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

JetBlue, Delta, and United Airlines 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 San Juan and flying into London Heathrow Airport (one of the most popular routes), then the duration is 12h 28m on average. Another popular route from Puerto Rico to London is flying from Ponce to London Heathrow Airport, which will take roughly 24h 07m. 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.

£203 Cheap Flights from Puerto Rico to London in 2026

Find the cheapest flights from Puerto Rico to London

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Recent return flight deals from Puerto Rico to London

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02:58 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

26h 02m1 stop Orlando

11:00 - 02:50LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

19h 50m1 stop Orlando

£452Multiple Airlines

Sun, 18 Oct - Thu, 5 Nov

07:00 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

22h 00m1 stop Orlando

11:00 - 02:50LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

19h 50m1 stop Orlando

£452Multiple Airlines

Tue, 20 Oct - Thu, 5 Nov

07:15 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

21h 45m2 stops Philadelphia Orlando

11:00 - 18:37LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

35h 37m1 stop Orlando

£475Multiple Airlines

Tue, 20 Oct - Thu, 5 Nov

08:55 - 13:30PSE Ponce Mercedita-LHR London Heathrow

23h 35m2 stops Orlando Dublin

07:40 - 08:01LHR London Heathrow-PSE Ponce Mercedita

29h 21m2 stops Dublin Orlando

£495Multiple Airlines

Tue, 15 Sep - Tue, 22 Sep

06:05 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

22h 55m1 stop Orlando

12:35 - 02:50LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

18h 15m1 stop Orlando

£515Multiple Airlines

Sat, 24 Oct - Fri, 6 Nov

20:25 - 23:05SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

21h 40m1 stop Madrid Barajas

08:05 - 20:00LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

15h 55m1 stop Madrid Barajas

£566Multiple Airlines

Thu, 15 Oct - Fri, 30 Oct

18:55 - 12:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 10m1 stop Miami

11:15 - 22:29LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

15h 14m1 stop Miami

£576Iberia

Mon, 16 Nov - Fri, 20 Nov

18:55 - 12:05SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 10m1 stop Miami

11:15 - 22:29LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

15h 14m1 stop Miami

£577Iberia

Mon, 16 Nov - Fri, 20 Nov

03:10 - 10:00SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

25h 50m1 stop Orlando

14:00 - 08:11LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

23h 11m1 stop Orlando

£581Multiple Airlines

Sat, 22 Aug - Sat, 5 Sep

15:17 - 08:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

12h 58m1 stop Miami

11:15 - 21:38LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

14h 23m1 stop Miami

£589Iberia

Thu, 26 Nov - Thu, 3 Dec

Recent last minute flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

20:50 - 19:10SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

17h 20m1 stop Madrid Barajas

10:50 - 19:05LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

13h 15m1 stop Madrid Barajas

£608Iberia

Sat, 15 Aug - Sat, 22 Aug

17:50 - 10:50SJU San Juan Luis Munoz Marin Intl-LGW London Gatwick

12h 00m1 stop Madrid Barajas

11:30 - 18:50LGW London Gatwick-SJU San Juan Luis Munoz Marin Intl

12h 20m1 stop Madrid Barajas

£666Iberia

Fri, 14 Aug - Fri, 28 Aug

17:50 - 16:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

17h 30m1 stop Madrid Barajas

06:15 - 18:50LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 35m1 stop Madrid Barajas

£666Iberia

Fri, 14 Aug - Fri, 28 Aug

17:15 - 16:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

18h 05m1 stop Madrid Barajas

06:15 - 18:50LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 35m1 stop Madrid Barajas

£666Iberia

Sun, 16 Aug - Fri, 28 Aug

01:00 - 21:25SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 25m1 stop Newark

06:50 - 23:50LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

22h 00m2 stops Brussels Bruxelles-National Newark

£674United Airlines

Thu, 13 Aug - Fri, 28 Aug

01:00 - 21:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 20m1 stop Newark

14:05 - 13:45LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Newark

£699United Airlines

Sat, 15 Aug - Fri, 28 Aug

20:50 - 14:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 05m1 stop Madrid Barajas

06:15 - 21:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 40m2 stops Madrid Barajas Miami

£704Iberia

Sat, 15 Aug - Sat, 22 Aug

20:45 - 18:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 30m1 stop Madrid Barajas

10:50 - 19:10LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

13h 20m1 stop Madrid Barajas

£712Iberia

Tue, 18 Aug - Tue, 25 Aug

14:59 - 13:15SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

17h 16m1 stop Atlanta Hartsfield-Jackson

09:55 - 22:29LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£720Multiple Airlines

Sun, 16 Aug - Fri, 28 Aug

06:00 - 06:30SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

19h 30m1 stop Boston Logan Intl

08:15 - 00:13LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

20h 58m1 stop New York John F Kennedy Intl

£723JetBlue

Sun, 16 Aug - Fri, 28 Aug

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Iberia flights from Puerto Rico to London

Our best Iberia deals on Puerto Rico to London flight tickets

Iberia

16 Nov

SJU18:55San Juan Luis Munoz Marin Intl

13h 10m

1 stop

LHR12:05London Heathrow

20 Nov

LHR11:15London Heathrow

15h 14m

1 stop

SJU22:29San Juan Luis Munoz Marin Intl

£576

Iberia

16 Nov

SJU18:55San Juan Luis Munoz Marin Intl

13h 10m

1 stop

LHR12:05London Heathrow

20 Nov

LHR11:15London Heathrow

15h 14m

1 stop

SJU22:29San Juan Luis Munoz Marin Intl

£577

Iberia

26 Nov

SJU15:17San Juan Luis Munoz Marin Intl

12h 58m

1 stop

LHR08:15London Heathrow

3 Dec

LHR11:15London Heathrow

14h 23m

1 stop

SJU21:38San Juan Luis Munoz Marin Intl

£589

United Airlines flights from Puerto Rico to London

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

United Airlines

16 Nov

SJU17:50San Juan Luis Munoz Marin Intl

13h 00m

1 stop

LHR10:50London Heathrow

20 Nov

LHR06:50London Heathrow

21h 46m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£602

United Airlines

16 Nov

SJU17:50San Juan Luis Munoz Marin Intl

13h 00m

1 stop

LHR10:50London Heathrow

20 Nov

LHR06:50London Heathrow

21h 46m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£603

United Airlines

11 Nov

SJU13:00San Juan Luis Munoz Marin Intl

16h 10m

1 stop

LHR09:10London Heathrow

24 Nov

LHR06:50London Heathrow

21h 46m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£609

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Sun 18/10

02:58-10:00

1 stop26h 02m

London Gatwick

Thu 5/11

11:00-02:50

1 stop19h 50m

£452

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Tue 20/10

07:00-10:00

1 stop22h 00m

London Gatwick

Thu 5/11

11:00-02:50

1 stop19h 50m

£452

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Tue 20/10

07:15-10:00

2 stops21h 45m

London Gatwick

Thu 5/11

11:00-18:37

1 stop35h 37m

£475

PonceLondon

PSE Ponce Mercedita - LHR London Heathrow

PSELHR

Ponce Mercedita

Tue 15/9

08:55-13:30

2 stops23h 35m

London Heathrow

Tue 22/9

07:40-08:01

2 stops29h 21m

£495

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Sat 24/10

06:05-10:00

1 stop22h 55m

London Gatwick

Fri 6/11

12:35-02:50

1 stop18h 15m

£515

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Thu 15/10

20:25-23:05

1 stop21h 40m

London Gatwick

Fri 30/10

08:05-20:00

1 stop15h 55m

£566

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

11:15-22:29

1 stop15h 14m

£576

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 16/11

18:55-12:05

1 stop13h 10m

London Heathrow

Fri 20/11

11:15-22:29

1 stop15h 14m

£577

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LGW London Gatwick

SJULGW

San Juan Luis Munoz Marin Intl

Sat 22/8

03:10-10:00

1 stop25h 50m

London Gatwick

Sat 5/9

14:00-08:11

1 stop23h 11m

£581

Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

15:17-08:15

1 stop12h 58m

London Heathrow

Thu 3/12

11:15-21:38

1 stop14h 23m

£589

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 January. Flight prices, which tend to average around £463, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Puerto Rico averaging around £469.

How far in advance should I book a flight from Puerto Rico 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 £677 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 £549 on momondo.

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

You could potentially save up to 35% 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 00m
Direct flights	None

The fastest flight from Puerto Rico to London takes 12h 00m

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

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Frequently asked questions about flying from Puerto Rico to London

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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Hastings

Canterbury

Chichester

Hayes

Guildford

Bedford

Harlow

Colchester

Chelmsford

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.

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Cheap flights from Puerto Rico to London from £203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to London departing on 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Recent return flight deals from Puerto Rico to London

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Iberia flights from Puerto Rico to London

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How to get the cheapest flight ticket from Puerto Rico to London

What is the cheapest month to fly to London?

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

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

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

How long does it take to fly to London?

Cheap Puerto Rico to London flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Puerto Rico to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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