Cheap flights from London to San Juan

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Flight prices from London to San Juan

There’s no fixed price — fares between London and San Juan can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Airport options between London and San Juan

Even for routes around 6753 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 to San Juan - Luis Muñoz Marín

Plan your journey from London to San Juan with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Puerto Rico? These cities are trending: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
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 44 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.