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 2022: compare San Juan to London flight prices with the expected peak season, weather and rainfall in London.
SJU - LON
Price
$593 - $1,324
LON
Temperature
39.2 - 62.6 °F
LON
Rainfall
1.6 - 2.8 inches

Popular in

July

High demand for flights, 36% potential price rise

Cheapest in

February

Best time to find cheap flights, 30% potential price drop

Average price

$1,133

Average for round-trip flights in August 2022

Round-trip from

$593

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to London. Flights to London from San Juan in February are about $851 on average during February, but can be found for as low as $497.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to London as you normally would.

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

Find a great deal and save up to 118% by booking at least 58 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Juan to London within the next two weeks, with the cheapest ticket starting at $1,317.

Cheap flights from San Juan to London in August, September 2022

The best prices found for SJU to LON flights for August, September
11 Sep - 18 Sep
$642pp
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 Sep - 11 Nov
$656pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
6 Sep - 15 Sep
$658pp
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 2022 flight deals

Cheap flights to London from San Juan found for this year
11 Sep - 18 Sep
$642pp
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 Sep - 11 Nov
$656pp
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
6 Sep - 15 Sep
$658pp
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

Cheap KLM flights from San Juan to London

27 Sep - 4 Oct
$678pp
SJU
San Juan Luis Munoz Marin Intl
KLM
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
4 Oct - 18 Oct
$701pp
SJU
San Juan Luis Munoz Marin Intl
KLM
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
4 Oct - 18 Oct
$702pp
SJU
San Juan Luis Munoz Marin Intl
KLM
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl

Cheap American Airlines flights from San Juan to London

26 Oct - 2 Nov
$661pp
SJU
San Juan Luis Munoz Marin Intl
American Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
American Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
12 Oct - 25 Oct
$664pp
SJU
San Juan Luis Munoz Marin Intl
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
5 Oct - 18 Oct
$665pp
SJU
San Juan Luis Munoz Marin Intl
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
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
17 Aug - 23 Aug
$797pp
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
18 Aug - 30 Aug
$1,216pp
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
18 Aug - 30 Aug
$1,229pp
SJU
San Juan Luis Munoz Marin Intl
Iberia
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Iberia
 
1 STOP
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
2:15 pm - 11:35 am
Avianca
1 Stop
16h 20m
SJU - LHR
Avianca
$636
Avianca
11:09 am - 12:00 pm
Scandinavian Airlines
2 Stops
19h 51m
SJU - LHR
Scandinavian Airlines
$662
KAYAK
6:09 am - 2:40 am
Multiple Airlines
1 Stop
15h 31m
SJU - LGW
Multiple Airlines
$670
Combigo

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. American Airlines, Iberia, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from San Juan to London for under $700 on Cheapflights?

Yes, there are multiple flights from San Juan to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $642, but on average you can expect to pay $667.

Are there last-minute flights available from San Juan to London for under $800?

There are currently 20+ open flights from San Juan to London within the next 7 days for less than $800.

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 $661. Other airlines that can offer you cheap pricing are ITA Airways, from $662, and British Airways, from $677. American Airlines is currently priced 22% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from San Juan to London are TAP AIR PORTUGAL ($495), Avianca ($510), and United Airlines ($635).

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 $2,164, our data indicates the cheapest price to be $466. The most popular route (San Juan Luis Munoz Marin Intl - London Heathrow), is priced around $642.

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, Air France and Avianca. 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 can enter London without restrictions.

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.

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

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 are not required to present a negative COVID-19 PCR test or antigen result upon entering San Juan.

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

Hide COVID Travel Restrictions for London, England

Top 7 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
Juneyao Airlines
$12 $16 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Virgin Atlantic
$428 $526 No cancel fee 72%
British Airways
$430 $736 No cancel fee 70%
Iberia
$528 $749 No cancel fee 77%
American Airlines
$534 $804 No cancel fee 71%
Delta
$540 $855 No cancel fee N/A
United Airlines
$759 $1,046 No cancel fee 69%