How long is the flight from London to Puerto Rico?

There are many flights that can get you from London to Puerto Rico in 16h 58m. Fly via JetBlue, Icelandair, or TAP AIR PORTUGAL to get the fastest option. The distance from London to 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 to Puerto Rico?

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

What are the most popular airlines that fly from London to Puerto Rico?

JetBlue, Iberia and Icelandair are the most popular airlines when flying from London to Puerto Rico.

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from London 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.

£273+ Cheap Flights from London to Puerto Rico

Cheap flight deals from London to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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

Fri 6/1112:35 -

1 stop25h 40m

Thu 12/1103:55 -

1 stop26h 05m

Deal found 4/9£498

Thu 1/1014:00 -

1 stop14h 13m

Sun 11/1010:39 -

1 stop18h 21m

Deal found 31/8£500

Fri 6/1112:35 -

1 stop18h 15m

Sat 7/1103:55 -

1 stop24h 20m

Deal found 2/9£501

Wed 23/914:00 -

1 stop29h 18m

Sun 27/902:57 -

1 stop26h 03m

Deal found 1/9£531

Wed 18/1109:50 -

1 stop21h 00m

Tue 1/1211:00 -

1 stop15h 50m

Deal found 31/8£534

Fri 6/1112:35 -

1 stop18h 15m

Tue 17/1107:23 -

1 stop19h 27m

Deal found 31/8£552

Fri 4/1212:35 -

1 stop18h 07m

Sat 12/1219:43 -

1 stop32h 32m

Deal found 31/8£553

Fri 6/1106:00 -

1 stop14h 40m

Tue 17/1118:10 -

1 stop13h 55m

Deal found 31/8£571

Tue 3/1107:25 -

1 stop17h 23m

Mon 9/1107:00 -

1 stop19h 55m

Deal found 3/9£574

Fri 2/1008:15 -

1 stop34h 24m

Fri 9/1019:35 -

1 stop29h 55m

Deal found 1/9£576

Mon 21/914:00 -

1 stop24h 35m

Thu 8/1016:24 -

2 stops36h 36m

Deal found 1/9£580

Fri 6/1112:35 -

1 stop25h 40m

Sat 14/1103:55 -

1 stop24h 20m

Deal found 4/9£581

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

Fri 25/908:40 -

1 stop18h 47m

Mon 28/913:00 -

1 stop15h 30m

Deal found 2/9£602

Sat 7/1106:00 -

2 stops23h 13m

Sat 14/1107:00 -

1 stop19h 55m

Deal found 1/9£725

Wed 11/1112:15 -

2 stops16h 58m

Tue 24/1105:01 -

2 stops34h 29m

Deal found 4/9£755

Sun 13/1210:40 -

2 stops28h 48m

Sun 31/116:40 -

2 stops23h 55m

Deal found 3/9£870

Mon 5/1006:50 -

2 stops21h 19m

Sun 11/1000:15 -

2 stops25h 15m

Deal found 4/9£1,004

Wed 18/1106:15 -

1 stop14h 25m

Mon 30/1115:17 -

1 stop16h 48m

Deal found 31/8£1,021

Fri 20/1117:20 -

2 stops37h 14m

Tue 1/1206:01 -

2 stops23h 54m

Deal found 31/8£1,035

Wed 25/1109:20 -

1 stop14h 15m

Fri 4/1214:44 -

1 stop12h 11m

Deal found 1/9£617

Sun 11/1008:15 -

1 stop16h 38m

Sun 18/1006:20 -

1 stop19h 10m

Deal found 4/9£632

Thu 15/1020:10 -

2 stops31h 36m

Sat 24/1006:04 -

2 stops23h 11m

Deal found 30/8£739

Wed 18/1111:55 -

2 stops17h 18m

Tue 1/1213:59 -

2 stops16h 56m

Deal found 31/8£777

Thu 15/1008:15 -

1 stop18h 16m

Sat 24/1006:04 -

1 stop34h 51m

Deal found 30/8£659

Sat 7/1121:45 -

2 stops22h 55m

Sun 15/1121:35 -

1 stop30h 20m

Deal found 1/9£750

Sun 13/1210:40 -

2 stops28h 48m

Fri 29/111:06 -

2 stops24h 39m

Deal found 3/9£876

Fri 5/219:40 -

2 stops25h 00m

Sat 13/221:35 -

2 stops30h 45m

Deal found 31/8£772

Sun 13/1210:40 -

2 stops28h 48m

Mon 1/211:06 -

2 stops24h 39m

Deal found 3/9£876

Wed 11/1109:30 -

2 stops19h 06m

Tue 24/1117:50 -

1 stop13h 00m

Deal found 30/8£1,010

Wed 18/1106:50 -

2 stops21h 09m

Tue 1/1208:30 -

2 stops24h 10m

Deal found 31/8£1,041

Thu 19/1110:40 -

2 stops42h 00m

Tue 1/1206:16 -

2 stops29h 29m

Deal found 31/8£881

Fri 9/1010:50 -

2 stops29h 50m

Mon 19/1010:30 -

2 stops25h 10m

Deal found 3/9£1,097

Tue 2/221:20 -

3 stops30h 30m

Sun 7/216:40 -

2 stops23h 55m

Deal found 2/9£826

Thu 19/1112:20 -

1 stop19h 28m

Tue 1/1213:59 -

1 stop15h 31m

Deal found 31/8£853

Fri 20/1106:50 -

2 stops21h 07m

Mon 30/1121:35 -

1 stop12h 40m

Deal found 31/8£1,070

Mon 14/1210:40 -

2 stops28h 48m

Sun 31/116:40 -

2 stops23h 55m

Deal found 3/9£890

Wed 11/1106:00 -

2 stops22h 25m

Tue 24/1117:05 -

2 stops20h 25m

Deal found 30/8£827

Tue 17/1117:20 -

2 stops31h 28m

Sat 21/1105:30 -

2 stops24h 25m

Deal found 3/9£1,128

Thu 19/1106:50 -

2 stops21h 07m

Tue 1/1208:30 -

2 stops24h 10m

Deal found 31/8£1,071

Mon 14/1210:40 -

2 stops28h 48m

Fri 29/111:06 -

2 stops24h 39m

Deal found 3/9£896

Fri 11/1221:45 -

2 stops26h 15m

Sat 19/1221:35 -

2 stops30h 45m

Deal found 1/9£839

Thu 7/110:40 -

2 stops29h 53m

Thu 21/115:35 -

2 stops20h 15m

Deal found 30/8£901

Find flight deals from London to Puerto Rico

Round-trip from	£500
One-way from	£273
Popular in	December
Cheapest in	February
Average price	£637

1/10-11/10
2 total stops
32h 34m total
London to Puerto Rico

Search Deals

5/11-31/12
2 total stops
25h 46m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Fri 6/11

12:35-14:43

1 stop30h 08m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£291

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Tue 8/12

09:35-11:53

1 stop30h 18m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£297

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Tue 17/11

09:35-00:59

2 stops43h 24m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£320

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Thu 5/11

15:40-00:04

3 stops36h 24m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£329

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Thu 5/11

07:15-12:36

3 stops33h 21m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£329

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 14/11

21:45-12:36

3 stops42h 51m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£349

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Tue 27/10

15:30-12:35

3 stops49h 05m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£360

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 15/11

11:50-09:19

2 stops49h 29m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£364

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 24/11

08:10-02:21

3 stops46h 11m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£380

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 2/11

09:20-01:13

1 stop19h 53m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£389

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Puerto Rico

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

LGW-SJU

LHR-SJU

STN-SJU

LCY-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 to Puerto Rico

LON-PR0

LGW-SJU

LHR-SJU

STN-SJU

LCY-SJU

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

Currently, February is the cheapest month in which you can book a flight from London to Puerto Rico (average of £525). Flying from London to Puerto Rico in December is currently the most expensive (average of £938). 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 to Puerto Rico?

The price you pay for your flight from London to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Puerto Rico

Check out reviews from past customers who have flown with TAP AIR PORTUGAL,JetBlue, andIberia from London to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

JetBlue

7.1

Good

3,043 reviews

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

Iberia

7.0

Good

3,248 reviews

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

Icelandair

6.9

Okay

740 reviews

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

Avianca

6.5

Okay

2,556 reviews

TAP AIR PORTUGAL

7.2

Good

2,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Bhairav,Jun 2026

LHR - LIS

Flew business. Uncomfortable seats and so so food and drink. Only thing attractive was the price.

Related info for your journey

How long is the flight from London to Puerto Rico?
There are many flights that can get you from London to Puerto Rico in 16h 58m. Fly via JetBlue, Icelandair, or TAP AIR PORTUGAL to get the fastest option. The distance from London to 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 to Puerto Rico?
When deciding which route to take from London to Puerto Rico consider London Heathrow - San Juan Luis Munoz Marin Intl, London Gatwick - San Juan Luis Munoz Marin Intl or London City - San Juan Luis Munoz Marin Intl as they are the most popular.
Can I find deals for flights from London to Puerto Rico that include hotel bookings?
Yes. In addition to deals on London to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Puerto Rico.
Can I find deals for business class flights from London to Puerto Rico?
Yes. Cheapflights offers flight deals from London 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 to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from London to Puerto Rico (average of £525). Flying from London to Puerto Rico in December is currently the most expensive (average of £938). 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 London to Puerto Rico

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Top 5 airlines flying from London to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£330	Average£1,135	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£418	Average£747	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£482	Average£844	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Iberia	Cheapest£768	Average£1,160	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£839	Average£1,047	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Puerto Rico from London today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Puerto Rico, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on London to Puerto Rico flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London to Puerto Rico from £273

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Puerto Rico

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

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

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

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

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

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

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

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

Find flight deals from London 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 to Puerto Rico that are best for you.

Best time to book a flight from London to Puerto Rico

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

Cheapflights Insights

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

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

The price you pay for your flight from London to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Puerto Rico

Check out reviews from past customers who have flown with TAP AIR PORTUGAL,JetBlue, andIberia from London to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Puerto Rico?

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

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

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

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

What is the cheapest month to book a flight from London 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 London 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 London to Puerto Rico by cabin class

Find flights from London to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Puerto Rico flights

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

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Puerto Rico flights

Consider these flights travelling from London to Puerto Rico.

Top 5 airlines flying from London to Puerto Rico

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

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

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

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

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Travel Smart

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

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

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

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