How long is the flight from Puerto Rico to United Kingdom?

The flight from Puerto Rico to United Kingdom depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from San Juan (a popular airport in Puerto Rico) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 13h 55m on average. If you fly from Ponce (another popular airport in Puerto Rico) to London Heathrow Airport, then the average flight time is 24h 29m.

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

JetBlue is the most popular carrier operating from Puerto Rico to United Kingdom

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

Prices for flights from Puerto Rico to United Kingdom are updated daily.

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

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 Puerto Rico to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£145 Cheap Flights from Puerto Rico to the United Kingdom in 2025/26

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Find the cheapest flights from Puerto Rico to the United Kingdom

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Recent return flight deals from Puerto Rico to the United Kingdom

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16:45 - 07:05SJU-LHR

34h 20m1 stop

16:10 - 16:52LHR-SJU

28h 42m1 stop

£410Delta

Find Deal

Mon, 29 Dec - Fri, 9 Jan

07:30 - 11:40SJU-LHR

24h 10m1 stop

15:50 - 13:00LHR-SJU

25h 10m1 stop

£422Delta

Find Deal

Mon, 9 Feb - Wed, 18 Feb

14:15 - 10:30SJU-MAN

16h 15m1 stop

09:00 - 23:49MAN-SJU

18h 49m1 stop

£430Virgin Atlantic

Find Deal

Fri, 16 Jan - Mon, 19 Jan

14:10 - 10:15SJU-LHR

16h 05m1 stop

08:55 - 21:09LHR-SJU

16h 14m1 stop

£431KLM

Find Deal

Mon, 8 Dec - Mon, 22 Dec

18:27 - 16:05SJU-MAN

17h 38m2 stops

09:00 - 23:49MAN-SJU

18h 49m1 stop

£433Virgin Atlantic

Find Deal

Fri, 16 Jan - Mon, 19 Jan

02:05 - 07:10SJU-LHR

25h 05m2 stops

06:50 - 22:22LHR-SJU

19h 32m2 stops

£434United Airlines

Find Deal

Wed, 11 Feb - Tue, 17 Feb

17:55 - 16:25SJU-MAN

18h 30m2 stops

08:05 - 23:59MAN-SJU

19h 54m2 stops

£434American Airlines

Find Deal

Sat, 17 Jan - Sat, 31 Jan

15:10 - 08:45SJU-LHR

13h 35m1 stop

12:30 - 23:20LHR-SJU

14h 50m1 stop

£436KLM

Find Deal

Thu, 4 Dec - Thu, 11 Dec

02:05 - 21:20SJU-LHR

15h 15m1 stop

07:30 - 22:22LHR-SJU

18h 52m2 stops

£442United Airlines

Find Deal

Tue, 17 Feb - Fri, 27 Feb

18:15 - 12:00SJU-LHR

13h 45m1 stop

06:15 - 16:35LHR-SJU

14h 20m1 stop

£472American Airlines

Find Deal

Thu, 19 Feb - Sun, 1 Mar

KLM flights from Puerto Rico to United Kingdom

Our best KLM deals on Puerto Rico to United Kingdom flight tickets

KLM

12 Nov

SJU14:10San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR10:15London Heathrow

19 Nov

LHR08:55London Heathrow

18h 18m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£406

Find similar

KLM

17 Nov

SJU14:10San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR10:15London Heathrow

27 Nov

LHR08:55London Heathrow

18h 18m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£412

Find similar

KLM

8 Dec

SJU14:10San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR10:15London Heathrow

22 Dec

LHR08:55London Heathrow

16h 14m

1 stop

SJU21:09San Juan Luis Munoz Marin Intl

£431

Find similar

United Airlines flights from Puerto Rico to United Kingdom

Our best United Airlines deals on Puerto Rico to United Kingdom flight tickets

United Airlines

12 Nov

SJU08:30San Juan Luis Munoz Marin Intl

20h 50m

2 stops

LHR09:20London Heathrow

19 Nov

LHR06:50London Heathrow

19h 32m

2 stops

SJU22:22San Juan Luis Munoz Marin Intl

£429

Find similar

United Airlines

11 Feb

SJU02:05San Juan Luis Munoz Marin Intl

25h 05m

2 stops

LHR07:10London Heathrow

17 Feb

LHR06:50London Heathrow

19h 32m

2 stops

SJU22:22San Juan Luis Munoz Marin Intl

£434

Find similar

United Airlines

16 Nov

SJU08:10San Juan Luis Munoz Marin Intl

17h 45m

1 stop

LHR05:55London Heathrow

25 Nov

LHR09:30London Heathrow

19h 06m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£436

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 29/12

16:45-07:05

1 stop34h 20m

London Heathrow

Fri 9/1

16:10-16:52

1 stop28h 42m

£410

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 9/2

07:30-11:40

1 stop24h 10m

London Heathrow

Wed 18/2

15:50-13:00

1 stop25h 10m

£422

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Fri 16/1

14:15-10:30

1 stop16h 15m

Manchester

Mon 19/1

09:00-23:49

1 stop18h 49m

£430

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 8/12

14:10-10:15

1 stop16h 05m

London Heathrow

Mon 22/12

08:55-21:09

1 stop16h 14m

£431

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Fri 16/1

18:27-16:05

2 stops17h 38m

Manchester

Mon 19/1

09:00-23:49

1 stop18h 49m

£433

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/2

02:05-07:10

2 stops25h 05m

London Heathrow

Tue 17/2

06:50-22:22

2 stops19h 32m

£434

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Sat 17/1

17:55-16:25

2 stops18h 30m

Manchester

Sat 31/1

08:05-23:59

2 stops19h 54m

£434

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 4/12

15:10-08:45

1 stop13h 35m

London Heathrow

Thu 11/12

12:30-23:20

1 stop14h 50m

£436

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 17/2

02:05-21:20

1 stop15h 15m

London Heathrow

Fri 27/2

07:30-22:22

2 stops18h 52m

£442

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 19/2

18:15-12:00

1 stop13h 45m

London Heathrow

Sun 1/3

06:15-16:35

1 stop14h 20m

£472

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 United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Puerto Rico is in February. Flight prices, which tend to average around £449, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Puerto Rico during the month October is also very affordable. Most momondo users find prices during this month for around £501.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Puerto Rico to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £502. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to United Kingdom for around £804.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £502. Try not to purchase tickets in the morning because they tend to be around £869. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £637 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Puerto Rico for as low as £485 on momondo.

Can stopping save me money on Puerto Rico to United Kingdom flights?

You could potentially save up to 8% on your flight if you consider stops on a Puerto Rico to United Kingdom flight.

Cheap Puerto Rico to United Kingdom flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Puerto Rico to United Kingdom?
Prices for flights from Puerto Rico to United Kingdom are updated daily.
How old do you have to be to fly from Puerto Rico to United Kingdom?
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 Puerto Rico to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to United Kingdom from Puerto Rico is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

Yes. All flights to United Kingdom from Puerto Rico on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from Puerto Rico.

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

Price alerts on flights to United Kingdom from Puerto Rico are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.