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Cheap flights from London Heathrow Airport to Puerto Rico from £424

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
25 Jun — 2 Jul1
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 26 May 2026.

Fri 9/1011:55
LHR
-
SJU
1 stop16h 54m
JetBlue
Sat 17/1015:00
SJU
-
LHR
1 stop13h 30m
JetBlue
Deal found 21/5£536
Fri 4/1208:05
LHR
-
SJU
1 stop23h 43m
JetBlue
Fri 11/1220:10
SJU
-
LHR
1 stop30h 45m
JetBlue
Deal found 24/5£583
Wed 11/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Tue 24/1105:30
SJU
-
LHR
1 stop12h 10m
JetBlue
Deal found 21/5£609
Tue 1/908:40
LHR
-
SJU
1 stop17h 52m
Multiple Airlines
Sat 19/915:10
SJU
-
LHR
1 stop35h 00m
Multiple Airlines
Deal found 23/5£626
Mon 14/908:15
LHR
-
SJU
1 stop19h 27m
JetBlue
Sun 20/919:00
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 23/5£633
Thu 17/908:15
LHR
-
SJU
1 stop19h 27m
JetBlue
Tue 22/919:00
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 21/5£639
Mon 14/908:15
LHR
-
SJU
1 stop19h 27m
JetBlue
Mon 21/906:00
SJU
-
LHR
1 stop19h 30m
JetBlue
Deal found 23/5£642
Fri 11/911:55
LHR
-
SJU
1 stop15h 47m
JetBlue
Mon 21/906:00
SJU
-
LHR
1 stop19h 30m
JetBlue
Deal found 23/5£651
Tue 1/908:40
LHR
-
SJU
1 stop17h 52m
JetBlue
Sat 19/919:00
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 23/5£654
Wed 27/508:15
LHR
-
BQN
1 stop23h 42m
JetBlue
Wed 3/606:30
BQN
-
LHR
1 stop22h 00m
JetBlue
Deal found 21/5£803
Thu 24/1207:25
LHR
-
BQN
1 stop23h 26m
JetBlue
Wed 13/106:15
BQN
-
LHR
1 stop23h 15m
JetBlue
Deal found 23/5£867
Thu 24/1212:20
LHR
-
BQN
1 stop18h 31m
JetBlue
Sat 30/106:15
BQN
-
LHR
1 stop23h 15m
JetBlue
Deal found 25/5£894

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 26 May 2026.

Round-trip from

£536

One-way from

£424

Popular in

December

Cheapest in

February

Average price

£582
JetBlue
  • JetBlue
  • 9/10-17/10
  • 2 total stops
  • 30h 24m total
  • London to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 7/6
  • 1 total stop
  • 18h 02m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 26 May 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
Fastest return journey

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

12:20-01:43

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Tue 24/11

15:25-09:30

1 stop14h 05m

£610

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

£677

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

06:00-00:25

2 stops22h 25m

San Juan Luis Munoz Marin Intl

Tue 24/11

06:05-17:30

2 stops31h 25m

£797

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

08:00-11:28

2 stops32h 28m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-12:45

2 stops25h 33m

£800

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 16/7

11:20-08:45

2 stops26h 25m

San Juan Luis Munoz Marin Intl

Thu 13/8

07:55-18:50

2 stops29h 55m

£855

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 11/8

11:20-08:47

2 stops26h 27m

San Juan Luis Munoz Marin Intl

Tue 18/8

16:30-22:55

2 stops25h 25m

£860

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Sat 13/6

08:15-18:44

1 stop15h 29m

Aguadilla Borinquen

Sun 21/6

04:45-09:30

1 stop23h 45m

£988

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Wed 4/11

07:30-23:57

2 stops20h 27m

Aguadilla Borinquen

Sat 7/11

01:09-21:20

1 stop16h 11m

£1,012

LondonMayagüez

LHR - MAZ

LHRMAZ

London Heathrow

Wed 16/9

12:00-16:11

2 stops33h 11m

Mayagüez Eugenio M De Hostos

Sun 20/9

13:19-07:15

2 stops36h 56m

£1,472
Cheapest one-way

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 7/6

08:40-21:42

1 stop18h 02m

£424

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 21 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

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

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £342). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £511). 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 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 33 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.

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 26 May 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
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
JetBlue
7.1
Good
2,981 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
658 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Iberia
7.0
Good
3,220 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,005 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Entertainment

7.5

Boarding

7.7

Overall

7.5

Food

6.9

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 17h 23m. Your travel time can differ by up to 5h 02m. 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £342). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £511). 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

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.
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Heathrow to Montego Bay flights
Heathrow to Kingston flights
Gatwick to Bridgetown flights
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Heathrow to Punta Cana flights
Stansted to Bridgetown flights
Gatwick to Kingston flights
Stansted to Kingston flights
Gatwick to Punta Cana flights
Stansted to Montego Bay flights
Luton to Montego Bay flights
London City to Kingston flights
Stansted to Punta Cana flights
Heathrow to Nassau flights
London City to Bridgetown flights
Gatwick to Montego Bay flights
Heathrow to Castries flights
London City to Punta Cana flights
Heathrow to Kingstown flights
Luton to Punta Cana flights
Heathrow to St. John's flights
Gatwick to Castries flights
Heathrow to Port of Spain flights
Heathrow to Willemstad flights
Heathrow to St. George's flights
Heathrow to Roseau flights
Gatwick to Nassau flights
Gatwick to Willemstad flights
Gatwick to Havana flights
Gatwick to St. John's flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Santo Domingo flights
Heathrow to Castries flights
Stansted to Nassau flights
Stansted to Port of Spain flights
Gatwick to Santo Domingo flights
Gatwick to Port of Spain flights
Heathrow to Pointe-à-Pitre flights
Stansted to Santo Domingo flights
Gatwick to Castries flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Kingstown flights
Heathrow to Havana flights
Gatwick to St. George's flights
Gatwick to Basseterre flights
London City to Santo Domingo flights
Gatwick to Oranjestad flights

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 26 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£331Average£1,117FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£435Average£617FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£482Average£666FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£534Average£592FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£609Average£1,002FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£832Average£998FlexibilityNo cancel feeOn-time70%
Search British Airways 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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