mIcelandair
Deal found 16/4£543
Thu 11/911:30LHR - SJU
1 stop12h 00mIberia
Thu 18/915:58SJU - LHR
2 stops24h 22mIberia
Deal found 16/4£551
Sat 3/520:10LHR - SJU
1 stop18h 50mMultiple Airlines
Wed 7/521:30SJU - LHR
1 stop17h 30mMultiple Airlines
Deal found 17/4£581
Sat 31/512:10LGW - SJU
1 stop16h 15mJetBlue
Sat 7/608:50SJU - LGW
1 stop19h 45mJetBlue
Deal found 15/4£593
Tue 6/511:40STN - SJU
2 stops17h 12mMultiple Airlines
Mon 12/501:59SJU - STN
3 stops27h 41mMultiple Airlines
Deal found 16/4£618
Sat 1/1111:00LGW - SJU
2 stops29h 10mIberia
Tue 18/1118:05SJU - LGW
1 stop12h 10mIberia
Deal found 16/4£635
Thu 6/1110:40LGW - SJU
2 stops20h 37mTAP AIR PORTUGAL
Sat 15/1106:15SJU - LGW
2 stops23h 35mTAP AIR PORTUGAL
Deal found 17/4£659
Thu 6/1112:25LHR - SJU
2 stops19h 55mTAP AIR PORTUGAL
Sat 15/1106:15SJU - LHR
2 stops25h 10mTAP AIR PORTUGAL
Deal found 16/4£679
Tue 6/509:25LCY - SJU
2 stops19h 27mMultiple Airlines
Mon 12/501:59SJU - LCY
3 stops29h 31mMultiple Airlines
Deal found 16/4£688

Cheapflights Fare Finder

Customise your flight search to find flights from London to Luis Munoz Marin Intl 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, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from London to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

London

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 6/5

14:00-02:51

1 stop17h 51m

San Juan Luis Munoz Marin Intl

Mon 12/5

03:56-10:00

1 stop25h 04m

£527

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 12/5

08:25-18:05

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Mon 19/5

18:55-20:45

1 stop20h 50m

£527

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 3/9

08:15-21:18

1 stop18h 03m

San Juan Luis Munoz Marin Intl

Mon 8/9

03:15-20:45

1 stop12h 30m

£528

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 4/10

12:10-12:04

1 stop28h 54m

San Juan Luis Munoz Marin Intl

Tue 21/10

19:00-09:35

1 stop33h 35m

£543

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 11/9

11:30-18:30

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Thu 18/9

15:58-21:20

2 stops24h 22m

£551

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 3/5

20:10-10:00

1 stop18h 50m

San Juan Luis Munoz Marin Intl

Wed 7/5

21:30-20:00

1 stop17h 30m

£581

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 31/5

12:10-23:25

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Sat 7/6

08:50-09:35

1 stop19h 45m

£593

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 6/5

11:40-23:52

2 stops17h 12m

San Juan Luis Munoz Marin Intl

Mon 12/5

01:59-10:40

3 stops27h 41m

£618

LondonSan Juan

LCY - SJU

LCYSJU

London City

Tue 6/5

09:25-23:52

2 stops19h 27m

San Juan Luis Munoz Marin Intl

Mon 12/5

01:59-12:30

3 stops29h 31m

£688

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 6/5

14:10-15:40

2 stops30h 30m

San Juan Luis Munoz Marin Intl

Tue 13/5

13:25-10:10

1 stop15h 45m

£690

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 35 results
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Best time to book a flight from London to Luis Munoz Marin Intl

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

Cheapflights Insights

Everything you need to know about your flight from London to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from London to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a return flight from London to Luis Munoz Marin Intl. Price data was last updated on 11 April 2025.

The best time to book flights from London to San Juan Luis Munoz Marin Intl Airport is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from London to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from London to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

It’s optimal to fly from London to San Juan Luis Munoz Marin Intl Airport in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from London to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly return from London to Luis Munoz Marin Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

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.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated 17 April 2025.
See what other customers who have flown with Delta, KLM and Air France from London to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from London to San Juan Luis Munoz Marin Intl Airport round-trip?

    According to our current data, Icelandair (£527), JetBlue (£528), and Iberia (£551) offers the cheapest pricing from London to San Juan Luis Munoz Marin Intl Airport. Icelandair is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapet airlines for a one-way flight from London to San Juan Luis Munoz Marin Intl Airport are Iberia (£509), Avianca (£524), and TAP AIR PORTUGAL (£626).

  • What are the most popular routes from London to San Juan Luis Munoz Marin Intl Airport?

  • Where are the most common stopover locations when flying from London to San Juan Luis Munoz Marin Intl Airport?

  • What are some popular things to do or see while on a stopover in Madrid?

    Madrid travellers tend to visit Spain Building, Puerta del Sol, and Plaza Mayor more than anywhere else. Spain Building, Puerta del Sol, and Plaza Mayor can be visited by traveling about 8.5 mi, 8.4 mi, and 8.6 mi respectively from Madrid Barajas. Those landing in Madrid looking to spend some time exploring during their stopover can hire a car for about £22 per day.

  • Where are the least popular stopover locations for London to San Juan Luis Munoz Marin Intl Airport flights?

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

  • What is the cheapest month to book a flight from London to San Juan Luis Munoz Marin Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from London to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from London to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from London to Luis Munoz Marin Intl on these airlines

Choose from the following airlines for your flight from London to Luis Munoz Marin Intl. Flights are based on user searches made on Cheapflights and were last updated on 17 April 2025.

Top 6 airlines flying from London to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from London to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£424Average£560FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£430Average£631FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£444Average£656FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£508Average£767FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£568Average£733FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£855Average£1,142FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to Luis Munoz Marin Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Certainly. Search results for flights to Luis Munoz Marin Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on London to Luis Munoz Marin Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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