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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London from £236

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 4/7. 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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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to London

Cheap return flights

These are some of the best return flight deals from San Juan Luis Munoz Marin Intl Airport to London that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
08:30 - 06:55SJU-LHR
17h 25m1 stop
American Airlines Logo
06:15 - 18:35LHR-SJU
17h 20m1 stop
£467American Airlines
Find Deal
수, 10 9월 - 목, 18 9월
American Airlines Logo
15:00 - 10:55SJU-LHR
14h 55m1 stop
American Airlines Logo
06:10 - 15:05LHR-SJU
13h 55m1 stop
£482American Airlines
Find Deal
수, 27 8월 - 화, 9 9월
Delta Logo
07:00 - 10:00SJU-LGW
22h 00m1 stop
Delta Logo
12:00 - 23:46LGW-SJU
16h 46m1 stop
£487Delta
Find Deal
일, 24 8월 - 일, 7 9월
British Airways Logo
11:55 - 06:55SJU-LHR
14h 00m1 stop
British Airways Logo
06:15 - 18:35LHR-SJU
17h 20m1 stop
£491British Airways
Find Deal
목, 4 9월 - 목, 18 9월
Delta Logo
13:25 - 06:45SJU-LHR
12h 20m1 stop
Delta Logo
09:20 - 22:08LHR-SJU
17h 48m1 stop
£494Delta
Find Deal
화, 2 9월 - 화, 9 9월
 Logo
16:05 - 10:20SJU-LHR
13h 15m1 stop
 Logo
20:00 - 15:10LHR-SJU
24h 10m1 stop
월, 13 10월 - 월, 20 10월
British Airways Logo
16:49 - 10:35SJU-LHR
12h 46m1 stop
British Airways Logo
12:15 - 00:05LHR-SJU
16h 50m1 stop
£514British Airways
Find Deal
수, 27 8월 - 월, 1 9월
Icelandair Logo
17:10 - 20:45SJU-LHR
22h 35m1 stop
Icelandair Logo
08:25 - 23:25LHR-SJU
20h 00m1 stop
£546Icelandair
Find Deal
화, 13 5월 - 화, 27 5월
Icelandair Logo
17:10 - 20:45SJU-LHR
22h 35m1 stop
Icelandair Logo
08:25 - 01:49LHR-SJU
22h 24m2 stops
£569Icelandair
Find Deal
화, 13 5월 - 화, 27 5월
 Logo
14:05 - 06:55SJU-LGW
35h 50m1 stop
 Logo
10:00 - 20:54LGW-SJU
15h 54m1 stop
목, 19 6월 - 월, 23 6월

British Airways flights from San Juan Luis Munoz Marin Intl Airport to London

Our best British Airways deals on San Juan Luis Munoz Marin Intl Airport to London flight tickets
British Airways
4 Sept
SJU11:55San Juan Luis Munoz Marin Intl
14h 00m
1 stop
LHR06:55London Heathrow
18 Sept
LHR06:15London Heathrow
17h 20m
1 stop
SJU18:35San Juan Luis Munoz Marin Intl
British Airways
27 Aug
SJU16:49San Juan Luis Munoz Marin Intl
12h 46m
1 stop
LHR10:35London Heathrow
1 Sept
LHR12:15London Heathrow
16h 50m
1 stop
SJU00:05San Juan Luis Munoz Marin Intl
British Airways
29 Aug
SJU08:30San Juan Luis Munoz Marin Intl
20h 50m
1 stop
LHR10:20London Heathrow
10 Sept
LHR06:15London Heathrow
17h 15m
1 stop
SJU18:30San Juan Luis Munoz Marin Intl

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
23 Aug
SJU16:55San Juan Luis Munoz Marin Intl
32h 35m
2 stops
LHR06:30London Heathrow
5 Sept
LHR08:30London Heathrow
33h 04m
2 stops
SJU12:34San Juan Luis Munoz Marin Intl
United Airlines
7 Oct
SJU15:56San Juan Luis Munoz Marin Intl
14h 49m
1 stop
LHR11:45London Heathrow
19 Oct
LHR09:30London Heathrow
19h 27m
2 stops
SJU23:57San Juan Luis Munoz Marin Intl
United Airlines
23 Aug
SJU01:05San Juan Luis Munoz Marin Intl
14h 35m
1 stop
LHR20:40London Heathrow
8 Sept
LHR09:30London Heathrow
19h 27m
2 stops
SJU23:57San Juan Luis Munoz Marin Intl

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 £496, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from San Juan Luis Munoz Marin Intl Airport averaging around £499.

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 £494. 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 £792.

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 £494. Flights in the morning are often more expensive, with an average ticket price of £856.

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 5 weeks ahead of your departure date. In general, you can expect to find flights to London for around £613 when searching 5 weeks out.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 £575 on momondo.

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

As of May 2025, prices for San Juan Luis Munoz Marin Intl Airport to London flights are approximately 7% 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

Best price found

£236

Fastest flight time

11h 40m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is £236. The best return flight deal from San Juan Luis Munoz Marin Intl Airport to London found on momondo in the last 72 hours is £467.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to London takes 11h 40m
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, San Juan Luis Munoz Marin Intl Airport - London Heathrow Airport and San Juan Luis Munoz Marin Intl Airport - London City Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW), London Southend (SEN)

  • 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 40m, 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.

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to London?


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Maidstone
Gatwick
Ipswich
Canterbury
Margate
Ilford
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Hounslow
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Winchester
Crawley
Chichester
Croydon

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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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London