Cheap flights from San Juan (SJU) to London (LON)

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How to find the cheapest flight from
San Juan (SJU) to London (LON)

All the information you need to plan the best SJU to LON flight in 2021: compare San Juan to London flight prices with the expected peak season, weather and rainfall in London.
PR1 - LON
Price
$693 - $1,284
LON
Temperature
39.2 - 62.6 °F
LON
Precipitation
1.6 - 2.8 inches

Popular in

June

High demand for flights, 33% potential price rise

Cheapest in

February

Best time to find cheap flights, 20% potential price drop

Round-trip from

$693

From San Juan to London (LON)

One-way from

$329

One-way flight from San Juan to London (LON)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from San Juan to London?

To save up to 32% on this flight, we recommend booking at least 61 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 London from $851 1-2 weeks out and tickets from $1,018 for flights departing within the next 72 hours.

When is the cheapest time to fly from San Juan to London (PR1 - LON)?

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

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

Flights from San Juan to London lean towards being more expensive in June. Prices are generally better when you fly from San Juan to London in February, with the cheapest ticket starting at $526.

Cheap flights from San Juan to London in October, November 2021

The best prices found for SJU to LON flights for October, November
13 Nov - 21 Nov
$543pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
18 Nov - 21 Nov
$546pp
SJU
San Juan Luis Munoz Marin Intl
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
13 Nov - 21 Nov
$562pp
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

San Juan to London 2021 flight deals

Cheap flights to London from San Juan found for this year
13 Nov - 21 Nov
$543pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
18 Nov - 21 Nov
$546pp
SJU
San Juan Luis Munoz Marin Intl
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
5 Dec - 14 Dec
$554pp
SJU
San Juan Luis Munoz Marin Intl
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl

Last minute flights from San Juan to London

Late deals on round-trip flights to London from San Juan, departing today and this week
24 Oct - 31 Oct
$665pp
SJU
San Juan Luis Munoz Marin Intl
Iberia
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
24 Oct - 31 Oct
$868pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SJU
San Juan Luis Munoz Marin Intl
24 Oct - 31 Oct
$908pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl

One-way flights to London from San Juan

The cheapest one-way flights from San Juan to London
4:20 pm - 9:55 am
Iberia
1 Stop
13h 35m
SJU - LHR
Iberia
$329
Iberia
6:40 am - 7:25 am
TAP AIR PORTUGAL
2 Stops
20h 45m
SJU - LHR
TAP AIR PORTUGAL
$446
mytrip.com
5:20 pm - 4:50 am
Multiple Airlines
3 Stops
31h 30m
SJU - LGW
Multiple Airlines
$454
Gotogate

Related info for your journey

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

Flight FAQs

From San Juan to London

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

Some of our airline partners flying from San Juan to London have new flexible policies in place due to COVID-19. Delta, American Airlines, and Iberia are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Delta with this kind of flexibility.

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

Yes, there are multiple flights from San Juan to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $523, but on average you can expect to pay $539.

Are there last-minute flights available from San Juan to London for under $700?

There are currently 14+ open flights from San Juan to London within the next 7 days for less than $700.

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

Cheapflights users have booked flights from San Juan to London round-trip from $527. Other airlines that can offer you cheap pricing are British Airways, from $527, and American Airlines, from $530. Iberia is currently priced 38% below the average price you’ll pay for this route.

What are the cheapest flights from San Juan to London?

Looking for the cheapest flight from San Juan to London? While on average our users pay $1,200, our data indicates the cheapest price to be $493. The most popular route (San Juan Luis Munoz Marin Intl - London Heathrow), is priced around $534.

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

The most popular airlines flying from San Juan to London are American Airlines, Avianca and British Airways. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for London, England

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

Information is based on travel restrictions from San Juan to London

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

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

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

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


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

Returning to San Juan from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Juan.

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

Hide COVID Travel Restrictions for London, England

Destination information for London

Things to know before you go - useful duration and weather info for your trip from San Juan to London.
Today's exchange rate
$1 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing San Juan

San Juan Isla Grande (SIG)

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

Top 6 airlines flying from San Juan to London

The chart below displays the airlines Cheapflights users traveling from San Juan to London 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
$529 $892 No cancel fee 70%
Virgin Atlantic
$548 $826 No cancel fee 72%
Delta
$557 $954 No cancel fee N/A
American Airlines
$625 $959 No cancel fee 71%
Iberia
$652 $1,322 No cancel fee 77%
United Airlines
$717 $1,069 No cancel fee 69%
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