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 18h 27m. Your travel time can differ by up to 3h 58m. The distance between London Heathrow Airport and Puerto Rico is about 4224 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Puerto Rico ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit Puerto Rico when rainfall is around 55.0 mm.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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.

What are the most popular airlines that fly from London Heathrow Airport to Puerto Rico?

Before booking your flight from London Heathrow Airport to Puerto Rico check out the most popular airlines for this route: JetBlue, Icelandair or Iberia.

What is the cheapest time of day to fly from LHR to PR?

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.

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.

£360+ Cheap Flights from London Heathrow Airport to Puerto Rico

Cheap flight deals from Heathrow to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 17 August 2026.

Wed 7/1008:15 -

1 stop16h 18m

Sun 11/1006:00 -

1 stop22h 30m

Deal found 13/8£590

Mon 21/908:15 -

1 stop16h 19m

Sun 27/906:00 -

1 stop22h 30m

Deal found 12/8£591

Sat 26/908:40 -

1 stop32h 22m

Fri 9/1006:12 -

1 stop19h 18m

Deal found 15/8£592

Sun 27/908:40 -

1 stop18h 47m

Sun 4/1006:00 -

1 stop22h 30m

Deal found 13/8£595

Mon 28/908:15 -

1 stop16h 19m

Mon 5/1010:30 -

1 stop18h 00m

Deal found 14/8£600

Thu 24/908:15 -

1 stop16h 19m

Tue 29/906:00 -

1 stop19h 30m

Deal found 14/8£601

Fri 9/1008:40 -

1 stop20h 18m

Mon 19/1013:00 -

1 stop15h 30m

Deal found 15/8£606

Wed 25/1109:20 -

1 stop14h 15m

Fri 4/1214:44 -

1 stop12h 11m

Deal found 15/8£614

Thu 1/1011:55 -

1 stop33h 17m

Sun 4/1006:00 -

1 stop33h 45m

Deal found 17/8£615

Thu 19/1109:20 -

1 stop14h 15m

Mon 30/1121:35 -

1 stop13h 20m

Deal found 14/8£620

Tue 29/909:50 -

2 stops27h 57m

Tue 6/1010:10 -

2 stops21h 30m

Deal found 15/8£708

Mon 5/1008:15 -

1 stop19h 28m

Mon 12/1006:15 -

1 stop22h 15m

Deal found 17/8£866

Best flights from Heathrow to Puerto Rico
Discover carefully curated flight deals from Heathrow to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Fri 25/908:40 -

1 stop18h 47m

Mon 28/906:00 -

1 stop19h 30m

Deal found 14/8£600

Wed 11/1106:00 -

2 stops22h 25m

Tue 24/1116:45 -

2 stops20h 45m

Deal found 17/8£754

Tue 17/1106:00 -

2 stops22h 25m

Thu 26/1106:05 -

2 stops25h 20m

Deal found 12/8£878

Mon 28/908:40 -

2 stops43h 29m

Sun 4/1000:15 -

2 stops31h 45m

Deal found 14/8£989

Wed 25/1107:35 -

2 stops18h 54m

Fri 4/1215:17 -

1 stop12h 58m

Deal found 12/8£1,048

Mon 28/908:15 -

1 stop16h 19m

Mon 5/1010:30 -

1 stop18h 00m

Deal found 14/8£600

Thu 7/112:20 -

1 stop15h 39m

Thu 21/114:00 -

1 stop12h 55m

Deal found 16/8£667

Wed 7/1018:45 -

2 stops34h 13m

Sun 11/1006:12 -

2 stops35h 43m

Deal found 12/8£878

Thu 27/816:50 -

2 stops43h 59m

Sun 30/818:55 -

2 stops58h 25m

Deal found 13/8£883

Mon 9/1109:30 -

2 stops18h 27m

Sun 29/1101:09 -

1 stop16h 11m

Deal found 15/8£1,001

Tue 29/914:05 -

2 stops38h 04m

Tue 6/1006:00 -

1 stop22h 30m

Deal found 15/8£922

Sat 5/910:50 -

1 stop12h 55m

Tue 15/914:58 -

1 stop13h 02m

Deal found 15/8£1,050

Mon 5/1006:50 -

2 stops21h 19m

Sun 11/1000:15 -

1 stop16h 20m

Deal found 16/8£1,002

Mon 7/906:50 -

2 stops22h 00m

Sun 20/901:00 -

2 stops34h 25m

Deal found 16/8£1,012

Fri 15/106:35 -

2 stops19h 47m

Mon 18/108:10 -

2 stops17h 45m

Deal found 12/8£1,031

Sat 5/907:30 -

2 stops21h 20m

Tue 15/907:00 -

1 stop23h 35m

Deal found 14/8£1,046

Sun 27/918:00 -

2 stops27h 11m

Sun 4/1013:19 -

2 stops26h 21m

Deal found 13/8£1,271

Thu 12/1112:00 -

2 stops31h 49m

Mon 16/1113:25 -

2 stops27h 10m

Deal found 13/8£1,536

Thu 10/918:00 -

2 stops27h 11m

Thu 17/913:19 -

2 stops17h 36m

Deal found 13/8£1,663

Find flight deals from Heathrow to Puerto Rico

Round-trip from	£590
One-way from	£360
Popular in	December
Cheapest in	February
Average price	£804

JetBlue
7/10-11/10
2 total stops
38h 48m total
London to Puerto Rico

Search Deals

27/10
3 total stops
49h 29m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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 London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 25/9

08:40-22:27

1 stop18h 47m

San Juan Luis Munoz Marin Intl

Mon 28/9

06:00-06:30

1 stop19h 30m

£600

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 28/9

08:15-19:34

1 stop16h 19m

San Juan Luis Munoz Marin Intl

Mon 5/10

10:30-09:30

1 stop18h 00m

£600

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 7/1

12:20-23:59

1 stop15h 39m

San Juan Luis Munoz Marin Intl

Thu 21/1

14:00-06:55

1 stop12h 55m

£667

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 11/11

06:00-00:25

2 stops22h 25m

San Juan Luis Munoz Marin Intl

Tue 24/11

16:45-17:30

2 stops20h 45m

£754

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 17/11

06:00-00:25

2 stops22h 25m

San Juan Luis Munoz Marin Intl

Thu 26/11

06:05-11:25

2 stops25h 20m

£878

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 7/10

18:45-23:58

2 stops34h 13m

San Juan Luis Munoz Marin Intl

Sun 11/10

06:12-22:55

2 stops35h 43m

£878

LondonAguadilla

LHR London Heathrow - BQN Aguadilla Borinquen

LHRBQN

London Heathrow

Thu 27/8

16:50-07:49

2 stops43h 59m

Aguadilla Borinquen

Sun 30/8

18:55-10:20

2 stops58h 25m

£883

LondonAguadilla

LHR London Heathrow - BQN Aguadilla Borinquen

LHRBQN

London Heathrow

Tue 29/9

14:05-23:09

2 stops38h 04m

Aguadilla Borinquen

Tue 6/10

06:00-09:30

1 stop22h 30m

£922

LondonAguadilla

LHR London Heathrow - BQN Aguadilla Borinquen

LHRBQN

London Heathrow

Mon 28/9

08:40-23:09

2 stops43h 29m

Aguadilla Borinquen

Sun 4/10

00:15-13:00

2 stops31h 45m

£989

LondonAguadilla

LHR London Heathrow - BQN Aguadilla Borinquen

LHRBQN

London Heathrow

Mon 9/11

09:30-23:57

2 stops18h 27m

Aguadilla Borinquen

Sun 29/11

01:09-21:20

1 stop16h 11m

£1,001

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 35 resultsSorted by cheapest first

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.

LHR-SJU

LHR-BQN

LHR-MAZ

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

LHR-PR0

LHR-SJU

LHR-BQN

LHR-MAZ

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £567). Flying from London Heathrow Airport to Puerto Rico in December is currently the most expensive (average of £994). 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

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

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

694 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

3,032 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

3,256 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

6.9

Okay

731 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

8,169 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

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

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 18h 27m. Your travel time can differ by up to 3h 58m. The distance between London Heathrow Airport and Puerto Rico is about 4224 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £567). Flying from London Heathrow Airport to Puerto Rico in December is currently the most expensive (average of £994). 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

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Top 5 airlines flying from Heathrow to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£330	Average£1,132	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£420	Average£638	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£481	Average£790	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Iberia	Cheapest£766	Average£1,158	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£837	Average£1,014	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Cheap flights from London Heathrow Airport to Puerto Rico from £360

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 27/10. 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

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 17 August 2026.

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 17 August 2026.

Best flights from Heathrow to Puerto RicoDiscover carefully curated flight deals from Heathrow to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Discover carefully curated flight deals from Heathrow to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Last-minute flights from Heathrow to Puerto RicoDiscover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 17 August 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 17 August 2026 and is based on user searches.

One-way flights from Heathrow to Puerto RicoSearch for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

Search for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

Find flight deals from Heathrow to Puerto Rico

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Puerto Rico that are best for you.

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

What is the cheapest month to book a 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 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

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

Related info for your journey

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Puerto Rico by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Puerto Rico by cabin class

Find flights from Heathrow to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Puerto Rico flights

Browse other Heathrow and Puerto Rico flight options. Last updated on 17 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Puerto Rico flights

Consider these flights travelling from Heathrow to Puerto Rico.

Top 5 airlines flying from Heathrow to Puerto Rico

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Puerto Rico?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Puerto Rico?

Can Cheapflights find flights from Heathrow to Puerto Rico with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Puerto Rico become cheaper?

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Book with Flexibility

Travel Smart

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 17 August 2026.

Best flights from Heathrow to Puerto Rico
Discover carefully curated flight deals from Heathrow to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 August 2026.

Last-minute flights from Heathrow to Puerto Rico
Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 17 August 2026 and is based on user searches.

One-way flights from Heathrow to Puerto Rico
Search for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.