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Cheap flights from Puerto Rico to London from £198

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to London
Explore the most affordable flight options available from Puerto Rico to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Tue 29/1203:45
SJU
-
LHR
1 stop22h 35m
Virgin Atlantic
Fri 8/110:45
LHR
-
SJU
1 stop17h 05m
Virgin Atlantic
Deal found 4/5£545
Thu 26/1107:00
SJU
-
LHR
1 stop19h 25m
Virgin Atlantic
Thu 3/1206:20
LHR
-
SJU
2 stops21h 00m
Virgin Atlantic
Deal found 6/5£562
Sun 3/513:25
SJU
-
LHR
1 stop15h 55m
Virgin Atlantic
Sat 9/506:15
LHR
-
SJU
2 stops19h 15m
Virgin Atlantic
Deal found 2/5£593
Tue 17/1114:05
SJU
-
LHR
1 stop12h 15m
Virgin Atlantic
Sat 28/1110:10
LHR
-
SJU
1 stop17h 45m
Virgin Atlantic
Deal found 5/5£594
Sun 9/815:28
SJU
-
LHR
1 stop12h 57m
Iberia
Wed 19/810:50
LHR
-
SJU
1 stop13h 00m
Iberia
Deal found 5/5£596
Wed 12/815:47
SJU
-
LHR
1 stop16h 03m
American Airlines
Wed 26/811:30
LHR
-
SJU
1 stop12h 20m
American Airlines
Deal found 5/5£601
Thu 26/1118:10
SJU
-
LGW
1 stop12h 40m
Iberia
Thu 3/1211:45
LGW
-
SJU
1 stop12h 15m
Iberia
Deal found 4/5£652
Sun 7/620:35
SJU
-
LGW
1 stop18h 25m
Iberia
Tue 16/620:40
LGW
-
SJU
1 stop27h 10m
Iberia
Deal found 5/5£684
Tue 5/520:40
SJU
-
LGW
1 stop18h 20m
Iberia
Sat 6/611:30
LGW
-
SJU
1 stop12h 35m
Iberia
Deal found 4/5£685
Fri 14/816:55
SJU
-
LGW
1 stop11h 40m
JetBlue
Fri 28/812:20
LGW
-
SJU
1 stop18h 35m
JetBlue
Deal found 3/5£686
Sun 7/616:00
SJU
-
LGW
3 stops34h 55m
Multiple Airlines
Tue 16/612:40
LGW
-
SJU
3 stops30h 54m
Multiple Airlines
Deal found 5/5£709
Fri 14/816:55
SJU
-
LGW
1 stop11h 40m
JetBlue
Thu 20/812:20
LGW
-
SJU
1 stop18h 35m
JetBlue
Deal found 4/5£712

Find flight deals from Puerto Rico to London

Keep the following information in mind while searching for Puerto Rico to London flight deals. Data was last updated 7 May 2026.

Round-trip from

£596

One-way from

£198

Popular in

June

Cheapest in

February

Average price

£642
Iberia
  • Iberia
  • 9/8-19/8
  • 2 total stops
  • 25h 57m total
  • Puerto Rico to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 5/10
  • 1 total stop
  • 17h 33m total
  • Puerto Rico to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Puerto Rico to London 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 7 May 2026.
Use the filters below to find and compare flights from Puerto Rico to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 9/9

13:35-08:50

1 stop14h 15m

London Heathrow

Wed 23/9

11:20-23:44

1 stop17h 24m

£628

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 14/8

10:33-06:55

1 stop15h 22m

London Heathrow

Fri 28/8

10:50-18:50

1 stop13h 00m

£634

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 9/9

07:00-07:45

1 stop19h 45m

London Heathrow

Sun 20/9

06:50-23:50

2 stops22h 00m

£639
Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 24/9

12:05-06:55

1 stop13h 50m

London Heathrow

Mon 28/9

07:50-15:25

1 stop12h 35m

£666

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 11/9

14:20-11:35

1 stop16h 15m

London Heathrow

Sun 20/9

06:50-23:50

2 stops22h 00m

£672

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Fri 14/8

16:55-09:35

1 stop11h 40m

London Gatwick

Fri 28/8

12:20-01:55

1 stop18h 35m

£686

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 25/9

13:32-07:15

1 stop12h 43m

London Heathrow

Sun 18/10

18:35-16:33

2 stops26h 58m

£696

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 21/7

06:00-07:10

2 stops20h 10m

London Heathrow

Wed 5/8

08:20-22:29

2 stops19h 09m

£747

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 4/6

13:25-07:15

1 stop12h 50m

London Heathrow

Fri 12/6

07:30-21:24

2 stops18h 54m

£766

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Thu 24/9

20:25-15:15

1 stop13h 50m

London City

Mon 28/9

09:35-18:50

1 stop14h 15m

£780

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 58 resultsSorted by cheapest first
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Best time to book a flight from Puerto Rico to London

Have a flexible travel schedule? Discover the best time to fly to London from Puerto Rico 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 Puerto Rico to London

How far ahead should I book a flight from Puerto Rico to London?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London (average of £74). Flying from Puerto Rico to London in June is currently the most expensive (average of £601). 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.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to London. 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 Puerto Rico to London?

    Airlines like British Airways, United Airlines, and JetBlue fly from Puerto Rico to London in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 4h 35m. The distance from Puerto Rico to London is about 4188 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Puerto Rico to London?

    When deciding which route to take from Puerto Rico to London consider San Juan Luis Munoz Marin Intl - London Heathrow, San Juan Luis Munoz Marin Intl - London Gatwick or San Juan Luis Munoz Marin Intl - London City as they are the most popular.

  • Can I find deals for flights from Puerto Rico to London that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to London.

  • Can I find deals for business class flights from Puerto Rico to London?

    Yes. Cheapflights offers flight deals from Puerto Rico to London 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 Puerto Rico to London?

    Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London (average of £74). Flying from Puerto Rico to London in June is currently the most expensive (average of £601). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Puerto Rico to London

Discover the top airline that operate flights from Puerto Rico to London. 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£565Average£672FlexibilityNo cancel feeOn-time62%
Search JetBlue 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 Puerto Rico to London?

Deals for Puerto Rico to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Puerto Rico to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Puerto Rico.

Can Cheapflights find flights from Puerto Rico to London with no change fees?

Certainly. Search results for flights to London from Puerto Rico shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Puerto Rico to London become cheaper?

Not ready to book yet? You can track prices for flights from Puerto Rico to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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