Flights from London Heathrow to San Juan

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
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

Planning a flight from London Heathrow to San Juan?

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

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Airport options between London and San Juan

Even for routes around 6730 km, using different airports might affect flight cost and travel time.

  • Airports in London: You can fly from 6 airports in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in San Juan: Isla Grande is another option in San Juan.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Flights from London - Heathrow to San Juan - Luis Muñoz Marín

Customize your flight from London Heathrow to San Juan

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Puerto Rico? You might also consider: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.
Frequently Asked Questions

Frequently asked questions about flights from London Heathrow to San Juan.

How much does an airline ticket from London Heathrow 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 Heathrow to San Juan.

How far is London from San Juan?

London is about 6730 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, Mayaguez, Ponce, San Juan.

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

The best time to book a flight from London to San Juan is 9 months in advance, while the worst time is 39 weeks in advance.

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

This information is not available at the moment.

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

This information is not available at the moment.

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

This information is not available at the moment.