How long is the flight from Puerto Rico to London?

Airlines like JetBlue, United Airlines, and British Airways fly from Puerto Rico to London in about 13h 26m. The time it takes to get you to your destination can typically vary by up to 2h 29m. The distance from Puerto Rico to London is about 4179 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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?

When deciding which route to take from Puerto Rico to London consider San Juan Luis Munoz Marin Intl - London Gatwick, San Juan Luis Munoz Marin Intl - London Heathrow or San Juan Luis Munoz Marin Intl - London City as they are the most popular.

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

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

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

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

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

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

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

£193+ Cheap Flights from Puerto Rico to London

Cheap flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Puerto Rico to London
Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2026.

Thu 26/1107:00 -

1 stop24h 40m

Thu 3/1206:30 -

2 stops20h 43m

Deal found 30/10£532

Thu 12/1118:20 -

1 stop16h 15m

Mon 16/1121:35 -

1 stop23h 20m

Deal found 2/11£541

Thu 5/1112:50 -

1 stop21h 45m

Tue 10/1121:35 -

1 stop23h 20m

Deal found 1/11£542

Tue 17/1118:20 -

1 stop16h 15m

Fri 27/1121:35 -

1 stop17h 50m

Deal found 2/11£550

Thu 19/1112:50 -

1 stop21h 45m

Sat 28/1121:35 -

1 stop23h 20m

Deal found 2/11£551

Wed 11/1118:20 -

1 stop16h 15m

Mon 16/1121:35 -

1 stop23h 20m

Deal found 3/11£552

Wed 11/1118:20 -

1 stop16h 15m

Tue 24/1121:35 -

1 stop23h 20m

Deal found 4/11£552

Fri 20/1118:20 -

1 stop16h 15m

Sun 29/1121:35 -

1 stop23h 20m

Deal found 2/11£560

Sun 22/1118:20 -

1 stop16h 15m

Mon 30/1121:35 -

1 stop23h 20m

Deal found 1/11£576

Wed 11/1113:00 -

2 stops21h 00m

Tue 24/1108:50 -

1 stop15h 10m

Deal found 4/11£622

Wed 11/1114:55 -

2 stops22h 25m

Tue 24/1110:00 -

2 stops17h 15m

Deal found 3/11£631

Thu 12/1121:35 -

1 stop12h 25m

Mon 16/1108:50 -

1 stop15h 10m

Deal found 31/10£653

Best flights from Puerto Rico to London
Discover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Thu 26/1103:29 -

1 stop13h 26m

Fri 4/1209:20 -

1 stop14h 07m

Deal found 30/10£580

Fri 27/1113:00 -

1 stop15h 25m

Fri 4/1206:50 -

2 stops21h 46m

Deal found 30/10£611

Thu 26/1107:00 -

2 stops20h 05m

Thu 3/1215:50 -

2 stops26h 30m

Deal found 3/11£681

Tue 20/413:25 -

2 stops17h 35m

Tue 27/406:15 -

2 stops20h 09m

Deal found 1/11£693

Fri 27/1105:19 -

3 stops26h 21m

Fri 4/1209:15 -

2 stops20h 43m

Deal found 30/10£1,009

Wed 3/217:50 -

1 stop13h 00m

Wed 17/206:50 -

2 stops21h 46m

Deal found 2/11£620

Thu 29/413:27 -

1 stop12h 03m

Thu 13/511:55 -

1 stop15h 58m

Deal found 4/11£643

Thu 18/216:55 -

1 stop15h 05m

Sun 21/206:50 -

2 stops19h 32m

Deal found 1/11£620

Sat 23/107:40 -

2 stops19h 30m

Sun 31/106:50 -

2 stops19h 32m

Deal found 30/10£621

Thu 29/413:25 -

2 stops15h 55m

Thu 13/509:35 -

1 stop14h 25m

Deal found 2/11£760

Tue 20/401:00 -

1 stop14h 40m

Sun 2/506:50 -

2 stops22h 00m

Deal found 4/11£625

Tue 17/1111:35 -

2 stops17h 15m

Mon 23/1108:50 -

2 stops19h 07m

Deal found 4/11£779

Wed 17/210:28 -

2 stops18h 22m

Mon 22/208:50 -

2 stops18h 21m

Deal found 2/11£804

Thu 22/420:35 -

1 stop13h 40m

Tue 27/409:35 -

2 stops28h 38m

Deal found 1/11£928

Sat 5/1208:30 -

2 stops45h 50m

Wed 9/1206:50 -

2 stops21h 21m

Deal found 3/11£966

Mon 23/1110:32 -

2 stops18h 18m

Mon 30/1109:10 -

2 stops18h 47m

Deal found 2/11£1,099

Thu 26/1121:35 -

1 stop12h 25m

Mon 30/1109:10 -

2 stops18h 47m

Deal found 2/11£1,132

Wed 25/1111:31 -

2 stops17h 19m

Mon 30/1109:10 -

2 stops18h 47m

Deal found 1/11£1,177

Sun 22/1121:35 -

1 stop12h 40m

Mon 30/1109:10 -

2 stops18h 47m

Deal found 2/11£1,244

Find flight deals from Puerto Rico to London

Round-trip from	£528
One-way from	£193
Popular in	June
Cheapest in	February
Average price	£605

United Airlines
1/2-4/2
3 total stops
69h 42m total
Puerto Rico to London

Search Deals

JetBlue
15/1-31/12
1 total stop
20h 52m total
Puerto Rico to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£124 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 16/3

13:10-09:30

1 stop16h 20m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£206

Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 18/3

05:20-21:40

1 stop12h 20m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£206

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:00-06:55

1 stop19h 55m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£206

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 17/11

07:00-06:55

1 stop19h 55m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£206

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 17/11

13:00-12:00

2 stops19h 00m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£229

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 22/3

09:15-10:15

1 stop21h 00m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£229

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 16/3

12:00-12:00

2 stops20h 00m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£229

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

17:50-20:35

2 stops22h 45m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£232

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/11

08:05-09:10

2 stops21h 05m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£232

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sat 23/1

07:40-10:25

2 stops22h 45m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£232

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 38 resultsSorted by cheapest first

Best time to book a flight from Puerto Rico to London

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

SJU-LHR

SJU-LCY

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

PR0-LON

SJU-LHR

SJU-LCY

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

Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London (average of £532). Flying from Puerto Rico to London in June is currently the most expensive (average of £907). 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 Puerto Rico to London?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Puerto Rico to London?
Airlines like JetBlue, United Airlines, and British Airways fly from Puerto Rico to London in about 13h 26m. The time it takes to get you to your destination can typically vary by up to 2h 29m. The distance from Puerto Rico to London is about 4179 mi. This flight may include one or multiple stops.
What are the most popular routes from Puerto Rico to London?
When deciding which route to take from Puerto Rico to London consider San Juan Luis Munoz Marin Intl - London Gatwick, San Juan Luis Munoz Marin Intl - London Heathrow or San Juan Luis Munoz Marin Intl - London City as they are the most popular.
Can I find deals for flights from Puerto Rico to London that include hotel bookings?
Yes. In addition to deals on Puerto Rico to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to London.
Can I find deals for business class flights from Puerto Rico to London?
Yes. Cheapflights offers flight deals from Puerto Rico to London 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?
Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London (average of £532). Flying from Puerto Rico to London in June is currently the most expensive (average of £907). 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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How does Cheapflights help users find flights from Puerto Rico to London?

Deals for Puerto Rico to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Puerto Rico.

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

Certainly. Search results for flights to London from Puerto Rico shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Puerto Rico to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Puerto Rico to London from £193

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Puerto Rico to London

Cheapest flights from Puerto Rico to LondonExplore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2026.

Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2026.

Best flights from Puerto Rico to LondonDiscover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Discover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Last-minute flights from Puerto Rico to LondonDiscover last-minute flight deals from Puerto Rico to London. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from Puerto Rico to London. Data last updated 4 November 2026 and is based on user searches.

One-way flights from Puerto Rico to LondonSearch for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

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

Find flight deals from Puerto Rico to London

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

Best time to book a flight from Puerto Rico to London

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

Cheapflights Insights

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

How far ahead should I book a flight from Puerto Rico to London?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from Puerto Rico to London?

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

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

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

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

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

Travelling to a place near London?

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Alternative routes for Puerto Rico to London

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Complete your trip

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Search flights from Puerto Rico to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 November 2026.

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Browse other Puerto Rico and London flight options. Last updated on 4 November 2026.

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

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

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

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

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Cheapest flights from Puerto Rico to London
Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2026.

Best flights from Puerto Rico to London
Discover carefully curated flight deals from Puerto Rico to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Last-minute flights from Puerto Rico to London
Discover last-minute flight deals from Puerto Rico to London. Data last updated 4 November 2026 and is based on user searches.

One-way flights from Puerto Rico to London
Search for one-way flight options from Puerto Rico to London. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.