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

KLM, Delta, and United Airlines are the most popular carriers operating from Puerto Rico to London Heathrow

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Puerto Rico, such as San Juan or Ponce, and flying into London Heathrow Airport, then you can expect flight times to average 12h 25m and 16h 35m, respectively.

When did momondo last update prices for flights from Puerto Rico to London Heathrow Airport?

Prices for flights from Puerto Rico to London Heathrow Airport were last updated today.

How old do you have to be to fly from Puerto Rico to London Heathrow Airport?

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 Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport 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.

£198 Cheap Flights from Puerto Rico to London Heathrow Airport in 2026/27

Find the cheapest flights from Puerto Rico to London

Return

One-way

Last minute

Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

14:52 - 09:10SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

14h 18m1 stop Newark

06:50 - 21:00LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

18h 10m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£522United Airlines

Fri, 4 Dec - Sun, 6 Dec

16:55 - 07:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

35h 00m1 stop Chicago O'Hare Intl

06:50 - 13:32LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

34h 42m2 stops Brussels Bruxelles-National Newark

£522United Airlines

Tue, 1 Dec - Fri, 4 Dec

16:55 - 07:55SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

35h 00m1 stop Chicago O'Hare Intl

06:50 - 13:32LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

34h 42m2 stops Brussels Bruxelles-National Newark

£535United Airlines

Mon, 1 Feb - Thu, 4 Feb

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£549Avianca

Thu, 24 Dec - Wed, 30 Dec

12:50 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

21h 45m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£550Avianca

Thu, 26 Nov - Thu, 3 Dec

12:50 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

21h 45m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£550Avianca

Thu, 26 Nov - Thu, 3 Dec

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£550Avianca

Thu, 24 Dec - Wed, 30 Dec

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 11:25LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 50m1 stop Bogotá El Dorado

£550Avianca

Tue, 1 Dec - Fri, 4 Dec

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 11:25LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 50m1 stop Bogotá El Dorado

£550Avianca

Thu, 26 Nov - Mon, 30 Nov

07:30 - 11:20SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

22h 50m1 stop Atlanta Hartsfield-Jackson

06:15 - 23:19LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

22h 04m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

£559Virgin Atlantic

Mon, 29 Mar - Mon, 5 Apr

Recent last minute flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£550Avianca

Mon, 16 Nov - Fri, 20 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 11:25LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

17h 50m1 stop Bogotá El Dorado

£550Avianca

Tue, 17 Nov - Fri, 27 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£551Avianca

Wed, 18 Nov - Tue, 24 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£558Avianca

Tue, 17 Nov - Fri, 27 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£559Avianca

Tue, 17 Nov - Fri, 27 Nov

18:20 - 14:35SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

16h 15m1 stop Bogotá El Dorado

21:35 - 16:55LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

23h 20m1 stop Bogotá El Dorado

£585Avianca

Mon, 16 Nov - Fri, 20 Nov

17:50 - 10:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 00m1 stop Washington, D.C. Dulles Intl

06:50 - 00:36LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 46m2 stops Brussels Bruxelles-National Newark

£612United Airlines

Mon, 16 Nov - Fri, 20 Nov

17:50 - 10:50SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

13h 00m1 stop Washington, D.C. Dulles Intl

06:50 - 00:36LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 46m2 stops Brussels Bruxelles-National Newark

£613United Airlines

Mon, 16 Nov - Fri, 20 Nov

16:55 - 12:00SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 05m1 stop Chicago O'Hare Intl

06:50 - 00:36LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

21h 46m2 stops Brussels Bruxelles-National Newark

£613United Airlines

Mon, 16 Nov - Fri, 20 Nov

13:52 - 09:00SJU San Juan Luis Munoz Marin Intl-LHR London Heathrow

15h 08m1 stop Atlanta Hartsfield-Jackson

08:55 - 23:15LHR London Heathrow-SJU San Juan Luis Munoz Marin Intl

18h 20m1 stop Atlanta Hartsfield-Jackson

£631Virgin Atlantic

Mon, 16 Nov - Fri, 20 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Avianca flights from Puerto Rico to London Heathrow Airport

Our best Avianca deals on Puerto Rico to London Heathrow Airport flight tickets

Avianca

24 Dec

SJU18:20San Juan Luis Munoz Marin Intl

16h 15m

1 stop

LHR14:35London Heathrow

30 Dec

LHR21:35London Heathrow

23h 20m

1 stop

SJU16:55San Juan Luis Munoz Marin Intl

£549

Avianca

26 Nov

SJU12:50San Juan Luis Munoz Marin Intl

21h 45m

1 stop

LHR14:35London Heathrow

3 Dec

LHR21:35London Heathrow

23h 20m

1 stop

SJU16:55San Juan Luis Munoz Marin Intl

£550

Avianca

26 Nov

SJU12:50San Juan Luis Munoz Marin Intl

21h 45m

1 stop

LHR14:35London Heathrow

3 Dec

LHR21:35London Heathrow

23h 20m

1 stop

SJU16:55San Juan Luis Munoz Marin Intl

£550

Virgin Atlantic flights from Puerto Rico to London Heathrow Airport

Our best Virgin Atlantic deals on Puerto Rico to London Heathrow Airport flight tickets

Virgin Atlantic

26 Nov

SJU16:20San Juan Luis Munoz Marin Intl

15h 20m

1 stop

LHR11:40London Heathrow

3 Dec

LHR06:20London Heathrow

20h 53m

2 stops

SJU23:13San Juan Luis Munoz Marin Intl

£581

Virgin Atlantic

26 Nov

SJU16:20San Juan Luis Munoz Marin Intl

15h 20m

1 stop

LHR11:40London Heathrow

3 Dec

LHR06:20London Heathrow

20h 53m

2 stops

SJU23:13San Juan Luis Munoz Marin Intl

£581

Virgin Atlantic

26 Nov

SJU16:20San Juan Luis Munoz Marin Intl

15h 20m

1 stop

LHR11:40London Heathrow

3 Dec

LHR06:20London Heathrow

20h 53m

2 stops

SJU23:13San Juan Luis Munoz Marin Intl

£606

momondo Fare Finder

Use the filters below to find and compare flights from Puerto Rico to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Fri 4/12

14:52-09:10

1 stop14h 18m

London Heathrow

Sun 6/12

06:50-21:00

2 stops18h 10m

£522

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 1/12

16:55-07:55

1 stop35h 00m

London Heathrow

Fri 4/12

06:50-13:32

2 stops34h 42m

£522

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 1/2

16:55-07:55

1 stop35h 00m

London Heathrow

Thu 4/2

06:50-13:32

2 stops34h 42m

£535

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 24/12

18:20-14:35

1 stop16h 15m

London Heathrow

Wed 30/12

21:35-16:55

1 stop23h 20m

£549

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

12:50-14:35

1 stop21h 45m

London Heathrow

Thu 3/12

21:35-16:55

1 stop23h 20m

£550

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

12:50-14:35

1 stop21h 45m

London Heathrow

Thu 3/12

21:35-16:55

1 stop23h 20m

£550

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 24/12

18:20-14:35

1 stop16h 15m

London Heathrow

Wed 30/12

21:35-16:55

1 stop23h 20m

£550

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Tue 1/12

18:20-14:35

1 stop16h 15m

London Heathrow

Fri 4/12

21:35-11:25

1 stop17h 50m

£550

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Thu 26/11

18:20-14:35

1 stop16h 15m

London Heathrow

Mon 30/11

21:35-11:25

1 stop17h 50m

£550

San JuanLondon

SJU San Juan Luis Munoz Marin Intl - LHR London Heathrow

SJULHR

San Juan Luis Munoz Marin Intl

Mon 29/3

07:30-11:20

1 stop22h 50m

London Heathrow

Mon 5/4

06:15-23:19

2 stops22h 04m

£559

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 Heathrow Airport

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 Heathrow Airport?

In general, February is the cheapest month to fly from Puerto Rico to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £593. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Puerto Rico averaging around £598.

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

You are more likely to see cheaper flights to London Heathrow Airport from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £708 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Puerto Rico for as low as £551 on momondo.

Cheap Puerto Rico to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to London Heathrow Airport

Best price found	£198
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to London Heathrow Airport from Puerto Rico in the past 72 hours is £198. The best return flight deal from Puerto Rico to London Heathrow Airport found on momondo in the last 72 hours is £522.

The fastest flight from Puerto Rico to London Heathrow Airport takes 12h 25m

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

Search flight deals

Frequently asked questions about flying from Puerto Rico to London Heathrow Airport

When did momondo last update prices for flights from Puerto Rico to London Heathrow Airport?
Prices for flights from Puerto Rico to London Heathrow Airport were last updated today.
How old do you have to be to fly from Puerto Rico to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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

Stratford-upon-Avon

Southend-on-Sea

Northampton

Luton

Ipswich

Slough

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Salisbury

Poole

Colchester

Chichester

Why use momondo?

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

It is quick and easy to find Puerto Rico to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for Puerto Rico to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Puerto Rico and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Puerto Rico and alert you when they change.