How much should you expect to spend for a flight from London Heathrow 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.

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.

Explore flights from London Heathrow to San Juan your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Also interested in Puerto Rico? Check out: Aguadilla, Culebra Airport, Ponce, San Juan, Vieques Airport.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.