Cheap flights from London Heathrow Airport to Puerto Rico from £232
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Puerto Rico
Keep the following information in mind while searching for Heathrow to Puerto Rico flight deals. Data was last updated 11 July 2025.
Round-trip from | £483 |
---|---|
One-way from | £232 |
Popular in | July |
Cheapest in | September |
Average price | £932 |
Find flight deals from Heathrow to Puerto Rico
Cheapest flights from Heathrow to Puerto RicoExplore the most affordable flight options available from Heathrow to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Heathrow to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Wed 3/9
08:15-16:52
1 stop13h 37m
San Juan Luis Munoz Marin Intl
Wed 17/9
12:50-09:30
1 stop15h 40m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 7/11
12:20-03:49
1 stop19h 29m
San Juan Luis Munoz Marin Intl
Sat 15/11
18:51-20:45
2 stops21h 54m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Thu 18/9
12:45-11:34
2 stops27h 49m
San Juan Luis Munoz Marin Intl
Wed 24/9
01:59-10:30
2 stops27h 31m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 7/11
12:25-03:49
2 stops19h 24m
San Juan Luis Munoz Marin Intl
Sat 15/11
16:09-18:55
2 stops22h 46m
LondonAguadilla
LHR - BQN
LHRBQN
London Heathrow
Sat 15/11
13:25-23:57
2 stops38h 32m
Aguadilla Borinquen
Tue 18/11
01:09-07:10
2 stops26h 01m
LondonMayagüez
LHR - MAZ
LHRMAZ
London Heathrow
Fri 31/10
16:20-16:27
2 stops52h 07m
Mayagüez Eugenio M De Hostos
Tue 4/11
14:00-06:40
2 stops36h 40m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Thu 25/9
20:50-00:44
3 stops56h 54m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 29/8
08:25-17:42
1 stop14h 17m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Thu 28/8
22:05-16:50
1 stop23h 45m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Sat 23/8
08:25-17:42
1 stop14h 17m
Best time to book a flight from Heathrow to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Puerto Rico
What is the cheapest month to book a flight from London Heathrow Airport to Puerto Rico?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £631). Flying from London Heathrow Airport to Puerto Rico in July is currently the most expensive (average of £1,027). 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.
What is the cheapest time of day to fly from LHR to PR?
Find hourly flight availability from Heathrow to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
When flying from London Heathrow Airport to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Puerto Rico, such as Delta, United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Colin,Sept 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Heathrow to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Heathrow to Puerto Rico
Discover the top 6 airlines that operate flights from Heathrow to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
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How does Cheapflights help users find flights from Heathrow to Puerto Rico?
Cheapflights makes it easy to find Heathrow to Puerto Rico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Puerto Rico?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Puerto Rico.
Can Cheapflights find flights from Heathrow to Puerto Rico with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Puerto Rico flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to Puerto Rico become cheaper?
Of course! You can now track prices for flights from Heathrow to Puerto Rico and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.