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What is the cheapest month to fly to San Juan?
The cheapest month to fly to San Juan from United Kingdom is in February. Flight prices, which tend to average around £506, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to San Juan from United Kingdom during October instead. Flights to San Juan in October, while not as cheap as those in February, still average around £620.
How far in advance should I book a flight to San Juan?
You are more likely to see cheaper flights to San Juan from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £755 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from United Kingdom for as low as £575 on momondo.
Cheapest flights to San Juan
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| CHEAPEST MONTH TO FLY TO SAN JUAN FROM LONDON HEATHROW AIRPORT | February | 24% cheaper | Flying from London Heathrow Airport to San Juan costs on average just £574 in February |
| MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM LONDON HEATHROW AIRPORT | August | 33% more expensive | It costs about £1,004 for flights to San Juan from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO SAN JUAN FROM LONDON HEATHROW AIRPORT | December | 561% more users visited | More momondo users searched in flights to San Juan from London Heathrow Airport in December than any other month |
Cheap San Juan flight deals and tips
Summary info about San Juan flight prices, duration and airlines
Popular in | June |
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Frequently asked questions about flying to San Juan
When is the best time to plan a beach trip to San Juan?
The month of January, February, or March is often the best time to visit San Juan to go to the beach due to the weather. Condado Beach is the most often visited beach in the area.
How far in advance should I book a flight to San Juan?
We recommend purchasing flights from United Kingdom to San Juan 45 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to San Juan for £741. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £370.
Is there an alternative airport near San Juan?
Finding an alternative and possibly cheaper destination airport near San Juan is possible. If you are planning a flight to San Juan, consider booking flights to San Juan Isla Grande Airport (1 mi from San Juan city centre), Ceiba J. Aponte de la Torre Airport (34 mi from San Juan city centre), Ponce Mercedita Airport (43 mi from San Juan city centre), Vieques Airport (46 mi from San Juan city centre) or Culebra Airport (54 mi from San Juan city centre).
Is there a cheaper alternative to flying into San Juan?
Culebra Airport has an average price of £67 per person and is typically the cheapest airport to fly into when visiting San Juan. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.
When did momondo last update prices for flights to San Juan?
Prices for flights to San Juan refresh daily.
How many operators does momondo search for flights to San Juan?
The number of operators available for flights to San Juan is 11 as of October 2026.
How old do you have to be to fly to San Juan?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Juan.
What documentation or ID do you need to fly to San Juan?
The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal to San Juan?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to San Juan. momondo saves you time and could save you money on your trip.
Can I find flights to San Juan with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Juan which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to San Juan?
momondo provides multiple filters to help you find the best flight to San Juan. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to San Juan right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.