£186 Find Cheap Flights from Puerto Rico to London

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 24/2. 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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 25% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£412
Typical prices: £453-£605
Iberia
Tue 24/2Tue 3/3
SJU - LHR • 1 stop
Cheapest one-way flight
£186
Multiple Airlines
Tue 24/2
SJU - LGW • 2 stops
When to travel
February
Cheapest • 24% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to London!
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

Tue, 24 Feb - Tue, 3 Mar
Iberia Logo
16:40 - 12:05
SJU
-
LHR
15h 25m
1 stop
Iberia Logo
10:45 - 19:55
LHR
-
SJU
13h 10m
1 stop
£412Iberia
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
14:10 - 08:25
SJU
-
LHR
14h 15m
1 stop
United Airlines Logo
06:50 - 21:00
LHR
-
SJU
18h 10m
2 stops
£415United Airlines
Tue, 24 Feb - Tue, 3 Mar
United Airlines Logo
16:52 - 11:15
SJU
-
LHR
14h 23m
1 stop
United Airlines Logo
06:50 - 21:00
LHR
-
SJU
18h 10m
2 stops
£419United Airlines
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
08:30 - 09:20
SJU
-
LHR
20h 50m
2 stops
United Airlines Logo
06:50 - 22:22
LHR
-
SJU
19h 32m
2 stops
£420United Airlines
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
14:23 - 08:35
SJU
-
LHR
14h 12m
1 stop
British Airways Logo
11:25 - 19:55
LHR
-
SJU
12h 30m
1 stop
£420British Airways
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
12:27 - 10:00
SJU
-
LGW
17h 33m
1 stop
Multiple Airlines Logo
14:00 - 23:09
LGW
-
SJU
37h 09m
1 stop
£519Multiple Airlines
Fri, 3 Apr - Tue, 7 Apr
Multiple Airlines Logo
07:00 - 10:00
SJU
-
LGW
22h 00m
1 stop
Multiple Airlines Logo
14:00 - 08:53
LGW
-
SJU
23h 53m
1 stop
£522Multiple Airlines
Wed, 18 Feb - Thu, 26 Feb
British Airways Logo
21:25 - 14:05
SJU
-
LCY
12h 40m
1 stop
British Airways Logo
07:50 - 16:40
LCY
-
SJU
12h 50m
1 stop
£657British Airways
Sun, 22 Mar - Mon, 30 Mar
KLM Logo
13:14 - 09:30
SJU
-
LCY
16h 16m
2 stops
KLM Logo
09:20 - 23:15
LCY
-
SJU
18h 55m
2 stops
£742KLM
Sun, 22 Mar - Mon, 30 Mar
KLM Logo
13:14 - 09:30
SJU
-
LCY
16h 16m
2 stops
KLM Logo
08:25 - 23:59
LCY
-
SJU
20h 34m
2 stops
£742KLM
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 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 £423 on average for one-way flights. On the other hand, the most expensive months are June and July, where the average cost of tickets from Puerto Rico is £836 and £684 respectively. For return trips, the best month to travel is February with an average price of £423.

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 0 weeks before departure. For the absolute cheapest price, our data suggests you should book 69 days 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, with an average flight price of £96.

Good to know - Cheap tickets from Puerto Rico to London

Low seasonSeptember
Cheapest flight£186
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flight from San Juan to London Gatwick 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 828 direct flights from within Puerto Rico to London. The most common day for departures is Friday, with 16% 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
Croydon
Stansted
Folkestone
Maidstone
Chichester
Colchester
Chelmsford
Crawley
Richmond
Bedford
Hastings
Watford

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.