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 19h 53m. Your travel time can differ by up to 34m. 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 - 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.

£355+ 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 30 September 2026.

Wed 4/1112:15 -

2 stops18h 35m

Thu 12/1111:20 -

2 stops28h 10m

Deal found 27/9£509

Thu 5/1112:15 -

2 stops18h 35m

Wed 11/1103:55 -

2 stops35h 35m

Deal found 26/9£511

Fri 27/1109:20 -

1 stop19h 20m

Sat 5/1215:00 -

1 stop25h 55m

Deal found 25/9£532

Wed 4/1109:20 -

1 stop19h 53m

Sat 21/1120:45 -

1 stop30h 10m

Deal found 28/9£534

Thu 29/1012:20 -

1 stop31h 35m

Wed 11/1107:00 -

1 stop34h 40m

Deal found 26/9£534

Thu 5/1112:20 -

1 stop32h 35m

Thu 12/1116:00 -

1 stop13h 30m

Deal found 28/9£536

Thu 29/1009:20 -

1 stop32h 59m

Fri 6/1107:00 -

1 stop34h 40m

Deal found 29/9£537

Wed 11/1120:25 -

2 stops31h 13m

Wed 18/1116:52 -

1 stop15h 43m

Deal found 27/9£560

Sat 31/1009:20 -

1 stop18h 53m

Wed 2/1207:00 -

1 stop19h 55m

Deal found 26/9£564

Mon 7/1212:20 -

1 stop17h 32m

Mon 14/1214:45 -

1 stop12h 10m

Deal found 29/9£565

Mon 5/1008:15 -

1 stop19h 28m

Mon 12/1006:04 -

1 stop22h 26m

Deal found 28/9£855

Thu 5/1107:30 -

2 stops20h 27m

Sun 8/1101:09 -

1 stop25h 11m

Deal found 29/9£1,028

Find flight deals from Heathrow to Puerto Rico

Round-trip from	£509
One-way from	£355
Popular in	December
Cheapest in	February
Average price	£743

4/11-12/11
4 total stops
46h 45m total
London to Puerto Rico

Search Deals

JetBlue
4/12-31/12
1 total stop
19h 25m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 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 11/11

07:25-20:48

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£372

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 12/11

07:25-20:48

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£372

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

£375

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sun 22/11

09:20-00:40

1 stop19h 20m

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

Mon 23/11

12:15-09:53

3 stops25h 38m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£432

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sun 11/10

22:05-17:10

1 stop24h 05m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£501

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 12/11

21:35-16:55

1 stop23h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£501

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

£507

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 11/11

09:20-01:13

1 stop19h 53m

San Juan Luis Munoz Marin Intl

Mon 23/11

03:29-21:40

1 stop14h 11m

£570

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 29/10

10:50-01:50

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Wed 11/11

16:52-06:25

2 stops33h 33m

£589

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 26 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 £574). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £1,004). 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, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

JetBlue

7.1

Good

3,041 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

3,041 reviews

JetBlue

7.1

Good

3,041 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

Iberia

7.0

Good

3,249 reviews

JetBlue

7.1

Good

3,041 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

Icelandair

6.9

Okay

755 reviews

JetBlue

7.1

Good

3,041 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

British Airways

6.7

Okay

8,241 reviews

JetBlue

7.1

Good

3,041 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 19h 53m. Your travel time can differ by up to 34m. 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 - 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 £574). Flying from London Heathrow Airport to Puerto Rico in August is currently the most expensive (average of £1,004). 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

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Alternative routes for Heathrow to Puerto Rico

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Top 4 airlines flying from Heathrow to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£429	Average£661	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£491	Average£862	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Iberia	Cheapest£856	Average£1,040	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£857	Average£1,090	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 £355

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. 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 30 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 30 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 30 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 30 September 2026.

Last-minute flights from Heathrow to Puerto RicoDiscover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 30 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 30 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 30 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 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, andIcelandair. 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 30 September 2026.

Popular flight searches

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Heathrow to Puerto Rico flights

Consider these flights travelling from Heathrow to Puerto Rico.

Top 4 airlines flying from Heathrow to Puerto Rico

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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 30 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 30 September 2026.

Last-minute flights from Heathrow to Puerto Rico
Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 30 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 30 September 2026.