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

JetBlue, Aer Lingus, and United Airlines 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 25m on average. If you fly from Ponce (another popular airport in Puerto Rico) to London Heathrow Airport, then the average flight time is 12h 39m.

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.

£198 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

Round-trip

One-way

Last minute

Recent return flight deals from Puerto Rico to the United Kingdom

Enter your travel dates to find the best prices.

19:00 - 12:05

SJU

LHR

13h 05m1 stop

11:15 - 22:24

LHR

SJU

15h 09m1 stop

£392Iberia

Fri, 13 Feb - Sat, 21 Feb

19:00 - 12:05

SJU

LHR

13h 05m1 stop

11:15 - 22:24

LHR

SJU

15h 09m1 stop

£393Iberia

Fri, 13 Feb - Sat, 21 Feb

14:28 - 10:10

SJU

EDI

15h 42m2 stops

10:55 - 10:48

EDI

SJU

27h 53m2 stops

£425British Airways

Sat, 24 Jan - Tue, 10 Feb

14:15 - 12:20

SJU

EDI

18h 05m2 stops

09:25 - 00:36

EDI

SJU

19h 11m1 stop

£426Lufthansa

Sat, 24 Jan - Tue, 10 Feb

14:15 - 09:10

SJU

LHR

14h 55m1 stop

06:50 - 21:00

LHR

SJU

18h 10m2 stops

£427United Airlines

Wed, 11 Feb - Wed, 18 Feb

16:49 - 15:00

SJU

MAN

18h 11m2 stops

06:15 - 23:56

MAN

SJU

21h 41m2 stops

£428American Airlines

Wed, 14 Jan - Sat, 31 Jan

14:15 - 11:15

SJU

LHR

17h 00m2 stops

06:50 - 22:22

LHR

SJU

19h 32m2 stops

£430United Airlines

Wed, 11 Feb - Wed, 18 Feb

15:54 - 13:20

SJU

EDI

17h 26m2 stops

07:50 - 22:34

EDI

SJU

18h 44m2 stops

£432American Airlines

Tue, 3 Mar - Tue, 10 Mar

14:15 - 07:55

SJU

EDI

13h 40m1 stop

13:00 - 06:11

EDI

SJU

45h 11m2 stops

£441Lufthansa

Thu, 29 Jan - Sat, 7 Feb

21:25 - 17:40

SJU

MAN

16h 15m1 stop

08:50 - 23:56

MAN

SJU

19h 06m2 stops

£444British Airways

Wed, 14 Jan - Sat, 31 Jan

KLM flights from Puerto Rico to United Kingdom

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

KLM

25 Feb

SJU07:30San Juan Luis Munoz Marin Intl

20h 40m

2 stops

LCY08:10London City

4 Mar

LCY10:00London City

17h 56m

2 stops

SJU23:56San Juan Luis Munoz Marin Intl

£454

Find similar

KLM

1 May

SJU17:15San Juan Luis Munoz Marin Intl

15h 15m

1 stop

LHR13:30London Heathrow

12 May

LHR10:55London Heathrow

17h 48m

1 stop

SJU23:43San Juan Luis Munoz Marin Intl

£497

Find similar

KLM

17 May

SJU13:30San Juan Luis Munoz Marin Intl

12h 35m

1 stop

EDI07:05Edinburgh Turnhouse

30 May

EDI11:20Edinburgh Turnhouse

17h 23m

2 stops

SJU23:43San Juan Luis Munoz Marin Intl

£562

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

11 Feb

SJU14:15San Juan Luis Munoz Marin Intl

14h 55m

1 stop

LHR09:10London Heathrow

18 Feb

LHR06:50London Heathrow

18h 10m

2 stops

SJU21:00San Juan Luis Munoz Marin Intl

£421

Find similar

United Airlines

11 Feb

SJU14:15San Juan Luis Munoz Marin Intl

14h 55m

1 stop

LHR09:10London Heathrow

18 Feb

LHR06:50London Heathrow

18h 10m

2 stops

SJU21:00San Juan Luis Munoz Marin Intl

£427

Find similar

United Airlines

11 Feb

SJU14:15San Juan Luis Munoz Marin Intl

17h 00m

2 stops

LHR11:15London Heathrow

18 Feb

LHR06:50London Heathrow

19h 32m

2 stops

SJU22:22San Juan Luis Munoz Marin Intl

£430

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

Fri 13/2

19:00-12:05

1 stop13h 05m

London Heathrow

Sat 21/2

11:15-22:24

1 stop15h 09m

£392

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/2

19:00-12:05

1 stop13h 05m

London Heathrow

Sat 21/2

11:15-22:24

1 stop15h 09m

£393

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Sat 24/1

14:28-10:10

2 stops15h 42m

Edinburgh Turnhouse

Tue 10/2

10:55-10:48

2 stops27h 53m

£425

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Sat 24/1

14:15-12:20

2 stops18h 05m

Edinburgh Turnhouse

Tue 10/2

09:25-00:36

1 stop19h 11m

£426

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/2

14:15-09:10

1 stop14h 55m

London Heathrow

Wed 18/2

06:50-21:00

2 stops18h 10m

£427

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Wed 14/1

16:49-15:00

2 stops18h 11m

Manchester

Sat 31/1

06:15-23:56

2 stops21h 41m

£428

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 11/2

14:15-11:15

2 stops17h 00m

London Heathrow

Wed 18/2

06:50-22:22

2 stops19h 32m

£430

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Tue 3/3

15:54-13:20

2 stops17h 26m

Edinburgh Turnhouse

Tue 10/3

07:50-22:34

2 stops18h 44m

£432

San JuanEdinburgh

SJU - EDI

SJUEDI

San Juan Luis Munoz Marin Intl

Thu 29/1

14:15-07:55

1 stop13h 40m

Edinburgh Turnhouse

Sat 7/2

13:00-06:11

2 stops45h 11m

£441

San JuanManchester

SJU - MAN

SJUMAN

San Juan Luis Munoz Marin Intl

Wed 14/1

21:25-17:40

1 stop16h 15m

Manchester

Sat 31/1

08:50-23:56

2 stops19h 06m

£444

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 £403, 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 January is also very affordable. Most momondo users find prices during this month for around £466.

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 £618 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 £473 on momondo.

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

You could potentially save up to 6% 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	12h 39m
Direct flights	None

The fastest flight from Puerto Rico to United Kingdom takes 12h 39m

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.