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Cheap flights from London to San Juan

from £483

London to San Juan Flight Information

Return flight price

Tue 14 Sep - Tue 21 Sep



One-way flight price

from £418

Flights Departing from

Flights arriving in

  • San Juan Puerto Rico

Airlines flying to this destination


From airport San Juan Puerto Rico to city centre

7.14 miles

Flight distance

4200.41 miles

Check out our best offers departing from London among more than 400 airlines now!

Use the search-box to select your departure city or airport and get the best prices. Please, note these prices below are 'from'.

Information about flights from London to San Juan

Greetings! Welcome to the’s travel website for low cost flights. If you are looking for a low cost flight London-San Juan, you are in the right place! Your are click away from confirming your flight London-San Juan.

Why limit yourself to the desktop travel website services – download our iPhone and Android App and get full use of all the services even whilst you’re on holiday. cares about its customers and offers more than an online travel booking tool. We support our customers from start to finish and beyond. Helping you plan your trip, to during your holiday and even when you return from your trip.

If you don’t know where to go on holiday, why not let yourself be guided by our cheap flight deals to San Juan from London. Without the stress of having set dates, the search results will help you make up your mind. App for iPhone and Android – the solution to your travelling needs. Perfect if you are always on the move, need to book your travel from anywhere quickly and easily. Take this practical and reliable tool with you on your travels.

Maybe you are interested in Cheap flights to London Nows your chance!

Flexible on when you visit?

Flight offers San Juan in August

09/08/2021 - 15/08/2021 16/08/2021 - 22/08/2021 23/08/2021 - 29/08/2021
Heathrow - San Juan Puerto Rico
from £866
2d ago
from £669
6d ago
from £700
2d ago
Gatwick - San Juan Puerto Rico
from £1,472
11d ago

Flight offers to San Juan for next weekend

13/08/2021 - 15/08/2021 20/08/2021 - 22/08/2021 27/08/2021 - 29/08/2021
Heathrow - San Juan Puerto Rico
from £1,178
2d ago
Gatwick - San Juan Puerto Rico

Cheap flights from United Kingdom cities to San Juan

Cheap flights from outside of United Kingdom to San Juan

Frequently asked questions

How do I buy tickets from different airlines at once and save money?

Our system combines airlines automatically to find the cheapest flights available. That way you can save money and don't have to buy your tickets separately.

Is a trustworthy travel brand?

In 1998, was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What should I do if I have to change my flight? offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*

*Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do? offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**

**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight from London to San Juan take?

The average flight duration from London to San Juan is 15 hours, 51 minutes.

Which is the cheapest available flight from London to San Juan?

AVIANCA offers the cheapest flight from London to San Juan. A one-way ticket is £1748.22, a round-trip is £342.27.

Which is the cheapest month for flights from San Juan to London?

Flight prices drop in October.

What's the distance between San Juan and London?

From London to San Juan, it is approximately 6,760 miles.

Which airports does London have?

You can find 7 airports in London: London, Gatwick, Heathrow, London City, Southend, Luton and Stansted.

Which airports does San Juan have?

You can find 2 airports in San Juan: San Juan Isla Grande and San Juan Puerto Rico.

Which airport is the closest to San Juan's city centre?

San Juan Isla Grande (1 miles) is the closest airport, followed by San Juan Puerto Rico (11 miles).

How much is a taxi in San Juan? How much is it in London?

A taxi in San Juan is about £2.00, in London the average price is £5.00.

How much is public transport in San Juan and London?

A single ticket for public transport in San Juan is £1.00. In London, you pay £2.00.

How many flights are there per week from London to San Juan?

On average, you can find up to 18 flights per week on this route.

Which airlines fly from London to San Juan?

There are 7 airlines that offer flights from London to San Juan, being the most competitive American Airlines (£342.27), Finnair (£518.62) and Iberia (£553.12).

When is the first flight from London to San Juan in the morning? When is the last in the evening?

The first flight from London is at 08:55. The last flight to San Juan leaves at 14:35.

When are flights from San Juan to London most expensive?

May is the most expensive month to fly from San Juan to London.

Cost of living in London compared with San Juan

Food and drinks London San Juan Difference
Beer (0.5 litre) £2.00 £1.00 -50%
Coffee £3.00 £2.00 -33%
Meal at McDonald's £6.00 £5.00 -17%
Water (0.33 litre) £1.00 £1.00 0%
Transportation London San Juan Difference
Monthly pass £150.00 £36.00 -76%
One way tube ticket £2.00 £1.00 -50%
Taxi starting price (normal tariff) £5.00 £2.00 -60%
Clothing London San Juan Difference
1 summer dress in a chain store (Zara, H&M,...) £32.00 £39.00 +22%
1 pair of jeans (Levi's 501 or similar) £67.00 £37.00 -45%
Salaries London San Juan Difference
Average monthly disposable salary (net) £2,325.00 £1,753.00 -25%

San Juan airports map

Weather forecast for San Juan

  • Monday 26
    Max 30  ºC
    Min 25  ºC
  • Tuesday 27
    Max 30  ºC
    Min 25  ºC
  • Wednesday 28
    Max 30  ºC
    Min 24  ºC
  • Thursday 29
    Max 32  ºC
    Min 24  ºC