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Cheap flights from London to Puerto Rico from £360

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Puerto Rico

Enter your travel dates to find the best prices.

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 June 2026.

Thu 3/1207:25
LHR
-
SJU
1 stop15h 28m
JetBlue
Sat 12/1207:10
SJU
-
LHR
1 stop19h 45m
JetBlue
Deal found 1/6£583
Fri 4/1208:05
LHR
-
SJU
1 stop18h 04m
JetBlue
Sat 12/1220:50
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 2/6£586
Tue 1/912:20
LGW
-
SJU
1 stop16h 34m
Multiple Airlines
Mon 7/917:15
SJU
-
LGW
1 stop12h 35m
Multiple Airlines
Deal found 2/6£587
Wed 11/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Mon 23/1103:15
SJU
-
LHR
1 stop14h 25m
JetBlue
Deal found 31/5£589
Fri 13/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Sat 21/1120:45
SJU
-
LHR
1 stop30h 10m
JetBlue
Deal found 2/6£600
Wed 15/708:15
LHR
-
SJU
1 stop18h 25m
JetBlue
Fri 31/712:04
SJU
-
LHR
1 stop16h 26m
JetBlue
Deal found 31/5£606
Wed 30/908:15
LHR
-
SJU
1 stop34h 19m
JetBlue
Wed 7/1013:00
SJU
-
LHR
1 stop26h 45m
JetBlue
Deal found 3/6£616
Fri 25/911:55
LHR
-
SJU
1 stop15h 47m
JetBlue
Wed 30/913:00
SJU
-
LHR
1 stop26h 45m
JetBlue
Deal found 2/6£621
Wed 11/1112:20
LHR
-
SJU
1 stop17h 23m
Multiple Airlines
Tue 24/1114:41
SJU
-
LHR
2 stops18h 49m
Multiple Airlines
Deal found 2/6£622
Mon 31/812:20
LGW
-
SJU
1 stop26h 40m
Multiple Airlines
Sat 5/917:50
SJU
-
LGW
2 stops58h 50m
Multiple Airlines
Deal found 31/5£635
Sun 5/712:20
LGW
-
SJU
1 stop26h 50m
JetBlue
Thu 16/720:07
SJU
-
LGW
1 stop32h 28m
JetBlue
Deal found 2/6£636
Mon 6/712:20
LGW
-
SJU
1 stop33h 09m
JetBlue
Tue 14/719:59
SJU
-
LGW
1 stop32h 36m
JetBlue
Deal found 2/6£637

Find flight deals from London to Puerto Rico

Keep the following information in mind while searching for London to Puerto Rico flight deals. Data was last updated 3 June 2026.

Round-trip from

£587

One-way from

£360

Popular in

December

Cheapest in

February

Average price

£602
British Airways
  • British Airways
  • 1/9-7/9
  • 2 total stops
  • 29h 09m total
  • London to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 1/9
  • 1 total stop
  • 16h 34m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 June 2026.
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

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

12:20-01:43

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Mon 23/11

03:15-21:40

1 stop14h 25m

£607

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 11/11

09:35-14:03

2 stops32h 28m

San Juan Luis Munoz Marin Intl

Tue 24/11

06:50-09:50

2 stops23h 00m

£711

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 16/11

17:20-16:40

2 stops27h 20m

San Juan Luis Munoz Marin Intl

Sun 29/11

21:35-14:50

1 stop13h 15m

£711

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 11/11

14:25-16:40

2 stops30h 15m

San Juan Luis Munoz Marin Intl

Tue 24/11

18:10-12:05

1 stop13h 55m

£717

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 17/11

08:20-14:58

2 stops34h 38m

San Juan Luis Munoz Marin Intl

Sun 29/11

15:20-21:00

3 stops25h 40m

£723

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 23/6

08:40-21:31

1 stop17h 51m

San Juan Luis Munoz Marin Intl

Tue 30/6

19:50-20:45

1 stop19h 55m

£725

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 26/11

06:20-16:40

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Sat 5/12

21:35-13:20

1 stop11h 45m

£733

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 11/11

10:00-20:00

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Tue 24/11

21:35-16:25

1 stop14h 50m

£760

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Tue 14/7

08:15-18:37

1 stop15h 22m

Aguadilla Borinquen

Tue 21/7

19:35-20:45

1 stop20h 10m

£766

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 9/10

12:05-13:08

2 stops30h 03m

San Juan Luis Munoz Marin Intl

Mon 19/10

06:12-15:35

2 stops28h 23m

£788

Flights are sorted by cheapest return flights first.

Deals found on 30/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.
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

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

Currently, May is the cheapest month in which you can book a flight from London to Puerto Rico (average of £218). Flying from London to Puerto Rico in June is currently the most expensive (average of £492). 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

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated 3 June 2026.
Check out reviews from past customers who have flown with JetBlue,Icelandair, 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.
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.
JetBlue
7.1
Good
2,982 reviews
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.
Icelandair
7.0
Good
665 reviews
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.
Iberia
7.0
Good
3,222 reviews
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.
British Airways
6.7
Okay
8,020 reviews
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.
Avianca
6.5
Okay
2,527 reviews
JetBlue
7.1
Good
2,982 reviews
Check prices

Boarding

7.3

Overall

7.1

Crew

7.9

Entertainment

7.2

Comfort

7.5

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

FLL - MDE

The plane crew (all of them) worked as a fantastic team always smiling and professional. So.eonerful and appreciating to.see. They were definitly your A team.

Related info for your journey

Find useful and relevant information for your journey from London to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Puerto Rico?

    There are many flights that can get you from London to Puerto Rico in 17h 23m. 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 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, May is the cheapest month in which you can book a flight from London to Puerto Rico (average of £218). Flying from London to Puerto Rico in June is currently the most expensive (average of £492). 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

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.
Heathrow to Bridgetown flights
Heathrow to Montego Bay flights
Heathrow to Kingston flights
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London City to Bridgetown flights
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London City to Kingston flights
London City to Montego Bay flights
Heathrow to Castries flights
Luton to Montego Bay flights
Stansted to Montego Bay flights
Heathrow to Nassau flights
Heathrow to Port of Spain flights
Heathrow to St. George's flights
London City to Punta Cana flights
Gatwick to Castries flights
Gatwick to Santo Domingo flights
Gatwick to Montego Bay flights
Heathrow to Santo Domingo flights
Heathrow to Roseau flights
Heathrow to St. John's flights
Gatwick to St. John's flights
Gatwick to St. George's flights
Manchester to Montego Bay flights
Stansted to Santo Domingo flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Kingstown flights
Stansted to Port of Spain flights
Gatwick to Havana flights
Gatwick to Port of Spain flights
Gatwick to Luis Munoz Marin Intl flights
Manchester to Punta Cana flights
London City to Santo Domingo flights
Gatwick to Nassau flights
Heathrow to Willemstad flights
Gatwick to Willemstad flights
Stansted to Nassau flights
Stansted to Luis Munoz Marin Intl flights
Birmingham to Montego Bay flights
Heathrow to Basseterre flights
Gatwick to Basseterre flights
London City to Castries flights

Top 6 airlines flying from London to Puerto Rico

Discover the top 6 airlines that operate flights from London to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£331Average£1,120FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£435Average£673FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£483Average£667FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£535Average£593FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£818Average£1,002FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£833Average£1,000FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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