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- Flights from London to San Juan
Flight prices from London Heathrow to San Juan
There’s no fixed price — fares between London and San Juan can vary a lot by day or time.
Choose a date to explore the best fares now.
The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.
Which departure and arrival airports are available?
Between London and San Juan, flight options may depend on the combination of airports available.
- Airports in London: London is connected by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
- Airports in San Juan: Another alternative is Isla Grande.
Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.
Adjust your flight filters for London Heathrow – San Juan
Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.
Other popular destinations
Planning a trip to Puerto Rico? These cities are popular too: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.
Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently asked questions about flights from London Heathrow to San Juan.
How much does an airline ticket from London Heathrow to San Juan cost?
How far is London from San Juan?
What are the airports in San Juan?
What are the airports in London?
What are the most popular cities in Puerto Rico?
When should I book a flight from London to San Juan?
What is the cheapest month to fly from London to San Juan?
What is the most expensive month to fly from London to San Juan?
What is the best day of the week to fly from London to San Juan?
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