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Cheap flights from London Heathrow Airport to Puerto Rico from £366

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Puerto Rico
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 29 April 2026.

Thu 5/1112:20
LHR
-
SJU
1 stop28h 03m
JetBlue
Wed 11/1114:00
SJU
-
LHR
1 stop15h 30m
JetBlue
Deal found 25/4£581
Sat 14/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Sat 21/1120:20
SJU
-
LHR
1 stop20h 25m
JetBlue
Deal found 26/4£582
Sat 7/1109:20
LHR
-
SJU
1 stop19h 05m
JetBlue
Wed 18/1116:00
SJU
-
LHR
1 stop13h 30m
JetBlue
Deal found 28/4£582
Mon 2/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Thu 12/1107:00
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 25/4£627
Mon 14/908:15
LHR
-
SJU
1 stop19h 27m
JetBlue
Sun 27/906:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 27/4£633
Wed 11/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Mon 23/1103:15
SJU
-
LHR
1 stop14h 25m
JetBlue
Deal found 29/4£636
Sat 9/508:15
LHR
-
SJU
1 stop31h 09m
JetBlue
Tue 12/506:18
SJU
-
LHR
1 stop33h 27m
JetBlue
Deal found 25/4£645
Thu 28/507:05
LHR
-
SJU
2 stops20h 37m
Multiple Airlines
Thu 4/607:30
SJU
-
LHR
2 stops26h 05m
Multiple Airlines
Deal found 28/4£655
Fri 6/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Mon 9/1107:00
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 25/4£656
Sun 20/908:15
LHR
-
SJU
1 stop16h 17m
JetBlue
Mon 5/1006:00
SJU
-
LHR
1 stop19h 30m
JetBlue
Deal found 28/4£657
Fri 6/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Tue 10/1114:00
SJU
-
LHR
1 stop15h 30m
JetBlue
Deal found 27/4£659
Thu 11/608:05
LHR
-
BQN
1 stop23h 00m
Multiple Airlines
Wed 17/603:00
BQN
-
LHR
1 stop23h 55m
Multiple Airlines
Deal found 26/4£832

Find 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 29 April 2026.

Round-trip from

£633

One-way from

£366

Popular in

July

Cheapest in

February

Average price

£750
JetBlue
  • JetBlue
  • 14/9-27/9
  • 2 total stops
  • 53h 12m total
  • London to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 22/5
  • 1 total stop
  • 14h 36m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 29 April 2026.
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

Cheapest return flight

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 20/9

08:15-19:32

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Mon 5/10

06:00-06:30

1 stop19h 30m

£657

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 5/6

08:40-21:42

1 stop18h 02m

San Juan Luis Munoz Marin Intl

Wed 10/6

20:06-20:45

1 stop19h 39m

£675

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

08:15-23:49

1 stop20h 34m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-06:30

1 stop19h 18m

£681

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

12:00-13:08

2 stops30h 08m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-17:45

2 stops30h 33m

£804

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 14/5

09:15-19:05

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Mon 18/5

20:40-19:10

1 stop17h 30m

£831

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 11/6

08:05-02:05

1 stop23h 00m

Aguadilla Borinquen

Wed 17/6

03:00-07:55

1 stop23h 55m

£832

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 11/8

11:20-09:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Tue 18/8

16:30-22:00

2 stops24h 30m

£864

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 30/6

21:25-02:28

2 stops34h 03m

San Juan Luis Munoz Marin Intl

Wed 15/7

08:30-20:20

2 stops30h 50m

£901
Fastest return journey

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 22/8

08:15-19:10

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Mon 31/8

15:10-09:30

1 stop13h 20m

£907

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 16/7

08:15-19:50

1 stop16h 35m

San Juan Luis Munoz Marin Intl

Thu 23/7

13:30-09:30

1 stop15h 00m

£911

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Puerto Rico

How far ahead should I book a flight from London Heathrow Airport to Puerto Rico?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Puerto Rico, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Puerto Rico?

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £140). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £510). 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.

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 29 April 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Puerto Rico, such as Virgin Atlantic,JetBlue, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.4
Good
688 reviews
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
JetBlue
7.2
Good
2,968 reviews
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Icelandair
7.0
Good
646 reviews
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Iberia
7.0
Good
3,203 reviews
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
7,932 reviews
Virgin Atlantic
7.4
Good
688 reviews
Check prices

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.9

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

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.

  • How long is the flight from London Heathrow Airport to Puerto Rico?

    JetBlue, TAP AIR PORTUGAL, and United Airlines can get you from London Heathrow Airport to Puerto Rico in just under 16h 17m. Your travel time can differ by up to 13h 51m. The distance between London Heathrow Airport and Puerto Rico is about 4179 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London Heathrow Airport to Puerto Rico?

    Most travelers choose London Heathrow - San Juan Luis Munoz Marin Intl, London Heathrow - Mayagüez Eugenio M De Hostos or London Heathrow - Aguadilla Borinquen when deciding on the best route from London Heathrow Airport to Puerto Rico.

  • Can I find deals for flights from Heathrow to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Heathrow to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Puerto Rico.

  • Can I find deals for business class flights from Heathrow to Puerto Rico?

    Yes. Cheapflights offers flight deals from Heathrow to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Puerto Rico?

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £140). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £510). 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.

See more FAQs

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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.
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Top 7 airlines flying from Heathrow to Puerto Rico

Discover the top 7 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£330Average£1,030FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£419Average£611FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£485Average£799FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£490Average£654FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£533Average£591FlexibilityNo cancel feeOn-time71%
Search Avianca flights
British AirwaysCheapest£535Average£989FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£580Average£916FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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