How long is the flight from London to Puerto Rico?

There are many flights that can get you from London to Puerto Rico in 19h 53m. Fly via JetBlue, TAP AIR PORTUGAL, or United 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 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.

£325+ 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 21 September 2026.

Thu 29/1009:40 -

1 stop17h 59m

Wed 11/1116:52 -

1 stop15h 43m

Deal found 17/9£540

Thu 1/1010:55 -

1 stop20h 18m

Sat 10/1011:54 -

1 stop15h 11m

Deal found 17/9£558

Thu 29/1010:00 -

2 stops17h 39m

Wed 11/1116:52 -

2 stops18h 53m

Deal found 18/9£561

Sun 1/1118:40 -

2 stops32h 58m

Sun 8/1106:00 -

2 stops31h 50m

Deal found 17/9£561

Sun 1/1115:35 -

1 stop25h 01m

Tue 17/1116:52 -

1 stop15h 43m

Deal found 20/9£567

Sun 1/1112:20 -

1 stop28h 06m

Mon 9/1107:00 -

1 stop19h 55m

Deal found 18/9£573

Sun 8/1112:20 -

1 stop32h 35m

Tue 24/1120:55 -

1 stop20h 45m

Deal found 21/9£574

Tue 3/1109:20 -

1 stop19h 53m

Fri 13/1111:20 -

1 stop30h 20m

Deal found 17/9£576

Wed 4/1110:00 -

2 stops17h 38m

Wed 11/1116:52 -

2 stops18h 53m

Deal found 20/9£578

Wed 4/1106:40 -

3 stops34h 45m

Wed 11/1108:45 -

3 stops29h 45m

Deal found 20/9£579

Thu 1/1008:40 -

1 stop32h 22m

Sat 10/1019:35 -

1 stop29h 55m

Deal found 18/9£583

Sun 1/1109:45 -

1 stop14h 15m

Sun 8/1121:35 -

1 stop17h 05m

Deal found 18/9£602

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 21 September 2026.

Wed 4/1109:20 -

1 stop19h 53m

Wed 11/1111:20 -

1 stop18h 10m

Deal found 20/9£602

Fri 15/121:45 -

2 stops26h 15m

Sat 23/121:35 -

2 stops30h 45m

Deal found 18/9£657

Mon 26/1021:35 -

1 stop23h 20m

Wed 28/1018:20 -

1 stop16h 15m

Deal found 19/9£759

Sat 24/1012:05 -

2 stops41h 08m

Fri 30/1017:40 -

2 stops34h 40m

Deal found 16/9£873

Wed 4/1107:30 -

2 stops18h 52m

Wed 11/1113:00 -

2 stops19h 00m

Deal found 20/9£998

Thu 7/106:30 -

2 stops21h 29m

Thu 21/115:14 -

1 stop13h 01m

Deal found 20/9£1,027

Sun 28/217:20 -

2 stops37h 22m

Mon 8/319:59 -

2 stops33h 56m

Deal found 16/9£1,062

Tue 3/1109:20 -

1 stop19h 53m

Tue 10/1111:20 -

1 stop18h 10m

Deal found 17/9£613

Mon 26/1021:35 -

1 stop17h 50m

Thu 29/1012:50 -

1 stop21h 45m

Deal found 19/9£759

Mon 18/109:15 -

1 stop14h 45m

Fri 22/106:01 -

2 stops21h 49m

Deal found 16/9£771

Fri 23/1021:15 -

2 stops55h 58m

Sat 31/1006:00 -

2 stops23h 50m

Deal found 16/9£876

Sat 27/206:00 -

2 stops20h 48m

Tue 2/312:45 -

2 stops19h 55m

Deal found 20/9£880

Thu 7/110:10 -

3 stops28h 12m

Thu 21/106:01 -

2 stops29h 49m

Deal found 20/9£909

Tue 3/1106:50 -

2 stops21h 46m

Tue 10/1113:00 -

1 stop13h 20m

Deal found 19/9£1,004

Wed 25/1107:35 -

2 stops19h 01m

Fri 4/1215:17 -

1 stop12h 58m

Deal found 18/9£1,055

Thu 7/117:20 -

2 stops30h 29m

Thu 21/113:54 -

2 stops22h 26m

Deal found 18/9£1,067

Mon 18/121:35 -

3 stops41h 53m

Mon 1/206:01 -

2 stops29h 44m

Deal found 19/9£888

Mon 5/1007:30 -

2 stops20h 39m

Sun 11/1000:15 -

1 stop15h 25m

Deal found 20/9£1,017

Thu 29/1006:50 -

2 stops20h 07m

Wed 11/1111:35 -

2 stops17h 15m

Deal found 17/9£1,057

Fri 15/121:35 -

3 stops40h 47m

Sun 24/110:43 -

2 stops25h 02m

Deal found 18/9£888

Thu 12/1110:55 -

2 stops42h 18m

Mon 16/1118:17 -

2 stops35h 38m

Deal found 20/9£1,032

Thu 5/1107:30 -

2 stops20h 27m

Sun 8/1101:09 -

2 stops24h 46m

Deal found 16/9£1,032

Sat 6/211:25 -

2 stops40h 34m

Wed 10/208:15 -

2 stops33h 10m

Deal found 20/9£1,060

Wed 25/1116:35 -

2 stops47h 33m

Fri 4/1206:15 -

2 stops29h 30m

Deal found 20/9£888

Wed 7/1021:30 -

2 stops24h 40m

Sun 11/1015:55 -

3 stops26h 45m

Deal found 21/9£1,051

Mon 26/1021:35 -

2 stops54h 38m

Sun 1/1107:00 -

2 stops46h 50m

Deal found 21/9£917

Sat 14/1107:45 -

2 stops20h 14m

Sun 22/1121:35 -

1 stop12h 40m

Deal found 21/9£1,137

Thu 31/1210:55 -

2 stops28h 49m

Tue 12/108:10 -

2 stops21h 45m

Deal found 17/9£1,052

Sun 1/1118:00 -

2 stops25h 49m

Sun 8/1113:25 -

2 stops27h 10m

Deal found 17/9£1,200

Thu 7/107:40 -

2 stops18h 57m

Thu 21/121:35 -

1 stop12h 25m

Deal found 18/9£1,144

Find flight deals from London to Puerto Rico

Round-trip from	£540
One-way from	£325
Popular in	December
Cheapest in	February
Average price	£687

29/10-11/11
2 total stops
33h 42m total
London to Puerto Rico

Search Deals

14/11-31/12
3 total stops
42h 51m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£25 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

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 23/11

09:15-09:19

2 stops28h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£356

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Tue 5/1

15:20-15:42

3 stops52h 22m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£371

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 18/1

06:00-20:00

2 stops18h 00m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£387

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Sat 21/11

07:45-09:53

3 stops54h 08m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£388

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 16/11

08:05-20:48

1 stop16h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£389

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 23/11

09:20-00:40

1 stop19h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£390

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sun 22/11

07:45-08:39

2 stops28h 54m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£390

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 27/11

09:20-19:35

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£391

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sat 31/10

08:05-19:42

1 stop15h 37m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£393

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 24/11

07:25-20:35

1 stop17h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£396

Flights are sorted by cheapest return flights first.

Deals found on 20/9

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

LHR-SJU

LGW-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

STN-SJU

LHR-SJU

LGW-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 £528). Flying from London to Puerto Rico in December is currently the most expensive (average of £964). 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

2,377 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

2,377 reviews

TAP AIR PORTUGAL

7.2

Good

2,377 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

3,033 reviews

TAP AIR PORTUGAL

7.2

Good

2,377 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

3,254 reviews

TAP AIR PORTUGAL

7.2

Good

2,377 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

747 reviews

TAP AIR PORTUGAL

7.2

Good

2,377 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

2,549 reviews

TAP AIR PORTUGAL

7.2

Good

2,377 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 19h 53m. Fly via JetBlue, TAP AIR PORTUGAL, or United 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 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 £528). Flying from London to Puerto Rico in December is currently the most expensive (average of £964). 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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Complete your trip

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Alternative routes for London to Puerto Rico

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London City to Castries flights

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London City to St. George's flights

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Gatwick to Santo Domingo flights

Stansted to Luis Munoz Marin Intl flights

London City to Luis Munoz Marin Intl flights

Heathrow to Road Town flights

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Gatwick to Havana flights

Manchester to Montego Bay flights

Heathrow to Roseau flights

Gatwick to George Town flights

Gatwick to Willemstad flights

London City to St. John's flights

Top 4 airlines flying from London to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£414	Average£698	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£486	Average£852	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£846	Average£1,077	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£894	Average£1,079	FlexibilityNo cancel fee	On-time77%	Search Iberia 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 £325

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. 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 21 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 21 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 21 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 21 September 2026.

Last-minute flights from London to Puerto RicoDiscover last-minute flight deals from London to Puerto Rico. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Puerto Rico. Data last updated 21 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 21 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 21 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 21 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 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 21 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 21 September 2026.

Last-minute flights from London to Puerto Rico
Discover last-minute flight deals from London to Puerto Rico. Data last updated 21 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 21 September 2026.