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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £198

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.
United Airlines Logo
02:05 - 21:20SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 15m1 stop Newark
United Airlines Logo
06:50 - 11:50LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
33h 00m2 stops Brussels Bruxelles-National Newark
£519United Airlines
Tue, 1 Dec - Thu, 3 Dec
United Airlines Logo
08:05 - 06:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
18h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
09:00 - 14:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
33h 40m2 stops Zurich Newark
£520United Airlines
Sun, 6 Dec - Mon, 7 Dec
United Airlines Logo
02:05 - 07:10SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
25h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
12:05 - 11:50LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
27h 45m2 stops Zurich Newark
£522United Airlines
Sat, 5 Dec - Mon, 7 Dec
Virgin Atlantic Logo
07:00 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
24h 40m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:30 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£525Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
07:30 - 07:25SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
18h 55m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
08:40 - 23:19LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 39m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£535Virgin Atlantic
Mon, 29 Mar - Mon, 5 Apr
Virgin Atlantic Logo
16:20 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 20m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:30 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£536Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
13:15 - 10:20SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 05m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
06:30 - 20:20LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 50m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£537Virgin Atlantic
Tue, 20 Apr - Tue, 27 Apr
United Airlines Logo
08:05 - 10:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
22h 00m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National
United Airlines Logo
13:00 - 00:36LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
39h 36m2 stops Montreal Pierre Elliott Trudeau Intl Newark
£539United Airlines
Wed, 2 Dec - Thu, 3 Dec
Virgin Atlantic Logo
13:00 - 07:25SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 25m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
08:55 - 23:19LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 24m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£540Virgin Atlantic
Thu, 22 Apr - Wed, 28 Apr
Iberia Logo
15:14 - 08:15SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 01m1 stop Miami
Iberia Logo
11:25 - 20:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
12h 35m1 stop Madrid Barajas
£540Iberia
Wed, 3 Feb - Wed, 17 Feb

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

Our best United Airlines deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
United Airlines
1 Dec
SJU02:05San Juan Luis Munoz Marin Intl
15h 15m
1 stop
LHR21:20London Heathrow
3 Dec
LHR06:50London Heathrow
33h 00m
2 stops
SJU11:50San Juan Luis Munoz Marin Intl
£519
United Airlines
6 Dec
SJU08:05San Juan Luis Munoz Marin Intl
18h 35m
1 stop
LHR06:40London Heathrow
7 Dec
LHR09:00London Heathrow
33h 40m
2 stops
SJU14:40San Juan Luis Munoz Marin Intl
£520
United Airlines
5 Dec
SJU02:05San Juan Luis Munoz Marin Intl
25h 05m
2 stops
LHR07:10London Heathrow
7 Dec
LHR12:05London Heathrow
27h 45m
2 stops
SJU11:50San Juan Luis Munoz Marin Intl
£522

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

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
JetBlue
8 Dec
SJU13:55San Juan Luis Munoz Marin Intl
27h 45m
1 stop
LHR21:40London Heathrow
15 Dec
LHR07:25London Heathrow
14h 59m
1 stop
SJU18:24San Juan Luis Munoz Marin Intl
£570
JetBlue
11 Nov
SJU13:55San Juan Luis Munoz Marin Intl
15h 35m
1 stop
LHR09:30London Heathrow
24 Nov
LHR07:25London Heathrow
15h 15m
1 stop
SJU18:40San Juan Luis Munoz Marin Intl
£586
JetBlue
11 Nov
SJU16:00San Juan Luis Munoz Marin Intl
13h 30m
1 stop
LHR09:30London Heathrow
16 Nov
LHR08:05London Heathrow
16h 43m
1 stop
SJU20:48San Juan Luis Munoz Marin Intl
£586

momondo Fare Finder

 
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 San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 1/12

02:05-21:20

1 stop15h 15m

London Heathrow

Thu 3/12

06:50-11:50

2 stops33h 00m

£519

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sun 6/12

08:05-06:40

1 stop18h 35m

London Heathrow

Mon 7/12

09:00-14:40

2 stops33h 40m

£520

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sat 5/12

02:05-07:10

2 stops25h 05m

London Heathrow

Mon 7/12

12:05-11:50

2 stops27h 45m

£522

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

07:00-11:40

1 stop24h 40m

London Heathrow

Thu 3/12

06:30-23:13

2 stops20h 43m

£525

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 29/3

07:30-07:25

1 stop18h 55m

London Heathrow

Mon 5/4

08:40-23:19

2 stops19h 39m

£535

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

16:20-11:40

1 stop15h 20m

London Heathrow

Thu 3/12

06:30-23:13

2 stops20h 43m

£536

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 20/4

13:15-10:20

1 stop16h 05m

London Heathrow

Tue 27/4

06:30-20:20

2 stops18h 50m

£537

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 2/12

08:05-10:05

2 stops22h 00m

London Heathrow

Thu 3/12

13:00-00:36

2 stops39h 36m

£539

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 22/4

13:00-07:25

1 stop13h 25m

London Heathrow

Wed 28/4

08:55-23:19

2 stops19h 24m

£540
Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 3/2

15:14-08:15

1 stop13h 01m

London Heathrow

Wed 17/2

11:25-20:00

1 stop12h 35m

£540

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

Prices are currently low for flights on this route.

Typical prices usually range from £539 to £660.
The lowest price recently found on this route was £519.

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 £537, 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 £559.

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 £698 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 £548 on momondo.

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

You could potentially save up to 67% 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 October 2026, prices for San Juan Luis Munoz Marin Intl Airport to London flights are approximately 6% 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

£198

Fastest flight time

11h 48m

Direct flights

None
The best one-way flight to London from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is £198. The best return flight deal from San Juan Luis Munoz Marin Intl Airport to London found on momondo in the last 72 hours is £519.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London takes 11h 48m
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 48m, 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
Southend-on-Sea
Luton
Ipswich
Slough
Maidstone
Folkestone
Hastings
Ilford
Canterbury
Colchester
Chichester
Guildford
Hayes
Bedford
Winchester
Worthing

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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