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

Virgin Atlantic, Air Canada, and JetBlue 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 21h 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.

£201 Cheap Flights from Puerto Rico to the United Kingdom in 2026/27

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.

02:05 - 21:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 15m1 stop Newark

06:50 - 22:22LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

19h 32m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£515United Airlines

Tue, 3 Nov - Thu, 5 Nov

01:05 - 09:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

28h 15m2 stops Newark Ottawa

17:30 - 21:22LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

31h 52m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

£524United Airlines

Wed, 28 Oct - Fri, 30 Oct

02:05 - 07:10SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

25h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl

09:30 - 00:36LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

19h 06m2 stops Frankfurt am Main Newark

£526United Airlines

Fri, 13 Nov - Sun, 15 Nov

21:35 - 21:05SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

19h 30m1 stop Madrid Barajas

08:15 - 20:00EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

15h 45m1 stop Madrid Barajas

£529Multiple Airlines

Wed, 10 Feb - Wed, 17 Feb

02:05 - 11:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

29h 10m2 stops Newark Zurich

16:20 - 13:32LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

25h 12m2 stops Washington, D.C. Dulles Intl Newark

£534United Airlines

Tue, 3 Nov - Thu, 5 Nov

08:05 - 12:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

24h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

15:10 - 13:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

26h 05m2 stops Newark Washington, D.C. Dulles Intl

£541United Airlines

Sun, 8 Nov - Mon, 9 Nov

18:55 - 11:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 45m1 stop Miami

10:45 - 20:00LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

13h 15m1 stop Madrid Barajas

£545Iberia

Mon, 16 Nov - Fri, 20 Nov

07:00 - 06:25SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

19h 25m1 stop Atlanta Hartsfield-Jackson

06:30 - 23:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£549Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

21:35 - 16:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

14h 30m1 stop Madrid Barajas

11:15 - 22:35LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

15h 20m1 stop Miami

£562Iberia

Thu, 26 Nov - Thu, 3 Dec

21:35 - 16:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

14h 30m1 stop Madrid Barajas

11:15 - 22:35LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

15h 20m1 stop Miami

£563Iberia

Thu, 26 Nov - Thu, 3 Dec

Recent last minute flight deals from Puerto Rico to the United Kingdom

Enter your travel dates to find the best prices.

16:55 - 16:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

18h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

09:30 - 12:34LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

32h 04m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl

£561United Airlines

Fri, 2 Oct - Sun, 4 Oct

16:55 - 18:40SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

20h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

07:45 - 11:57LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

33h 12m1 stop Newark

£610United Airlines

Fri, 2 Oct - Sun, 4 Oct

13:16 - 08:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

14h 34m1 stop New York John F Kennedy Intl

17:45 - 12:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 18m1 stop New York John F Kennedy Intl

£632Delta

Fri, 2 Oct - Sun, 4 Oct

13:16 - 06:45SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 29m1 stop New York John F Kennedy Intl

17:45 - 12:03LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 18m1 stop New York John F Kennedy Intl

£633Virgin Atlantic

Fri, 2 Oct - Sun, 4 Oct

10:30 - 09:20SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

17h 50m1 stop New York John F Kennedy Intl

12:10 - 13:39EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

30h 29m1 stop New York John F Kennedy Intl

£839JetBlue

Thu, 1 Oct - Sat, 3 Oct

11:51 - 08:30SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

15h 39m2 stops Miami New York John F Kennedy Intl

10:30 - 09:46EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

28h 16m2 stops New York John F Kennedy Intl Miami

£862American Airlines

Fri, 2 Oct - Sun, 4 Oct

12:57 - 09:20SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

15h 23m1 stop New York John F Kennedy Intl

12:10 - 16:12EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

33h 02m1 stop New York John F Kennedy Intl

£880JetBlue

Thu, 1 Oct - Sat, 3 Oct

01:00 - 08:05SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

26h 05m1 stop Newark

11:30 - 12:34EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

30h 04m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

£898United Airlines

Thu, 1 Oct - Sun, 4 Oct

11:15 - 08:00SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

39h 45m2 stops Orlando Dublin

20:30 - 19:33EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

52h 03m2 stops Dublin New York John F Kennedy Intl

£906Aer Lingus

Thu, 1 Oct - Sat, 3 Oct

07:00 - 07:05SJU San Juan Luis Munoz Marin Intl-EDI Edinburgh Turnhouse

19h 05m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

14:05 - 23:49EDI Edinburgh Turnhouse-SJU San Juan Luis Munoz Marin Intl

14h 44m1 stop New York John F Kennedy Intl

£1,046KLM

Thu, 1 Oct - Sat, 3 Oct

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Delta flights from Puerto Rico to United Kingdom

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

Delta

11 Nov

SJU07:00San Juan Luis Munoz Marin Intl

21h 05m

1 stop

LHR08:05London Heathrow

24 Nov

LHR08:55London Heathrow

18h 20m

1 stop

SJU23:15San Juan Luis Munoz Marin Intl

£544

Delta

11 Nov

SJU07:00San Juan Luis Munoz Marin Intl

20h 05m

2 stops

LHR07:05London Heathrow

24 Nov

LHR08:55London Heathrow

18h 20m

1 stop

SJU23:15San Juan Luis Munoz Marin Intl

£547

Delta

17 Nov

SJU07:00San Juan Luis Munoz Marin Intl

19h 20m

1 stop

LHR06:20London Heathrow

27 Nov

LHR10:50London Heathrow

16h 25m

1 stop

SJU23:15San Juan Luis Munoz Marin Intl

£632

Iberia flights from Puerto Rico to United Kingdom

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

Iberia

16 Nov

SJU18:55San Juan Luis Munoz Marin Intl

12h 45m

1 stop

LHR11:40London Heathrow

20 Nov

LHR10:45London Heathrow

13h 15m

1 stop

SJU20:00San Juan Luis Munoz Marin Intl

£545

Iberia

26 Nov

SJU21:35San Juan Luis Munoz Marin Intl

14h 30m

1 stop

LHR16:05London Heathrow

3 Dec

LHR11:15London Heathrow

15h 20m

1 stop

SJU22:35San Juan Luis Munoz Marin Intl

£562

Iberia

26 Nov

SJU21:35San Juan Luis Munoz Marin Intl

14h 30m

1 stop

LHR16:05London Heathrow

3 Dec

LHR11:15London Heathrow

15h 20m

1 stop

SJU22:35San Juan Luis Munoz Marin Intl

£563

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 San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 3/11

02:05-21:20

1 stop15h 15m

London Heathrow

Thu 5/11

06:50-22:22

2 stops19h 32m

£515

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Wed 28/10

01:05-09:20

2 stops28h 15m

London Heathrow

Fri 30/10

17:30-21:22

2 stops31h 52m

£524

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Fri 13/11

02:05-07:10

2 stops25h 05m

London Heathrow

Sun 15/11

09:30-00:36

2 stops19h 06m

£526

San JuanEdinburgh

SJU San Juan Luis Munoz Marin Intl - EDI Edinburgh Turnhouse

SJUEDI

San Juan Luis Munoz Marin Intl

Wed 10/2

21:35-21:05

1 stop19h 30m

Edinburgh Turnhouse

Wed 17/2

08:15-20:00

1 stop15h 45m

£529

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 3/11

02:05-11:15

2 stops29h 10m

London Heathrow

Thu 5/11

16:20-13:32

2 stops25h 12m

£534

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Sun 8/11

08:05-12:50

2 stops24h 45m

London Heathrow

Mon 9/11

15:10-13:15

2 stops26h 05m

£541

Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-11:40

1 stop12h 45m

London Heathrow

Fri 20/11

10:45-20:00

1 stop13h 15m

£545

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

07:00-06:25

1 stop19h 25m

London Heathrow

Fri 20/11

06:30-23:15

2 stops20h 45m

£549

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

21:35-16:05

1 stop14h 30m

London Heathrow

Thu 3/12

11:15-22:35

1 stop15h 20m

£562

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

21:35-16:05

1 stop14h 30m

London Heathrow

Thu 3/12

11:15-22:35

1 stop15h 20m

£563

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 £486, 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 £493.

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 £699 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 £550 on momondo.

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

You could potentially save up to 50% 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

Best price found	£201
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to United Kingdom from Puerto Rico in the past 72 hours is £201. The best return flight deal from Puerto Rico to United Kingdom found on momondo in the last 72 hours is £515.

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

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.