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

Virgin Atlantic, Air Canada, and United Airlines are the most popular carriers 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 25m and 21h 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.

£201 Cheap Flights from Puerto Rico to London Heathrow Airport in 2026/27

Find the cheapest flights from Puerto Rico to London

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One-way

Last minute

Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

18:35 - 15:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 00m1 stop Bogotá El Dorado

22:05 - 17:10LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

24h 05m1 stop Bogotá El Dorado

£517Avianca

Wed, 14 Oct - Wed, 21 Oct

18:35 - 15:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 00m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£518Avianca

Tue, 20 Oct - Tue, 27 Oct

14:59 - 11:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 21m1 stop Atlanta Hartsfield-Jackson

11:45 - 23:44LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 59m2 stops Amsterdam Schiphol New York John F Kennedy Intl

£539KLM

Wed, 14 Oct - Wed, 21 Oct

07:00 - 08:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

21h 05m1 stop New York John F Kennedy Intl

08:55 - 23:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

18h 20m1 stop Atlanta Hartsfield-Jackson

£544Delta

Wed, 11 Nov - Tue, 24 Nov

18:55 - 11:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 45m1 stop Miami

10:45 - 20:00LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

13h 15m1 stop Madrid Barajas

£545Iberia

Mon, 16 Nov - Fri, 20 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£547Avianca

Sat, 30 Jan - Wed, 10 Feb

07:00 - 10:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

23h 30m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

10:50 - 23:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 25m1 stop Atlanta Hartsfield-Jackson

£547Delta

Wed, 11 Nov - Tue, 24 Nov

06:45 - 08:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

21h 05m1 stop New York John F Kennedy Intl

10:50 - 22:18LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

15h 28m1 stop Atlanta Hartsfield-Jackson

£548Virgin Atlantic

Fri, 23 Oct - Fri, 30 Oct

07:00 - 06:25SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

19h 25m1 stop Atlanta Hartsfield-Jackson

06:30 - 23:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£549Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£554Avianca

Sun, 15 Nov - Wed, 18 Nov

Recent last minute flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

18:45 - 21:25SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

21h 40m1 stop Newark

17:55 - 23:50LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

34h 55m2 stops Brussels Bruxelles-National Newark

£536United Airlines

Tue, 29 Sep - Thu, 1 Oct

16:55 - 16:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

18h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

09:30 - 12:34LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

32h 04m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

£561United Airlines

Fri, 2 Oct - Sun, 4 Oct

16:55 - 18:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

20h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

07:45 - 11:57LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

33h 12m1 stop Newark

£610United Airlines

Fri, 2 Oct - Sun, 4 Oct

13:16 - 08:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

14h 34m1 stop New York John F Kennedy Intl

17:45 - 12:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 18m1 stop New York John F Kennedy Intl

£632Delta

Fri, 2 Oct - Sun, 4 Oct

13:16 - 06:45SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 29m1 stop New York John F Kennedy Intl

17:45 - 12:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 18m1 stop New York John F Kennedy Intl

£633Virgin Atlantic

Fri, 2 Oct - Sun, 4 Oct

07:00 - 06:25SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

18h 25m1 stop Atlanta Hartsfield-Jackson

20:05 - 12:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 58m1 stop New York John F Kennedy Intl

£652Virgin Atlantic

Tue, 29 Sep - Thu, 1 Oct

00:59 - 15:00SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

33h 01m3 stops Philadelphia Orlando Dublin

09:50 - 01:52LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 02m2 stops Dublin Orlando

£1,123Multiple Airlines

Mon, 28 Sep - Thu, 1 Oct

00:59 - 15:00SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

33h 01m3 stops Philadelphia Orlando Dublin

09:50 - 10:13LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

29h 23m3 stops Dublin Orlando Philadelphia

£1,132Multiple Airlines

Mon, 28 Sep - Thu, 1 Oct

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British Airways flights from Puerto Rico to London Heathrow Airport

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

British Airways

23 Oct

SJU20:25San Juan Luis Munoz Marin Intl

13h 30m

1 stop

LHR14:55London Heathrow

30 Oct

LHR06:30London Heathrow

20h 27m

2 stops

SJU22:57San Juan Luis Munoz Marin Intl

£557

British Airways

5 Nov

SJU15:17San Juan Luis Munoz Marin Intl

12h 58m

1 stop

LHR08:15London Heathrow

10 Nov

LHR06:00London Heathrow

19h 38m

2 stops

SJU21:38San Juan Luis Munoz Marin Intl

£566

British Airways

30 Jan

SJU21:35San Juan Luis Munoz Marin Intl

11h 55m

1 stop

LHR13:30London Heathrow

10 Feb

LHR06:15London Heathrow

19h 15m

2 stops

SJU21:30San Juan Luis Munoz Marin Intl

£575

United Airlines flights from Puerto Rico to London Heathrow Airport

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

United Airlines

29 Sept

SJU18:45San Juan Luis Munoz Marin Intl

21h 40m

1 stop

LHR21:25London Heathrow

1 Oct

LHR17:55London Heathrow

34h 55m

2 stops

SJU23:50San Juan Luis Munoz Marin Intl

£536

United Airlines

5 Nov

SJU13:00San Juan Luis Munoz Marin Intl

15h 25m

1 stop

LHR08:25London Heathrow

9 Nov

LHR06:50London Heathrow

21h 46m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£612

United Airlines

6 Oct

SJU18:45San Juan Luis Munoz Marin Intl

32h 50m

2 stops

LHR08:35London Heathrow

13 Oct

LHR06:50London Heathrow

22h 00m

2 stops

SJU23:50San Juan Luis Munoz Marin Intl

£633

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 San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 14/10

18:35-15:35

1 stop16h 00m

London Heathrow

Wed 21/10

22:05-17:10

1 stop24h 05m

£517

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 20/10

18:35-15:35

1 stop16h 00m

London Heathrow

Tue 27/10

21:35-16:55

1 stop23h 20m

£518

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 14/10

14:59-11:20

1 stop15h 21m

London Heathrow

Wed 21/10

11:45-23:44

2 stops16h 59m

£539

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

07:00-08:05

1 stop21h 05m

London Heathrow

Tue 24/11

08:55-23:15

1 stop18h 20m

£544

Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-11:40

1 stop12h 45m

London Heathrow

Fri 20/11

10:45-20:00

1 stop13h 15m

£545

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sat 30/1

18:20-14:35

1 stop16h 15m

London Heathrow

Wed 10/2

21:35-16:55

1 stop23h 20m

£547

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/11

07:00-10:30

2 stops23h 30m

London Heathrow

Tue 24/11

10:50-23:15

1 stop16h 25m

£547

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Fri 23/10

06:45-08:50

1 stop21h 05m

London Heathrow

Fri 30/10

10:50-22:18

1 stop15h 28m

£548

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:00-06:25

1 stop19h 25m

London Heathrow

Fri 20/11

06:30-23:15

2 stops20h 45m

£549

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sun 15/11

18:20-14:35

1 stop16h 15m

London Heathrow

Wed 18/11

21:35-16:55

1 stop23h 20m

£554

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, April 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 £544. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Puerto Rico averaging around £583.

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 £699 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 £550 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

Best price found	£201
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to London Heathrow Airport from Puerto Rico in the past 72 hours is £201. The best return flight deal from Puerto Rico to London Heathrow Airport found on momondo in the last 72 hours is £517.

The fastest flight from Puerto Rico to London Heathrow Airport takes 12h 25m

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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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.