Cheap flights from London to San Juan from £255
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 to San Juan departing on 6/11. 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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Icelandair flights from London to San Juan Luis Munoz Marin Intl Airport
Our best Icelandair deals on London to San Juan Luis Munoz Marin Intl Airport flight tickets
TAP AIR PORTUGAL flights from London to San Juan Luis Munoz Marin Intl Airport
Our best TAP AIR PORTUGAL deals on London to San Juan Luis Munoz Marin Intl Airport flight tickets
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How to get the cheapest flight ticket from London 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 during November instead. Flights to San Juan Luis Munoz Marin Intl Airport in November, while not as cheap as those in September, still average around £542.
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 to San Juan Luis Munoz Marin Intl Airport is on a Monday when prices can be found for as low as £518. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London to San Juan Luis Munoz Marin Intl Airport for around £632.
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 to San Juan Luis Munoz Marin Intl Airport when you can find flight prices for as low as £573. 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 £819 on average. Flights to San Juan Luis Munoz Marin Intl Airport from London 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around £631 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 Luis Munoz Marin Intl Airport from London for as low as £498 on momondo.
What is the cheapest airline that flies from London to San Juan Luis Munoz Marin Intl?
Avianca, Icelandair, and JetBlue are the most popular carriers operating from London 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 according to our data. Finnair is the first choice among our users, with 43% 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 to San Juan Luis Munoz Marin Intl Airport
Cheap London to San Juan Luis Munoz Marin Intl Airport (LON to SJU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to San Juan Luis Munoz Marin Intl Airport
How far is London to San Juan Luis Munoz Marin Intl by plane?
The straight-line distance from London to San Juan Luis Munoz Marin Intl is 4193.3 mi. By plane, this route typically takes 13h 37m.
When did momondo last update prices for flights from London to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from London to San Juan Luis Munoz Marin Intl Airport are updated daily.
How many operators does momondo search for flights from London to San Juan Luis Munoz Marin Intl Airport?
As of June 2025, there are 6 operators available to choose from for flights from London to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from London to San Juan Luis Munoz Marin Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London 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 you'll need for your trip to San Juan Luis Munoz Marin Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked airline on the route from London to San Juan Luis Munoz Marin Intl Airport is Finnair, representing 27% of all bookings. The subsequent popular airlines are Icelandair at 24%, Iberia at 23%, and JetBlue at 9%.
Best airlines flying from London to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from London to San Juan Luis Munoz Marin Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £351 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom £404 | Free Cancellation | Rating 7.3 2,921 reviews | |||
| PriceFrom £408 | Free Cancellation | Rating 7.6 1,298 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.0 507 reviews | |||
| PriceFrom £501 | Free Cancellation | Rating 7.0 2,802 reviews | |||
| PriceFrom £527 | Free Cancellation | Rating 6.6 7,071 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?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Juan for you.
Can I find flights from London to San Juan with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to San Juan flights to just show those with flexible booking policies.
How can momondo help me find flights from London to San Juan?
Once you have performed a search for London to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to San Juan right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Juan from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.