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Cheap flights from Puerto Rico to London Heathrow Airport from £198

SJU — LHR
19 Nov — 26 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Puerto Rico to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to Heathrow

Wed 18/1114:10 -
1 stop15h 15m
Wed 25/1106:20 -
2 stops20h 55m
Deal found 16/10£535
Tue 20/1006:45 -
1 stop19h 00m
Sun 1/1110:50 -
1 stop16h 28m
Deal found 17/10£549
Mon 16/1116:20 -
1 stop15h 20m
Fri 20/1106:20 -
2 stops20h 55m
Deal found 18/10£551
Thu 26/1116:20 -
1 stop15h 20m
Thu 3/1210:00 -
2 stops17h 13m
Deal found 19/10£553
Thu 26/1118:10 -
1 stop12h 25m
Thu 3/1211:15 -
1 stop14h 19m
Deal found 15/10£559
Sat 24/1006:20 -
1 stop20h 35m
Fri 6/1109:20 -
1 stop19h 53m
Deal found 18/10£571
Mon 30/1121:35 -
1 stop11h 55m
Mon 7/1206:15 -
1 stop17h 45m
Deal found 16/10£581
Sun 8/1107:00 -
1 stop19h 55m
Sun 15/1107:45 -
1 stop13h 55m
Deal found 15/10£583
Wed 11/1107:00 -
1 stop19h 55m
Tue 24/1109:20 -
1 stop14h 15m
Deal found 19/10£584

Find flight deals from Puerto Rico to Heathrow

Round-trip from

£535

One-way from

£198

Popular in

June

Cheapest in

February

Average price

£660
Virgin Atlantic
  • Virgin Atlantic
  • 18/11-25/11
  • 3 total stops
  • 36h 10m total
  • Puerto Rico to London
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JetBlue
  • JetBlue
  • 22/11-31/12
  • 1 total stop
  • 20h 45m total
  • Puerto Rico to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£123 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Puerto Rico to London Heathrow Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 17/11

07:00-06:55

1 stop19h 55m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£207

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

11:20-09:30

1 stop18h 10m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£207

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sun 22/11

19:35-21:20

1 stop21h 45m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£227
Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sun 15/11

02:05-21:20

1 stop15h 15m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£230

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sat 5/12

02:05-10:50

2 stops28h 45m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£230

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 3/11

08:05-06:40

1 stop18h 35m

London Heathrow

Wed 31/12

00:00-19:00

Nonstop0h 00m

£230

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 14/1

15:14-08:15

1 stop13h 01m

London Heathrow

Sun 24/1

07:30-23:59

2 stops20h 29m

£601

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 5/11

13:00-08:25

1 stop15h 25m

London Heathrow

Mon 9/11

06:50-00:36

2 stops21h 46m

£607

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

14:10-10:30

1 stop16h 20m

London Heathrow

Fri 20/11

13:05-23:54

1 stop14h 49m

£622

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sat 5/12

08:05-06:20

2 stops18h 15m

London Heathrow

Sat 12/12

15:00-13:30

1 stop26h 30m

£624

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Puerto Rico to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Puerto Rico with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to London Heathrow Airport

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

Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £582). Flying from Puerto Rico to London Heathrow Airport in June is currently the most expensive (average of £849). 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 Puerto Rico to London Heathrow Airport?

The price you pay for your flight from Puerto Rico to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

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

    There are many flights that can get you from Puerto Rico to London Heathrow Airport in 13h 01m. Fly via British Airways, United Airlines, or KLM to get the fastest option. There are 4179 mi between Puerto Rico and London Heathrow Airport. This flight may include one or multiple stops.

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

    The most popular flight routes from Puerto Rico to London Heathrow Airport are San Juan Luis Munoz Marin Intl - London Heathrow, Culebra - London Heathrow and Ponce Mercedita - London Heathrow.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Puerto Rico to Heathrow 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 Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £582). Flying from Puerto Rico to London Heathrow Airport in June is currently the most expensive (average of £849). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Cheapflights helps you search for flights from Puerto Rico to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Puerto Rico to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Puerto Rico to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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