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.

Exploring all airports near London and San Juan

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in London: 6 different airports operate in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in San Juan: Try also checking Isla Grande along with San Juan - Luis Muñoz Marín.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

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.