£397 Cheap Flights from London (LGW) to San Juan (SJU)

View £397 flight on Fri, 29 May 2026Opens in a new window

Flight 1

Popular airlines from Gatwick Airport (LGW) to Luis Munoz Marin Intl. Airport (SJU)

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Cheap Flights from London (LGW) to San Juan (SJU)

Prices were available within the past 7 days and start at £397 for one-way flights and £645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, 1 Jun - Mon, 8 Jun
LGW
London
SJU
San Juan
£645 Return, found 5 hours ago
£645
Return
found 5 hours ago
Select JetBlue Airways flight, departing Mon, 1 Jun from London to San Juan, returning Mon, 8 Jun, priced at £645 found 5 hours ago
JetBlue Airways
Sun, 7 Jun - Tue, 9 Jun
LGW
London
SJU
San Juan
£646 Return, found 16 hours ago
£646
Return
found 16 hours ago
Select JetBlue Airways flight, departing Sun, 7 Jun from London to San Juan, returning Tue, 9 Jun, priced at £646 found 16 hours ago
JetBlue Airways
Fri, 22 May - Fri, 5 Jun
LGW
London
SJU
San Juan
£665 Return, found 7 hours ago
£665
Return
found 7 hours ago
Select JetBlue Airways flight, departing Fri, 22 May from London to San Juan, returning Fri, 5 Jun, priced at £665 found 7 hours ago
JetBlue Airways
Tue, 1 Sept - Mon, 7 Sept
LGW
London
SJU
San Juan
£667 Return, found 2 days ago
£667
Return
found 2 days ago
Select JetBlue Airways flight, departing Tue, 1 Sept from London to San Juan, returning Mon, 7 Sept, priced at £667 found 2 days ago
JetBlue Airways
Wed, 27 May - Sat, 13 Jun
LGW
London
SJU
San Juan
£677 Return, found 14 hours ago
£677
Return
found 14 hours ago
Select JetBlue Airways flight, departing Wed, 27 May from London to San Juan, returning Sat, 13 Jun, priced at £677 found 14 hours ago
JetBlue Airways
Sun, 31 May - Sun, 14 Jun
LGW
London
SJU
San Juan
£677 Return, found 4 days ago
£677
Return
found 4 days ago
Select JetBlue Airways flight, departing Sun, 31 May from London to San Juan, returning Sun, 14 Jun, priced at £677 found 4 days ago
TAP Portugal
Tue, 22 Sept - Wed, 30 Sept
LGW
London
SJU
San Juan
£718 Return, found 18 hours ago
£718
Return
found 18 hours ago
Select TAP Portugal flight, departing Tue, 22 Sept from London to San Juan, returning Wed, 30 Sept, priced at £718 found 18 hours ago
Icelandair
Tue, 22 Sept - Thu, 1 Oct
LGW
London
SJU
San Juan
£773 Return, found 3 days ago
£773
Return
found 3 days ago
Select Icelandair flight, departing Tue, 22 Sept from London to San Juan, returning Thu, 1 Oct, priced at £773 found 3 days ago
Virgin Atlantic
Tue, 1 Sept - Tue, 15 Sept
LGW
London
SJU
San Juan
£925 Return, found 1 day ago
£925
Return
found 1 day ago
Select Virgin Atlantic flight, departing Tue, 1 Sept from London to San Juan, returning Tue, 15 Sept, priced at £925 found 1 day ago
Air France
Tue, 1 Sept - Tue, 15 Sept
LGW
London
SJU
San Juan
£960 Return, found 1 day ago
£960
Return
found 1 day ago
Select Air France flight, departing Tue, 1 Sept from London to San Juan, returning Tue, 15 Sept, priced at £960 found 1 day ago

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from £1,194
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city centre16 min
Flights from £1,194

Frequently asked questions

How much does a flight from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) cost?
One-way flights typically cost between £1,052 and £2,986 and return flights often range between £1,052 and £2,986. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
To find a cheap flight from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are approximately 13 connecting flights per day from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.). Some common connection points include Keflavik Intl. (KEF), Roissy-Charles de Gaulle (CDG), and Istanbul Airport (IST).
What is the earliest flight from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
The earliest flight from London Gatwick (LGW) to San Juan (SJU) typically departs at approximately 5:20 AM local time. This service is seasonal, active only in July, and is operated by TK and B6. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
You'll typically find the most flights from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) on a Monday, with around 31 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include British Airways, Air France, and Turkish Airlines.
What are the most popular departure times for flights from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
The most popular departure times for flights from London Gatwick (LGW) to San Juan (SJU) are between 12pm and 3pm. About 42% of passengers prefer this time. Many major carriers, including British Airways, American Airlines and JetBlue, offer flights during this window. This timing works well because it allows for a relaxed start to your travel day and an afternoon arrival at your destination.
How long does it take to fly from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
Flights from LGW to SJU with one stop typically take around 18 hours 30 minutes, covering approximately 4,192 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
Select the "Business class" and "First class" filters when looking for LGW to SJU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Juan from Gatwick (LGW)?
From Gatwick (LGW), you can fly directly into Luis Munoz Marin Intl. (SJU) to reach San Juan. Some flights may connect through major hubs like Orlando Intl. (MCO), Tampa Intl. (TPA), Roissy-Charles de Gaulle (CDG) before reaching San Juan. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package?
Securing a London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.)?
If you booked your London (LGW-Gatwick) to San Juan (SJU-Luis Munoz Marin Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Gatwick
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Air Europa, Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, TAP Portugal, Turkish Airlines, Virgin Atlantic
Return price
£644
Distance
6706 km

Book with confidence

Compare flights from London to San Juan easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to San Juan. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Luis Munoz Marin Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to Luis Munoz Marin Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to Luis Munoz Marin Intl. (SJU)

The easiest way to view the best deals on flights from London to San Juan today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to Luis Munoz Marin Intl. start at just £645 and range up to £960.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and San Juan
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to San Juan flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Luis Munoz Marin Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to San Juan easily and book with confidence

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*Available to Expedia members.