Find flights
When to book
FAQs

Cheap flights from Puerto Rico to London from £176

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LON
27 Apr — 4 May1
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 28 March 2026.

Thu 5/1114:06
SJU
-
LHR
1 stop12h 49m
Virgin Atlantic
Tue 10/1106:20
LHR
-
SJU
2 stops20h 53m
Virgin Atlantic
Deal found 28/3£464
Sun 29/317:30
SJU
-
LHR
1 stop14h 45m
Virgin Atlantic
Wed 8/409:20
LHR
-
SJU
1 stop15h 58m
Virgin Atlantic
Deal found 27/3£468
Fri 16/1017:43
SJU
-
LHR
1 stop14h 32m
Virgin Atlantic
Sat 31/1010:10
LHR
-
SJU
1 stop17h 46m
Virgin Atlantic
Deal found 27/3£495
Wed 6/508:39
PSE
-
LHR
2 stops23h 01m
Multiple Airlines
Wed 13/515:30
LHR
-
PSE
2 stops45h 19m
Multiple Airlines
Deal found 24/3£495
Tue 19/507:05
SJU
-
LHR
1 stop18h 15m
Virgin Atlantic
Thu 28/511:15
LHR
-
SJU
1 stop14h 15m
Virgin Atlantic
Deal found 26/3£521
Thu 8/1013:06
SJU
-
LHR
1 stop14h 44m
Virgin Atlantic
Sat 24/1015:50
LHR
-
SJU
1 stop25h 06m
Virgin Atlantic
Deal found 26/3£523
Sun 10/508:39
PSE
-
LHR
2 stops29h 16m
Multiple Airlines
Sun 17/506:20
LHR
-
PSE
2 stops30h 29m
Multiple Airlines
Deal found 26/3£524
Sun 22/1118:35
SJU
-
LHR
1 stop31h 50m
Virgin Atlantic
Mon 30/1115:50
LHR
-
SJU
1 stop35h 30m
Virgin Atlantic
Deal found 28/3£526
Wed 1/413:17
SJU
-
LHR
1 stop14h 33m
KLM
Sun 5/411:15
LHR
-
SJU
1 stop14h 03m
KLM
Deal found 28/3£534
Thu 23/417:42
SJU
-
LHR
1 stop21h 28m
Delta
Sat 9/514:45
LHR
-
SJU
2 stops26h 15m
Delta
Deal found 27/3£536
Sun 11/1007:00
SJU
-
LCY
2 stops20h 50m
KLM
Sat 17/1010:00
LCY
-
SJU
2 stops18h 56m
KLM
Deal found 28/3£567
Fri 24/417:25
SJU
-
LGW
1 stop12h 25m
Iberia
Fri 1/511:30
LGW
-
SJU
1 stop12h 35m
Iberia
Deal found 25/3£616

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 28 March 2026.

Round-trip from

£468

One-way from

£176

Popular in

June

Cheapest in

February

Average price

£528
Virgin Atlantic
  • Virgin Atlantic
  • 22/4-29/4
  • 2 total stops
  • 29h 32m total
  • Puerto Rico to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 22/4
  • 1 total stop
  • 12h 50m total
  • Puerto Rico to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 28 March 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

PonceLondon

PSE - LHR

PSELHR

Ponce Mercedita

Wed 6/5

08:39-12:40

2 stops23h 01m

London Heathrow

Wed 13/5

15:30-07:49

2 stops45h 19m

£495

PonceLondon

PSE - LHR

PSELHR

Ponce Mercedita

Sun 10/5

08:39-18:55

2 stops29h 16m

London Heathrow

Sun 17/5

06:20-07:49

2 stops30h 29m

£524

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 12/8

07:00-06:20

1 stop18h 20m

London Heathrow

Mon 17/8

20:05-16:35

2 stops25h 30m

£567

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Fri 22/5

18:00-09:30

2 stops58h 30m

London City

Sun 31/5

13:45-16:29

2 stops55h 44m

£667

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 11/9

14:05-09:00

1 stop13h 55m

London Heathrow

Sun 20/9

12:15-11:10

1 stop27h 55m

£677

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 11/9

17:41-14:35

2 stops15h 54m

London Heathrow

Sun 20/9

18:35-16:31

2 stops26h 56m

£679

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 12/5

07:20-06:55

1 stop18h 35m

London Heathrow

Tue 19/5

08:00-20:34

1 stop17h 34m

£685

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 24/4

21:00-20:45

1 stop18h 45m

London Heathrow

Tue 28/4

11:55-21:00

1 stop14h 05m

£707

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 23/4

01:00-20:40

1 stop14h 40m

London Heathrow

Tue 28/4

09:30-21:24

2 stops16h 54m

£708

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 19/5

14:00-10:40

1 stop15h 40m

London Heathrow

Thu 28/5

18:35-13:38

2 stops24h 03m

£723

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 57 resultsSorted by cheapest first
1
2
3
...
6

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

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

Currently, September is the cheapest month in which you can book a flight from Puerto Rico to London (average of £76). Flying from Puerto Rico to London in June is currently the most expensive (average of £693). 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 Delta, Iberia, and United Airlines fly from Puerto Rico to London in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 44h 55m. The distance from Puerto Rico to London is about 4201 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, September is the cheapest month in which you can book a flight from Puerto Rico to London (average of £76). Flying from Puerto Rico to London in June is currently the most expensive (average of £693). 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
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Bedford
Chelmsford
Bishop's Stortford

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.

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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£577Average£687FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.