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

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

Which airlines fly to Puerto Rico?

JetBlue, Iberia and Icelandair 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 75% of people opting to fly with this airline when travelling to Puerto Rico. Keep in mind that there are 4 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 October 2026, there are 4 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.

£371 Cheap Flights from London Heathrow Airport to Puerto Rico in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Puerto Rico

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 14:19LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

32h 59m1 stop Boston Logan Intl

07:00 - 21:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

34h 40m1 stop New York John F Kennedy Intl

£536JetBlue

Thu, 29 Oct - Fri, 6 Nov

12:15 - 10:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

26h 00m2 stops Reykjavik Keflavik Intl Orlando

03:55 - 19:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

35h 35m2 stops Orlando Reykjavik Keflavik Intl

£553Multiple Airlines

Thu, 5 Nov - Wed, 11 Nov

12:20 - 01:52LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 32m1 stop New York John F Kennedy Intl

14:45 - 06:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 10m1 stop Boston Logan Intl

£564JetBlue

Mon, 7 Dec - Mon, 14 Dec

06:30 - 23:38LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 08m2 stops Amsterdam Schiphol Miami

16:52 - 12:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 43m1 stop Miami

£585Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

12:15 - 01:13LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 58m2 stops Reykjavik Keflavik Intl Boston Logan Intl

05:01 - 19:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

34h 29m2 stops Boston Logan Intl Reykjavik Keflavik Intl

£754Icelandair

Wed, 11 Nov - Tue, 24 Nov

12:15 - 00:40LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 25m2 stops Reykjavik Keflavik Intl Boston Logan Intl

13:55 - 10:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 55m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl

£772Icelandair

Wed, 25 Nov - Fri, 4 Dec

09:15 - 20:00LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

14h 45m1 stop Madrid Barajas

21:35 - 14:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 20m1 stop Madrid Barajas

£919Iberia

Fri, 12 Feb - Sat, 20 Feb

06:30 - 23:59LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 29m2 stops Dublin Philadelphia

15:14 - 08:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 01m1 stop Miami

£1,038British Airways

Thu, 7 Jan - Thu, 21 Jan

06:30 - 23:59LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 29m2 stops Dublin Philadelphia

15:14 - 08:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 01m1 stop Miami

£1,046British Airways

Thu, 7 Jan - Thu, 21 Jan

20:50 - 16:40LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 50m2 stops Barcelona-El Prat Madrid Barajas

15:17 - 12:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 48m1 stop Miami

£1,083Iberia

Tue, 27 Oct - Wed, 4 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

24h 05m1 stop Bogotá El Dorado

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

16h 00m1 stop Bogotá El Dorado

£716Avianca

Fri, 9 Oct - Mon, 19 Oct

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

24h 05m1 stop Bogotá El Dorado

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

16h 00m1 stop Bogotá El Dorado

£730Avianca

Sat, 10 Oct - Sat, 17 Oct

08:40 - 23:49LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 09m1 stop Boston Logan Intl

01:00 - 06:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

24h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl

£825Multiple Airlines

Sat, 10 Oct - Fri, 16 Oct

21:25 - 13:53LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

45h 28m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl

06:20 - 11:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

24h 35m2 stops Boston Logan Intl Reykjavik Keflavik Intl

£884Icelandair

Sat, 10 Oct - Sat, 17 Oct

08:15 - 20:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 48m1 stop New York John F Kennedy Intl

15:00 - 09:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 30m1 stop New York John F Kennedy Intl

£909JetBlue

Fri, 9 Oct - Mon, 19 Oct

08:15 - 20:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 48m1 stop New York John F Kennedy Intl

15:00 - 09:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 30m1 stop New York John F Kennedy Intl

£910JetBlue

Fri, 9 Oct - Mon, 19 Oct

08:15 - 20:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 48m1 stop New York John F Kennedy Intl

15:00 - 09:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 30m1 stop New York John F Kennedy Intl

£911JetBlue

Fri, 9 Oct - Mon, 19 Oct

08:15 - 22:43LHR London Heathrow-BQN Aguadilla Borinquen

19h 28m1 stop New York John F Kennedy Intl

06:04 - 09:30BQN Aguadilla Borinquen-LHR London Heathrow

22h 26m1 stop New York John F Kennedy Intl

£985JetBlue

Mon, 5 Oct - Mon, 12 Oct

06:00 - 02:09LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

25h 09m2 stops Lisbon Humberto Delgado Miami

03:00 - 06:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

22h 30m3 stops Orlando Boston Logan Intl Montreal Pierre Elliott Trudeau Intl

£1,184Multiple Airlines

Sat, 10 Oct - Fri, 16 Oct

07:55 - 22:57LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 02m2 stops Edinburgh Turnhouse Philadelphia

14:18 - 09:00SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 42m1 stop Miami

£1,479British Airways

Fri, 9 Oct - Mon, 19 Oct

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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

6 Jan

LHR12:20London Heathrow

30h 30m

1 stop

SJU14:50San Juan Luis Munoz Marin Intl

16 Jan

SJU06:01San Juan Luis Munoz Marin Intl

20h 54m

1 stop

LHR06:55London Heathrow

£584

JetBlue

4 Dec

LHR09:20London Heathrow

14h 07m

1 stop

SJU19:27San Juan Luis Munoz Marin Intl

12 Dec

SJU17:18San Juan Luis Munoz Marin Intl

33h 37m

1 stop

LHR06:55London Heathrow

£592

JetBlue

8 Dec

LHR07:25London Heathrow

18h 33m

1 stop

SJU21:58San Juan Luis Munoz Marin Intl

12 Dec

SJU06:01San Juan Luis Munoz Marin Intl

34h 54m

1 stop

LHR20:55London Heathrow

£595

Avianca flights from London Heathrow Airport to Puerto Rico

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

Avianca

25 Nov

LHR21:35London Heathrow

23h 20m

1 stop

SJU16:55San Juan Luis Munoz Marin Intl

4 Dec

SJU18:20San Juan Luis Munoz Marin Intl

16h 15m

1 stop

LHR14:35London Heathrow

£660

Avianca

2 Feb

LHR21:35London Heathrow

23h 20m

1 stop

SJU16:55San Juan Luis Munoz Marin Intl

7 Feb

SJU18:20San Juan Luis Munoz Marin Intl

16h 15m

1 stop

LHR14:35London Heathrow

£663

Avianca

10 Oct

LHR22:05London Heathrow

24h 05m

1 stop

SJU17:10San Juan Luis Munoz Marin Intl

17 Oct

SJU18:35San Juan Luis Munoz Marin Intl

16h 00m

1 stop

LHR15:35London Heathrow

£730

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 London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 29/10

09:20-14:19

1 stop32h 59m

San Juan Luis Munoz Marin Intl

Fri 6/11

07:00-21:40

1 stop34h 40m

£536

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 5/11

12:15-10:15

2 stops26h 00m

San Juan Luis Munoz Marin Intl

Wed 11/11

03:55-19:30

2 stops35h 35m

£553

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 7/12

12:20-01:52

1 stop17h 32m

San Juan Luis Munoz Marin Intl

Mon 14/12

14:45-06:55

1 stop12h 10m

£564

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 5/11

06:30-23:38

2 stops21h 08m

San Juan Luis Munoz Marin Intl

Thu 12/11

16:52-12:35

1 stop15h 43m

£585

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 11/11

12:15-01:13

2 stops16h 58m

San Juan Luis Munoz Marin Intl

Tue 24/11

05:01-19:30

2 stops34h 29m

£754

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Wed 25/11

12:15-00:40

2 stops16h 25m

San Juan Luis Munoz Marin Intl

Fri 4/12

13:55-10:50

2 stops16h 55m

£772

Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Fri 12/2

09:15-20:00

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Sat 20/2

21:35-14:55

1 stop13h 20m

£919

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 7/1

06:30-23:59

2 stops21h 29m

San Juan Luis Munoz Marin Intl

Thu 21/1

15:14-08:15

1 stop13h 01m

£1,038

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 7/1

06:30-23:59

2 stops21h 29m

San Juan Luis Munoz Marin Intl

Thu 21/1

15:14-08:15

1 stop13h 01m

£1,046

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 27/10

20:50-16:40

2 stops23h 50m

San Juan Luis Munoz Marin Intl

Wed 4/11

15:17-12:05

1 stop16h 48m

£1,083

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, February 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 £574. If you don’t want to visit Puerto Rico in February, then you should wait until May to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £604.

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 £755 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 £575 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

Best price found	£371
Fastest flight time	14h 59m
Direct flights	None

The best one-way flight to Puerto Rico from London Heathrow Airport in the past 72 hours is £371. The best return flight deal from London Heathrow Airport to Puerto Rico found on momondo in the last 72 hours is £536.

The fastest flight from London Heathrow Airport to Puerto Rico takes 14h 59m

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 October 2026, there are 4 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
JetBlue	PriceFrom £429	Free Cancellation	Rating 7.1 3,042 reviews	Search JetBlue flights
Icelandair	PriceFrom £491	Free Cancellation	Rating 6.9 758 reviews	Search Icelandair flights
Iberia	PriceFrom £855	Free Cancellation	Rating 7.0 3,256 reviews	Search Iberia flights
British Airways	PriceFrom £856	Free Cancellation	Rating 6.7 8,246 reviews	Search British Airways 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 £533

Flights to Aguadillafrom £687

Cheap flights from London Heathrow Airport to Puerto Rico from £371

Find the cheapest flights from London Heathrow Airport to Puerto Rico

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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

Best price found

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