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Cheap flights from London Heathrow Airport to Puerto Rico from £361

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
9 jul — 16 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 9 juni 2026.

tors 15/1008:15
LHR
-
SJU
1 stop16h 27m
JetBlue
sön 25/1015:01
SJU
-
LHR
1 stop14h 29m
JetBlue
Deal found 4/6£588
ons 11/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
tis 24/1117:15
SJU
-
LHR
1 stop12h 15m
JetBlue
Deal found 9/6£612
mån 2/1109:20
LHR
-
SJU
1 stop33h 53m
JetBlue
mån 9/1107:00
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 4/6£622
tis 1/908:40
LHR
-
SJU
1 stop20h 14m
JetBlue
tis 15/913:00
SJU
-
LHR
1 stop15h 30m
JetBlue
Deal found 6/6£627
mån 16/1107:25
LHR
-
SJU
1 stop17h 20m
Multiple Airlines
mån 23/1114:41
SJU
-
LHR
2 stops17h 14m
Multiple Airlines
Deal found 8/6£627
fre 4/908:40
LHR
-
SJU
1 stop20h 14m
JetBlue
lör 19/919:00
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 6/6£629
lör 31/1007:25
LHR
-
SJU
1 stop16h 14m
JetBlue
ons 11/1116:00
SJU
-
LHR
1 stop13h 30m
JetBlue
Deal found 5/6£631
tors 17/908:15
LHR
-
SJU
1 stop16h 17m
JetBlue
tors 24/919:35
SJU
-
LHR
1 stop29h 55m
JetBlue
Deal found 7/6£636
fre 4/908:15
LHR
-
SJU
1 stop16h 35m
Multiple Airlines
lör 19/918:45
SJU
-
LHR
2 stops30h 45m
Multiple Airlines
Deal found 6/6£638
tors 5/1109:20
LHR
-
SJU
1 stop19h 05m
JetBlue
tors 19/1115:25
SJU
-
LHR
1 stop14h 05m
JetBlue
Deal found 8/6£643
ons 23/907:30
LHR
-
BQN
2 stops20h 39m
United Airlines
lör 26/900:15
BQN
-
LHR
2 stops49h 15m
United Airlines
Deal found 5/6£992
fre 25/1208:05
LHR
-
BQN
1 stop16h 50m
JetBlue
sön 10/106:15
BQN
-
LHR
1 stop23h 15m
JetBlue
Deal found 4/6£1,122

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 9 juni 2026.

Round-trip from

£588

One-way from

£361

Popular in

December

Cheapest in

September

Average price

£663
JetBlue
  • JetBlue
  • 15/10-25/10
  • 2 total stops
  • 30h 56m total
  • London to Puerto Rico
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 36h 41m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 9 juni 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

ons 11/11

12:20-01:43

1 stop17h 23m

San Juan Luis Munoz Marin Intl

tis 24/11

17:15-09:30

1 stop12h 15m

£612
Fastest return journey

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

ons 25/11

09:20-19:29

1 stop14h 09m

San Juan Luis Munoz Marin Intl

fre 4/12

14:41-06:55

1 stop12h 14m

£681

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

fre 9/10

08:15-23:49

1 stop20h 34m

San Juan Luis Munoz Marin Intl

mån 19/10

06:12-06:30

1 stop19h 18m

£685

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

tors 3/9

08:15-19:50

1 stop16h 35m

San Juan Luis Munoz Marin Intl

fre 11/9

06:00-06:30

1 stop19h 30m

£687

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

tis 7/7

08:40-21:32

1 stop17h 52m

San Juan Luis Munoz Marin Intl

mån 13/7

20:10-20:45

1 stop19h 35m

£689

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

mån 19/10

08:15-23:49

1 stop20h 34m

San Juan Luis Munoz Marin Intl

fre 23/10

06:12-06:30

1 stop19h 18m

£724

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

tis 14/7

08:40-22:04

1 stop18h 24m

San Juan Luis Munoz Marin Intl

tors 23/7

15:24-09:30

1 stop13h 06m

£732

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

lör 17/10

08:15-19:42

1 stop16h 27m

San Juan Luis Munoz Marin Intl

tors 22/10

06:12-06:30

1 stop19h 18m

£732

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

fre 4/9

12:00-08:47

2 stops25h 47m

San Juan Luis Munoz Marin Intl

lör 12/9

06:00-10:20

2 stops23h 20m

£750

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

fre 3/7

11:55-00:13

1 stop17h 18m

San Juan Luis Munoz Marin Intl

lör 18/7

20:50-20:45

1 stop18h 55m

£752

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 24 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 £346). Flying from London Heathrow Airport to Puerto Rico in June is currently the most expensive (average of £550). 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 9 juni 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

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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
2,980 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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
670 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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
3,230 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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
8,031 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Overall

7.5

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 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 3h 16m. 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 £346). Flying from London Heathrow Airport to Puerto Rico in June is currently the most expensive (average of £550). 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 Bridgetown flights
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Gatwick to Bridgetown flights
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London City to Bridgetown flights
Gatwick to Punta Cana flights
London City to Kingston flights
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Stansted to Kingston flights
Heathrow to Nassau flights
Heathrow to Castries flights
Luton to Punta Cana flights
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London City to Punta Cana flights
Heathrow to St. George's flights
Heathrow to Port of Spain flights
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Gatwick to Castries flights
Heathrow to St. John's flights
Heathrow to Santo Domingo flights
Gatwick to St. John's flights
Gatwick to St. George's flights
Heathrow to Kingstown flights
Heathrow to Castries flights
Gatwick to Santo Domingo flights
Heathrow to Willemstad flights
Gatwick to Port of Spain flights
Gatwick to Willemstad flights
Gatwick to Havana flights
Heathrow to Roseau flights
Heathrow to Luis Munoz Marin Intl flights
London City to Castries flights
Stansted to Santo Domingo flights
Heathrow to Simpson Bay flights
Gatwick to Luis Munoz Marin Intl flights
Heathrow to Pointe-à-Pitre flights
Heathrow to Scarborough flights
Stansted to Port of Spain flights
Gatwick to Scarborough flights
Heathrow to Oranjestad flights
Heathrow to George Town flights
London City to Santo Domingo flights
Gatwick to Nassau 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 9 juni 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£334Average£1,130FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£439Average£625FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£488Average£674FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£540Average£598FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£826Average£1,031FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£841Average£1,009FlexibilityNo 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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