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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £200

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
18 Jun — 25 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 May 2026.

Tue 6/1013:25
SJU
-
LHR
1 stop12h 50m
United Airlines
Thu 8/1006:50
LHR
-
SJU
2 stops22h 00m
United Airlines
Deal found 17/5£517
Wed 4/1107:00
SJU
-
LHR
1 stop19h 55m
Virgin Atlantic
Wed 11/1106:20
LHR
-
SJU
2 stops20h 53m
Virgin Atlantic
Deal found 18/5£536
Thu 26/1113:55
SJU
-
LHR
1 stop17h 45m
Virgin Atlantic
Thu 3/1206:20
LHR
-
SJU
2 stops21h 00m
Virgin Atlantic
Deal found 17/5£565
Thu 24/920:25
SJU
-
LGW
1 stop18h 35m
Iberia
Mon 28/911:30
LGW
-
SJU
1 stop12h 20m
Iberia
Deal found 18/5£671
Thu 24/917:15
SJU
-
LGW
1 stop12h 35m
British Airways
Mon 28/911:30
LGW
-
SJU
1 stop12h 20m
British Airways
Deal found 19/5£676
Tue 9/617:25
SJU
-
LGW
1 stop12h 25m
Iberia
Wed 17/611:30
LGW
-
SJU
1 stop12h 20m
Iberia
Deal found 17/5£677
Thu 18/617:15
SJU
-
LGW
1 stop12h 35m
Iberia
Thu 25/611:30
LGW
-
SJU
1 stop12h 20m
Iberia
Deal found 19/5£682
Fri 14/816:55
SJU
-
LGW
1 stop11h 40m
JetBlue
Fri 28/812:20
LGW
-
SJU
1 stop18h 35m
JetBlue
Deal found 19/5£683
Wed 4/1121:35
SJU
-
LCY
1 stop12h 30m
Multiple Airlines
Wed 11/1107:50
LCY
-
SJU
1 stop12h 50m
Multiple Airlines
Deal found 18/5£683
Sat 27/620:35
SJU
-
LGW
1 stop18h 25m
Iberia
Thu 2/720:40
LGW
-
SJU
1 stop23h 45m
Iberia
Deal found 15/5£690
Thu 4/620:40
SJU
-
LCY
1 stop13h 35m
Iberia
Tue 16/609:40
LCY
-
SJU
1 stop14h 10m
Iberia
Deal found 17/5£765
Tue 19/520:40
SJU
-
LCY
1 stop13h 35m
Iberia
Thu 28/509:35
LCY
-
SJU
1 stop14h 30m
Iberia
Deal found 18/5£771

Find 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 May 2026.

Round-trip from

£517

One-way from

£200

Popular in

June

Cheapest in

February

Average price

£641
United Airlines
  • United Airlines
  • 6/10-8/10
  • 3 total stops
  • 34h 50m total
  • San Juan to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 5/10
  • 1 total stop
  • 17h 33m total
  • San Juan to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 19/8

16:55-10:40

1 stop12h 45m

London Heathrow

Sun 23/8

07:30-23:50

2 stops21h 20m

£656

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 5/11

07:30-06:20

2 stops18h 50m

London Heathrow

Tue 10/11

08:55-23:13

2 stops18h 18m

£671

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 15/10

01:00-10:00

2 stops28h 00m

London Heathrow

Mon 26/10

17:30-23:36

2 stops34h 06m

£674
Fastest return journey

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 24/9

17:15-10:50

1 stop12h 35m

London Gatwick

Mon 28/9

11:30-18:50

1 stop12h 20m

£677

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 5/11

07:45-07:30

1 stop19h 45m

London Heathrow

Mon 9/11

06:50-00:36

2 stops21h 46m

£679

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Fri 14/8

16:55-09:35

1 stop11h 40m

London Gatwick

Fri 28/8

12:20-01:55

1 stop18h 35m

£683

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 29/8

12:56-13:05

2 stops19h 09m

London Heathrow

Tue 8/9

10:45-22:23

2 stops16h 38m

£695

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 7/11

13:46-09:00

1 stop15h 14m

London Heathrow

Sat 14/11

11:55-23:55

1 stop16h 00m

£702

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 24/9

12:58-13:05

2 stops19h 07m

London Heathrow

Mon 28/9

18:35-13:16

2 stops23h 41m

£706

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 14/8

13:25-10:40

2 stops16h 15m

London Heathrow

Fri 28/8

12:05-23:50

2 stops16h 45m

£716

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 55 resultsSorted by cheapest first
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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

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

Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London (average of £75). Flying from San Juan Luis Munoz Marin Intl Airport to London in June is currently the most expensive (average of £609). 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.

How much does it cost for a return 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?

Booking 82 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.

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?

    United Airlines, Delta, and British Airways can get you from San Juan Luis Munoz Marin Intl Airport to London in just under 12h 35m. Your travel time can differ by up to 6h 15m. The distance from San Juan Luis Munoz Marin Intl Airport to London is about 4188 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from San Juan Luis Munoz Marin Intl Airport to London round-trip?

    JetBlue, at £573, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to London.. Users have found that JetBlue is 2% cheaper than the other options available to this destination.

  • 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, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London (average of £75). Flying from San Juan Luis Munoz Marin Intl Airport to London in June is currently the most expensive (average of £609). 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
Luis Munoz Marin Intl to Gatwick flights
Luis Munoz Marin Intl to Edinburgh flights
Luis Munoz Marin Intl to Manchester flights

Top airline flying from Luis Munoz Marin Intl to London

Discover the top airline that operate flights from Luis Munoz Marin Intl to London. 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 19 May 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£573Average£682FlexibilityNo cancel feeOn-time62%
Search JetBlue 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 Luis Munoz Marin Intl to London?

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

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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