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 20h 39m. Your travel time can differ by up to 10h 56m. 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 - Aguadilla Borinquen or London Heathrow - Mayagüez Eugenio M De Hostos 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, Iberia or Icelandair.

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.

£367+ 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 15 September 2026.

Wed 4/1109:20 -

1 stop19h 53m

Wed 18/1107:00 -

1 stop19h 55m

Deal found 14/9£575

Fri 30/1012:20 -

1 stop27h 06m

Sat 7/1107:00 -

1 stop19h 55m

Deal found 14/9£576

Thu 29/1007:25 -

1 stop16h 17m

Wed 11/1116:00 -

1 stop13h 30m

Deal found 15/9£582

Thu 1/1008:15 -

1 stop16h 19m

Tue 3/1111:20 -

1 stop30h 20m

Deal found 11/9£585

Sat 10/1008:15 -

1 stop16h 38m

Tue 20/1006:20 -

1 stop19h 10m

Deal found 13/9£586

Sun 11/1008:15 -

1 stop32h 14m

Sun 18/1006:00 -

1 stop33h 45m

Deal found 11/9£587

Fri 30/1009:20 -

1 stop18h 53m

Fri 6/1107:00 -

1 stop19h 55m

Deal found 15/9£602

Wed 11/1109:20 -

1 stop19h 53m

Thu 26/1103:05 -

1 stop13h 50m

Deal found 14/9£603

Thu 8/1010:55 -

1 stop20h 14m

Thu 15/1011:54 -

1 stop15h 11m

Deal found 11/9£604

Mon 16/1108:05 -

1 stop16h 43m

Tue 24/1103:05 -

1 stop14h 35m

Deal found 14/9£610

Wed 11/1109:20 -

1 stop19h 53m

Mon 23/1103:05 -

1 stop14h 35m

Deal found 14/9£610

Tue 27/1009:20 -

1 stop18h 53m

Tue 3/1107:00 -

1 stop19h 55m

Deal found 12/9£614

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 15 September 2026.

Fri 12/215:30 -

2 stops29h 10m

Sat 20/221:35 -

2 stops37h 10m

Deal found 14/9£642

Sat 27/212:20 -

1 stop15h 31m

Wed 3/305:00 -

1 stop12h 40m

Deal found 14/9£676

Thu 10/1212:15 -

2 stops17h 37m

Sat 19/1205:01 -

2 stops25h 49m

Deal found 10/9£880

Wed 25/1118:30 -

2 stops58h 10m

Fri 4/1213:55 -

2 stops27h 40m

Deal found 14/9£928

Thu 10/1220:15 -

2 stops32h 21m

Sat 19/1214:35 -

1 stop26h 45m

Deal found 10/9£1,018

Mon 5/1007:30 -

2 stops20h 39m

Sun 11/1000:15 -

2 stops25h 15m

Deal found 13/9£1,021

Thu 7/106:30 -

2 stops21h 24m

Thu 21/115:14 -

1 stop13h 01m

Deal found 12/9£1,027

Sun 10/112:25 -

2 stops28h 08m

Tue 19/110:32 -

1 stop17h 43m

Deal found 10/9£720

Tue 27/1018:30 -

2 stops48h 10m

Tue 3/1118:40 -

2 stops18h 50m

Deal found 12/9£814

Mon 26/1008:05 -

1 stop15h 37m

Mon 2/1107:00 -

1 stop19h 55m

Deal found 11/9£925

Thu 7/112:15 -

2 stops18h 10m

Thu 21/114:00 -

2 stops16h 50m

Deal found 12/9£821

Thu 5/1109:30 -

2 stops18h 27m

Sun 8/1101:09 -

1 stop16h 11m

Deal found 14/9£1,028

Thu 29/1007:30 -

2 stops20h 06m

Thu 5/1107:40 -

2 stops18h 40m

Deal found 14/9£1,030

Fri 9/1009:30 -

2 stops19h 20m

Mon 19/1013:25 -

1 stop12h 50m

Deal found 14/9£1,050

Sun 1/1118:00 -

2 stops25h 49m

Thu 5/1113:25 -

2 stops17h 25m

Deal found 14/9£1,691

Find flight deals from Heathrow to Puerto Rico

Round-trip from	£575
One-way from	£367
Popular in	December
Cheapest in	February
Average price	£682

JetBlue
4/11-18/11
2 total stops
39h 48m total
London to Puerto Rico

Search Deals

12/11-31/12
3 total stops
49h 42m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Wed 2/12

07:25-19:52

1 stop16h 27m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£390

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 11/11

07:25-20:48

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£391

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

07:25-18:40

1 stop15h 15m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£394

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sat 31/10

08:05-19:42

1 stop15h 37m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£394

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 5/2

09:20-23:50

1 stop18h 30m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£398

Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 3/12

09:20-19:27

1 stop14h 07m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£402

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 10/2

07:25-23:28

1 stop20h 03m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£407

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 16/2

18:45-16:40

1 stop25h 55m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£434

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 6/1

06:00-00:16

2 stops22h 16m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£524

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 12/2

15:30-16:40

2 stops29h 10m

San Juan Luis Munoz Marin Intl

Sat 20/2

21:35-14:45

2 stops37h 10m

£642

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 24 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 £557). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £985). 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

7.4

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

7.4

Good

694 reviews

Virgin Atlantic

7.4

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

3,037 reviews

Virgin Atlantic

7.4

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

3,248 reviews

Virgin Atlantic

7.4

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

743 reviews

Virgin Atlantic

7.4

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

8,220 reviews

Virgin Atlantic

7.4

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 and United Airlines can get you from London Heathrow Airport to Puerto Rico in just under 20h 39m. Your travel time can differ by up to 10h 56m. 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 - Aguadilla Borinquen or London Heathrow - Mayagüez Eugenio M De Hostos 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 £557). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £985). 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Heathrow to Puerto Rico

Heathrow to Bridgetown flights

Heathrow to Montego Bay flights

Heathrow to Kingston flights

Gatwick to Bridgetown flights

Gatwick to Punta Cana flights

Heathrow to Punta Cana flights

Stansted to Bridgetown flights

London City to Bridgetown flights

Gatwick to Kingston flights

Gatwick to St. John's flights

London City to Kingston flights

Heathrow to Kingstown flights

Heathrow to Port of Spain flights

London City to Montego Bay flights

Heathrow to St. John's flights

Stansted to Montego Bay flights

Heathrow to Nassau flights

Gatwick to Port of Spain flights

Heathrow to St. George's flights

Heathrow to Castries flights

London City to St. John's flights

Stansted to Punta Cana flights

Stansted to Kingston flights

Gatwick to Castries flights

Heathrow to Luis Munoz Marin Intl flights

Luton to Punta Cana flights

Gatwick to Kingstown flights

Gatwick to Montego Bay flights

London City to Punta Cana flights

Luton to Montego Bay flights

Gatwick to Luis Munoz Marin Intl flights

Gatwick to St. George's flights

Heathrow to Santo Domingo flights

Gatwick to Basseterre flights

Heathrow to Willemstad flights

Heathrow to Roseau flights

London City to Luis Munoz Marin Intl flights

Heathrow to Castries flights

London City to Castries flights

Gatwick to Nassau flights

Stansted to Luis Munoz Marin Intl flights

Heathrow to George Town flights

Heathrow to Road Town flights

Stansted to Port of Spain flights

Heathrow to Basseterre flights

Gatwick to Santo Domingo flights

Gatwick to Castries flights

Gatwick to Havana flights

Gatwick to Willemstad flights

Heathrow to Providenciales flights

Top 5 airlines flying from Heathrow to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£331	Average£1,136	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£414	Average£645	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£482	Average£845	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£840	Average£1,069	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£887	Average£1,071	FlexibilityNo cancel fee	On-time77%	Search Iberia 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Puerto Rico from £367

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. 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 15 September 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 15 September 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 15 September 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 15 September 2026.

Last-minute flights from Heathrow to Puerto RicoDiscover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 15 September 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 15 September 2026.

Search for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 15 September 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 15 September 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?

100% Free

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 15 September 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 15 September 2026.

Last-minute flights from Heathrow to Puerto Rico
Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 15 September 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 15 September 2026.