Flights tailored to your budget
- 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, Ponce, San Juan, Vieques Airport.
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.
