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Cheap Flights from London to San Juan

Compare London to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from London to San Juan

Looking for a cheap last-minute deal or the best return flight from London to San Juan? Find the lowest prices on one-way and return tickets right here.
San Juan.£201 per passenger.Departing Tue, 29 Apr.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Tue, 29 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £201, select.
San Juan.£232 per passenger.Departing Sat, 7 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sat, 7 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £232, select.
San Juan.£238 per passenger.Departing Sat, 3 May.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Sat, 3 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £238, select.
San Juan.£272 per passenger.Departing Fri, 31 Oct.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Fri, 31 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £272, select.
San Juan.£275 per passenger.Departing Mon, 1 Sep.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Mon, 1 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £275, select.
San Juan.£283 per passenger.Departing Tue, 26 Aug.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Tue, 26 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £283, select.
San Juan.£305 per passenger.Departing Mon, 3 Nov.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Mon, 3 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £305, select.
San Juan.£378 per passenger.Departing Wed, 28 Jan.One-way flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Wed, 28 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From £378, select.

Find the cheapest month to fly from London to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to San Juan flights are currently cheapest in April.
Apr
from £201
May
from £238
Jun
from £232
Jul
from £387
Aug
from £283
Sep
from £275
Oct
from £272
Nov
from £305
Dec
from £391
Jan
from £378
Feb
from £384
Mar
from £531

Alternative London to San Juan routes

Looking for the cheapest, fastest or easiest route from London to San Juan? You could fly into the following airports instead.

London to San Juan: Flight information

The things to know before you go.
Cheapest flight found£201
Cheapest month to flyApril

Finding cheap flights from London to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from London to San Juan is £441. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to San Juan. But we found flights with one or more stops from £441.
As of April 2025, there are no flights flying from London to San Juan.
The cheapest month to fly from London to San Juan is usually April 2025.
If you're flying from London, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from £441.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to San Juan on Monday, 28 April 2025.
No airlines currently offer direct flights between London and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 26°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
The cheapest airline that flies to San Juan is Norse Atlantic Airways (UK) .

How to find cheap flights to San Juan from London

Looking for cheap tickets from London to San Juan? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London to San Juan. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to San Juan from London from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best London-San Juan ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Juan from London.
  • Set up a Price Alert. You can easily track the fare of your cheap London-San Juan flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between London and San Juan? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from London and San Juan. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Juan, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for London to San Juan flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to San Juan from London with hotels and car hire

    Once you've secured your cheap flight ticket from London to San Juan, discover the best prices and exclusive rates for hotels in San Juan or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from London to San Juan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.