How much is a flight from London to San Juan?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and San Juan.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the London - San Juan route.

Best airport options between London and San Juan

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in London: London is the only operating airport.
• Airports in San Juan: Isla Grande offers an alternative to San Juan - Luis Muñoz Marín.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Refine your flight search from London to San Juan

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at Puerto Rico? These cities are trending: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.