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 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.

£339+ 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 15 October 2026.

Tue 8/1212:15 -

2 stops18h 37m

Thu 10/1203:47 -

2 stops27h 03m

Deal found 11/10£592

Tue 10/1106:30 -

2 stops22h 29m

Mon 16/1103:55 -

2 stops22h 30m

Deal found 11/10£593

Mon 9/1117:05 -

2 stops35h 54m

Sun 15/1103:55 -

2 stops22h 30m

Deal found 12/10£596

Thu 26/1108:40 -

3 stops34h 20m

Thu 3/1205:01 -

1 stop21h 24m

Deal found 12/10£599

Mon 9/1110:00 -

2 stops18h 59m

Sun 15/1103:55 -

3 stops31h 50m

Deal found 12/10£609

Wed 25/1110:40 -

2 stops27h 53m

Sun 6/1203:28 -

2 stops32h 17m

Deal found 10/10£624

Wed 25/1110:50 -

2 stops27h 43m

Wed 2/1205:01 -

1 stop21h 24m

Deal found 11/10£626

Tue 10/1110:00 -

2 stops17h 38m

Tue 17/1116:52 -

2 stops18h 53m

Deal found 11/10£631

Sun 8/1118:30 -

2 stops33h 08m

Fri 13/1106:00 -

2 stops31h 30m

Deal found 13/10£631

Sun 8/1110:40 -

2 stops29h 56m

Fri 13/1106:00 -

2 stops29h 45m

Deal found 13/10£633

Wed 4/1108:55 -

2 stops18h 43m

Wed 18/1116:52 -

1 stop15h 48m

Deal found 13/10£634

Wed 2/1216:45 -

2 stops37h 13m

Sun 13/1221:35 -

1 stop19h 30m

Deal found 13/10£639

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 15 October 2026.

Fri 12/321:30 -

2 stops47h 25m

Thu 25/312:50 -

2 stops28h 00m

Deal found 14/10£655

Sat 14/1109:20 -

1 stop19h 53m

Thu 26/1112:15 -

1 stop14h 40m

Deal found 10/10£678

Wed 11/1112:15 -

2 stops16h 58m

Tue 24/1105:01 -

2 stops25h 49m

Deal found 12/10£781

Fri 5/216:40 -

2 stops45h 42m

Mon 15/206:10 -

2 stops23h 40m

Deal found 10/10£876

Tue 12/117:20 -

2 stops30h 29m

Tue 19/106:01 -

2 stops23h 54m

Deal found 14/10£924

Thu 5/1107:30 -

2 stops20h 27m

Sun 8/1101:09 -

1 stop29h 16m

Deal found 14/10£1,061

Sat 27/209:20 -

1 stop17h 28m

Tue 2/305:00 -

1 stop12h 40m

Deal found 14/10£692

Sun 29/1107:50 -

2 stops40h 40m

Sun 6/1221:35 -

1 stop12h 40m

Deal found 14/10£705

Sun 10/110:15 -

2 stops37h 45m

Fri 15/121:35 -

1 stop12h 40m

Deal found 12/10£722

Fri 5/207:45 -

1 stop16h 15m

Mon 15/218:10 -

1 stop16h 05m

Deal found 10/10£725

Tue 12/110:40 -

2 stops28h 48m

Tue 19/110:43 -

3 stops42h 42m

Deal found 14/10£886

Sat 7/1112:20 -

1 stop15h 35m

Fri 20/1105:05 -

1 stop11h 50m

Deal found 12/10£818

Thu 12/1107:45 -

1 stop16h 15m

Thu 26/1121:35 -

1 stop20h 25m

Deal found 13/10£725

Fri 20/1106:25 -

2 stops25h 02m

Thu 26/1112:44 -

2 stops29h 46m

Deal found 10/10£970

Wed 25/1116:35 -

2 stops38h 52m

Fri 4/1206:15 -

2 stops29h 30m

Deal found 10/10£887

Tue 5/107:45 -

2 stops39h 59m

Sat 16/121:35 -

1 stop12h 40m

Deal found 12/10£726

Thu 31/1206:25 -

2 stops24h 04m

Tue 12/106:01 -

2 stops23h 44m

Deal found 11/10£977

Thu 12/1110:10 -

3 stops43h 03m

Thu 26/1115:50 -

2 stops20h 00m

Deal found 13/10£889

Sun 1/1107:45 -

1 stop17h 03m

Thu 5/1111:20 -

1 stop18h 10m

Deal found 13/10£896

Tue 29/1209:20 -

1 stop18h 39m

Mon 4/123:40 -

1 stop18h 00m

Deal found 14/10£901

Wed 25/1121:30 -

2 stops32h 41m

Wed 2/1221:35 -

1 stop12h 40m

Deal found 11/10£748

Sun 8/1110:55 -

2 stops37h 53m

Thu 19/1103:29 -

2 stops32h 51m

Deal found 13/10£1,000

Tue 12/110:40 -

2 stops28h 48m

Tue 26/113:10 -

3 stops40h 15m

Deal found 13/10£959

Fri 11/1208:05 -

1 stop18h 20m

Thu 7/105:45 -

1 stop11h 55m

Deal found 11/10£918

Fri 4/1206:20 -

3 stops23h 38m

Sun 13/1218:20 -

2 stops22h 30m

Deal found 10/10£762

Thu 7/117:20 -

2 stops32h 35m

Thu 21/114:47 -

2 stops21h 33m

Deal found 14/10£1,051

Tue 5/121:20 -

3 stops42h 08m

Sat 16/113:10 -

2 stops27h 30m

Deal found 12/10£975

Wed 25/1112:15 -

2 stops16h 25m

Fri 4/1214:45 -

2 stops16h 05m

Deal found 12/10£781

Tue 22/1209:20 -

1 stop18h 39m

Mon 4/123:40 -

1 stop18h 00m

Deal found 14/10£1,019

Sat 21/1121:30 -

3 stops32h 41m

Sun 29/1118:20 -

3 stops20h 05m

Deal found 12/10£797

Find flight deals from London to Puerto Rico

Round-trip from	£592
One-way from	£339
Popular in	December
Cheapest in	February
Average price	£621

8/12-10/12
4 total stops
45h 40m total
London to Puerto Rico

Search Deals

2/2-31/12
3 total stops
34h 04m total
London to Puerto Rico

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£31 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

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 21/11

21:45-02:11

3 stops32h 26m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£352

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Wed 11/11

08:30-23:38

3 stops43h 08m

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

Sat 12/12

14:30-01:58

3 stops39h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£370

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Mon 23/11

19:05-20:30

2 stops53h 25m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£373

LondonSan Juan

STN London Stansted - SJU San Juan Luis Munoz Marin Intl

STNSJU

London Stansted

Sat 14/11

09:45-12:36

2 stops30h 51m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£382

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Sat 12/12

12:15-01:58

3 stops41h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£383

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Mon 9/11

14:35-23:38

3 stops37h 03m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£383

LondonSan Juan

LTN London Luton - SJU San Juan Luis Munoz Marin Intl

LTNSJU

London Luton

Tue 17/11

16:35-23:38

3 stops35h 03m

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

Sun 17/1

06:00-02:49

3 stops24h 49m

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

Tue 10/11

07:45-15:22

2 stops35h 37m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£392

Flights are sorted by cheapest return flights first.

Deals found on 13/10

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.

LTN-SJU

LHR-SJU

LGW-SJU

STN-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

LTN-SJU

LHR-SJU

LGW-SJU

STN-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 £982). 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

2,379 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

2,379 reviews

TAP AIR PORTUGAL

7.2

Good

2,379 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

3,057 reviews

TAP AIR PORTUGAL

7.2

Good

2,379 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

3,245 reviews

TAP AIR PORTUGAL

7.2

Good

2,379 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

758 reviews

TAP AIR PORTUGAL

7.2

Good

2,379 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

2,555 reviews

TAP AIR PORTUGAL

7.2

Good

2,379 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 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 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 £982). 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£428	Average£705	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£491	Average£862	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Iberia	Cheapest£856	Average£1,045	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 £339

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. 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 15 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 15 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 15 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 15 October 2026.

Last-minute flights from London to Puerto RicoDiscover last-minute flight deals from London to Puerto Rico. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Puerto Rico. Data last updated 15 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 15 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 15 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 15 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 15 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 15 October 2026.

Last-minute flights from London to Puerto Rico
Discover last-minute flight deals from London to Puerto Rico. Data last updated 15 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 15 October 2026.