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

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

How long does it take to fly to London?

Flight times from Puerto Rico to London vary, but if you’re flying out of Ponce and flying into London Heathrow Airport (one of the most popular routes), then the duration is 12h 39m on average. Another popular route from Puerto Rico to London is flying from San Juan to London Heathrow Airport, which will take roughly 12h 45m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Puerto Rico to London were last updated today.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London 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.

£174 Cheap Flights from Puerto Rico to London in 2025/26

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Find the cheapest flights from Puerto Rico to London

Round-trip

One-way

Last minute

Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

19:01 - 12:05

SJU

LHR

13h 04m1 stop

11:55 - 22:24

LHR

SJU

14h 29m1 stop

£394Iberia

Fri, 13 Feb - Sat, 21 Feb

13:58 - 07:20

SJU

LHR

13h 22m1 stop

07:30 - 16:40

LHR

SJU

13h 10m1 stop

£426American Airlines

Wed, 28 Jan - Mon, 2 Feb

21:25 - 16:35

SJU

LHR

15h 10m1 stop

08:25 - 19:55

LHR

SJU

15h 30m1 stop

£427Iberia

Thu, 19 Feb - Sun, 1 Mar

14:15 - 09:10

SJU

LHR

14h 55m1 stop

06:50 - 21:00

LHR

SJU

18h 10m2 stops

£428United Airlines

Wed, 28 Jan - Mon, 2 Feb

08:10 - 07:10

SJU

LHR

19h 00m2 stops

06:50 - 22:22

LHR

SJU

19h 32m2 stops

£430United Airlines

Wed, 28 Jan - Mon, 2 Feb

08:05 - 05:55

SJU

LHR

17h 50m2 stops

06:50 - 22:22

LHR

SJU

19h 32m2 stops

£431United Airlines

Thu, 12 Feb - Thu, 19 Feb

14:24 - 06:50

SJU

LHR

12h 26m1 stop

08:40 - 23:59

LHR

SJU

19h 19m2 stops

£432Delta

Wed, 4 Mar - Tue, 10 Mar

11:52 - 10:00

SJU

LGW

18h 08m1 stop

14:00 - 10:17

LGW

SJU

24h 17m1 stop

£444Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

06:00 - 10:00

SJU

LGW

24h 00m2 stops

14:00 - 10:17

LGW

SJU

24h 17m1 stop

£448Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

17:30 - 18:25

SJU

LCY

20h 55m2 stops

08:25 - 23:59

LCY

SJU

20h 34m2 stops

£814KLM

Sun, 22 Mar - Mon, 30 Mar

Iberia flights from Puerto Rico to London

Our best Iberia deals on Puerto Rico to London flight tickets

Iberia

13 Feb

SJU19:01San Juan Luis Munoz Marin Intl

13h 04m

1 stop

LHR12:05London Heathrow

21 Feb

LHR11:55London Heathrow

14h 29m

1 stop

SJU22:24San Juan Luis Munoz Marin Intl

£394

Find similar

Iberia

19 Feb

SJU21:25San Juan Luis Munoz Marin Intl

15h 10m

1 stop

LHR16:35London Heathrow

1 Mar

LHR08:25London Heathrow

15h 30m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£427

Find similar

Iberia

22 Jan

SJU21:25San Juan Luis Munoz Marin Intl

17h 35m

1 stop

LGW19:00London Gatwick

29 Jan

LGW11:45London Gatwick

12h 10m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£560

Find similar

JetBlue flights from Puerto Rico to London

Our best JetBlue deals on Puerto Rico to London flight tickets

JetBlue

31 Jan

SJU06:01San Juan Luis Munoz Marin Intl

20h 54m

1 stop

LHR06:55London Heathrow

8 Feb

LHR07:45London Heathrow

22h 39m

1 stop

SJU02:24San Juan Luis Munoz Marin Intl

£435

Find similar

JetBlue

23 Jan

SJU13:40San Juan Luis Munoz Marin Intl

13h 15m

1 stop

LHR06:55London Heathrow

27 Jan

LHR12:20London Heathrow

15h 39m

1 stop

SJU23:59San Juan Luis Munoz Marin Intl

£450

Find similar

JetBlue

22 Jan

SJU14:00San Juan Luis Munoz Marin Intl

12h 55m

1 stop

LHR06:55London Heathrow

29 Jan

LHR07:25London Heathrow

20h 25m

1 stop

SJU23:50San Juan Luis Munoz Marin Intl

£483

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

19:01-12:05

1 stop13h 04m

London Heathrow

Sat 21/2

11:55-22:24

1 stop14h 29m

£394

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 28/1

13:58-07:20

1 stop13h 22m

London Heathrow

Mon 2/2

07:30-16:40

1 stop13h 10m

£426

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 19/2

21:25-16:35

1 stop15h 10m

London Heathrow

Sun 1/3

08:25-19:55

1 stop15h 30m

£427

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 28/1

14:15-09:10

1 stop14h 55m

London Heathrow

Mon 2/2

06:50-21:00

2 stops18h 10m

£428

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 28/1

08:10-07:10

2 stops19h 00m

London Heathrow

Mon 2/2

06:50-22:22

2 stops19h 32m

£430

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 12/2

08:05-05:55

2 stops17h 50m

London Heathrow

Thu 19/2

06:50-22:22

2 stops19h 32m

£431

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 4/3

14:24-06:50

1 stop12h 26m

London Heathrow

Tue 10/3

08:40-23:59

2 stops19h 19m

£432

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 12/2

11:52-10:00

1 stop18h 08m

London Gatwick

Thu 19/2

14:00-10:17

1 stop24h 17m

£444

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 12/2

06:00-10:00

2 stops24h 00m

London Gatwick

Thu 19/2

14:00-10:17

1 stop24h 17m

£448

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Sun 22/3

17:30-18:25

2 stops20h 55m

London City

Mon 30/3

08:25-23:59

2 stops20h 34m

£814

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 Puerto Rico to London

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

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Puerto Rico is in February. Flight prices, which tend to average around £403, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Puerto Rico averaging around £466.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £619 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Puerto Rico for as low as £474 on momondo.

Can stopping save me money on Puerto Rico to London flights?

You could potentially save up to 28% on your flight if you consider stops on a Puerto Rico to London flight.

Cheap Puerto Rico to London flight deals and tips

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

Fastest flight time	12h 25m
Direct flights	None

The fastest flight from Puerto Rico to London takes 12h 25m

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

Search flight deals

When did momondo last update prices for flights from Puerto Rico to London?
Prices for flights from Puerto Rico to London were last updated today.
How old do you have to be to fly from Puerto Rico to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.

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Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

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Hayes

Chelmsford

Dover

Worthing

Hounslow

Bedford

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Ramsgate

Folkestone

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Puerto Rico.

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

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

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

Once all potential Puerto Rico to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Puerto Rico. 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.