How much is a flight from San Juan to London Heathrow?

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

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 San Juan - London Heathrow route.

Planning flights between San Juan and London? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in San Juan: Another departure airport is Isla Grande.
• Airports in London: London features 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Plan your perfect flight from San Juan to London Heathrow

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers like Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Planning a trip to United Kingdom? Other frequent searches include: Edinburgh, Glasgow, London, Manchester, Newquay.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.