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

There are many flights that can get you from Puerto Rico to London Heathrow Airport in 13h. Fly via United Airlines to get the fastest option. There are 4179 mi between Puerto Rico and London Heathrow Airport.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

The most popular flight routes from Puerto Rico to London Heathrow Airport are San Juan Luis Munoz Marin Intl - London Heathrow, Culebra - London Heathrow and Ponce Mercedita - London Heathrow.

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

When flying from Puerto Rico to London Heathrow Airport, 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 Puerto Rico to Heathrow that include hotel bookings?

Yes. In addition to deals on Puerto Rico to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Heathrow.

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

Yes. Cheapflights offers flight deals from Puerto Rico to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£209+ Flights from Puerto Rico to London Heathrow Airport

Cheap flight deals from Puerto Rico to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to Heathrow
Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Tue 30/1207:00SJU - LHR

1 stop33h 10mDelta

Wed 11/206:30LHR - SJU

2 stops18h 28mDelta

Deal found 14/12£566

Tue 30/1210:15SJU - LHR

1 stop17h 15mLufthansa

Fri 13/206:50LHR - SJU

2 stops19h 32mLufthansa

Deal found 14/12£568

Tue 30/1207:45SJU - LHR

1 stop19h 45mUnited Airlines

Thu 12/206:30LHR - SJU

2 stops19h 52mUnited Airlines

Deal found 14/12£569

Tue 30/1207:00SJU - LHR

1 stop33h 10mDelta

Sat 14/206:30LHR - SJU

2 stops18h 42mDelta

Deal found 14/12£573

Tue 30/1207:45SJU - LHR

1 stop19h 45mUnited Airlines

Fri 13/212:05LHR - SJU

1 stop14h 17mUnited Airlines

Deal found 14/12£574

Wed 31/1210:15SJU - LHR

1 stop17h 15mLufthansa

Sat 10/108:00LHR - SJU

1 stop20h 36mLufthansa

Deal found 17/12£579

Tue 30/1207:30SJU - LHR

2 stops20h 10mDelta

Mon 16/206:30LHR - SJU

2 stops21h 28mDelta

Deal found 14/12£580

Tue 30/1208:10SJU - LHR

1 stop17h 45mUnited Airlines

Sun 15/212:05LHR - SJU

1 stop22h 06mUnited Airlines

Deal found 14/12£582

Tue 30/1202:05SJU - LHR

1 stop15h 15mUnited Airlines

Sat 10/108:00LHR - SJU

2 stops18h 22mUnited Airlines

Deal found 17/12£585

Wed 31/1214:08SJU - LHR

1 stop12h 42mKLM

Wed 7/120:00LHR - SJU

1 stop31h 57mKLM

Deal found 14/12£644

Wed 31/1208:10SJU - LHR

2 stops18h 10mUnited Airlines

Wed 7/107:40LHR - SJU

1 stop17h 20mUnited Airlines

Deal found 14/12£654

Best flights from Puerto Rico to Heathrow
Discover carefully curated flight deals from Puerto Rico to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Tue 13/117:50SJU - LHR

1 stop13h 00mUnited Airlines

Tue 20/106:50LHR - SJU

2 stops19h 32mUnited Airlines

Deal found 14/12£423

Thu 22/114:15SJU - LHR

1 stop14h 45mKLM

Thu 29/108:55LHR - SJU

1 stop16h 03mKLM

Deal found 14/12£445

Thu 12/305:01SJU - LHR

1 stop12h 39mJetBlue

Sun 22/307:45LHR - SJU

1 stop19h 06mJetBlue

Deal found 15/12£513

Wed 18/207:30SJU - LHR

2 stops21h 15mDelta

Thu 26/210:10LHR - SJU

2 stops17h 48mDelta

Deal found 17/12£522

Thu 29/102:05SJU - LHR

1 stop15h 15mUnited Airlines

Mon 2/208:30LHR - SJU

2 stops17h 52mUnited Airlines

Deal found 15/12£438

Wed 21/102:05SJU - LHR

1 stop15h 15mUnited Airlines

Thu 29/108:30LHR - SJU

2 stops17h 52mUnited Airlines

Deal found 15/12£438

Thu 12/303:26SJU - LHR

1 stop13h 19mJetBlue

Sat 21/308:05LHR - SJU

1 stop16h 21mJetBlue

Deal found 16/12£523

Fri 13/202:05SJU - LHR

1 stop14h 30mUnited Airlines

Sat 21/209:10LHR - SJU

2 stops17h 12mUnited Airlines

Deal found 17/12£444

Thu 30/413:50SJU - LHR

1 stop14h 40mJetBlue

Mon 11/511:55LHR - SJU

1 stop19h 04mJetBlue

Deal found 17/12£524

Thu 26/305:01SJU - LHR

1 stop12h 39mJetBlue

Sun 5/408:25LHR - SJU

1 stop18h 36mJetBlue

Deal found 16/12£524

Mon 30/303:40SJU - LHR

1 stop12h 05mJetBlue

Sun 5/408:25LHR - SJU

1 stop18h 36mJetBlue

Deal found 16/12£524

Sat 31/116:10PSE - LHR

2 stops26h 00mMultiple Airlines

Sat 7/212:20LHR - PSE

2 stops30h 33mMultiple Airlines

Deal found 17/12£2,804

Last-minute flights from Puerto Rico to Heathrow
Discover last-minute flight deals from Puerto Rico to Heathrow. Data last updated 18 December 2025 and is based on user searches.

Tue 13/118:27SJU - LHR

1 stop13h 13mVirgin Atlantic

Tue 20/112:40LHR - SJU

1 stop15h 17mVirgin Atlantic

Deal found 14/12£422

Tue 13/114:15SJU - LHR

2 stops17h 00mUnited Airlines

Tue 20/106:50LHR - SJU

2 stops19h 32mUnited Airlines

Deal found 14/12£434

Thu 15/117:55SJU - LHR

1 stop14h 05mAmerican Airlines

Wed 28/106:15LHR - SJU

1 stop17h 40mAmerican Airlines

Deal found 16/12£429

Thu 15/117:50SJU - LHR

1 stop13h 00mUnited Airlines

Wed 28/106:50LHR - SJU

2 stops19h 32mUnited Airlines

Deal found 16/12£430

Fri 16/117:50SJU - LHR

1 stop13h 00mUnited Airlines

Mon 26/108:30LHR - SJU

2 stops17h 52mUnited Airlines

Deal found 17/12£438

Mon 19/119:12SJU - LHR

1 stop13h 08mAmerican Airlines

Wed 4/208:25LHR - SJU

1 stop15h 30mAmerican Airlines

Deal found 16/12£426

Mon 19/107:30SJU - LHR

1 stop21h 30mVirgin Atlantic

Wed 4/206:20LHR - SJU

2 stops18h 38mVirgin Atlantic

Deal found 16/12£428

Thu 22/117:51SJU - LHR

1 stop14h 29mIberia

Thu 29/109:15LHR - SJU

1 stop14h 40mIberia

Deal found 16/12£423

Thu 22/114:15SJU - LHR

1 stop14h 45mKLM

Thu 29/108:55LHR - SJU

1 stop16h 03mKLM

Deal found 14/12£445

Sat 31/114:15SJU - LHR

1 stop14h 55mLufthansa

Sat 7/212:45LHR - SJU

1 stop15h 51mLufthansa

Deal found 17/12£419

Sat 31/108:35SJU - LHR

2 stops17h 45mUnited Airlines

Sat 7/207:30LHR - SJU

2 stops21h 06mUnited Airlines

Deal found 17/12£442

Sat 31/116:10PSE - LHR

2 stops26h 00mMultiple Airlines

Sat 7/212:20LHR - PSE

2 stops30h 33mMultiple Airlines

Deal found 17/12£2,804

One-way flights from Puerto Rico to Heathrow
Search for one-way flight options from Puerto Rico to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.

Wed 4/307:10SJU - LHR

2 stops31h 45mMultiple Airlines

Deal found 16/12£209

Sat 24/118:11SJU - LHR

3 stops47h 24mMultiple Airlines

Deal found 15/12£210

Tue 27/108:50SJU - LHR

2 stops28h 40mMultiple Airlines

Deal found 17/12£216

Sat 24/106:15SJU - LHR

1 stop20h 40mJetBlue

Deal found 15/12£228

Mon 11/515:00SJU - LHR

1 stop13h 30mJetBlue

Deal found 16/12£229

Thu 26/216:11SJU - LHR

3 stops39h 14mMultiple Airlines

Deal found 15/12£231

Thu 29/110:52SJU - LHR

2 stops26h 13mMultiple Airlines

Deal found 17/12£232

Thu 26/218:22SJU - LHR

1 stop22h 23mJetBlue

Deal found 15/12£233

Find flight deals from Puerto Rico to Heathrow

Round-trip from	£410
One-way from	£209
Popular in	June
Cheapest in	February
Average price	£631

Lufthansa
10/2-17/2
2 total stops
29h 56m total
Puerto Rico to London

Search Deals

4/3
2 total stops
31h 45m total
Puerto Rico to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 13/1

17:50-10:50

1 stop13h 00m

London Heathrow

Tue 20/1

06:50-22:22

2 stops19h 32m

£423

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 29/1

02:05-21:20

1 stop15h 15m

London Heathrow

Mon 2/2

08:30-22:22

2 stops17h 52m

£438

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 21/1

02:05-21:20

1 stop15h 15m

London Heathrow

Thu 29/1

08:30-22:22

2 stops17h 52m

£438

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

02:05-20:35

1 stop14h 30m

London Heathrow

Sat 21/2

09:10-22:22

2 stops17h 12m

£444

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 22/1

14:15-09:00

1 stop14h 45m

London Heathrow

Thu 29/1

08:55-20:58

1 stop16h 03m

£445

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 12/3

05:01-21:40

1 stop12h 39m

London Heathrow

Sun 22/3

07:45-22:51

1 stop19h 06m

£513

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

07:30-08:45

2 stops21h 15m

London Heathrow

Thu 26/2

10:10-23:58

2 stops17h 48m

£522

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 12/3

03:26-20:45

1 stop13h 19m

London Heathrow

Sat 21/3

08:05-20:26

1 stop16h 21m

£523

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 30/4

13:50-09:30

1 stop14h 40m

London Heathrow

Mon 11/5

11:55-01:59

1 stop19h 04m

£524

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/3

05:01-21:40

1 stop12h 39m

London Heathrow

Sun 5/4

08:25-22:01

1 stop18h 36m

£524

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 21 results

Best time to book a flight from Puerto Rico to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Puerto Rico with our price prediction graph.

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 Puerto Rico to London Heathrow Airport

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

Currently, September is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £76). Flying from Puerto Rico to London Heathrow Airport in June is currently the most expensive (average of £734). 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.

Related info for your journey

How long is the flight from Puerto Rico to London Heathrow Airport?
There are many flights that can get you from Puerto Rico to London Heathrow Airport in 13h. Fly via United Airlines to get the fastest option. There are 4179 mi between Puerto Rico and London Heathrow Airport.
What are the most popular routes from Puerto Rico to London Heathrow Airport?
The most popular flight routes from Puerto Rico to London Heathrow Airport are San Juan Luis Munoz Marin Intl - London Heathrow, Culebra - London Heathrow and Ponce Mercedita - London Heathrow.
Can I find deals for flights from Puerto Rico to Heathrow that include hotel bookings?
Yes. In addition to deals on Puerto Rico to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Heathrow.
Can I find deals for business class flights from Puerto Rico to Heathrow?
Yes. Cheapflights offers flight deals from Puerto Rico to Heathrow 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 Puerto Rico to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £76). Flying from Puerto Rico to London Heathrow Airport in June is currently the most expensive (average of £734). 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

Milton Keynes

Croydon

Slough

Hounslow

Northampton

Luton

Gatwick

Wembley

Ilford

Brentford

Colchester

Hayes

Watford

Crawley

Swindon

Winchester

Bedford

Romford

Chichester

Eastbourne

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

Cheapflights helps you search for flights from Puerto Rico to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Puerto Rico to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Puerto Rico to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Puerto Rico to London Heathrow Airport from £209

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Puerto Rico to Heathrow

Cheapest flights from Puerto Rico to HeathrowExplore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Find flight deals from Puerto Rico to Heathrow

Keep the following information in mind while searching for Puerto Rico to Heathrow flight deals. Data was last updated 18 December 2025.

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 Puerto Rico to London Heathrow Airport that are best for you.

Best time to book a flight from Puerto Rico to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Puerto Rico with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to London Heathrow Airport

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

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

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 Puerto Rico to Heathrow

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

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Puerto Rico to Heathrow
Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.