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Cheap flights from London to Puerto Rico from £304

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
10 Jul — 17 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 10 June 2026.

Sat 19/914:00
LGW
-
SJU
1 stop16h 50m
Multiple Airlines
Sat 3/1018:31
SJU
-
LGW
1 stop34h 29m
Multiple Airlines
Deal found 7/6£579
Mon 21/908:15
LHR
-
SJU
1 stop16h 17m
JetBlue
Wed 30/906:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 9/6£596
Mon 21/914:00
LGW
-
SJU
1 stop16h 50m
Multiple Airlines
Wed 30/918:42
SJU
-
LGW
1 stop34h 18m
Multiple Airlines
Deal found 9/6£607
Wed 11/1112:20
LHR
-
SJU
1 stop17h 23m
JetBlue
Tue 24/1117:15
SJU
-
LHR
1 stop12h 15m
JetBlue
Deal found 9/6£610
Mon 31/812:20
LGW
-
SJU
1 stop26h 40m
JetBlue
Sat 5/920:50
SJU
-
LGW
1 stop31h 45m
JetBlue
Deal found 9/6£616
Thu 15/1008:15
LHR
-
SJU
1 stop16h 27m
JetBlue
Sun 25/1015:01
SJU
-
LHR
1 stop14h 29m
JetBlue
Deal found 8/6£616
Mon 16/1107:25
LHR
-
SJU
1 stop17h 20m
Multiple Airlines
Mon 23/1110:29
SJU
-
LHR
1 stop16h 21m
Multiple Airlines
Deal found 8/6£621
Mon 7/914:00
LGW
-
SJU
1 stop16h 54m
Multiple Airlines
Sun 13/918:42
SJU
-
LGW
1 stop34h 18m
Multiple Airlines
Deal found 10/6£621
Tue 1/908:40
LHR
-
SJU
1 stop20h 14m
JetBlue
Mon 14/906:00
SJU
-
LHR
1 stop19h 30m
JetBlue
Deal found 6/6£625
Wed 2/912:20
LGW
-
SJU
1 stop16h 34m
Multiple Airlines
Sat 12/917:15
SJU
-
LGW
1 stop12h 35m
Multiple Airlines
Deal found 6/6£627
Fri 4/908:40
LHR
-
SJU
1 stop20h 14m
JetBlue
Sat 19/919:00
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 6/6£627
Sat 31/1007:25
LHR
-
SJU
1 stop16h 14m
JetBlue
Wed 11/1116:00
SJU
-
LHR
1 stop13h 30m
JetBlue
Deal found 5/6£629

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 10 June 2026.

Round-trip from

£577

One-way from

£304

Popular in

December

Cheapest in

September

Average price

£662
JetBlue
  • JetBlue
  • 4/11-12/11
  • 2 total stops
  • 39h 00m total
  • London to Puerto Rico
Search Deals
24/9
  • 24/9
  • 3 total stops
  • 38h 50m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 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 10 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

07:25-20:45

1 stop17h 20m

San Juan Luis Munoz Marin Intl

Tue 24/11

05:30-21:40

1 stop12h 10m

£614

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Tue 13/10

09:10-14:34

2 stops34h 24m

San Juan Luis Munoz Marin Intl

Tue 20/10

17:15-11:40

1 stop13h 25m

£643

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 1/9

08:40-23:54

1 stop20h 14m

San Juan Luis Munoz Marin Intl

Fri 11/9

13:00-09:30

1 stop15h 30m

£667

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 25/11

09:20-19:29

1 stop14h 09m

San Juan Luis Munoz Marin Intl

Fri 4/12

14:41-06:55

1 stop12h 14m

£679

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 4/9

08:15-19:50

1 stop16h 35m

San Juan Luis Munoz Marin Intl

Fri 11/9

10:30-09:30

1 stop18h 00m

£686

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 4/12

12:20-03:48

1 stop19h 28m

San Juan Luis Munoz Marin Intl

Sat 12/12

07:10-06:55

1 stop19h 45m

£690

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 14/7

08:40-22:04

1 stop18h 24m

San Juan Luis Munoz Marin Intl

Tue 28/7

22:35-20:45

1 stop17h 10m

£712

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 19/10

08:15-23:49

1 stop20h 34m

San Juan Luis Munoz Marin Intl

Fri 23/10

06:12-06:30

1 stop19h 18m

£722

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 13/7

11:55-21:45

1 stop14h 50m

San Juan Luis Munoz Marin Intl

Sat 25/7

21:55-20:45

1 stop17h 50m

£723

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 7/10

21:30-15:25

1 stop22h 55m

San Juan Luis Munoz Marin Intl

Thu 15/10

20:25-08:20

1 stop30h 55m

£730

Flights are sorted by cheapest return flights first.

Deals found on 8/6

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 £219). Flying from London to Puerto Rico in June is currently the most expensive (average of £495). 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 10 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
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
JetBlue
7.1
Good
2,980 reviews
JetBlue
7.1
Good
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
Icelandair
7.0
Good
670 reviews
JetBlue
7.1
Good
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
Iberia
7.0
Good
3,232 reviews
JetBlue
7.1
Good
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
British Airways
6.7
Okay
8,035 reviews
JetBlue
7.1
Good
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
Avianca
6.5
Okay
2,534 reviews
JetBlue
7.1
Good
2,980 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat

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 20m. 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 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, May is the cheapest month in which you can book a flight from London to Puerto Rico (average of £219). Flying from London to Puerto Rico in June is currently the most expensive (average of £495). 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

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Montego Bay flights
Heathrow to Bridgetown flights
Gatwick to Bridgetown flights
Heathrow to Kingston flights
Stansted to Bridgetown flights
London City to Bridgetown flights
London City to Montego Bay flights
Heathrow to Punta Cana flights
Gatwick to Punta Cana flights
Manchester to Bridgetown flights
London City to Kingston flights
Gatwick to Kingston flights
Stansted to Kingston flights
Stansted to Punta Cana flights
Luton to Montego Bay flights
Heathrow to Nassau flights
Heathrow to Castries flights
Heathrow to Port of Spain flights
Stansted to Montego Bay flights
Gatwick to Montego Bay flights
Gatwick to St. John's flights
Luton to Punta Cana flights
Heathrow to St. John's flights
Heathrow to Kingstown flights
London City to Punta Cana flights
Heathrow to St. George's flights
Gatwick to Castries flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Santo Domingo flights
Gatwick to Basseterre flights
Stansted to Port of Spain flights
Gatwick to Scarborough flights
Gatwick to Santo Domingo flights
Heathrow to Roseau flights
Heathrow to Scarborough flights
Heathrow to Basseterre flights
Gatwick to Port of Spain flights
Gatwick to Havana flights
Manchester to Montego Bay flights
Heathrow to Willemstad flights
Heathrow to Castries flights
Birmingham to Montego Bay flights
Gatwick to St. George's flights
London City to Castries flights
Gatwick to Luis Munoz Marin Intl flights
Stansted to Santo Domingo flights
Gatwick to Kingstown flights
Heathrow to Oranjestad flights
Gatwick to Willemstad 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£334Average£1,127FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£438Average£678FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£487Average£672FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
AviancaCheapest£539Average£597FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IberiaCheapest£824Average£1,009FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£839Average£1,007FlexibilityNo 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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