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

JetBlue and TAP AIR PORTUGAL 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 50m and 39h 25m, 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.

£234 Cheap Flights from Puerto Rico to London Heathrow Airport in 2026

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Find the cheapest flights from Puerto Rico to London

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Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

17:34 - 13:15

SJU

LHR

14h 41m

1 stop

12:50 - 23:35

LHR

SJU

15h 45m

1 stop

£559Virgin Atlantic

Tue, 5 May - Wed, 13 May

17:34 - 13:15

SJU

LHR

14h 41m

1 stop

11:15 - 22:17

LHR

SJU

16h 02m

1 stop

£561Virgin Atlantic

Tue, 5 May - Wed, 13 May

17:42 - 14:35

SJU

LHR

15h 53m

1 stop

11:20 - 23:59

LHR

SJU

17h 39m

1 stop

£569Virgin Atlantic

Wed, 22 Apr - Wed, 29 Apr

07:15 - 06:20

SJU

LHR

18h 05m

1 stop

12:50 - 23:59

LHR

SJU

16h 09m

1 stop

£570Virgin Atlantic

Wed, 22 Apr - Wed, 29 Apr

07:15 - 06:20

SJU

LHR

18h 05m

1 stop

11:20 - 23:59

LHR

SJU

17h 39m

1 stop

£570Virgin Atlantic

Wed, 22 Apr - Wed, 29 Apr

19:58 - 20:45

SJU

LHR

19h 47m

1 stop

11:55 - 21:00

LHR

SJU

14h 05m

1 stop

£573JetBlue

Tue, 21 Apr - Tue, 28 Apr

05:01 - 06:30

SJU

LHR

20h 29m

1 stop

11:55 - 21:32

LHR

SJU

14h 37m

1 stop

£581JetBlue

Wed, 1 Apr - Sat, 11 Apr

07:25 - 09:30

SJU

LHR

21h 05m

1 stop

11:55 - 02:07

LHR

SJU

19h 12m

1 stop

£587JetBlue

Thu, 23 Apr - Thu, 30 Apr

15:00 - 09:30

SJU

LHR

13h 30m

1 stop

08:15 - 00:07

LHR

SJU

20h 52m

1 stop

£588JetBlue

Thu, 23 Apr - Sat, 9 May

11:50 - 06:30

SJU

LHR

13h 40m

1 stop

11:55 - 01:08

LHR

SJU

18h 13m

1 stop

£591JetBlue

Wed, 1 Apr - Tue, 7 Apr

JetBlue flights from Puerto Rico to London Heathrow Airport

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

JetBlue

21 Apr

SJU19:58San Juan Luis Munoz Marin Intl

19h 47m

1 stop

LHR20:45London Heathrow

28 Apr

LHR11:55London Heathrow

14h 05m

1 stop

SJU21:00San Juan Luis Munoz Marin Intl

£573

JetBlue

12 Mar

SJU05:01San Juan Luis Munoz Marin Intl

12h 39m

1 stop

LHR21:40London Heathrow

18 Mar

LHR12:20London Heathrow

18h 07m

1 stop

SJU02:27San Juan Luis Munoz Marin Intl

£579

JetBlue

10 Mar

SJU04:15San Juan Luis Munoz Marin Intl

13h 25m

1 stop

LHR21:40London Heathrow

17 Mar

LHR12:20London Heathrow

17h 05m

1 stop

SJU01:25San Juan Luis Munoz Marin Intl

£580

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

5 May

SJU17:34San Juan Luis Munoz Marin Intl

14h 41m

1 stop

LHR13:15London Heathrow

13 May

LHR12:50London Heathrow

15h 45m

1 stop

SJU23:35San Juan Luis Munoz Marin Intl

£559

Virgin Atlantic

5 May

SJU17:34San Juan Luis Munoz Marin Intl

14h 41m

1 stop

LHR13:15London Heathrow

13 May

LHR11:15London Heathrow

16h 02m

1 stop

SJU22:17San Juan Luis Munoz Marin Intl

£561

Virgin Atlantic

22 Apr

SJU17:42San Juan Luis Munoz Marin Intl

15h 53m

1 stop

LHR14:35London Heathrow

29 Apr

LHR11:20London Heathrow

17h 39m

1 stop

SJU23:59San Juan Luis Munoz Marin Intl

£569

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

Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 5/5

17:34-13:15

1 stop14h 41m

London Heathrow

Wed 13/5

12:50-23:35

1 stop15h 45m

£559

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 5/5

17:34-13:15

1 stop14h 41m

London Heathrow

Wed 13/5

11:15-22:17

1 stop16h 02m

£561

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 22/4

17:42-14:35

1 stop15h 53m

London Heathrow

Wed 29/4

11:20-23:59

1 stop17h 39m

£569

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 22/4

07:15-06:20

1 stop18h 05m

London Heathrow

Wed 29/4

12:50-23:59

1 stop16h 09m

£570

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 22/4

07:15-06:20

1 stop18h 05m

London Heathrow

Wed 29/4

11:20-23:59

1 stop17h 39m

£570

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 21/4

19:58-20:45

1 stop19h 47m

London Heathrow

Tue 28/4

11:55-21:00

1 stop14h 05m

£573

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 1/4

05:01-06:30

1 stop20h 29m

London Heathrow

Sat 11/4

11:55-21:32

1 stop14h 37m

£581

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 23/4

07:25-09:30

1 stop21h 05m

London Heathrow

Thu 30/4

11:55-02:07

1 stop19h 12m

£587

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 23/4

15:00-09:30

1 stop13h 30m

London Heathrow

Sat 9/5

08:15-00:07

1 stop20h 52m

£588

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 1/4

11:50-06:30

1 stop13h 40m

London Heathrow

Tue 7/4

11:55-01:08

1 stop18h 13m

£591

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 £463. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Puerto Rico averaging around £513.

How far in advance should I book a flight 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 £623 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 £513 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 01m
Direct flights	None

The fastest flight from Puerto Rico to London Heathrow Airport takes 12h 01m

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

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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Folkestone

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.