How much is a ticket from London to San Juan?

Depending on when you travel and how far in advance you book, fares between London and San Juan can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

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.

Find the best flight from London to San Juan

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.

Other popular destinations

Searching for flights to Puerto Rico? Travelers also looked at: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for London – San Juan flights.