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

American Airlines, United Airlines, and Delta are the most popular carriers operating from Puerto Rico to United Kingdom

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 12h 24m on average. If you fly from Ponce (another popular airport in Puerto Rico) to London Heathrow Airport, then the average flight time is 26h 14m.

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.

£203 Cheap Flights from Puerto Rico to the United Kingdom in 2026

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Find the cheapest flights from Puerto Rico to the United Kingdom

Return

One-way

Last minute

Recent return flight deals from Puerto Rico to the United Kingdom

Enter your travel dates to find the best prices.

07:00 - 09:00

SJU

LHR

22h 00m

1 stop

12:30 - 23:13

LHR

SJU

14h 43m

1 stop

£321Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

15:35 - 11:40

SJU

LHR

16h 05m

1 stop

08:55 - 23:13

LHR

SJU

18h 18m

1 stop

£376Virgin Atlantic

Sat, 21 Nov - Mon, 30 Nov

07:35 - 06:45

SJU

LHR

18h 10m

1 stop

18:35 - 16:38

LHR

SJU

27h 03m

1 stop

£501Virgin Atlantic

Fri, 17 Jul - Tue, 21 Jul

08:39 - 11:40

BQN

EDI

22h 01m

2 stops

09:15 - 07:49

EDI

BQN

27h 34m

2 stops

£515Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

15:46 - 07:40

SJU

LHR

35h 54m

1 stop

06:50 - 11:50

LHR

SJU

33h 00m

2 stops

£523United Airlines

Tue, 10 Nov - Fri, 13 Nov

15:46 - 07:40

SJU

LHR

35h 54m

1 stop

06:50 - 11:50

LHR

SJU

33h 00m

2 stops

£524United Airlines

Tue, 10 Nov - Fri, 13 Nov

18:42 - 12:05

SJU

LHR

13h 23m

1 stop

06:15 - 16:40

LHR

SJU

14h 25m

1 stop

£538Iberia

Mon, 16 Nov - Thu, 26 Nov

14:30 - 09:35

SJU

LGW

14h 05m

1 stop

12:20 - 23:54

LGW

SJU

16h 34m

1 stop

£607JetBlue

Thu, 20 Aug - Wed, 2 Sep

03:10 - 10:00

SJU

LGW

25h 50m

1 stop

14:00 - 14:16

LGW

SJU

29h 16m

2 stops

£607Multiple Airlines

Sat, 8 Aug - Tue, 25 Aug

21:35 - 19:00

SJU

LGW

17h 25m

1 stop

11:45 - 20:00

LGW

SJU

12h 15m

1 stop

£610Iberia

Wed, 11 Nov - Tue, 24 Nov

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Virgin Atlantic flights from Puerto Rico to United Kingdom

Our best Virgin Atlantic deals on Puerto Rico to United Kingdom flight tickets

Virgin Atlantic

16 Nov

SJU07:00San Juan Luis Munoz Marin Intl

22h 00m

1 stop

LHR09:00London Heathrow

20 Nov

LHR12:30London Heathrow

14h 43m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£321

Virgin Atlantic

21 Nov

SJU15:35San Juan Luis Munoz Marin Intl

16h 05m

1 stop

LHR11:40London Heathrow

30 Nov

LHR08:55London Heathrow

18h 18m

1 stop

SJU23:13San Juan Luis Munoz Marin Intl

£376

Virgin Atlantic

17 Jul

SJU07:35San Juan Luis Munoz Marin Intl

18h 10m

1 stop

LHR06:45London Heathrow

21 Jul

LHR18:35London Heathrow

27h 03m

1 stop

SJU16:38San Juan Luis Munoz Marin Intl

£501

Iberia flights from Puerto Rico to United Kingdom

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

Iberia

16 Nov

SJU18:42San Juan Luis Munoz Marin Intl

13h 23m

1 stop

LHR12:05London Heathrow

26 Nov

LHR06:15London Heathrow

14h 25m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

£538

Iberia

11 Nov

SJU16:37San Juan Luis Munoz Marin Intl

15h 28m

1 stop

LHR12:05London Heathrow

24 Nov

LHR07:30London Heathrow

13h 10m

1 stop

SJU16:40San Juan Luis Munoz Marin Intl

£609

Iberia

11 Nov

SJU21:35San Juan Luis Munoz Marin Intl

17h 25m

1 stop

LGW19:00London Gatwick

24 Nov

LGW11:45London Gatwick

12h 15m

1 stop

SJU20:00San Juan Luis Munoz Marin Intl

£610

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

Cheapest return flight

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:00-09:00

1 stop22h 00m

London Heathrow

Fri 20/11

12:30-23:13

1 stop14h 43m

£321

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 21/11

15:35-11:40

1 stop16h 05m

London Heathrow

Mon 30/11

08:55-23:13

1 stop18h 18m

£376

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 17/7

07:35-06:45

1 stop18h 10m

London Heathrow

Tue 21/7

18:35-16:38

1 stop27h 03m

£501

AguadillaEdinburgh

BQN - EDI

BQNEDI

Aguadilla Borinquen

Wed 12/8

08:39-11:40

2 stops22h 01m

Edinburgh Turnhouse

Wed 19/8

09:15-07:49

2 stops27h 34m

£515

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 10/11

15:46-07:40

1 stop35h 54m

London Heathrow

Fri 13/11

06:50-11:50

2 stops33h 00m

£523

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 10/11

15:46-07:40

1 stop35h 54m

London Heathrow

Fri 13/11

06:50-11:50

2 stops33h 00m

£524

Fastest return journey

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:42-12:05

1 stop13h 23m

London Heathrow

Thu 26/11

06:15-16:40

1 stop14h 25m

£538

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Thu 20/8

14:30-09:35

1 stop14h 05m

London Gatwick

Wed 2/9

12:20-23:54

1 stop16h 34m

£607

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sat 8/8

03:10-10:00

1 stop25h 50m

London Gatwick

Tue 25/8

14:00-14:16

2 stops29h 16m

£607

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 11/11

21:35-19:00

1 stop17h 25m

London Gatwick

Tue 24/11

11:45-20:00

1 stop12h 15m

£610

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 October. Flight prices, which tend to average around £76, 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 October, then departing from Puerto Rico during the month September is also very affordable. Most momondo users find prices during this month for around £76.

How far in advance should I book a flight from Puerto Rico to the 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 £660 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 £521 on momondo.

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

You could potentially save up to 10% 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

Fastest flight time	11h 43m
Direct flights	None

The fastest flight from Puerto Rico to United Kingdom takes 11h 43m

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

Frequently asked questions about flying from Puerto Rico to the 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.

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.