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

JetBlue 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 Ponce or San Juan, and flying into London Heathrow Airport, then you can expect flight times to average 12h 39m and 12h 50m, 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.

£214 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

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19:01 - 12:05

SJU

LHR

13h 04m1 stop

11:15 - 22:24

LHR

SJU

15h 09m1 stop

£393Iberia

Fri, 13 Feb - Sat, 21 Feb

14:23 - 08:35

SJU

LHR

14h 12m1 stop

11:55 - 23:34

LHR

SJU

15h 39m1 stop

£394Iberia

Fri, 13 Feb - Sat, 21 Feb

16:52 - 11:15

SJU

LHR

14h 23m1 stop

06:50 - 22:22

LHR

SJU

19h 32m2 stops

£428United Airlines

Sat, 31 Jan - Sun, 8 Feb

14:10 - 08:25

SJU

LHR

14h 15m1 stop

08:30 - 13:17

LHR

SJU

32h 47m2 stops

£430United Airlines

Fri, 13 Feb - Sat, 21 Feb

08:35 - 06:40

SJU

LHR

18h 05m2 stops

06:50 - 22:22

LHR

SJU

19h 32m2 stops

£431United Airlines

Sat, 31 Jan - Sun, 8 Feb

23:50 - 21:40

SJU

LHR

17h 50m1 stop

12:20 - 00:29

LHR

SJU

16h 09m1 stop

£436JetBlue

Wed, 18 Feb - Thu, 26 Feb

17:50 - 10:50

SJU

LHR

13h 00m1 stop

09:30 - 00:36

LHR

SJU

19h 06m2 stops

£436United Airlines

Wed, 18 Feb - Fri, 27 Feb

07:20 - 08:35

SJU

LHR

20h 15m2 stops

06:50 - 21:24

LHR

SJU

19h 34m2 stops

£439United Airlines

Wed, 22 Apr - Wed, 29 Apr

02:05 - 21:20

SJU

LHR

15h 15m1 stop

08:00 - 22:22

LHR

SJU

18h 22m2 stops

£442United Airlines

Fri, 13 Feb - Sat, 21 Feb

07:20 - 06:45

SJU

LHR

18h 25m2 stops

07:25 - 21:24

LHR

SJU

18h 59m2 stops

£443United Airlines

Wed, 15 Apr - Wed, 29 Apr

Iberia flights from Puerto Rico to London Heathrow Airport

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

Iberia

13 Feb

SJU19:01San Juan Luis Munoz Marin Intl

13h 04m

1 stop

LHR12:05London Heathrow

21 Feb

LHR11:15London Heathrow

15h 09m

1 stop

SJU22:24San Juan Luis Munoz Marin Intl

£393

Find similar

Iberia

13 Feb

SJU14:23San Juan Luis Munoz Marin Intl

14h 12m

1 stop

LHR08:35London Heathrow

21 Feb

LHR11:55London Heathrow

15h 39m

1 stop

SJU23:34San Juan Luis Munoz Marin Intl

£394

Find similar

Iberia

8 Jan

SJU11:38San Juan Luis Munoz Marin Intl

20h 02m

2 stops

LHR11:40London Heathrow

14 Jan

LHR20:50London Heathrow

31h 09m

2 stops

SJU23:59San Juan Luis Munoz Marin Intl

£1,679

Find similar

JetBlue flights from Puerto Rico to London Heathrow Airport

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

JetBlue

18 Feb

SJU23:50San Juan Luis Munoz Marin Intl

17h 50m

1 stop

LHR21:40London Heathrow

26 Feb

LHR12:20London Heathrow

16h 09m

1 stop

SJU00:29San Juan Luis Munoz Marin Intl

£436

Find similar

JetBlue

23 Jan

SJU13:40San Juan Luis Munoz Marin Intl

13h 15m

1 stop

LHR06:55London Heathrow

27 Jan

LHR12:20London Heathrow

15h 39m

1 stop

SJU23:59San Juan Luis Munoz Marin Intl

£450

Find similar

JetBlue

17 Apr

SJU23:59San Juan Luis Munoz Marin Intl

15h 46m

1 stop

LHR20:45London Heathrow

27 Apr

LHR08:15London Heathrow

15h 15m

1 stop

SJU18:30San Juan Luis Munoz Marin Intl

£507

Find similar

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

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

19:01-12:05

1 stop13h 04m

London Heathrow

Sat 21/2

11:15-22:24

1 stop15h 09m

£393

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

14:23-08:35

1 stop14h 12m

London Heathrow

Sat 21/2

11:55-23:34

1 stop15h 39m

£394

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 31/1

16:52-11:15

1 stop14h 23m

London Heathrow

Sun 8/2

06:50-22:22

2 stops19h 32m

£428

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

14:10-08:25

1 stop14h 15m

London Heathrow

Sat 21/2

08:30-13:17

2 stops32h 47m

£430

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 31/1

08:35-06:40

2 stops18h 05m

London Heathrow

Sun 8/2

06:50-22:22

2 stops19h 32m

£431

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

23:50-21:40

1 stop17h 50m

London Heathrow

Thu 26/2

12:20-00:29

1 stop16h 09m

£436

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 18/2

17:50-10:50

1 stop13h 00m

London Heathrow

Fri 27/2

09:30-00:36

2 stops19h 06m

£436

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 22/4

07:20-08:35

2 stops20h 15m

London Heathrow

Wed 29/4

06:50-21:24

2 stops19h 34m

£439

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

02:05-21:20

1 stop15h 15m

London Heathrow

Sat 21/2

08:00-22:22

2 stops18h 22m

£442

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 15/4

07:20-06:45

2 stops18h 25m

London Heathrow

Wed 29/4

07:25-21:24

2 stops18h 59m

£443

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 £467. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Puerto Rico averaging around £490.

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 £620 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 £474 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 39m
Direct flights	None

The fastest flight from Puerto Rico to London Heathrow Airport takes 12h 39m

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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Luton

Gatwick

Maidstone

Slough

Northampton

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Stratford-upon-Avon

Southend-on-Sea

Canterbury

Ipswich

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Poole

Guildford

Hayes

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Dover

Worthing

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.