How long is the flight from London to Puerto Rico?

There are many flights that can get you from London to Puerto Rico in 14h 05m. Fly via JetBlue, TAP AIR PORTUGAL, or Turkish Airlines 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 Stansted - 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.

£334+ 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 3 October 2026.

Wed 4/1109:20 -

1 stop19h 53m

Sat 21/1120:45 -

1 stop30h 10m

Deal found 28/9£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

Sun 22/1112:35 -

2 stops25h 18m

Sun 6/1207:17 -

1 stop20h 58m

Deal found 29/9£554

Mon 7/1212:20 -

1 stop17h 32m

Mon 14/1214:45 -

1 stop12h 10m

Deal found 29/9£565

Sun 22/1109:20 -

1 stop14h 15m

Sun 6/1207:00 -

1 stop19h 55m

Deal found 29/9£569

Tue 3/1107:25 -

1 stop17h 23m

Tue 10/1111:20 -

1 stop18h 10m

Deal found 28/9£570

Wed 11/1109:20 -

1 stop19h 53m

Mon 23/1103:29 -

1 stop14h 11m

Deal found 29/9£572

Thu 5/1106:15 -

1 stop14h 25m

Thu 12/1121:35 -

1 stop13h 10m

Deal found 28/9£575

Sat 3/1008:40 -

1 stop32h 22m

Sun 11/1006:00 -

1 stop33h 45m

Deal found 28/9£585

Thu 29/1010:50 -

2 stops19h 00m

Wed 11/1116:52 -

2 stops33h 33m

Deal found 29/9£589

Fri 4/1209:20 -

1 stop14h 07m

Sat 12/1217:18 -

1 stop33h 37m

Deal found 30/9£593

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 3 October 2026.

Thu 7/109:20 -

1 stop14h 05m

Thu 21/114:47 -

1 stop12h 08m

Deal found 28/9£603

Fri 22/106:00 -

2 stops33h 25m

Sun 31/118:10 -

1 stop15h 35m

Deal found 30/9£663

Sun 1/1109:05 -

2 stops44h 08m

Mon 9/1118:40 -

2 stops21h 55m

Deal found 2/10£864

Thu 15/1015:40 -

2 stops48h 49m

Fri 23/1006:20 -

2 stops27h 20m

Deal found 30/9£902

Fri 22/117:20 -

2 stops30h 29m

Sun 31/106:01 -

2 stops23h 54m

Deal found 30/9£930

Tue 3/1106:50 -

2 stops21h 46m

Tue 10/1117:50 -

1 stop13h 00m

Deal found 28/9£1,007

Thu 7/106:30 -

2 stops21h 29m

Thu 21/115:14 -

1 stop13h 01m

Deal found 29/9£1,040

Sat 27/209:20 -

1 stop17h 28m

Wed 3/305:00 -

1 stop12h 40m

Deal found 27/9£613

Fri 26/207:45 -

2 stops31h 40m

Sun 14/318:10 -

1 stop15h 35m

Deal found 2/10£686

Mon 26/1007:45 -

2 stops29h 34m

Tue 3/1118:10 -

1 stop13h 35m

Deal found 28/9£688

Wed 14/1008:40 -

1 stop20h 09m

Mon 19/1006:17 -

1 stop19h 13m

Deal found 30/9£709

Sun 10/116:30 -

2 stops31h 30m

Fri 15/121:35 -

1 stop12h 10m

Deal found 2/10£694

Fri 22/110:40 -

2 stops27h 42m

Sun 31/106:01 -

2 stops34h 34m

Deal found 30/9£872

Sun 22/1116:30 -

2 stops28h 10m

Sun 6/1221:35 -

1 stop19h 15m

Deal found 29/9£694

Fri 19/318:30 -

2 stops35h 12m

Wed 7/407:00 -

2 stops29h 45m

Deal found 2/10£879

Mon 15/206:35 -

2 stops34h 40m

Sun 21/217:50 -

2 stops22h 45m

Deal found 29/9£1,008

Tue 2/211:45 -

2 stops25h 53m

Sun 7/218:10 -

1 stop12h 40m

Deal found 29/9£1,048

Wed 25/1106:00 -

2 stops22h 40m

Fri 4/1206:15 -

2 stops31h 15m

Deal found 1/10£884

Thu 31/1210:55 -

2 stops26h 53m

Tue 12/106:01 -

2 stops23h 54m

Deal found 28/9£1,082

Sat 28/1108:05 -

1 stop22h 44m

Fri 4/1201:09 -

2 stops25h 21m

Deal found 30/9£744

Thu 5/1107:30 -

2 stops20h 27m

Sun 8/1101:09 -

2 stops24h 46m

Deal found 1/10£1,029

Wed 25/1107:35 -

2 stops19h 01m

Fri 4/1215:11 -

1 stop13h 04m

Deal found 29/9£1,054

Tue 2/210:40 -

2 stops28h 48m

Sun 7/206:01 -

2 stops23h 49m

Deal found 29/9£886

Fri 12/310:55 -

2 stops29h 00m

Wed 31/305:01 -

2 stops23h 54m

Deal found 1/10£1,104

Sun 15/1114:35 -

2 stops30h 05m

Sun 22/1118:10 -

1 stop13h 50m

Deal found 1/10£761

Thu 29/1007:40 -

1 stop16h 20m

Wed 11/1113:00 -

1 stop13h 20m

Deal found 30/9£1,053

Sat 27/211:45 -

1 stop12h 15m

Wed 3/321:35 -

1 stop17h 25m

Deal found 28/9£1,062

Sun 6/1209:05 -

2 stops31h 03m

Mon 14/1206:15 -

2 stops34h 20m

Deal found 28/9£887

Fri 6/1116:40 -

2 stops47h 56m

Sun 15/1118:10 -

1 stop13h 50m

Deal found 1/10£771

Fri 13/1117:20 -

2 stops31h 28m

Sun 22/1105:29 -

2 stops24h 26m

Deal found 29/9£1,134

Find flight deals from London to Puerto Rico

Round-trip from	£534
One-way from	£334
Popular in	December
Cheapest in	February
Average price	£621

JetBlue
4/11-21/11
2 total stops
50h 03m total
London to Puerto Rico

Search Deals

9/1-31/12
3 total stops
50h 18m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Wed 11/11

06:00-12:36

3 stops34h 36m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£336

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

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

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 2/12

17:45-01:18

3 stops35h 33m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£380

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Mon 23/11

07:45-09:19

2 stops29h 34m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£384

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Wed 2/12

06:00-01:58

3 stops23h 58m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£392

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Wed 24/2

06:00-20:48

3 stops42h 48m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£395

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Wed 3/3

13:45-16:40

2 stops30h 55m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£400

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 3/3

09:20-22:48

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£402

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 4/3

09:20-22:48

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£402

Flights are sorted by cheapest return flights first.

Deals found on 29/9

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.

STN-SJU

LTN-SJU

LGW-SJU

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 to Puerto Rico

LON-PR0

STN-SJU

LTN-SJU

LGW-SJU

LHR-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 £538). Flying from London to Puerto Rico in December is currently the most expensive (average of £973). 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 39 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

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

JetBlue

7.1

Good

3,044 reviews

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

Iberia

7.0

Good

3,256 reviews

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

Icelandair

6.9

Okay

756 reviews

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

Avianca

6.5

Okay

2,558 reviews

TAP AIR PORTUGAL

7.2

Good

2,384 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Sergio,Sept 2026

IBZ - LIS

The Boarding process was delayed. Then very slow to get on, so many signs of un-organization. I wouldn't want to fly this airline again...

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 14h 05m. Fly via JetBlue, TAP AIR PORTUGAL, or Turkish Airlines 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 Stansted - 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 £538). Flying from London to Puerto Rico in December is currently the most expensive (average of £973). 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 4 airlines flying from London to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£430	Average£708	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£492	Average£863	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Iberia	Cheapest£857	Average£1,041	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£857	Average£1,091	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 £334

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. 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 3 October 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 3 October 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 3 October 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 3 October 2026.

Last-minute flights from London to Puerto RicoDiscover last-minute flight deals from London to Puerto Rico. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Puerto Rico. Data last updated 3 October 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 3 October 2026.

Search for one-way flight options from London to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 3 October 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 39 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 3 October 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 4 airlines flying from London to Puerto Rico

Fly with Cheapflights

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 3 October 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 3 October 2026.

Last-minute flights from London to Puerto Rico
Discover last-minute flight deals from London to Puerto Rico. Data last updated 3 October 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 3 October 2026.