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

JetBlue, United Airlines, and British Airways are the most popular carriers operating from London 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 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 5 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 August 2026, there are 5 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.

£281 Cheap Flights from London to Puerto Rico in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Puerto Rico

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 09:35LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

24h 35m1 stop Orlando

02:58 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

26h 02m1 stop Orlando

£496Multiple Airlines

Mon, 21 Sep - Tue, 13 Oct

14:00 - 14:18LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

29h 18m1 stop Orlando

06:05 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

22h 55m1 stop Orlando

£498Multiple Airlines

Wed, 30 Sep - Sat, 24 Oct

07:25 - 20:45LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 20m1 stop New York John F Kennedy Intl

07:00 - 09:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

22h 30m1 stop New York John F Kennedy Intl

£591JetBlue

Mon, 2 Nov - Mon, 16 Nov

08:15 - 19:34LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

16h 19m1 stop New York John F Kennedy Intl

06:00 - 20:45SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

33h 45m1 stop New York John F Kennedy Intl

£591JetBlue

Thu, 10 Sep - Sun, 20 Sep

13:05 - 10:00LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

25h 55m2 stops Reykjavik Keflavik Intl Boston Logan Intl

10:30 - 20:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

28h 50m2 stops New York John F Kennedy Intl Reykjavik Keflavik Intl

£743Icelandair

Tue, 1 Sep - Wed, 9 Sep

12:15 - 01:52LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 37m2 stops Reykjavik Keflavik Intl New York John F Kennedy Intl

06:01 - 19:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

33h 29m2 stops Boston Logan Intl Reykjavik Keflavik Intl

£766Icelandair

Sat, 5 Dec - Tue, 15 Dec

10:50 - 18:50LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

13h 00m1 stop Madrid Barajas

18:10 - 10:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 25m1 stop Madrid Barajas

£888Iberia

Thu, 1 Oct - Tue, 27 Oct

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

14h 45m1 stop Madrid Barajas

08:00 - 08:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

20h 15m1 stop Miami

£914Iberia

Thu, 10 Dec - Sat, 19 Dec

07:50 - 16:40LCY London City-SJU San Juan Luis Munoz Marin Intl

12h 50m1 stop Madrid Barajas

21:35 - 14:15SJU San Juan Luis Munoz Marin Intl-LCY London City

12h 40m1 stop Madrid Barajas

£924British Airways

Wed, 18 Nov - Mon, 30 Nov

07:50 - 16:40LCY London City-SJU San Juan Luis Munoz Marin Intl

12h 50m1 stop Madrid Barajas

10:32 - 08:50SJU San Juan Luis Munoz Marin Intl-LCY London City

18h 18m2 stops Miami Madrid Barajas

£924British Airways

Wed, 18 Nov - Mon, 30 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

14:00 - 02:15LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

17h 15m1 stop Orlando

12:11 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

16h 49m1 stop Orlando

£749Multiple Airlines

Mon, 17 Aug - Fri, 21 Aug

12:20 - 23:54LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

16h 34m1 stop Boston Logan Intl

16:15 - 09:35SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

12h 20m1 stop Boston Logan Intl

£807TAP AIR PORTUGAL

Sun, 16 Aug - Sat, 29 Aug

08:40 - 23:54LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 14m1 stop Boston Logan Intl

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

19h 30m1 stop Boston Logan Intl

£825TAP AIR PORTUGAL

Fri, 14 Aug - Sat, 29 Aug

08:40 - 23:54LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 14m1 stop Boston Logan Intl

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

19h 30m1 stop Boston Logan Intl

£837TAP AIR PORTUGAL

Sun, 16 Aug - Sat, 29 Aug

11:30 - 18:50LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

12h 20m1 stop Madrid Barajas

10:33 - 10:50SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

19h 17m2 stops Miami Madrid Barajas

£1,467Iberia

Fri, 14 Aug - Sat, 29 Aug

09:10 - 22:24LCY London City-SJU San Juan Luis Munoz Marin Intl

18h 14m2 stops Dublin Philadelphia

13:38 - 13:20SJU San Juan Luis Munoz Marin Intl-LCY London City

18h 42m2 stops Miami Barcelona-El Prat

£2,238British Airways

Mon, 17 Aug - Mon, 24 Aug

08:40 - 14:11LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

34h 31m1 stop Boston Logan Intl

05:01 - 06:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

20h 29m1 stop Boston Logan Intl

£2,242JetBlue

Mon, 17 Aug - Fri, 21 Aug

20:15 - 23:52LCY London City-SJU San Juan Luis Munoz Marin Intl

32h 37m2 stops Amsterdam Schiphol New York John F Kennedy Intl

13:19 - 17:20SJU San Juan Luis Munoz Marin Intl-LCY London City

23h 01m2 stops New York John F Kennedy Intl Amsterdam Schiphol

£2,692Virgin Atlantic

Fri, 14 Aug - Sat, 29 Aug

08:15 - 21:39LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

18h 24m1 stop New York John F Kennedy Intl

14:30 - 06:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

35h 00m1 stop Boston Logan Intl

£3,531JetBlue

Mon, 17 Aug - Fri, 21 Aug

12:20 - 23:54LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

16h 34m1 stop Boston Logan Intl

14:30 - 09:35SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

14h 05m1 stop Boston Logan Intl

£3,780JetBlue

Mon, 17 Aug - Fri, 21 Aug

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JetBlue flights from London to Puerto Rico

Our best JetBlue deals on London to Puerto Rico flight tickets

JetBlue

10 Sept

LHR08:15London Heathrow

16h 19m

1 stop

SJU19:34San Juan Luis Munoz Marin Intl

20 Sept

SJU06:00San Juan Luis Munoz Marin Intl

33h 45m

1 stop

LHR20:45London Heathrow

£591

JetBlue

21 Sept

LHR08:15London Heathrow

34h 24m

1 stop

SJU13:39San Juan Luis Munoz Marin Intl

27 Sept

SJU06:00San Juan Luis Munoz Marin Intl

22h 30m

1 stop

LHR09:30London Heathrow

£592

JetBlue

18 Sept

LHR08:15London Heathrow

16h 19m

1 stop

SJU19:34San Juan Luis Munoz Marin Intl

4 Oct

SJU18:55San Juan Luis Munoz Marin Intl

30h 35m

1 stop

LHR06:30London Heathrow

£594

British Airways flights from London to Puerto Rico

Our best British Airways deals on London to Puerto Rico flight tickets

British Airways

18 Nov

LCY07:50London City

12h 50m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

30 Nov

SJU10:32San Juan Luis Munoz Marin Intl

18h 18m

2 stops

LCY08:50London City

£924

British Airways

19 Nov

LCY07:50London City

12h 50m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

30 Nov

SJU10:32San Juan Luis Munoz Marin Intl

18h 18m

2 stops

LCY08:50London City

£966

British Airways

20 Nov

LCY07:50London City

12h 50m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

30 Nov

SJU10:32San Juan Luis Munoz Marin Intl

18h 18m

2 stops

LCY08:50London City

£990

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Mon 21/9

14:00-09:35

1 stop24h 35m

San Juan Luis Munoz Marin Intl

Tue 13/10

02:58-10:00

1 stop26h 02m

£496

LondonSan Juan

LGW London Gatwick - SJU San Juan Luis Munoz Marin Intl

LGWSJU

London Gatwick

Wed 30/9

14:00-14:18

1 stop29h 18m

San Juan Luis Munoz Marin Intl

Sat 24/10

06:05-10:00

1 stop22h 55m

£498

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Mon 2/11

07:25-20:45

1 stop17h 20m

San Juan Luis Munoz Marin Intl

Mon 16/11

07:00-09:30

1 stop22h 30m

£591

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 10/9

08:15-19:34

1 stop16h 19m

San Juan Luis Munoz Marin Intl

Sun 20/9

06:00-20:45

1 stop33h 45m

£591

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Tue 1/9

13:05-10:00

2 stops25h 55m

San Juan Luis Munoz Marin Intl

Wed 9/9

10:30-20:20

2 stops28h 50m

£743

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Sat 5/12

12:15-01:52

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Tue 15/12

06:01-19:30

2 stops33h 29m

£766

Fastest return journey

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 1/10

10:50-18:50

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Tue 27/10

18:10-10:35

1 stop12h 25m

£888

LondonSan Juan

LHR London Heathrow - SJU San Juan Luis Munoz Marin Intl

LHRSJU

London Heathrow

Thu 10/12

09:15-20:00

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Sat 19/12

08:00-08:15

1 stop20h 15m

£914

LondonSan Juan

LCY London City - SJU San Juan Luis Munoz Marin Intl

LCYSJU

London City

Wed 18/11

07:50-16:40

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Mon 30/11

21:35-14:15

1 stop12h 40m

£924

LondonSan Juan

LCY London City - SJU San Juan Luis Munoz Marin Intl

LCYSJU

London City

Wed 18/11

07:50-16:40

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Mon 30/11

10:32-08:50

2 stops18h 18m

£924

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, February 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 £531. If you don’t want to visit Puerto Rico in February, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of £604.

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 £727 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 £554 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	12h 50m
Direct flights	None

The fastest flight from London to Puerto Rico takes 12h 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 August 2026, there are 5 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 £330	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
JetBlue	PriceFrom £422	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Icelandair	PriceFrom £482	Free Cancellation	Rating 6.9 728 reviews	Search Icelandair flights
Iberia	PriceFrom £768	Free Cancellation	Rating 7.0 3,262 reviews	Search Iberia flights
British Airways	PriceFrom £839	Free Cancellation	Rating 6.7 8,161 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 £528

Flights to Aguadillafrom £624

Cheap flights from London to Puerto Rico from £281

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London to Puerto Rico

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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

JetBlue flights from London to Puerto Rico

Our best JetBlue deals on London to Puerto Rico flight tickets

British Airways flights from London to Puerto Rico

Our best British Airways 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

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