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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to London departing on 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:49 - 10:00
SJU
-
LGW
31h 11m
1 stop
Multiple Airlines Logo
10:10 - 00:50
LGW
-
SJU
42h 40m
2 stops
£535Multiple Airlines
Mon, 19 Oct - Tue, 10 Nov
United Airlines Logo
02:05 - 21:20
SJU
-
LHR
15h 15m
1 stop
United Airlines Logo
17:30 - 22:22
LHR
-
SJU
32h 52m
2 stops
£536United Airlines
Sat, 23 Jan - Mon, 25 Jan
Multiple Airlines Logo
21:49 - 10:00
SJU
-
LGW
31h 11m
1 stop
Multiple Airlines Logo
10:10 - 02:50
LGW
-
SJU
20h 40m
1 stop
£536Multiple Airlines
Mon, 19 Oct - Tue, 10 Nov
Iberia Logo
18:55 - 12:05
SJU
-
LHR
13h 10m
1 stop
Iberia Logo
09:45 - 21:27
LHR
-
SJU
15h 42m
1 stop
£563Iberia
Mon, 16 Nov - Fri, 20 Nov
United Airlines Logo
16:55 - 07:55
SJU
-
LHR
35h 00m
1 stop
United Airlines Logo
07:30 - 22:22
LHR
-
SJU
18h 52m
2 stops
£565United Airlines
Sun, 15 Nov - Wed, 18 Nov
Multiple Airlines Logo
06:05 - 10:00
SJU
-
LGW
22h 55m
1 stop
Multiple Airlines Logo
14:00 - 17:37
LGW
-
SJU
32h 37m
1 stop
£567Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
06:05 - 10:00
SJU
-
LGW
22h 55m
1 stop
Multiple Airlines Logo
14:00 - 17:37
LGW
-
SJU
32h 37m
1 stop
£568Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Iberia Logo
18:55 - 12:05
SJU
-
LHR
13h 10m
1 stop
Iberia Logo
09:45 - 21:27
LHR
-
SJU
15h 42m
1 stop
£582Iberia
Mon, 16 Nov - Fri, 20 Nov
Multiple Airlines Logo
18:09 - 10:00
SJU
-
LGW
34h 51m
1 stop
Multiple Airlines Logo
14:00 - 19:52
LGW
-
SJU
34h 52m
1 stop
£589Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Iberia Logo
14:58 - 09:00
SJU
-
LHR
13h 02m
1 stop
Iberia Logo
06:15 - 15:25
LHR
-
SJU
14h 10m
1 stop
£590Iberia
Mon, 14 Sep - Mon, 21 Sep

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Iberia flights from San Juan Luis Munoz Marin Intl Airport to London

Our best Iberia deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
Iberia
16 Nov
SJU18:55San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LHR12:05London Heathrow
20 Nov
LHR09:45London Heathrow
15h 42m
1 stop
SJU21:27San Juan Luis Munoz Marin Intl
£582
Iberia
14 Sept
SJU14:58San Juan Luis Munoz Marin Intl
13h 02m
1 stop
LHR09:00London Heathrow
21 Sept
LHR06:15London Heathrow
14h 10m
1 stop
SJU15:25San Juan Luis Munoz Marin Intl
£590
Iberia
14 Sept
SJU14:58San Juan Luis Munoz Marin Intl
13h 02m
1 stop
LHR09:00London Heathrow
21 Sept
LHR06:15London Heathrow
14h 10m
1 stop
SJU15:25San Juan Luis Munoz Marin Intl
£591

Virgin Atlantic flights from San Juan Luis Munoz Marin Intl Airport to London

Our best Virgin Atlantic deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
Virgin Atlantic
14 Sept
SJU13:16San Juan Luis Munoz Marin Intl
12h 29m
1 stop
LHR06:45London Heathrow
21 Sept
LHR06:15London Heathrow
21h 04m
2 stops
SJU22:19San Juan Luis Munoz Marin Intl
£592
Virgin Atlantic
8 Sept
SJU13:16San Juan Luis Munoz Marin Intl
14h 34m
1 stop
LHR08:50London Heathrow
15 Sept
LHR09:20London Heathrow
17h 59m
1 stop
SJU22:19San Juan Luis Munoz Marin Intl
£597
Virgin Atlantic
8 Sept
SJU13:16San Juan Luis Munoz Marin Intl
14h 34m
1 stop
LHR08:50London Heathrow
15 Sept
LHR09:20London Heathrow
17h 59m
1 stop
SJU22:19San Juan Luis Munoz Marin Intl
£597

momondo Fare Finder

 
Customise your flight search to find flights from San Juan Luis Munoz Marin Intl Airport 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, momondo users made 279,928 searches. Data last updated 29 July 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 - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 19/10

21:49-10:00

1 stop31h 11m

London Gatwick

Tue 10/11

10:10-00:50

2 stops42h 40m

£535

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 23/1

02:05-21:20

1 stop15h 15m

London Heathrow

Mon 25/1

17:30-22:22

2 stops32h 52m

£536

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 19/10

21:49-10:00

1 stop31h 11m

London Gatwick

Tue 10/11

10:10-02:50

1 stop20h 40m

£536

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

09:45-21:27

1 stop15h 42m

£563

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 15/11

16:55-07:55

1 stop35h 00m

London Heathrow

Wed 18/11

07:30-22:22

2 stops18h 52m

£565

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 14/9

06:05-10:00

1 stop22h 55m

London Gatwick

Mon 21/9

14:00-17:37

1 stop32h 37m

£567

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 14/9

06:05-10:00

1 stop22h 55m

London Gatwick

Mon 21/9

14:00-17:37

1 stop32h 37m

£568

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

09:45-21:27

1 stop15h 42m

£582

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Tue 25/8

18:09-10:00

1 stop34h 51m

London Gatwick

Tue 1/9

14:00-19:52

1 stop34h 52m

£589
Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 14/9

14:58-09:00

1 stop13h 02m

London Heathrow

Mon 21/9

06:15-15:25

1 stop14h 10m

£590

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and London?

Prices are currently typical for flights on this route.

Typical prices usually range from £465 to £706.
The lowest price recently found on this route was £535.

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Juan Luis Munoz Marin Intl Airport is in February. Flight prices, which tend to average around £469, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around £471.

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

You are more likely to see cheaper flights to London from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £681 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Juan Luis Munoz Marin Intl Airport for as low as £518 on momondo.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to London flights?

You could potentially save up to 32% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to London flight.

How have San Juan Luis Munoz Marin Intl Airport to London flight prices changed over time?

As of July 2026, prices for San Juan Luis Munoz Marin Intl Airport to London flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Juan Luis Munoz Marin Intl Airport to London (SJU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to London

Fastest flight time

11h 43m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London takes 11h 43m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to London. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to London.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to London

  • How far is San Juan Luis Munoz Marin Intl to London by plane?

    There are 4193.3 mi between San Juan Luis Munoz Marin Intl and London. Flights usually cover this in 11h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to London?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to London were last updated today.

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Bedford
Hayes
Colchester
Harlow
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Juan to London with flexible booking policies on momondo?

Flights from San Juan to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Juan to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Juan.

I’m not ready to book a flight from San Juan to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Juan to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport