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Cheap flights from London to Puerto Rico from £287

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
28 Aug — 4 Sep1
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 29 July 2026.

Wed 18/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Sat 21/1102:05
SJU
-
LHR
1 stop15h 10m
JetBlue
Deal found 24/7£492
Tue 15/911:55
LHR
-
BQN
1 stop15h 50m
Multiple Airlines
Mon 21/900:15
BQN
-
LHR
2 stops25h 15m
Multiple Airlines
Deal found 29/7£545
Fri 11/914:00
LGW
-
SJU
1 stop16h 50m
Multiple Airlines
Sun 13/918:31
SJU
-
LGW
1 stop34h 29m
Multiple Airlines
Deal found 24/7£550
Sat 5/914:00
LGW
-
SJU
1 stop17h 15m
Multiple Airlines
Tue 15/918:42
SJU
-
LGW
1 stop34h 18m
Multiple Airlines
Deal found 25/7£557
Tue 15/908:15
LHR
-
BQN
1 stop19h 30m
JetBlue
Tue 22/906:00
BQN
-
LHR
1 stop22h 30m
JetBlue
Deal found 29/7£557
Tue 22/911:55
LHR
-
SJU
1 stop30h 44m
JetBlue
Wed 30/906:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 25/7£557
Tue 1/908:15
LHR
-
SJU
1 stop19h 44m
JetBlue
Tue 8/907:25
SJU
-
LHR
1 stop21h 05m
JetBlue
Deal found 27/7£558
Tue 1/914:00
LGW
-
SJU
1 stop31h 49m
Multiple Airlines
Tue 8/920:43
SJU
-
LGW
1 stop32h 17m
Multiple Airlines
Deal found 27/7£568
Fri 11/908:15
LHR
-
SJU
1 stop16h 19m
JetBlue
Sun 13/906:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 24/7£581
Sat 19/914:00
LGW
-
SJU
1 stop16h 52m
Multiple Airlines
Sat 26/921:50
SJU
-
LGW
1 stop31h 10m
Multiple Airlines
Deal found 29/7£584
Fri 4/1209:20
LHR
-
SJU
1 stop14h 07m
JetBlue
Sun 13/1217:18
SJU
-
LHR
1 stop33h 37m
JetBlue
Deal found 27/7£585
Mon 2/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Mon 16/1107:00
SJU
-
LHR
1 stop19h 55m
JetBlue
Deal found 26/7£586

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 29 July 2026.

Round-trip from

£492

One-way from

£287

Popular in

December

Cheapest in

February

Average price

£912
JetBlue
  • JetBlue
  • 18/11-21/11
  • 2 total stops
  • 32h 30m total
  • London to Puerto Rico
Search Deals
16/9
  • 16/9
  • 1 total stop
  • 32h 52m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 29 July 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

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Tue 15/9

11:55-22:45

1 stop15h 50m

Aguadilla Borinquen

Mon 21/9

00:15-06:30

2 stops25h 15m

£545

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 11/9

14:00-01:50

1 stop16h 50m

San Juan Luis Munoz Marin Intl

Sun 13/9

18:31-10:00

1 stop34h 29m

£550

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 8/9

08:15-21:39

1 stop18h 24m

San Juan Luis Munoz Marin Intl

Tue 15/9

13:00-09:30

1 stop15h 30m

£606

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 7/9

08:15-21:04

1 stop17h 49m

San Juan Luis Munoz Marin Intl

Mon 14/9

10:30-09:30

1 stop18h 00m

£607

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 7/1

12:20-23:59

1 stop15h 39m

San Juan Luis Munoz Marin Intl

Thu 21/1

14:00-06:55

1 stop12h 55m

£616

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 11/9

08:15-19:34

1 stop16h 19m

San Juan Luis Munoz Marin Intl

Fri 18/9

06:00-06:30

1 stop19h 30m

£646

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 5/9

11:55-23:32

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Tue 15/9

13:00-09:30

1 stop15h 30m

£654
Fastest return journey

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 25/11

09:20-19:35

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Fri 4/12

14:44-06:55

1 stop12h 11m

£683

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 7/9

14:00-11:06

1 stop26h 06m

San Juan Luis Munoz Marin Intl

Mon 14/9

06:05-10:00

1 stop22h 55m

£686

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Mon 7/9

05:55-15:25

1 stop14h 30m

San Juan Luis Munoz Marin Intl

Mon 14/9

17:15-12:05

1 stop13h 50m

£689

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from London to Puerto Rico (average of £548). Flying from London to Puerto Rico in December is currently the most expensive (average of £959). 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 29 July 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
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free
JetBlue
7.1
Good
3,023 reviews
JetBlue
7.1
Good
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free
Icelandair
7.0
Good
716 reviews
JetBlue
7.1
Good
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free
Iberia
7.0
Good
3,259 reviews
JetBlue
7.1
Good
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free
British Airways
6.7
Okay
8,131 reviews
JetBlue
7.1
Good
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free
Avianca
6.5
Okay
2,522 reviews
JetBlue
7.1
Good
3,023 reviews
Check prices

Overall

7.1

Comfort

7.5

Entertainment

7.2

Boarding

7.3

Crew

7.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Rashesh,Jul 2026

FLL - BDL

The entertainment is great. They announced that they charge for food and drinks but we're giving out for free

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 18h 24m. 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 £548). Flying from London to Puerto Rico in December is currently the most expensive (average of £959). 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
Gatwick to Bridgetown flights
Heathrow to Kingston flights
Stansted to Bridgetown flights
Heathrow to Punta Cana flights
London City to Montego Bay flights
Stansted to Montego Bay flights
Gatwick to Punta Cana flights
Manchester to Bridgetown flights
London City to Bridgetown flights
Heathrow to Nassau flights
Gatwick to Kingston flights
Heathrow to Castries flights
Gatwick to Montego Bay flights
Stansted to Punta Cana flights
London City to Kingston flights
Heathrow to St. John's flights
Gatwick to Castries flights
London City to Punta Cana flights
Heathrow to St. George's flights
Stansted to Kingston flights
Gatwick to St. John's flights
Luton to Punta Cana flights
Heathrow to Port of Spain flights
Heathrow to Kingstown flights
Luton to Montego Bay flights
Heathrow to Santo Domingo flights
London City to Castries flights
Heathrow to Castries flights
Gatwick to Port of Spain flights
Gatwick to Santo Domingo flights
Gatwick to Castries flights
Stansted to Santo Domingo flights
Gatwick to St. George's flights
Heathrow to Luis Munoz Marin Intl flights
Manchester to Montego Bay flights
Stansted to Port of Spain flights
Gatwick to Nassau flights
Heathrow to Willemstad flights
Heathrow to George Town flights
Gatwick to Willemstad flights
Gatwick to Havana flights
London City to Santo Domingo flights
Gatwick to Luis Munoz Marin Intl flights
Gatwick to Kingstown flights
Stansted to Nassau flights
London City to Luis Munoz Marin Intl flights

Top 5 airlines flying from London to Puerto Rico

Discover the top 5 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 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£336Average£1,153FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£440Average£752FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£498Average£769FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£780Average£1,179FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£853Average£1,030FlexibilityNo 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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