What is the cheapest airline that flies from Puerto Rico to London Heathrow?

United Airlines is the most popular carrier operating from Puerto Rico to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Puerto Rico, such as San Juan or Ponce, and flying into London Heathrow Airport, then you can expect flight times to average 12h 24m and 26h 14m, respectively.

When did momondo last update prices for flights from Puerto Rico to London Heathrow Airport?

Prices for flights from Puerto Rico to London Heathrow Airport were last updated today.

How old do you have to be to fly from Puerto Rico to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£203 Cheap Flights from Puerto Rico to London Heathrow Airport in 2026

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Find the cheapest flights from Puerto Rico to London

Return

One-way

Last minute

Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

07:00 - 09:00

SJU

LHR

22h 00m

1 stop

12:30 - 23:13

LHR

SJU

14h 43m

1 stop

£321Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

15:35 - 11:40

SJU

LHR

16h 05m

1 stop

08:55 - 23:13

LHR

SJU

18h 18m

1 stop

£376Virgin Atlantic

Sat, 21 Nov - Mon, 30 Nov

07:35 - 06:45

SJU

LHR

18h 10m

1 stop

18:35 - 16:38

LHR

SJU

27h 03m

1 stop

£501Virgin Atlantic

Fri, 17 Jul - Tue, 21 Jul

15:46 - 07:40

SJU

LHR

35h 54m

1 stop

06:50 - 11:50

LHR

SJU

33h 00m

2 stops

£523United Airlines

Tue, 10 Nov - Fri, 13 Nov

15:46 - 07:40

SJU

LHR

35h 54m

1 stop

06:50 - 11:50

LHR

SJU

33h 00m

2 stops

£524United Airlines

Tue, 10 Nov - Fri, 13 Nov

18:42 - 12:05

SJU

LHR

13h 23m

1 stop

06:15 - 16:40

LHR

SJU

14h 25m

1 stop

£538Iberia

Mon, 16 Nov - Thu, 26 Nov

14:05 - 06:20

SJU

LHR

12h 15m

1 stop

19:20 - 23:13

LHR

SJU

31h 53m

2 stops

£551Virgin Atlantic

Mon, 16 Nov - Thu, 26 Nov

07:15 - 06:20

SJU

LHR

19h 05m

1 stop

12:30 - 23:13

LHR

SJU

14h 43m

1 stop

£556Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

07:15 - 06:20

SJU

LHR

19h 05m

1 stop

12:30 - 23:13

LHR

SJU

14h 43m

1 stop

£576Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

07:15 - 06:20

SJU

LHR

19h 05m

1 stop

12:30 - 23:13

LHR

SJU

14h 43m

1 stop

£579Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

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Virgin Atlantic flights from Puerto Rico to London Heathrow Airport

Our best Virgin Atlantic deals on Puerto Rico to London Heathrow Airport flight tickets

Virgin Atlantic

16 Nov

SJU07:00San Juan Luis Munoz Marin Intl

22h 00m

1 stop

LHR09:00London Heathrow

20 Nov

LHR12:30London Heathrow

14h 43m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£321

Virgin Atlantic

21 Nov

SJU15:35San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR11:40London Heathrow

30 Nov

LHR08:55London Heathrow

18h 18m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£376

Virgin Atlantic

17 Jul

SJU07:35San Juan Luis Munoz Marin Intl

18h 10m

1 stop

LHR06:45London Heathrow

21 Jul

LHR18:35London Heathrow

27h 03m

1 stop

SJU16:38San Juan Luis Munoz Marin Intl

£501

Iberia flights from Puerto Rico to London Heathrow Airport

Our best Iberia deals on Puerto Rico to London Heathrow Airport flight tickets

Iberia

16 Nov

SJU18:42San Juan Luis Munoz Marin Intl

13h 23m

1 stop

LHR12:05London Heathrow

26 Nov

LHR06:15London Heathrow

14h 25m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

£538

Iberia

11 Nov

SJU16:37San Juan Luis Munoz Marin Intl

15h 28m

1 stop

LHR12:05London Heathrow

24 Nov

LHR07:30London Heathrow

13h 10m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

£609

Iberia

11 Nov

SJU21:35San Juan Luis Munoz Marin Intl

15h 40m

1 stop

LHR17:15London Heathrow

24 Nov

LHR07:30London Heathrow

13h 10m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

£611

momondo Fare Finder

Use the filters below to find and compare flights from Puerto Rico to London Heathrow Airport 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

Mon 16/11

07:00-09:00

1 stop22h 00m

London Heathrow

Fri 20/11

12:30-23:13

1 stop14h 43m

£321

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 21/11

15:35-11:40

1 stop16h 05m

London Heathrow

Mon 30/11

08:55-23:13

1 stop18h 18m

£376

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 17/7

07:35-06:45

1 stop18h 10m

London Heathrow

Tue 21/7

18:35-16:38

1 stop27h 03m

£501

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 10/11

15:46-07:40

1 stop35h 54m

London Heathrow

Fri 13/11

06:50-11:50

2 stops33h 00m

£523

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 10/11

15:46-07:40

1 stop35h 54m

London Heathrow

Fri 13/11

06:50-11:50

2 stops33h 00m

£524

Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:42-12:05

1 stop13h 23m

London Heathrow

Thu 26/11

06:15-16:40

1 stop14h 25m

£538

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

14:05-06:20

1 stop12h 15m

London Heathrow

Thu 26/11

19:20-23:13

2 stops31h 53m

£551

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:15-06:20

1 stop19h 05m

London Heathrow

Fri 20/11

12:30-23:13

1 stop14h 43m

£556

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:15-06:20

1 stop19h 05m

London Heathrow

Fri 20/11

12:30-23:13

1 stop14h 43m

£576

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:15-06:20

1 stop19h 05m

London Heathrow

Fri 20/11

12:30-23:13

1 stop14h 43m

£579

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from Puerto Rico to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £76. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Puerto Rico averaging around £76.

How far in advance should I book a flight from Puerto Rico to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £660 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Puerto Rico for as low as £521 on momondo.

Cheap Puerto Rico to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to London Heathrow Airport

Fastest flight time	12h 24m
Direct flights	None

The fastest flight from Puerto Rico to London Heathrow Airport takes 12h 24m

There are no direct flights from Puerto Rico to London Heathrow Airport. There are no popular flight routes from Puerto Rico to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Puerto Rico to London Heathrow Airport

When did momondo last update prices for flights from Puerto Rico to London Heathrow Airport?
Prices for flights from Puerto Rico to London Heathrow Airport were last updated today.
How old do you have to be to fly from Puerto Rico to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Chichester

Hastings

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to London?

It is quick and easy to find Puerto Rico to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Puerto Rico to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to London?

momondo helps you find the best flight between Puerto Rico and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Puerto Rico to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Puerto Rico and alert you when they change.