Cheap flights from London Heathrow Airport to San Juan from £328
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Juan departing on 14/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Our best Delta deals on London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Virgin Atlantic flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Our best Virgin Atlantic deals on London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?
If you aren’t able to travel during the month of September, then book flights to San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport during February instead. Flights to San Juan Luis Munoz Marin Intl Airport in February, while not as cheap as those in September, still average around £556.
What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
The cheapest day to depart from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport is on a Monday when prices can be found for as low as £532. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport for around £649.
What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
In the morning is the cheapest time of day to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport when you can find flight prices for as low as £588. Flying to San Juan Luis Munoz Marin Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £841 on average. Flights to San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?
You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £635 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport for as low as £542 on momondo.
What is the cheapest airline that flies from London Heathrow to San Juan Luis Munoz Marin Intl?
Iberia, Avianca, and JetBlue are the most popular carriers operating from London Heathrow to San Juan Luis Munoz Marin Intl
Which airlines fly to San Juan Luis Munoz Marin Intl Airport?
Finnair, Iberia and Icelandair are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport according to our data. Finnair is the first choice among our users, with 52% of people opting to fly with this airline when travelling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 6 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Cheap London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport (LHR to SJU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
How far is London Heathrow to San Juan Luis Munoz Marin Intl by plane?
The straight-line distance from London Heathrow to San Juan Luis Munoz Marin Intl is 4178.9 mi. 12h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
As of May 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport is Finnair (48% of total bookings). The next most popular airlines are Iberia (21%), Icelandair (16%), and British Airways (9%).
Best airlines flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £421 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom £440 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom £452 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom £508 | Free Cancellation | Rating 7.0 2,701 reviews | |||
| PriceFrom £561 | Free Cancellation | Rating 6.6 6,845 reviews | |||
| PriceFrom £875 | Free Cancellation | Rating 7.4 643 reviews |
Travelling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to San Juan?
It is quick and easy to find London to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.
Can I find flights from London to San Juan with flexible booking policies on momondo?
All flight searches from London to San Juan on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to San Juan?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Juan.
I’m not ready to book a flight from London to San Juan right now. Can momondo alert me if prices change?
Price alerts on flights to San Juan from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.