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Cheap flights from San Juan (SJU) to Heathrow (LHR)

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How to find the cheapest flight from
San Juan (SJU) to Heathrow (LHR)

What is the cheapest day to fly round-trip from San Juan to Heathrow?

Flights from San Juan to Heathrow are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Heathrow.

How far in advance should I book a flight from San Juan to Heathrow?

To save up to 38% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Juan to Heathrow from $813 1-2 weeks out and tickets from $886 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Juan to Heathrow?

February can be a great time to fly to Heathrow from San Juan with a flight ticket averaging about $634. Cheapflights users have found deals in the month of February for as cheap as $394. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from San Juan to Heathrow (PR1 - LHR)?

It’s typically best to fly out from San Juan to Heathrow in the noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from San Juan to Heathrow in August, September 2020

The best prices found for SJU to LHR flights for August, September
31 Jul - 3 Sep
$606pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl
31 Jul - 28 Aug
$640pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl
31 Jul - 2 Sep
$696pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl

San Juan to Heathrow 2020 flight deals

Cheap flights to Heathrow from San Juan found for this year
22 Sep - 10 Dec
$542pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl
31 Jul - 3 Sep
$606pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl
31 Jul - 28 Aug
$640pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl

Last minute flights from San Juan to Heathrow

Late deals on round-trip flights to Heathrow from San Juan, departing today and this week
28 Jul - 1 Sep
$1564pp
SJU
San Juan Luis Munoz Marin Intl
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
28 Jul - 3 Sep
$1572pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
28 Jul - 3 Sep
$1577pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl

One-way flights to Heathrow from San Juan

The cheapest one-way flights from San Juan to Heathrow
1:30 am - 1:45 pm
Multiple Airlines
2 Stops
31h 15m
SJU - LHR
Multiple Airlines
$281
Kiwi.com
4:00 am - 6:55 pm
Multiple Airlines
2 Stops
33h 55m
SJU - LHR
Multiple Airlines
$291
Kiwi.com
7:38 am - 1:45 pm
Multiple Airlines
2 Stops
25h 07m
SJU - LHR
Multiple Airlines
$321
Kiwi.com

Related info for your journey

Useful info, stats and facts about San Juan to Heathrow flights.

Flight FAQs

From San Juan to Heathrow

Are flight prices decreasing from San Juan to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Juan and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from San Juan to Heathrow for under $600 on Cheapflights?

Yes, there are multiple flights from San Juan to Heathrow for under $600. The cheapest flight booked recently is on Multiple Airlines for just $542, but on average you can expect to pay $730.

Are there nonstop flights from San Juan to Heathrow for under $500 on Cheapflights?

There are no nonstop flights from San Juan to Heathrow, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Juan to Heathrow for under $1600?

There are currently 20+ open flights from San Juan to Heathrow within the next 7 days for less than $1600.

Is San Juan weather warmer or cooler than Heathrow?

Expect the weather to be around 90 °F on average in June. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Heathrow is generally colder than in San Juan.

How long is the flight from San Juan to Heathrow?

For as low as $894, Delta can have you in Heathrow from San Juan in 13h 35m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from San Juan to Heathrow round-trip?

According to our current data, TAP AIR PORTUGAL ($711), British Airways ($811), and Lufthansa ($831) offers the cheapest pricing from San Juan to Heathrow.

What are the cheapest airlines to fly from San Juan to Heathrow one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $410.

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Destination information for Heathrow

Things to know before you go. Useful info for your trip from San Juan to Heathrow
Today's exchange rate
$1 = £0.77
Average temperature for August in Heathrow
75.2 °F
Avg rainfall for August in Heathrow
2.6 ″

Airports servicing San Juan

San Juan Isla Grande (SIG)

Airports servicing London