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

JetBlue, Avianca, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to Puerto Rico

Which airlines fly to Puerto Rico?

JetBlue, Icelandair and Iberia are the top three most popular airlines that fly to Puerto Rico from London Heathrow Airport according to our data. JetBlue is the first choice among our users, with 66% of people opting to fly with this airline when travelling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London Heathrow Airport to Puerto Rico are updated daily.

How many operators does momondo search for flights from London Heathrow Airport to Puerto Rico?

As of April 2026, there are 7 operators available to choose from for flights from London Heathrow Airport to Puerto Rico.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£366 Cheap Flights from London Heathrow Airport to Puerto Rico in 2026

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Find the cheapest flights from London Heathrow Airport to Puerto Rico

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 23:58

LHR

SJU

20h 18m

1 stop

06:00 - 09:30

SJU

LHR

22h 30m

1 stop

£577JetBlue

Fri, 18 Sep - Sun, 27 Sep

08:15 - 19:32

LHR

SJU

16h 17m

1 stop

06:12 - 06:30

SJU

LHR

19h 18m

1 stop

£581JetBlue

Wed, 7 Oct - Wed, 21 Oct

08:15 - 19:32

LHR

SJU

16h 17m

1 stop

19:00 - 20:45

SJU

LHR

20h 45m

1 stop

£605JetBlue

Wed, 16 Sep - Wed, 23 Sep

08:40 - 02:41

LHR

SJU

23h 01m

1 stop

17:54 - 20:45

SJU

LHR

21h 51m

1 stop

£620JetBlue

Thu, 7 May - Sun, 10 May

11:55 - 00:10

LHR

SJU

17h 15m

1 stop

12:00 - 20:45

SJU

LHR

27h 45m

1 stop

£637JetBlue

Fri, 8 May - Mon, 11 May

22:05 - 17:10

LHR

SJU

24h 05m

1 stop

12:46 - 06:25

SJU

LHR

13h 39m

1 stop

£659Multiple Airlines

Thu, 15 Oct - Sun, 25 Oct

22:05 - 11:25

LHR

SJU

18h 20m

1 stop

06:51 - 07:50

SJU

LHR

19h 59m

1 stop

£669Multiple Airlines

Wed, 26 Aug - Sun, 6 Sep

09:30 - 23:09

LHR

BQN

18h 39m

2 stops

00:15 - 20:40

BQN

LHR

15h 25m

1 stop

£1,135United Airlines

Thu, 11 Jun - Sun, 14 Jun

09:30 - 23:09

LHR

BQN

18h 39m

2 stops

00:15 - 20:40

BQN

LHR

15h 25m

1 stop

£1,138United Airlines

Thu, 11 Jun - Sun, 14 Jun

16:40 - 16:11

LHR

MAZ

28h 31m

2 stops

13:19 - 06:55

MAZ

LHR

36h 36m

2 stops

£1,673Lufthansa

Mon, 8 Jun - Mon, 15 Jun

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JetBlue flights from London Heathrow Airport to Puerto Rico

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

JetBlue

18 Sept

LHR08:40London Heathrow

20h 18m

1 stop

SJU23:58San Juan Luis Munoz Marin Intl

27 Sept

SJU06:00San Juan Luis Munoz Marin Intl

22h 30m

1 stop

LHR09:30London Heathrow

£577

JetBlue

7 Oct

LHR08:15London Heathrow

16h 17m

1 stop

SJU19:32San Juan Luis Munoz Marin Intl

21 Oct

SJU06:12San Juan Luis Munoz Marin Intl

19h 18m

1 stop

LHR06:30London Heathrow

£581

JetBlue

16 Sept

LHR08:15London Heathrow

16h 17m

1 stop

SJU19:32San Juan Luis Munoz Marin Intl

23 Sept

SJU19:00San Juan Luis Munoz Marin Intl

20h 45m

1 stop

LHR20:45London Heathrow

£605

Avianca flights from London Heathrow Airport to Puerto Rico

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

Avianca

8 May

LHR22:05London Heathrow

18h 20m

1 stop

SJU11:25San Juan Luis Munoz Marin Intl

13 May

SJU18:35San Juan Luis Munoz Marin Intl

16h 00m

1 stop

LHR15:35London Heathrow

£697

Avianca

8 May

LHR22:05London Heathrow

24h 05m

1 stop

SJU17:10San Juan Luis Munoz Marin Intl

13 May

SJU18:35San Juan Luis Munoz Marin Intl

16h 00m

1 stop

LHR15:35London Heathrow

£700

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 18/9

08:40-23:58

1 stop20h 18m

San Juan Luis Munoz Marin Intl

Sun 27/9

06:00-09:30

1 stop22h 30m

£577

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 7/10

08:15-19:32

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Wed 21/10

06:12-06:30

1 stop19h 18m

£581

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 16/9

08:15-19:32

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Wed 23/9

19:00-20:45

1 stop20h 45m

£605

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 7/5

08:40-02:41

1 stop23h 01m

San Juan Luis Munoz Marin Intl

Sun 10/5

17:54-20:45

1 stop21h 51m

£620

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 8/5

11:55-00:10

1 stop17h 15m

San Juan Luis Munoz Marin Intl

Mon 11/5

12:00-20:45

1 stop27h 45m

£637

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 15/10

22:05-17:10

1 stop24h 05m

San Juan Luis Munoz Marin Intl

Sun 25/10

12:46-06:25

1 stop13h 39m

£659

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 26/8

22:05-11:25

1 stop18h 20m

San Juan Luis Munoz Marin Intl

Sun 6/9

06:51-07:50

1 stop19h 59m

£669

Fastest return journey

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 11/6

09:30-23:09

2 stops18h 39m

Aguadilla Borinquen

Sun 14/6

00:15-20:40

1 stop15h 25m

£1,135

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 11/6

09:30-23:09

2 stops18h 39m

Aguadilla Borinquen

Sun 14/6

00:15-20:40

1 stop15h 25m

£1,138

LondonMayagüez

LHR - MAZ

LHRMAZ

London Heathrow

Mon 8/6

16:40-16:11

2 stops28h 31m

Mayagüez Eugenio M De Hostos

Mon 15/6

13:19-06:55

2 stops36h 36m

£1,673

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 London Heathrow Airport to Puerto Rico

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

What is the cheapest month to fly to Puerto Rico?

In general, September is the cheapest month to fly from London Heathrow Airport to Puerto Rico. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £556. If you don’t want to visit Puerto Rico in September, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £579.

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

You are more likely to see cheaper flights to Puerto Rico from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around £655 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from London Heathrow Airport for as low as £517 on momondo.

Cheap London Heathrow Airport to Puerto Rico flight deals and tips

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

Fastest flight time	14h 05m
Direct flights	None

The fastest flight from London Heathrow Airport to Puerto Rico takes 14h 05m

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

Search flight deals

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

When did momondo last update prices for flights from London Heathrow Airport to Puerto Rico?
Prices for flights from London Heathrow Airport to Puerto Rico are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Puerto Rico?
As of April 2026, there are 7 operators available to choose from for flights from London Heathrow Airport to Puerto Rico.
How old do you have to be to fly from London Heathrow Airport to Puerto Rico?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Puerto Rico

Compare and see reviews for airlines that fly from London Heathrow Airport to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £330	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
JetBlue	PriceFrom £417	Free Cancellation	Rating 7.1 2,958 reviews	Search JetBlue flights
Finnair	PriceFrom £485	Free Cancellation	Rating 7.7 1,391 reviews	Search Finnair flights
Icelandair	PriceFrom £489	Free Cancellation	Rating 7.0 642 reviews	Search Icelandair flights
Avianca	PriceFrom £533	Free Cancellation	Rating 6.5 2,514 reviews	Search Avianca flights
British Airways	PriceFrom £534	Free Cancellation	Rating 6.7 7,917 reviews	Search British Airways flights
Iberia	PriceFrom £579	Free Cancellation	Rating 7.0 3,196 reviews	Search Iberia flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Puerto Rico. momondo saves you time and could save you money on your trip.

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

All flight searches from London to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Puerto Rico.

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

Yes momondo offers price alerts on flights to Puerto Rico from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Popular Cities in Puerto Rico

Flights to San Juanfrom £577

Flights to Aguadillafrom £793

Cheap flights from London Heathrow Airport to Puerto Rico from £366

Find the cheapest flights from London Heathrow Airport to Puerto Rico

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Big names, great deals

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JetBlue flights from London Heathrow Airport to Puerto Rico

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

Avianca flights from London Heathrow Airport to Puerto Rico

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

momondo Fare Finder

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

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

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

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

Which airlines fly to Puerto Rico?

Cheap London Heathrow Airport to Puerto Rico flight deals and tips

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

Fastest flight time

Direct flights

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

Best airlines flying from London Heathrow Airport to Puerto Rico

Compare and see reviews for airlines that fly from London Heathrow Airport to Puerto Rico with momondo

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular Cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year