Cheap flights from Puerto Rico to London from £199
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Puerto Rico to London
Cheapest flights from Puerto Rico to LondonExplore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.
Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.
Best flights from Puerto Rico to LondonDiscover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Discover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Last-minute flights from Puerto Rico to LondonDiscover last-minute flight deals from Puerto Rico to London. Data last updated 7 October 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to London. Data last updated 7 October 2026 and is based on user searches.
One-way flights from Puerto Rico to LondonSearch for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
Search for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
Find flight deals from Puerto Rico to London
Keep the following information in mind while searching for Puerto Rico to London flight deals. Data was last updated 7 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Puerto Rico to London that are best for you.
Fly from
Fly to
Route
Depart
Return
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Sat 30/1
17:50-10:50
1 stop13h 00m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 17/11
13:00-12:00
2 stops19h 00m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Mon 16/11
17:50-20:35
2 stops22h 45m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Thu 4/2
08:05-06:40
1 stop18h 35m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 3/2
08:25-05:55
1 stop17h 30m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 17/11
07:00-09:25
1 stop22h 25m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 11/11
13:52-07:50
1 stop13h 58m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Wed 10/3
08:25-07:55
1 stop19h 30m
London Heathrow
Wed 31/12
00:00-19:00
Nonstop0h 00m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Thu 5/11
13:00-08:25
1 stop15h 25m
London Heathrow
Mon 9/11
06:50-00:36
2 stops21h 46m
San JuanLondon
SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow
SJULHR
San Juan Luis Munoz Marin Intl
Tue 9/3
02:05-07:40
2 stops25h 35m
London Heathrow
Mon 15/3
12:05-10:50
2 stops26h 45m
Best time to book a flight from Puerto Rico to London
Have a flexible travel schedule? Discover the best time to fly to London from Puerto Rico with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Puerto Rico to London
What is the cheapest month to book a flight from Puerto Rico to London?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London (average of £476). Flying from Puerto Rico to London in June is currently the most expensive (average of £920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Puerto Rico to London?
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London?
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Alternative routes for Puerto Rico to London
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to England
Book a non-stop flight to one of these other cities located in England.
Search flights from Puerto Rico to London by cabin class
Find flights from Puerto Rico to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.
Puerto Rico and London flights
Browse other Puerto Rico and London flight options. Last updated on 7 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Fly with Cheapflights
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How does Cheapflights help users find flights from Puerto Rico to London?
Deals for Puerto Rico to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Puerto Rico to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Puerto Rico.
Can Cheapflights find flights from Puerto Rico to London with no change fees?
Certainly. Search results for flights to London from Puerto Rico shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Puerto Rico to London become cheaper?
Not ready to book yet? You can track prices for flights from Puerto Rico to London on Cheapflights with our Price Alert feature and get notified when better prices are available.