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Cheap flights from London to San Juan Luis Munoz Marin Intl Airport from £253

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
1 Apr — 8 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 56 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 27 March 2025.

Round-trip from

£499

One-way from

£253

Popular in

December

Cheapest in

September

Average price

£587
Icelandair
  • Icelandair
  • 9/9-24/9
  • 4 total stops
  • 41h 10m total
  • London to San Juan
3/6
  • 3/6
  • 2 total stops
  • 33h 02m total
  • London to San Juan
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in March 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 27 March 2025.

Tue 9/912:10LGW - SJU
2 stops18h 35mIcelandair
Wed 24/906:00SJU - LGW
2 stops22h 35mIcelandair
Deal found 26/3£499
Sun 11/514:00LGW - SJU
1 stop15h 54mMultiple Airlines
Thu 15/501:59SJU - LGW
1 stop27h 01mMultiple Airlines
Deal found 26/3£503
Tue 9/908:15LHR - SJU
1 stop18h 03mIcelandair
Wed 24/911:30SJU - LHR
1 stop17h 00mIcelandair
Deal found 26/3£508
Wed 3/911:30LHR - SJU
1 stop12h 00mIberia
Thu 18/915:58SJU - LHR
1 stop13h 37mIberia
Deal found 26/3£511
Wed 23/418:30LHR - SJU
2 stops35h 20mMultiple Airlines
Tue 29/401:31SJU - LHR
3 stops23h 59mMultiple Airlines
Deal found 26/3£523
Thu 24/406:15STN - SJU
1 stop17h 35mMultiple Airlines
Thu 1/520:25SJU - STN
1 stop17h 30mMultiple Airlines
Deal found 26/3£531
Tue 6/508:15LHR - SJU
1 stop18h 15mJetBlue
Tue 13/513:58SJU - LHR
1 stop14h 32mJetBlue
Deal found 26/3£531
Fri 7/1111:00LGW - SJU
2 stops29h 10mIberia
Sat 15/1121:25SJU - LGW
1 stop17h 25mIberia
Deal found 26/3£635
Mon 5/509:55LCY - SJU
2 stops18h 57mMultiple Airlines
Sun 11/501:33SJU - LCY
3 stops29h 57mMultiple Airlines
Deal found 27/3£642
Thu 6/1110:40LGW - SJU
2 stops20h 37mTAP AIR PORTUGAL
Sat 15/1107:10SJU - LGW
2 stops22h 40mTAP AIR PORTUGAL
Deal found 27/3£668
Thu 6/1108:15LHR - SJU
2 stops23h 02mTAP AIR PORTUGAL
Sat 15/1106:15SJU - LHR
2 stops25h 10mTAP AIR PORTUGAL
Deal found 27/3£671
Wed 23/414:10LHR - SJU
2 stops35h 28mUnited Airlines
Sun 27/407:45SJU - LHR
1 stop17h 35mUnited Airlines
Deal found 26/3£693

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 27 March 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 9/9

12:10-01:45

2 stops18h 35m

San Juan Luis Munoz Marin Intl

Wed 24/9

06:00-09:35

2 stops22h 35m

£499

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sun 11/5

14:00-00:54

1 stop15h 54m

San Juan Luis Munoz Marin Intl

Thu 15/5

01:59-10:00

1 stop27h 01m

£503

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 9/9

08:15-21:18

1 stop18h 03m

San Juan Luis Munoz Marin Intl

Wed 24/9

11:30-09:30

1 stop17h 00m

£508

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 3/9

11:30-18:30

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Thu 18/9

15:58-10:35

1 stop13h 37m

£511

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 23/4

18:30-00:50

2 stops35h 20m

San Juan Luis Munoz Marin Intl

Tue 29/4

01:31-06:30

3 stops23h 59m

£523

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 6/5

08:15-21:30

1 stop18h 15m

San Juan Luis Munoz Marin Intl

Tue 13/5

13:58-09:30

1 stop14h 32m

£531

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 24/4

06:15-18:50

1 stop17h 35m

San Juan Luis Munoz Marin Intl

Thu 1/5

20:25-18:55

1 stop17h 30m

£531

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 5/5

09:55-23:52

2 stops18h 57m

San Juan Luis Munoz Marin Intl

Sun 11/5

01:33-12:30

3 stops29h 57m

£642

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 1/5

20:40-20:20

2 stops28h 40m

San Juan Luis Munoz Marin Intl

Sun 11/5

20:25-21:00

2 stops19h 35m

£679

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 23/4

14:10-20:38

2 stops35h 28m

San Juan Luis Munoz Marin Intl

Sun 27/4

07:25-06:20

2 stops17h 55m

£693

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 41 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 21 March 2025.

The best time to book flights from London to San Juan Luis Munoz Marin Intl Airport is 56 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 27 March 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 27 March 2025.
See what other customers who have flown with Delta, KLM and United Airlines 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.

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 (£499), Iberia (£507), and JetBlue (£531) offers the cheapest pricing from London to San Juan Luis Munoz Marin Intl Airport. Icelandair is priced at 26% 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 (£525), Avianca (£576), and TAP AIR PORTUGAL (£635).

  • 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, Plaza Mayor, and Puerta del Sol more than anywhere else. Spain Building, Plaza Mayor, and Puerta del Sol can be visited by traveling about 8.5 mi, 8.6 mi, and 8.4 mi respectively from Madrid Barajas. Those landing in Madrid looking to spend some time exploring during their stopover can hire a car for about £21 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 27 March 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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£438Average£575FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£441Average£641FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£456Average£693FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£521Average£785FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£583Average£766FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£878Average£1,172FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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