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

JetBlue, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from London 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 according to our data. JetBlue is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Puerto Rico. Keep in mind that there are 6 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 to Puerto Rico?

Prices for flights from London to Puerto Rico are refreshed on a daily basis.

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

As of March 2026, there are 6 operators available to choose from for flights from London to Puerto Rico.

How old do you have to be to fly from London 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 to Puerto Rico.

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

The necessary travel and health documents for your Puerto Rico 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.

£294 Cheap Flights from London to Puerto Rico in 2026

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Find the cheapest flights from London to Puerto Rico

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 22:08

LHR

SJU

18h 28m

1 stop

19:58 - 20:45

SJU

LHR

19h 47m

1 stop

£542JetBlue

Mon, 13 Apr - Mon, 27 Apr

11:55 - 00:07

LHR

SJU

17h 12m

1 stop

21:59 - 20:45

SJU

LHR

17h 46m

1 stop

£543JetBlue

Tue, 28 Apr - Sun, 10 May

14:00 - 23:24

LGW

SJU

14h 24m

1 stop

17:15 - 10:00

SJU

LGW

35h 45m

2 stops

£561Multiple Airlines

Sat, 2 May - Sat, 9 May

08:40 - 22:12

LHR

SJU

18h 32m

1 stop

19:58 - 20:45

SJU

LHR

19h 47m

1 stop

£565JetBlue

Tue, 14 Apr - Tue, 21 Apr

14:00 - 23:59

LGW

SJU

38h 59m

2 stops

02:59 - 10:00

SJU

LGW

26h 01m

1 stop

£565Multiple Airlines

Sat, 2 May - Sat, 9 May

08:15 - 00:07

LHR

SJU

20h 52m

1 stop

05:01 - 06:30

SJU

LHR

20h 29m

1 stop

£568JetBlue

Mon, 13 Apr - Mon, 20 Apr

14:00 - 08:53

LGW

SJU

23h 53m

1 stop

02:59 - 10:00

SJU

LGW

26h 01m

1 stop

£568Multiple Airlines

Fri, 10 Apr - Sat, 25 Apr

08:00 - 23:09

LHR

BQN

20h 09m

2 stops

00:15 - 06:45

BQN

LHR

25h 30m

2 stops

£996United Airlines

Thu, 23 Apr - Sun, 26 Apr

08:00 - 23:09

LHR

BQN

20h 09m

2 stops

00:15 - 06:55

BQN

LHR

25h 40m

2 stops

£1,002United Airlines

Thu, 23 Apr - Sun, 26 Apr

08:00 - 23:09

LHR

BQN

20h 09m

2 stops

00:15 - 06:55

BQN

LHR

25h 40m

2 stops

£1,005United Airlines

Thu, 23 Apr - Sun, 26 Apr

JetBlue flights from London to Puerto Rico

Our best JetBlue deals on London to Puerto Rico flight tickets

JetBlue

13 Apr

LHR08:40London Heathrow

18h 28m

1 stop

SJU22:08San Juan Luis Munoz Marin Intl

27 Apr

SJU19:58San Juan Luis Munoz Marin Intl

19h 47m

1 stop

LHR20:45London Heathrow

£542

JetBlue

14 Apr

LHR08:40London Heathrow

18h 32m

1 stop

SJU22:12San Juan Luis Munoz Marin Intl

21 Apr

SJU19:58San Juan Luis Munoz Marin Intl

19h 47m

1 stop

LHR20:45London Heathrow

£565

JetBlue

13 Apr

LHR08:15London Heathrow

20h 52m

1 stop

SJU00:07San Juan Luis Munoz Marin Intl

20 Apr

SJU05:01San Juan Luis Munoz Marin Intl

20h 29m

1 stop

LHR06:30London Heathrow

£568

Iberia flights from London to Puerto Rico

Our best Iberia deals on London to Puerto Rico flight tickets

Iberia

26 Mar

LHR11:15London Heathrow

15h 43m

1 stop

SJU22:58San Juan Luis Munoz Marin Intl

12 Apr

SJU19:00San Juan Luis Munoz Marin Intl

33h 00m

1 stop

LHR09:00London Heathrow

£906

Iberia

27 Mar

LHR12:10London Heathrow

14h 48m

1 stop

SJU22:58San Juan Luis Munoz Marin Intl

3 Apr

SJU13:23San Juan Luis Munoz Marin Intl

14h 37m

1 stop

LHR09:00London Heathrow

£909

Iberia

14 Apr

LCY09:50London City

14h 15m

1 stop

SJU19:05San Juan Luis Munoz Marin Intl

27 Apr

SJU17:25San Juan Luis Munoz Marin Intl

16h 50m

1 stop

LCY15:15London City

£1,026

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 13/4

08:40-22:08

1 stop18h 28m

San Juan Luis Munoz Marin Intl

Mon 27/4

19:58-20:45

1 stop19h 47m

£542

Fastest return journey

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 28/4

11:55-00:07

1 stop17h 12m

San Juan Luis Munoz Marin Intl

Sun 10/5

21:59-20:45

1 stop17h 46m

£543

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 2/5

14:00-23:24

1 stop14h 24m

San Juan Luis Munoz Marin Intl

Sat 9/5

17:15-10:00

2 stops35h 45m

£561

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 14/4

08:40-22:12

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Tue 21/4

19:58-20:45

1 stop19h 47m

£565

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 2/5

14:00-23:59

2 stops38h 59m

San Juan Luis Munoz Marin Intl

Sat 9/5

02:59-10:00

1 stop26h 01m

£565

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 13/4

08:15-00:07

1 stop20h 52m

San Juan Luis Munoz Marin Intl

Mon 20/4

05:01-06:30

1 stop20h 29m

£568

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 10/4

14:00-08:53

1 stop23h 53m

San Juan Luis Munoz Marin Intl

Sat 25/4

02:59-10:00

1 stop26h 01m

£568

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 23/4

08:00-23:09

2 stops20h 09m

Aguadilla Borinquen

Sun 26/4

00:15-06:45

2 stops25h 30m

£996

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 23/4

08:00-23:09

2 stops20h 09m

Aguadilla Borinquen

Sun 26/4

00:15-06:55

2 stops25h 40m

£1,002

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 23/4

08:00-23:09

2 stops20h 09m

Aguadilla Borinquen

Sun 26/4

00:15-06:55

2 stops25h 40m

£1,005

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 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 to Puerto Rico. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £551. If you don’t want to visit Puerto Rico in September, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of £554.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around £675 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 for as low as £530 on momondo.

Cheap London to Puerto Rico flight deals and tips

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

Fastest flight time	14h 00m
Direct flights	None

The fastest flight from London to Puerto Rico takes 14h 00m

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

Search flight deals

When did momondo last update prices for flights from London to Puerto Rico?
Prices for flights from London to Puerto Rico are refreshed on a daily basis.
How many operators does momondo search for flights from London to Puerto Rico?
As of March 2026, there are 6 operators available to choose from for flights from London to Puerto Rico.
How old do you have to be to fly from London 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 to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The necessary travel and health documents for your Puerto Rico 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.

Best airlines flying from London to Puerto Rico

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

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £337	Free Cancellation	Rating 7.5 682 reviews	Search Virgin Atlantic flights
JetBlue	PriceFrom £413	Free Cancellation	Rating 7.2 2,905 reviews	Search JetBlue flights
Finnair	PriceFrom £496	Free Cancellation	Rating 7.6 1,371 reviews	Search Finnair flights
Icelandair	PriceFrom £512	Free Cancellation	Rating 7.1 622 reviews	Search Icelandair flights
Iberia	PriceFrom £563	Free Cancellation	Rating 7.0 3,137 reviews	Search Iberia flights
British Airways	PriceFrom £615	Free Cancellation	Rating 6.7 7,797 reviews	Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Puerto Rico for you.

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

Yes. momondo allows you to filter the results for London to Puerto Rico flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Puerto Rico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they 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.

Start using Trips

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Find better results for your trip to Puerto Rico

Popular cities

Other flights from London

Other flights to Puerto Rico

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular Cities in Puerto Rico

Flights to San Juanfrom £487

Flights to Aguadillafrom £904

Cheap flights from London to Puerto Rico from £294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Puerto Rico departing on 18/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to Puerto Rico

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

JetBlue flights from London to Puerto Rico

Our best JetBlue deals on London to Puerto Rico flight tickets

Iberia flights from London to Puerto Rico

Our best Iberia deals on London to Puerto Rico flight tickets

momondo Fare Finder

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

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

How far in advance should I book a flight to Puerto Rico?

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

Which airlines fly to Puerto Rico?

Cheap London to Puerto Rico flight deals and tips

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

Fastest flight time

Direct flights

Best airlines flying from London to Puerto Rico

Compare and see reviews for airlines that fly from London 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 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