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.

Are there multiple airports in London and San Juan?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in London: Only London operates in this city.
• Airports in San Juan: Isla Grande is a secondary airport to San Juan - Luis Muñoz Marín.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Filter and compare flights from London to San Juan

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to Puerto Rico? Check these: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.