Cheap flights from London to San Juan

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Info about flights from London to San Juan

Some useful info about flights from London to San Juan to help you plan your next trip

Average flight duration 11h 14m
Cheapest month January
Average number of flights per week 2
First flight time 00:20
Last flight time 23:35
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much should you expect to spend for a flight from London to San Juan?

Flight prices from London to San Juan change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports near London or San Juan offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

  • Airports in London: 6 airports are active - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in San Juan: Isla Grande is also worth a look.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Flights from London to San Juan - Luis Muñoz Marín

Plan smarter: flights from London to San Juan

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Puerto Rico also checked out: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from London to San Juan.

How much does an airline ticket from London to San Juan cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London to San Juan.

How far is London from San Juan?

London is about 6753 km from San Juan.

What are the airports in San Juan?

San Juan has another airport: Isla Grande.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in Puerto Rico?

The most popular cities in Puerto Rico according to our users' searches are: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

When should I book a flight from London to San Juan?

The best time to book a flight from London to San Juan is 1 month in advance, while the worst time is 1 week in advance.

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

The cheapest month to fly from London to San Juan is January.

What is the most expensive month to fly from London to San Juan?

The most expensive month to fly from London to San Juan is February.

What is the best day of the week to fly from London to San Juan?

This information is not available at the moment.