SJU - LHR

£259 Find Cheap Flights from San Juan 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 from San Juan to Heathrow departing on 22/4. 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 in flight searches from San Juan to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to London, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£556
Typical prices: £540-£706
Virgin Atlantic
Tue 5/5Wed 13/5
SJU - LHR • 1 stop
Cheapest one-way flight
£259
Typical prices: £330-£520
JetBlue
Wed 22/4
SJU - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between San Juan and Heathrow. You’ll need at least 1 connection.
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Top stopover airports
Washington, D.C. (IAD)
Cheapest • Avg £623 (return)
Washington, D.C. (IAD)
Shortest trip • 13h 00m (one-way)
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When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 23% compared to booking last minute.
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When to travel
September
Cheapest • 26% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Juan to Heathrow (SJU-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Juan 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 San Juan to Heathrow

Tue, 5 May - Wed, 13 May
Virgin Atlantic Logo
17:34 - 13:15
SJU
-
LHR
14h 41m
1 stop
Virgin Atlantic Logo
12:50 - 23:35
LHR
-
SJU
15h 45m
1 stop
£556Virgin Atlantic
Tue, 5 May - Wed, 13 May
Virgin Atlantic Logo
17:34 - 13:15
SJU
-
LHR
14h 41m
1 stop
Virgin Atlantic Logo
11:15 - 22:17
LHR
-
SJU
16h 02m
1 stop
£557Virgin Atlantic
Wed, 22 Apr - Wed, 29 Apr
Virgin Atlantic Logo
17:42 - 14:35
SJU
-
LHR
15h 53m
1 stop
Virgin Atlantic Logo
11:20 - 23:59
LHR
-
SJU
17h 39m
1 stop
£565Virgin Atlantic
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
£566Virgin Atlantic
Wed, 22 Apr - Wed, 29 Apr
Virgin Atlantic Logo
07:15 - 06:20
SJU
-
LHR
18h 05m
1 stop
Virgin Atlantic Logo
11:20 - 23:59
LHR
-
SJU
17h 39m
1 stop
£567Virgin Atlantic
Tue, 21 Apr - Tue, 28 Apr
JetBlue Logo
19:58 - 20:45
SJU
-
LHR
19h 47m
1 stop
JetBlue Logo
11:55 - 21:00
LHR
-
SJU
14h 05m
1 stop
£570JetBlue
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
£581JetBlue
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
£583JetBlue
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
£585JetBlue
Wed, 1 Apr - Tue, 7 Apr
JetBlue Logo
05:01 - 06:30
SJU
-
LHR
20h 29m
1 stop
JetBlue Logo
08:40 - 22:08
LHR
-
SJU
18h 28m
1 stop
£587JetBlue
Booking Insights

KAYAK’s insights & trends for San Juan to Heathrow flights

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

How much is a return flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport departing in May.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport 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 from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport is September, where tickets cost £460 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £905 and £833 respectively.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport 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 from San Juan Luis Munoz Marin Intl Airport 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 on the flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport, 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 San Juan to London Heathrow Airport

Low seasonJanuary
Cheapest flight£259
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

When to book flights from San Juan to Heathrow

Are your dates flexible? Find out the best times to travel from San Juan to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan to London Heathrow Airport flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport was £259 for a one-way ticket and £556 for a return.

  • Which airports will I be using when flying from San Juan to London Heathrow Airport?

    San Juan and London Heathrow Airport are both served by 1 main airport. You will leave San Juan from San Juan Luis Munoz Marin Intl and will be arriving at London Heathrow.

  • Which aircraft models fly most regularly from San Juan to London Heathrow Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Juan 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 from San Juan to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan 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 from San Juan is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan 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 to San Juan with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan 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 from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Juan to Heathrow

Information on your arrival and departure airports

San Juan (SJU)
Heathrow (LHR)