Cheap flights from Heathrow to San Juan

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

All the information you need to plan the best LHR to SJU flight in 2022: compare Heathrow to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.
LHR - SJU
Price
£620 - £1,209
SJU
Temperature
25 - 28 °C
SJU
Rainfall
55 - 156 mm

Popular in

May

High demand for flights, 24% potential price rise

Cheapest in

January

Best time to find cheap flights, 33% potential price drop

Round-trip from

£512

From London Heathrow to San Juan

One-way from

£464

One-way flight from London Heathrow to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from London Heathrow Airport to San Juan (LHR - SJU)?

When flying from London Heathrow Airport to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

To save on the cost of your flight from London Heathrow Airport to San Juan, book at least 46 days before your planned departure. Booking around this time can save you about 25% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £803 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £958.

Cheap flights from Heathrow to San Juan in July, August 2022

The best prices found for LHR to SJU flights in July, August
31 Aug - 13 Sep
£693pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
31 Aug - 14 Sep
£721pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
16 Aug - 30 Aug
£792pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow

London Heathrow to San Juan 2022 flight deals

Cheap flights to San Juan from Heathrow found for this year
1 Nov - 13 Nov
£539pp
LHR
London Heathrow
Finnair
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Finnair
 
1 STOP
LHR
London Heathrow
1 Nov - 13 Nov
£560pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
British Airways
 
1 STOP
LHR
London Heathrow
23 Nov - 29 Nov
£627pp
LHR
London Heathrow
JetBlue
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
JetBlue
 
1 STOP
LHR
London Heathrow

Last-minute flights from Heathrow to San Juan

Late deals on return flights to San Juan from Heathrow, departing today and this week
13 Jul - 17 Jul
£1,327pp
LHR
London Heathrow
JetBlue
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
JetBlue
 
1 STOP
LHR
London Heathrow
13 Jul - 17 Jul
£1,378pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
13 Jul - 17 Jul
£1,427pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to San Juan from London Heathrow

The cheapest one-way flights from Heathrow to San Juan
07:05 - 20:24
Icelandair
2 stops
17h 19m
LHR - SJU
Icelandair
£464
StudentUniverse
16:15 - 08:03
Virgin Atlantic
1 stop
20h 48m
LHR - SJU
Virgin Atlantic
£594
StudentUniverse
15:50 - 22:24
TAP AIR PORTUGAL
2 stops
35h 34m
LHR - SJU
TAP AIR PORTUGAL

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">San Juan</span> flights.

Flight FAQs

From Heathrow to San Juan

Which airlines flying from London Heathrow to San Juan have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Virgin Atlantic, British Airways, and Finnair flying from London Heathrow to San Juan have implemented new flexible cancellation policies.

Can I find flights from London Heathrow Airport to San Juan for under £600 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to San Juan for under £600. The cheapest flight booked recently is on Finnair for just £539, but on average you can expect to pay £655.

Are there last-minute flights available from London Heathrow Airport to San Juan for under £1,400?

There are currently 20+ open flights from London Heathrow Airport to San Juan within the next 7 days for less than £1,400.

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

Our cheapest airline available from London Heathrow Airport to San Juan is Finnair. Our recent data shows that you can find tickets from as low as £539 on this airline. Additional options worth looking into are JetBlue and Avianca, starting at £627 and £650 round-trip. Finnair is currently priced 29% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £464. However, be on the lookout for offers from Avianca and Virgin Atlantic, as they are both options that can get you from London Heathrow Airport to San Juan for a low price.

What are the cheapest flights from London Heathrow Airport to San Juan?

The cheapest flight price from London Heathrow Airport to San Juan is £558. On average you can expect to pay £573. The most popular route, (London Heathrow - San Juan Luis Munoz Marin Intl), can usually be booked for £596.

What are the most popular airlines that fly from London Heathrow Airport to San Juan?

American Airlines, Avianca and Finnair are the most popular airlines when flying from London Heathrow Airport to San Juan.

COVID Restrictions

View COVID Travel Restrictions for San Juan, Puerto Rico

Do I need a COVID test to fly to San Juan from Heathrow?

Information is based on travel restrictions from London Heathrow to San Juan

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from London Heathrow are not required to present a negative COVID-19 PCR test or antigen result upon entering San Juan.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering San Juan.

Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.


Do I need a test to fly back to Heathrow from San Juan?

Returning to London Heathrow from San Juan

COVID-19 testing requirements
Visitors from San Juan are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for San Juan, Puerto Rico

Alternative routes for Heathrow to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Juan

Things to know before you go - useful duration and weather info for your trip from Heathrow to San Juan.
Today's exchange rate
£1 = $1.22
Average temperature for July in San Juan
32.0 °C
Avg rainfall for July in San Juan
119.0 mm

Airports servicing London

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 6 airlines flying from London Heathrow to San Juan

The chart below displays the airlines Cheapflights users travelling from Heathrow to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
British Airways
£479 £889 No cancel fee 70%
Search British Airways flights
Virgin Atlantic
£497 £607 No cancel fee 72%
Search Virgin Atlantic flights
JetBlue
£519 £677 No cancel fee 62%
Search JetBlue flights
Iberia
£586 £820 No cancel fee 77%
Search Iberia flights
Finnair
£602 £807 No cancel fee 76%
Search Finnair flights
American Airlines
£816 £1,145 No cancel fee 71%
Search American Airlines flights
Home Caribbean Puerto Rico San Juan Cheap flights from Heathrow to San Juan
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