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 67% 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.

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

Avianca and JetBlue are the most popular carriers operating from London to Puerto Rico

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 May 2026, there are 7 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.

£331 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.

11:55 - 23:49

LHR

SJU

16h 54m

1 stop

15:00 - 09:30

SJU

LHR

13h 30m

1 stop

£551JetBlue

Fri, 9 Oct - Sat, 17 Oct

12:20 - 21:32

LGW

SJU

14h 12m

1 stop

16:55 - 09:35

SJU

LGW

11h 40m

1 stop

£581JetBlue

Wed, 2 Sep - Mon, 7 Sep

06:00 - 15:55

STN

SJU

14h 55m

1 stop

17:25 - 11:10

SJU

STN

12h 45m

1 stop

£674Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

08:20 - 18:50

STN

SJU

15h 30m

1 stop

20:40 - 14:20

SJU

STN

12h 40m

1 stop

£715Multiple Airlines

Wed, 3 Jun - Wed, 10 Jun

09:35 - 18:50

LCY

SJU

14h 15m

1 stop

20:25 - 15:15

SJU

LCY

13h 50m

1 stop

£912British Airways

Tue, 8 Sep - Tue, 22 Sep

07:50 - 20:00

LCY

SJU

16h 10m

1 stop

21:35 - 14:05

SJU

LCY

12h 30m

1 stop

£1,098British Airways

Thu, 5 Nov - Wed, 11 Nov

09:35 - 18:50

LCY

SJU

14h 15m

1 stop

20:25 - 15:15

SJU

LCY

13h 50m

1 stop

£1,115Iberia

Wed, 10 Jun - Tue, 8 Sep

09:35 - 18:50

LCY

SJU

14h 15m

1 stop

20:25 - 15:15

SJU

LCY

13h 50m

1 stop

£1,118Iberia

Wed, 10 Jun - Tue, 8 Sep

18:00 - 15:49

LHR

MAZ

26h 49m

2 stops

13:25 - 05:55

MAZ

LHR

59h 30m

2 stops

£1,639United Airlines

Fri, 28 Aug - Tue, 1 Sep

07:45 - 15:49

LHR

MAZ

37h 04m

2 stops

13:25 - 21:20

MAZ

LHR

50h 55m

2 stops

£1,641United Airlines

Fri, 28 Aug - Tue, 1 Sep

TAP AIR PORTUGAL flights from London to Puerto Rico

Our best TAP AIR PORTUGAL deals on London to Puerto Rico flight tickets

TAP AIR PORTUGAL

5 Jun

LHR08:40London Heathrow

18h 02m

1 stop

SJU21:42San Juan Luis Munoz Marin Intl

12 Jun

SJU06:00San Juan Luis Munoz Marin Intl

19h 30m

1 stop

LHR06:30London Heathrow

£672

TAP AIR PORTUGAL

14 May

LHR08:40London Heathrow

23h 01m

1 stop

SJU02:41San Juan Luis Munoz Marin Intl

22 May

SJU13:27San Juan Luis Munoz Marin Intl

12h 03m

1 stop

LHR06:30London Heathrow

£722

TAP AIR PORTUGAL

22 Oct

LHR11:20London Heathrow

30h 48m

2 stops

SJU13:08San Juan Luis Munoz Marin Intl

31 Oct

SJU06:00San Juan Luis Munoz Marin Intl

26h 40m

2 stops

LHR12:40London Heathrow

£727

Iberia flights from London to Puerto Rico

Our best Iberia deals on London to Puerto Rico flight tickets

Iberia

10 Jun

LCY09:35London City

14h 15m

1 stop

SJU18:50San Juan Luis Munoz Marin Intl

8 Sept

SJU20:25San Juan Luis Munoz Marin Intl

13h 50m

1 stop

LCY15:15London City

£1,115

Iberia

10 Jun

LCY09:35London City

14h 15m

1 stop

SJU18:50San Juan Luis Munoz Marin Intl

8 Sept

SJU20:25San Juan Luis Munoz Marin Intl

13h 50m

1 stop

LCY15:15London City

£1,118

Iberia

10 Jun

LCY09:35London City

14h 15m

1 stop

SJU18:50San Juan Luis Munoz Marin Intl

8 Sept

SJU17:15San Juan Luis Munoz Marin Intl

17h 00m

1 stop

LCY15:15London City

£1,175

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

11:55-23:49

1 stop16h 54m

San Juan Luis Munoz Marin Intl

Sat 17/10

15:00-09:30

1 stop13h 30m

£551

Fastest return journey

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 2/9

12:20-21:32

1 stop14h 12m

San Juan Luis Munoz Marin Intl

Mon 7/9

16:55-09:35

1 stop11h 40m

£581

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Thu 4/6

06:00-15:55

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Thu 11/6

17:25-11:10

1 stop12h 45m

£674

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 3/6

08:20-18:50

1 stop15h 30m

San Juan Luis Munoz Marin Intl

Wed 10/6

20:40-14:20

1 stop12h 40m

£715

LondonSan Juan

LCY - SJU

LCYSJU

London City

Tue 8/9

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 22/9

20:25-15:15

1 stop13h 50m

£912

LondonSan Juan

LCY - SJU

LCYSJU

London City

Thu 5/11

07:50-20:00

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Wed 11/11

21:35-14:05

1 stop12h 30m

£1,098

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 10/6

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 8/9

20:25-15:15

1 stop13h 50m

£1,115

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 10/6

09:35-18:50

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 8/9

20:25-15:15

1 stop13h 50m

£1,118

LondonMayagüez

LHR - MAZ

LHRMAZ

London Heathrow

Fri 28/8

18:00-15:49

2 stops26h 49m

Mayagüez Eugenio M De Hostos

Tue 1/9

13:25-05:55

2 stops59h 30m

£1,639

LondonMayagüez

LHR - MAZ

LHRMAZ

London Heathrow

Fri 28/8

07:45-15:49

2 stops37h 04m

Mayagüez Eugenio M De Hostos

Tue 1/9

13:25-21:20

2 stops50h 55m

£1,641

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, July 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 £140. If you don’t want to visit Puerto Rico in July, then you should wait until June to fly from London, when ticket prices are also cheap, with an average price of £182.

How far in advance should I book a flight from London 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 £657 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 £517 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	13h 50m
Direct flights	None

The fastest flight from London to Puerto Rico takes 13h 50m

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

Search flight deals

Frequently asked questions about flying from London to Puerto Rico

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 May 2026, there are 7 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 £329	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
JetBlue	PriceFrom £430	Free Cancellation	Rating 7.1 2,973 reviews	Search JetBlue flights
Finnair	PriceFrom £484	Free Cancellation	Rating 7.6 1,393 reviews	Search Finnair flights
Icelandair	PriceFrom £489	Free Cancellation	Rating 7.0 654 reviews	Search Icelandair flights
Avianca	PriceFrom £532	Free Cancellation	Rating 6.5 2,523 reviews	Search Avianca flights
British Airways	PriceFrom £534	Free Cancellation	Rating 6.7 7,975 reviews	Search British Airways flights
Iberia	PriceFrom £588	Free Cancellation	Rating 7.0 3,215 reviews	Search Iberia 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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Popular cities

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Other flights to Puerto Rico

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular Cities in Puerto Rico

Flights to San Juanfrom £552

Flights to Aguadillafrom £997

Cheap flights from London to Puerto Rico from £331

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 1/6. 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

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Filter for what you want

Trusted and free

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Find the cheapest flights from London to Puerto Rico

Cheap return flights

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TAP AIR PORTUGAL flights from London to Puerto Rico

Our best TAP AIR PORTUGAL 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 from London 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

Frequently asked questions about flying from London to Puerto Rico

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