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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £196

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.
Iberia Logo
18:10 - 10:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 25m1 stop Madrid Barajas
Iberia Logo
11:15 - 21:38LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 23m1 stop Miami
£508Iberia
Thu, 26 Nov - Thu, 3 Dec
British Airways Logo
13:00 - 06:45SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 45m1 stop Miami
British Airways Logo
06:00 - 21:36LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 36m2 stops Barcelona-El Prat Miami
£518British Airways
Wed, 11 Nov - Tue, 24 Nov
Iberia Logo
18:55 - 12:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 10m1 stop Miami
Iberia Logo
10:45 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
13h 15m1 stop Madrid Barajas
£523Iberia
Mon, 2 Nov - Mon, 16 Nov
Iberia Logo
19:00 - 12:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 05m1 stop Miami
Iberia Logo
10:45 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
13h 15m1 stop Madrid Barajas
£527Iberia
Wed, 24 Feb - Sat, 6 Mar
Virgin Atlantic Logo
14:10 - 08:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 55m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
06:20 - 23:15LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 55m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£530Virgin Atlantic
Mon, 9 Nov - Mon, 16 Nov
Delta Logo
07:00 - 08:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
21h 05m1 stop New York John F Kennedy Intl
Delta Logo
08:55 - 23:15LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 20m1 stop Atlanta Hartsfield-Jackson
£534Delta
Wed, 11 Nov - Tue, 24 Nov
Iberia Logo
18:55 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 45m1 stop Miami
Iberia Logo
10:45 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
13h 15m1 stop Madrid Barajas
£535Iberia
Mon, 16 Nov - Fri, 20 Nov
Iberia Logo
18:55 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 45m1 stop Miami
Iberia Logo
10:45 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
13h 15m1 stop Madrid Barajas
£536Iberia
Mon, 16 Nov - Fri, 20 Nov
Delta Logo
14:59 - 12:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 06m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
20:05 - 16:49LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
25h 44m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
£537Delta
Wed, 14 Oct - Wed, 21 Oct
Virgin Atlantic Logo
18:05 - 06:20SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
32h 15m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
11:35 - 23:55LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
16h 20m1 stop New York John F Kennedy Intl
£538Virgin Atlantic
Mon, 28 Dec - Fri, 8 Jan

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

Our best Virgin Atlantic deals on San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight tickets
Virgin Atlantic
9 Nov
SJU14:10San Juan Luis Munoz Marin Intl
13h 55m
1 stop
LHR08:05London Heathrow
16 Nov
LHR06:20London Heathrow
20h 55m
2 stops
SJU23:15San Juan Luis Munoz Marin Intl
£530
Virgin Atlantic
19 Feb
SJU18:30San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LHR11:40London Heathrow
7 Mar
LHR15:50London Heathrow
29h 15m
1 stop
SJU17:05San Juan Luis Munoz Marin Intl
£535
Virgin Atlantic
28 Dec
SJU18:05San Juan Luis Munoz Marin Intl
32h 15m
1 stop
LHR06:20London Heathrow
8 Jan
LHR11:35London Heathrow
16h 20m
1 stop
SJU23:55San Juan Luis Munoz Marin Intl
£538

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

Our best Iberia deals on San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight tickets
Iberia
26 Nov
SJU18:10San Juan Luis Munoz Marin Intl
12h 25m
1 stop
LHR10:35London Heathrow
3 Dec
LHR11:15London Heathrow
14h 23m
1 stop
SJU21:38San Juan Luis Munoz Marin Intl
£508
Iberia
2 Nov
SJU18:55San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LHR12:05London Heathrow
16 Nov
LHR10:45London Heathrow
13h 15m
1 stop
SJU20:00San Juan Luis Munoz Marin Intl
£523
Iberia
24 Feb
SJU19:00San Juan Luis Munoz Marin Intl
13h 05m
1 stop
LHR12:05London Heathrow
6 Mar
LHR10:45London Heathrow
13h 15m
1 stop
SJU20:00San Juan Luis Munoz Marin Intl
£527

momondo Fare Finder

 
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport that are best for you.

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Depart

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Price

Cheapest return flight

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

18:10-10:35

1 stop12h 25m

London Heathrow

Thu 3/12

11:15-21:38

1 stop14h 23m

£508

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

13:00-06:45

1 stop13h 45m

London Heathrow

Tue 24/11

06:00-21:36

2 stops19h 36m

£518

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 2/11

18:55-12:05

1 stop13h 10m

London Heathrow

Mon 16/11

10:45-20:00

1 stop13h 15m

£523

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 24/2

19:00-12:05

1 stop13h 05m

London Heathrow

Sat 6/3

10:45-20:00

1 stop13h 15m

£527

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 9/11

14:10-08:05

1 stop13h 55m

London Heathrow

Mon 16/11

06:20-23:15

2 stops20h 55m

£530

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

07:00-08:05

1 stop21h 05m

London Heathrow

Tue 24/11

08:55-23:15

1 stop18h 20m

£534
Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-11:40

1 stop12h 45m

London Heathrow

Fri 20/11

10:45-20:00

1 stop13h 15m

£535

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-11:40

1 stop12h 45m

London Heathrow

Fri 20/11

10:45-20:00

1 stop13h 15m

£536

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 14/10

14:59-12:05

2 stops16h 06m

London Heathrow

Wed 21/10

20:05-16:49

2 stops25h 44m

£537

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 28/12

18:05-06:20

1 stop32h 15m

London Heathrow

Fri 8/1

11:35-23:55

1 stop16h 20m

£538

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 Heathrow Airport

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 Heathrow Airport?

In general, April is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £532. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around £570.

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

You are more likely to see cheaper flights to London Heathrow Airport 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 Heathrow Airport for around £682 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Juan Luis Munoz Marin Intl Airport for as low as £589 on momondo.

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

As of September 2026, prices for San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights are approximately 44% 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 Heathrow Airport

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 Heathrow Airport 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 Heathrow Airport (SJU to LHR) 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 Heathrow Airport

Best price found

£196

Fastest flight time

12h 30m

Direct flights

None
The best one-way flight to London Heathrow Airport from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is £196. The best return flight deal from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is £508.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport takes 12h 30m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport.
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Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

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

    A flight from San Juan Luis Munoz Marin Intl to London Heathrow will travel around 4178.9 mi. By plane, this route typically takes 12h 30m.

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

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

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

    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 Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Canterbury
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Bedford

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?

Yes. momondo enables you to select and highlight flights to London from San Juan with this policy.

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

momondo helps you find the best flight between San Juan and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from San Juan. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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