£201 Find Cheap Flights from Puerto Rico to London – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Puerto Rico to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Puerto Rico to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Puerto Rico to London

Wed, 29 Jul - Wed, 4 Nov
Multiple Airlines Logo
15:36 - 10:00
SJU
-
LGW
37h 24m
2 stops
Multiple Airlines Logo
10:10 - 02:50
LGW
-
SJU
20h 40m
1 stop
£549Multiple Airlines
Wed, 29 Jul - Thu, 15 Oct
Multiple Airlines Logo
15:36 - 10:00
SJU
-
LGW
37h 24m
2 stops
Multiple Airlines Logo
14:00 - 01:53
LGW
-
SJU
16h 53m
1 stop
£559Multiple Airlines
Mon, 10 Aug - Thu, 27 Aug
Multiple Airlines Logo
12:49 - 10:00
SJU
-
LGW
16h 11m
1 stop
Multiple Airlines Logo
14:00 - 23:29
LGW
-
SJU
14h 29m
1 stop
£562Multiple Airlines
Thu, 26 Nov - Thu, 3 Dec
Iberia Logo
14:41 - 08:15
SJU
-
LHR
13h 34m
1 stop
Iberia Logo
06:15 - 20:00
LHR
-
SJU
17h 45m
1 stop
£563Iberia
Wed, 29 Jul - Fri, 6 Nov
Multiple Airlines Logo
20:37 - 10:00
SJU
-
LGW
32h 23m
1 stop
Multiple Airlines Logo
12:35 - 02:50
LGW
-
SJU
18h 15m
1 stop
£566Multiple Airlines
Mon, 16 Nov - Fri, 20 Nov
Virgin Atlantic Logo
15:35 - 11:40
SJU
-
LHR
16h 05m
1 stop
Virgin Atlantic Logo
10:10 - 23:55
LHR
-
SJU
17h 45m
1 stop
£574Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
18:35 - 11:40
SJU
-
LHR
13h 05m
1 stop
Virgin Atlantic Logo
19:20 - 23:20
LHR
-
SJU
32h 00m
2 stops
£576Virgin Atlantic
Tue, 22 Sep - Tue, 29 Sep
Iberia Logo
14:58 - 09:00
SJU
-
LHR
13h 02m
1 stop
Iberia Logo
11:30 - 18:30
LHR
-
SJU
12h 00m
1 stop
£602Iberia
Sun, 20 Sep - Fri, 25 Sep
American Airlines Logo
16:06 - 12:10
SJU
-
LHR
15h 04m
1 stop
American Airlines Logo
06:15 - 18:50
LHR
-
SJU
17h 35m
1 stop
£608American Airlines
Wed, 11 Nov - Tue, 24 Nov
KLM Logo
14:30 - 16:35
SJU
-
LCY
22h 05m
2 stops
KLM Logo
09:20 - 23:13
LCY
-
SJU
17h 53m
2 stops
£634KLM
Booking Insights

KAYAK's insights & trends for flights to London

Get data-powered insights and trends into flights to London to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to London is February, where tickets cost £75 on average for return flights. On the other hand, the most expensive months are June and July, where the average cost of tickets from Puerto Rico is £609 and £462 respectively. For one-way flights, the best month to travel is September with an average price of £160.

How far in advance should I book a flight to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 2 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 2 weeks before departure.

Which is the cheapest airport to fly into in London?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in London is London Stansted Airport (STN), with an average flight price of £80.

Good to know - Cheap tickets from Puerto Rico to London

Low seasonMay
Cheapest flight£201
Best time to beat the crowds but there is an average 15% increase in price.
Most popular time to fly (15% more expensive on average)
Flight from San Juan to London Heathrow Airport

FAQs - booking London flights

  • Which London airport is closest to central London?

    There are 6 major airports in London. The nearest airport from London city centre is London City (8 miles), followed by London Heathrow Airport (14 miles), London Gatwick Airport (24 miles), and London Luton Airport (28 miles).

  • How does KAYAK find such low prices on flights to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to London are there each week?

    Each week there are around 1,976 direct flights from within Puerto Rico to London. The most common day for departures is Monday, with 19% of flights taking off on this day.

Top tips for finding cheap flights to London

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London flight deals.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Hounslow
Luton
Southend-on-Sea
Slough
Winchester
Stansted
Croydon
Folkestone
Chichester
Colchester
Maidstone
Crawley
Newport
Chelmsford
Bedford
Hastings
Richmond

Everything you need to know for your flight to London

Cabin class types available on flights to London

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.