Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £195

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 16/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to London (SJU-LON)

Cheap return flights

KLM Logo
13:34 - 10:00SJU-LGW
15h 26m1 stop
KLM Logo
12:00 - 23:51LGW-SJU
16h 51m1 stop
£400KLM
Find Deal
Tue, 19 Aug - Tue, 26 Aug
 Logo
06:00 - 09:00SJU-LGW
23h 00m2 stops
 Logo
11:20 - 12:05LGW-SJU
28h 45m2 stops
Sun, 9 Nov - Thu, 20 Nov
KLM Logo
14:08 - 06:50SJU-LHR
12h 42m1 stop
KLM Logo
10:10 - 23:50LHR-SJU
17h 40m1 stop
£424KLM
Find Deal
Sun, 9 Nov - Thu, 20 Nov
Virgin Atlantic Logo
07:00 - 06:25SJU-LHR
18h 25m1 stop
Virgin Atlantic Logo
06:30 - 23:44LHR-SJU
22h 14m2 stops
£427Virgin Atlantic
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Delta Logo
18:00 - 12:35SJU-LHR
13h 35m1 stop
Delta Logo
06:30 - 23:44LHR-SJU
22h 14m2 stops
£431Delta
Find Deal
Wed, 10 Sep - Wed, 17 Sep
United Airlines Logo
01:05 - 06:30SJU-LHR
24h 25m2 stops
United Airlines Logo
13:00 - 23:57LHR-SJU
15h 57m1 stop
£431United Airlines
Find Deal
Tue, 23 Sep - Wed, 1 Oct
United Airlines Logo
01:05 - 20:40SJU-LHR
14h 35m1 stop
United Airlines Logo
13:00 - 23:57LHR-SJU
15h 57m1 stop
£432United Airlines
Find Deal
Tue, 23 Sep - Wed, 1 Oct
Delta Logo
07:15 - 08:45SJU-LHR
21h 30m2 stops
Delta Logo
15:50 - 13:52LHR-SJU
26h 02m2 stops
£439Delta
Find Deal
Wed, 29 Oct - Thu, 6 Nov
Iberia Logo
16:50 - 12:05SJU-LHR
15h 15m1 stop
Iberia Logo
09:15 - 19:55LHR-SJU
14h 40m1 stop
£446Iberia
Find Deal
Thu, 22 Jan - Thu, 29 Jan
Iberia Logo
06:00 - 09:25SJU-LHR
22h 25m1 stop
Iberia Logo
19:10 - 15:05LHR-SJU
24h 55m1 stop
£454Iberia
Find Deal
Sun, 17 Aug - Sat, 23 Aug

American Airlines flights from San Juan Luis Munoz Marin Intl Airport to London

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
American Airlines
24 Sept
SJU16:43San Juan Luis Munoz Marin Intl
14h 47m
1 stop
LHR12:30London Heathrow
1 Oct
LHR13:40London Heathrow
26h 31m
1 stop
SJU11:11San Juan Luis Munoz Marin Intl
American Airlines
9 Nov
SJU06:00San Juan Luis Munoz Marin Intl
23h 00m
2 stops
LGW09:00London Gatwick
20 Nov
LGW12:30London Gatwick
29h 11m
2 stops
SJU13:41San Juan Luis Munoz Marin Intl

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

Our best KLM deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
KLM
19 Aug
SJU13:34San Juan Luis Munoz Marin Intl
15h 26m
1 stop
LGW10:00London Gatwick
26 Aug
LGW12:00London Gatwick
16h 51m
1 stop
SJU23:51San Juan Luis Munoz Marin Intl
KLM
9 Nov
SJU14:08San Juan Luis Munoz Marin Intl
12h 42m
1 stop
LHR06:50London Heathrow
20 Nov
LHR10:10London Heathrow
17h 40m
1 stop
SJU23:50San Juan Luis Munoz Marin Intl
KLM
3 Sept
SJU13:34San Juan Luis Munoz Marin Intl
15h 26m
1 stop
LGW10:00London Gatwick
7 Sept
LGW12:00London Gatwick
16h 51m
1 stop
SJU23:51San Juan Luis Munoz Marin Intl

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 5 August 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

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Tue 19/8

13:34-10:00

1 stop15h 26m

London Gatwick

Tue 26/8

12:00-23:51

1 stop16h 51m

£400

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sun 9/11

06:00-09:00

2 stops23h 00m

London Gatwick

Thu 20/11

11:20-12:05

2 stops28h 45m

£404

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 9/11

14:08-06:50

1 stop12h 42m

London Heathrow

Thu 20/11

10:10-23:50

1 stop17h 40m

£424

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 10/9

07:00-06:25

1 stop18h 25m

London Heathrow

Wed 17/9

06:30-23:44

2 stops22h 14m

£427

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 10/9

18:00-12:35

1 stop13h 35m

London Heathrow

Wed 17/9

06:30-23:44

2 stops22h 14m

£430

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 23/9

01:05-06:30

2 stops24h 25m

London Heathrow

Wed 1/10

13:00-23:57

1 stop15h 57m

£431

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 23/9

01:05-20:40

1 stop14h 35m

London Heathrow

Wed 1/10

13:00-23:57

1 stop15h 57m

£432

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 29/10

07:15-08:45

2 stops21h 30m

London Heathrow

Thu 6/11

15:50-13:52

2 stops26h 02m

£439

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 22/1

16:50-12:05

1 stop15h 15m

London Heathrow

Thu 29/1

09:15-19:55

1 stop14h 40m

£446

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 17/8

06:00-09:25

1 stop22h 25m

London Heathrow

Sat 23/8

19:10-15:05

1 stop24h 55m

£454

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to London?

The cheapest month to fly to London from San Juan Luis Munoz Marin Intl Airport is in September. Flight prices, which tend to average around £492, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around £497.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £497. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Juan Luis Munoz Marin Intl Airport to London for around £796.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £497. Flights in the morning are often more expensive, with an average ticket price of £861.

How far in advance should I book a flight 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 £609 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 £481 on momondo.

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

As of August 2025, prices for San Juan Luis Munoz Marin Intl Airport to London flights are approximately 33% cheaper 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

Best price found

£195

Fastest flight time

12h 20m

Direct flights

None

Airports in London

3 airports
The best one-way flight to London from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is £195. The best return flight deal from San Juan Luis Munoz Marin Intl Airport to London found on momondo in the last 72 hours is £400.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London takes 12h 20m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to London. Popular non-direct routes for this connection are San Juan Luis Munoz Marin Intl Airport - London Gatwick Airport and San Juan Luis Munoz Marin Intl Airport - London Heathrow Airport.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

  • 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 12h 20m, 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?

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Winchester
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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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1 adult
Sun 10/8
Sun 17/8

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