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

JetBlue and Aer Lingus can get you from London Heathrow Airport to Puerto Rico in just under 19h 53m. Your travel time can differ by up to 7h 02m. 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.

£372+ 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 14 October 2026.

Tue 8/1212:15 -

2 stops18h 37m

Thu 10/1203:47 -

2 stops27h 03m

Deal found 11/10£591

Tue 10/1106:30 -

2 stops22h 29m

Mon 16/1103:55 -

2 stops22h 30m

Deal found 11/10£592

Mon 9/1117:05 -

2 stops35h 54m

Sun 15/1103:55 -

2 stops22h 30m

Deal found 12/10£595

Thu 12/1120:25 -

2 stops32h 34m

Tue 17/1107:23 -

2 stops19h 02m

Deal found 9/10£597

Thu 26/1108:40 -

3 stops34h 20m

Thu 3/1205:01 -

1 stop21h 24m

Deal found 12/10£598

Wed 25/1110:50 -

2 stops27h 43m

Wed 2/1205:01 -

1 stop21h 24m

Deal found 11/10£625

Sun 1/1107:45 -

1 stop17h 03m

Mon 9/1113:55 -

1 stop15h 35m

Deal found 9/10£629

Sat 7/1108:50 -

2 stops19h 05m

Fri 20/1105:05 -

2 stops32h 45m

Deal found 9/10£680

Mon 30/1120:45 -

2 stops47h 46m

Mon 14/1206:25 -

2 stops22h 40m

Deal found 12/10£699

Mon 30/1108:05 -

1 stop22h 44m

Mon 14/1206:25 -

1 stop23h 05m

Deal found 12/10£758

Tue 8/1212:20 -

1 stop14h 05m

Fri 11/1206:25 -

1 stop23h 05m

Deal found 11/10£773

Sat 7/1112:20 -

1 stop15h 35m

Fri 20/1105:05 -

1 stop11h 50m

Deal found 9/10£782

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 14 October 2026.

Sat 14/1109:20 -

1 stop19h 53m

Thu 26/1112:15 -

1 stop14h 40m

Deal found 10/10£678

Sun 8/1117:45 -

2 stops26h 55m

Fri 20/1103:29 -

2 stops25h 36m

Deal found 13/10£775

Fri 4/1212:25 -

2 stops29h 25m

Sun 13/1213:05 -

2 stops28h 30m

Deal found 10/10£811

Fri 20/1106:25 -

2 stops25h 02m

Thu 26/1112:44 -

2 stops29h 46m

Deal found 10/10£969

Tue 5/118:30 -

2 stops44h 58m

Sat 9/110:43 -

2 stops24h 47m

Deal found 9/10£983

Thu 5/1107:30 -

2 stops20h 27m

Sun 8/1101:09 -

2 stops24h 46m

Deal found 12/10£1,061

Wed 25/1109:20 -

1 stop14h 15m

Fri 4/1214:45 -

1 stop12h 10m

Deal found 11/10£684

Mon 23/1109:20 -

1 stop19h 20m

Mon 30/1112:15 -

1 stop14h 40m

Deal found 9/10£698

Sun 8/1109:20 -

1 stop32h 28m

Sat 21/1120:45 -

1 stop30h 10m

Deal found 13/10£718

Sun 8/1106:00 -

2 stops23h 13m

Sat 21/1107:00 -

1 stop20h 15m

Deal found 13/10£883

Thu 31/1206:25 -

2 stops24h 04m

Tue 12/106:01 -

2 stops23h 44m

Deal found 11/10£976

Sat 7/1112:20 -

1 stop15h 35m

Thu 19/1101:09 -

2 stops26h 01m

Deal found 12/10£909

Sat 7/1112:20 -

1 stop15h 35m

Fri 20/1105:05 -

1 stop11h 50m

Deal found 12/10£817

Thu 24/1212:20 -

1 stop16h 57m

Wed 13/115:45 -

1 stop13h 45m

Deal found 11/10£838

Sun 1/1107:45 -

1 stop17h 03m

Thu 5/1111:20 -

1 stop18h 10m

Deal found 13/10£895

Fri 11/1208:05 -

1 stop18h 20m

Thu 7/105:45 -

1 stop11h 55m

Deal found 10/10£916

Find flight deals from Heathrow to Puerto Rico

Round-trip from	£591
One-way from	£372
Popular in	December
Cheapest in	February
Average price	£620

8/12-10/12
4 total stops
45h 40m total
London to Puerto Rico

Search Deals

2/2-31/12
2 total stops
18h 34m 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. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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 13/11

08:05-00:30

1 stop20h 25m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£440

Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 23/11

08:05-18:40

1 stop14h 35m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£440

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

12:20-03:27

1 stop19h 07m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£443

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

£443

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 9/11

08:05-20:48

1 stop16h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£444

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sat 14/11

08:05-20:48

1 stop16h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£444

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 23/11

06:00-01:56

2 stops23h 56m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£493

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 5/2

13:40-15:27

2 stops29h 47m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£496

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 10/11

06:40-02:46

3 stops24h 06m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£496

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 24/12

12:20-01:17

1 stop16h 57m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£566

Flights are sorted by cheapest return flights first.

Deals found on 12/10

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 December is currently the most expensive (average of £1,014). 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

3,052 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

3,052 reviews

JetBlue

7.1

Good

3,052 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

Iberia

7.0

Good

3,247 reviews

JetBlue

7.1

Good

3,052 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

Icelandair

6.9

Okay

758 reviews

JetBlue

7.1

Good

3,052 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2024

BDL - SJU

British Airways

6.7

Okay

8,261 reviews

JetBlue

7.1

Good

3,052 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 Aer Lingus can get you from London Heathrow Airport to Puerto Rico in just under 19h 53m. Your travel time can differ by up to 7h 02m. 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 December is currently the most expensive (average of £1,014). 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£428	Average£656	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£1,044	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£856	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 £372

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. 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 14 October 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 14 October 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 14 October 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 14 October 2026.

Last-minute flights from Heathrow to Puerto RicoDiscover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 14 October 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 14 October 2026.

Search for one-way flight options from Heathrow to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 October 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 14 October 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 4 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 14 October 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 14 October 2026.

Last-minute flights from Heathrow to Puerto Rico
Discover last-minute flight deals from Heathrow to Puerto Rico. Data last updated 14 October 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 14 October 2026.