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 14h 05m. Your travel time can differ by up to 6h 22m. 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.

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, Iberia or British Airways.

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.

£415+ 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 10 November 2026.

Sun 22/1120:25 -

2 stops33h 11m

Sat 5/1221:02 -

2 stops29h 23m

Deal found 8/11£655

Wed 9/1220:25 -

2 stops33h 33m

Wed 16/1205:01 -

2 stops27h 34m

Deal found 9/11£656

Thu 24/1212:20 -

1 stop16h 57m

Thu 7/108:10 -

1 stop32h 45m

Deal found 7/11£662

Thu 31/1207:25 -

1 stop14h 30m

Sat 16/117:35 -

1 stop23h 20m

Deal found 8/11£662

Wed 9/1206:40 -

2 stops22h 27m

Wed 23/1206:00 -

3 stops30h 00m

Deal found 9/11£663

Tue 8/1209:40 -

1 stop20h 18m

Mon 14/1203:28 -

1 stop23h 02m

Deal found 8/11£667

Mon 7/1220:25 -

2 stops33h 33m

Sun 13/1203:28 -

1 stop23h 02m

Deal found 7/11£673

Fri 11/1209:20 -

1 stop14h 07m

Sun 13/1209:20 -

1 stop32h 20m

Deal found 8/11£676

Thu 26/1112:20 -

1 stop16h 57m

Sat 5/1217:33 -

1 stop33h 22m

Deal found 7/11£678

Fri 11/1208:05 -

1 stop18h 21m

Thu 7/106:01 -

1 stop23h 29m

Deal found 8/11£846

Wed 11/1107:25 -

1 stop20h 30m

Thu 19/1105:05 -

1 stop12h 35m

Deal found 5/11£990

Thu 3/1207:30 -

2 stops20h 27m

Sun 6/1201:09 -

1 stop28h 01m

Deal found 7/11£1,077

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 10 November 2026.

Wed 6/109:20 -

1 stop14h 05m

Sat 30/110:43 -

1 stop18h 47m

Deal found 8/11£705

Thu 4/207:25 -

1 stop20h 00m

Sat 20/201:09 -

2 stops27h 21m

Deal found 8/11£788

Wed 6/120:35 -

2 stops33h 19m

Mon 1/206:01 -

2 stops24h 49m

Deal found 8/11£903

Thu 24/1212:25 -

2 stops27h 58m

Thu 31/1214:35 -

2 stops28h 05m

Deal found 9/11£993

Tue 5/112:50 -

1 stop15h 46m

Mon 1/214:52 -

2 stops15h 58m

Deal found 8/11£1,071

Sat 2/111:25 -

1 stop12h 35m

Wed 3/221:35 -

1 stop14h 30m

Deal found 8/11£1,098

Tue 5/107:25 -

1 stop20h 04m

Thu 28/115:05 -

1 stop11h 48m

Deal found 8/11£725

Wed 25/1112:15 -

2 stops16h 25m

Fri 4/1214:45 -

2 stops16h 05m

Deal found 7/11£837

Fri 27/1108:05 -

1 stop14h 35m

Sat 5/1209:20 -

1 stop20h 10m

Deal found 7/11£791

Thu 3/1207:30 -

2 stops20h 27m

Sun 6/1201:09 -

1 stop28h 01m

Deal found 7/11£1,077

Fri 27/1106:30 -

2 stops21h 27m

Mon 7/1211:34 -

2 stops21h 56m

Deal found 7/11£1,103

Mon 21/1212:20 -

1 stop16h 57m

Mon 28/1211:54 -

1 stop17h 36m

Deal found 6/11£961

Sun 3/119:40 -

1 stop25h 00m

Sun 31/121:30 -

1 stop13h 50m

Deal found 8/11£1,105

Fri 11/1218:00 -

1 stop33h 57m

Wed 6/101:09 -

2 stops25h 31m

Deal found 8/11£1,147

Find flight deals from Heathrow to Puerto Rico

Round-trip from	£533
One-way from	£415
Popular in	July
Cheapest in	February
Average price	£729

JetBlue
16/1-23/1
2 total stops
31h 11m total
London to Puerto Rico

Search Deals

3/12-31/12
3 total stops
36h 33m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£99 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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

Thu 4/2

07:25-23:29

1 stop20h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£455

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 6/1

07:25-23:29

1 stop20h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£462

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 23/11

08:15-02:36

2 stops22h 21m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£534

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 4/2

19:55-13:05

2 stops45h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£534

Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 13/11

12:10-22:39

1 stop14h 29m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£586

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

21:35-16:55

1 stop23h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£658

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 6/1

09:20-19:25

1 stop14h 05m

San Juan Luis Munoz Marin Intl

Sat 30/1

10:43-09:30

1 stop18h 47m

£705

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 6/1

07:30-00:36

2 stops21h 06m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£706

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 5/1

20:10-00:58

1 stop32h 48m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£708

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 5/1

07:25-23:29

1 stop20h 04m

San Juan Luis Munoz Marin Intl

Thu 28/1

15:05-06:53

1 stop11h 48m

£725

Flights are sorted by cheapest return flights first.

Deals found on 9/11

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

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

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 £1,027). 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 34 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 JetBlue,Iberia, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

JetBlue

7.1

Good

3,067 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

My experience was very positive: I liked the big space among seats, the huge entertainment options, and the crew professionalism. My only complaint is the lacked of use of Spanish. As a Spanish speaker, I didn’t like this.

JetBlue

7.1

Good

3,067 reviews

JetBlue

7.1

Good

3,067 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

Iberia

7.0

Good

3,230 reviews

JetBlue

7.1

Good

3,067 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

British Airways

6.7

Okay

8,286 reviews

JetBlue

7.1

Good

3,067 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

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 14h 05m. Your travel time can differ by up to 6h 22m. 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, 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 £1,027). 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 3 airlines flying from Heathrow to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£417	Average£640	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£845	Average£1,026	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£845	Average£1,076	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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 £415

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. 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 10 November 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 10 November 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 10 November 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 10 November 2026.

Last-minute flights from Heathrow to Puerto RicoDiscover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 10 November 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 10 November 2026.

Search for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 10 November 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 34 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 JetBlue,Iberia, andBritish Airways. 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 10 November 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 3 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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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 10 November 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 10 November 2026.

Last-minute flights from Heathrow to Puerto Rico
Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 10 November 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 10 November 2026.