£242 Find Cheap Flights from Puerto Rico to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to London, as well as popular online travel agencies
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Booking Insights
Flight Deals

Cheap Flights from Puerto Rico to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Puerto Rico to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Puerto Rico to Heathrow

Wed, 22 Apr - Wed, 29 Apr
Virgin Atlantic Logo
07:15 - 06:20
SJU
-
LHR
18h 05m
1 stop
Virgin Atlantic Logo
11:45 - 23:59
LHR
-
SJU
17h 14m
1 stop
£528Virgin Atlantic
Tue, 5 May - Wed, 13 May
Iberia Logo
13:31 - 09:00
SJU
-
LHR
14h 29m
1 stop
Iberia Logo
15:35 - 09:13
LHR
-
SJU
22h 38m
1 stop
£567Iberia
Wed, 22 Apr - Wed, 29 Apr
Virgin Atlantic Logo
07:15 - 06:20
SJU
-
LHR
18h 05m
1 stop
Virgin Atlantic Logo
12:50 - 23:59
LHR
-
SJU
16h 09m
1 stop
£573Virgin Atlantic
Thu, 23 Apr - Sat, 9 May
JetBlue Logo
19:58 - 20:45
SJU
-
LHR
19h 47m
1 stop
JetBlue Logo
08:15 - 21:01
LHR
-
SJU
17h 46m
1 stop
£588JetBlue
Thu, 23 Apr - Thu, 30 Apr
JetBlue Logo
07:25 - 09:30
SJU
-
LHR
21h 05m
1 stop
JetBlue Logo
11:55 - 02:07
LHR
-
SJU
19h 12m
1 stop
£590JetBlue
Mon, 27 Apr - Wed, 13 May
JetBlue Logo
21:00 - 20:45
SJU
-
LHR
18h 45m
1 stop
JetBlue Logo
11:55 - 21:01
LHR
-
SJU
14h 06m
1 stop
£591JetBlue
Thu, 23 Apr - Sat, 9 May
JetBlue Logo
15:00 - 09:30
SJU
-
LHR
13h 30m
1 stop
JetBlue Logo
08:15 - 00:07
LHR
-
SJU
20h 52m
1 stop
£592JetBlue
Thu, 23 Apr - Thu, 30 Apr
JetBlue Logo
15:00 - 09:30
SJU
-
LHR
13h 30m
1 stop
JetBlue Logo
11:55 - 02:07
LHR
-
SJU
19h 12m
1 stop
£594JetBlue
Thu, 30 Apr - Mon, 11 May
JetBlue Logo
05:01 - 09:30
SJU
-
LHR
23h 29m
1 stop
JetBlue Logo
08:40 - 02:39
LHR
-
SJU
22h 59m
1 stop
£595JetBlue
Mon, 20 Apr - Thu, 30 Apr
JetBlue Logo
05:01 - 06:30
SJU
-
LHR
20h 29m
1 stop
JetBlue Logo
11:55 - 21:00
LHR
-
SJU
14h 05m
1 stop
£596JetBlue
Booking Insights

KAYAK's insights & trends for flights to Heathrow

Get data-powered insights and trends into flights to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to London Heathrow Airport?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to London Heathrow Airport was found on the route from San Juan, at £528 return. The most popular connection is from Manchester to London Heathrow Airport and KAYAK users have found return deals for as low as £87 in the last 3 days.

What is the cheapest month to fly to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to London Heathrow Airport is September, where tickets cost £465 on average for return flights. On the other hand, the most expensive months are June and July, where the average cost of tickets from Puerto Rico is £916 and £847 respectively. For one-way flights, the best month to travel is September with an average price of £465.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 2 weeks before departure, which saves you about 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Find deals

Good to know - Cheap tickets from Puerto Rico to London Heathrow Airport

Low seasonJanuary
Cheapest flight£242
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
Flight from San Juan to London Heathrow Airport

FAQs - booking London Heathrow Airport flights

  • What is the cheapest flight to London Heathrow Airport?

    In the last 3 days, the cheapest flight deal to London Heathrow Airport was found on the route from San Juan, at £528 return. The most popular connection is from Manchester to London Heathrow Airport and KAYAK users have found return deals for as low as £87 in the last 3 days.

  • How far is London Heathrow Airport from central London?

    You’ll need to travel 14 miles to reach the London city centre from London Heathrow Airport.

  • How does KAYAK find such low prices on flights to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to London Heathrow Airport are there each week?

    Each week there are around 484 direct flights from within Puerto Rico to London Heathrow Airport. The most common day for departures is Tuesday, with 16% of flights taking off on this day.

Top tips for finding cheap flights to London Heathrow Airport

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest London Heathrow Airport flight deals.

Travelling to a place near Heathrow?

Book flights to Heathrow if you plan to visit one of these locations
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Milton Keynes
Eastbourne
Hounslow
Luton
Southend-on-Sea
Northampton
Swindon
Slough
Winchester
Croydon
Stansted
Folkestone
Poole
Chichester
Maidstone
Colchester
Salisbury
Chelmsford
Crawley

Everything you need to know for your flight to Heathrow

Information on the airport you'll fly into in London

London Heathrow Airport (LHR)