Cheap flights from London Heathrow to San Juan

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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.