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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £184

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
19 déc. — 26 déc.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to London are usually found in February or October, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Luis Munoz Marin Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to London (LON). 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 19 novembre 2025.

Round-trip from

£436

One-way from

£184

Popular in

June

Cheapest in

February

Average price

£546
Virgin Atlantic
  • Virgin Atlantic
  • 15/1-19/1
  • 3 total stops
  • 31h 32m total
  • San Juan to London
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15/2
  • 15/2
  • 1 total stop
  • 26h 05m total
  • San Juan to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Luis Munoz Marin Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Luis Munoz Marin Intl to London
Explore the most affordable flight options available from Luis Munoz Marin Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 novembre 2025.

lun. 17/1118:36SJU - LHR
1 stop13h 04mDelta
ven. 28/1110:00LHR - SJU
2 stops17h 56mDelta
Deal found 17/11£434
lun. 24/1115:20SJU - LHR
1 stop13h 25mDelta
mer. 3/1206:20LHR - SJU
2 stops21h 39mDelta
Deal found 17/11£439
mar. 30/1202:05SJU - LHR
1 stop15h 15mUnited Airlines
ven. 9/112:05LHR - SJU
1 stop29h 12mUnited Airlines
Deal found 16/11£450
mer. 19/1108:10SJU - LHR
1 stop17h 45mUnited Airlines
jeu. 4/1212:05LHR - SJU
1 stop14h 17mUnited Airlines
Deal found 17/11£452
lun. 17/1114:20SJU - LHR
2 stops16h 30mUnited Airlines
jeu. 4/1207:40LHR - SJU
1 stop17h 20mUnited Airlines
Deal found 17/11£455
lun. 17/1118:35SJU - LHR
1 stop31h 45mDelta
jeu. 4/1216:10LHR - SJU
2 stops24h 35mDelta
Deal found 17/11£458
mar. 18/1102:05SJU - LHR
1 stop14h 30mUnited Airlines
lun. 24/1107:30LHR - SJU
2 stops18h 52mUnited Airlines
Deal found 17/11£475
mar. 30/1210:15SJU - LHR
1 stop17h 15mLufthansa
mer. 7/112:50LHR - SJU
1 stop15h 46mLufthansa
Deal found 16/11£481
jeu. 4/1211:38SJU - LGW
2 stops19h 17mMultiple Airlines
dim. 7/1211:55LGW - SJU
3 stops28h 37mMultiple Airlines
Deal found 17/11£582
mar. 30/1215:15SJU - LGW
2 stops22h 35mMultiple Airlines
ven. 9/114:00LGW - SJU
1 stop23h 47mMultiple Airlines
Deal found 16/11£622
mar. 30/1215:15SJU - LGW
2 stops22h 35mMultiple Airlines
jeu. 8/114:00LGW - SJU
1 stop16h 50mMultiple Airlines
Deal found 16/11£647
mar. 2/1209:15SJU - LGW
1 stop16h 45mMultiple Airlines
jeu. 4/1210:00LGW - SJU
3 stops45h 17mMultiple Airlines
Deal found 17/11£656

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luis Munoz Marin Intl to London 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 19 novembre 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to London that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

London

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

ven. 23/1

14:15-09:00

1 stop14h 45m

London Heathrow

mar. 27/1

06:20-20:58

2 stops18h 38m

£440

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

mar. 17/2

02:05-20:35

1 stop14h 30m

London Heathrow

jeu. 26/2

08:30-22:22

2 stops17h 52m

£443

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

jeu. 22/1

16:52-11:15

1 stop14h 23m

London Heathrow

jeu. 29/1

08:30-22:22

2 stops17h 52m

£443

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

jeu. 22/1

02:05-20:35

1 stop14h 30m

London Heathrow

mar. 27/1

07:30-22:22

2 stops18h 52m

£443

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

mer. 18/2

17:50-10:50

1 stop13h 00m

London Heathrow

ven. 27/2

08:30-00:36

2 stops20h 06m

£444

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

mer. 4/3

14:10-08:25

1 stop14h 15m

London Heathrow

mar. 10/3

09:30-23:36

2 stops18h 06m

£444

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

sam. 14/2

17:50-10:50

1 stop13h 00m

London Heathrow

sam. 21/2

09:10-22:22

2 stops17h 12m

£449

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

ven. 9/1

14:15-08:05

1 stop13h 50m

London Heathrow

sam. 17/1

08:55-20:57

1 stop16h 02m

£450

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

jeu. 4/12

18:59-10:55

3 stops35h 56m

London Gatwick

dim. 7/12

11:55-12:32

3 stops28h 37m

£615

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

mer. 4/3

13:44-10:55

2 stops17h 11m

London Gatwick

mar. 10/3

11:55-02:00

2 stops18h 05m

£700

Flights are sorted by cheapest return flights first.

Deals found on 17/11

Showing 1-10 of 50 results
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Best time to book a flight from Luis Munoz Marin Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to London

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

Use this chart to determine the optimal time to book a return flight from Luis Munoz Marin Intl to London. Price data was last updated on 14 November 2025.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London (average of £77). Flying from San Juan Luis Munoz Marin Intl Airport to London in June is currently the most expensive (average of £747). 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 SJU to LON?

Find hourly flight availability from Luis Munoz Marin Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 novembre 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan Luis Munoz Marin Intl Airport to London in the morning. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the evening.

What’s the top stopover airport for flights from San Juan Luis Munoz Marin Intl Airport to London?

Share of one-stop return flights from San Juan Luis Munoz Marin Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New York (JFK) – chosen by Cheapflights users on 80% of one-stop itineraries from San Juan Luis Munoz Marin Intl Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from San Juan Luis Munoz Marin Intl Airport to London?

Average return fare for one-stop flights from San Juan Luis Munoz Marin Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Madrid (MAD) is the most affordable one-stop option, with an average return flight price of £764.

What’s the fastest stopover option from San Juan Luis Munoz Marin Intl Airport to London?

Shortest average travel time for one-stop one-way flights from San Juan Luis Munoz Marin Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 12h 58m.

Which airport typically offers the quickest stopover for flights from San Juan Luis Munoz Marin Intl Airport to London?

Average stopover duration for one-stop one-way flights from San Juan Luis Munoz Marin Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 2h 25m.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to London?

    Virgin Atlantic, United Airlines, and Icelandair can get you from San Juan Luis Munoz Marin Intl Airport to London in just under 14h 30m. Your travel time can differ by up to 2h 41m. The distance from San Juan Luis Munoz Marin Intl Airport to London is about 4179 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £245. Users have also found prices from £411 and £438 on Iberia and United Airlines, respectively.

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

    Most travelers choose San Juan Luis Munoz Marin Intl - London Heathrow, San Juan Luis Munoz Marin Intl - London Gatwick or San Juan Luis Munoz Marin Intl - London City when deciding on the best route from San Juan Luis Munoz Marin Intl Airport to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to London 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 San Juan Luis Munoz Marin Intl Airport to London?

    Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London (average of £77). Flying from San Juan Luis Munoz Marin Intl Airport to London in June is currently the most expensive (average of £747). 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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Alternative routes for Luis Munoz Marin Intl to London

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Heathrow flights
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Why should you use Cheapflights to find cheap flight tickets from Luis Munoz Marin Intl to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Luis Munoz Marin Intl.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Luis Munoz Marin Intl to London flexibly with Cheapflights today.

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

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

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