SJU - LON

£186 Find Cheap Flights from San Juan to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Juan to London departing on 24/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to London, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 25% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£412
Typical prices: £453-£605
Iberia
Tue 24/2Tue 3/3
SJU - LHR • 1 stop
Cheapest one-way flight
£186
Multiple Airlines
Tue 24/2
SJU - LGW • 2 stops
When to travel
February
Cheapest • 24% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to London!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Juan to London (SJU-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Juan to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Juan to London

Tue, 24 Feb - Tue, 3 Mar
Iberia Logo
16:40 - 12:05
SJU
-
LHR
15h 25m
1 stop
Iberia Logo
10:45 - 19:55
LHR
-
SJU
13h 10m
1 stop
£412Iberia
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
14:10 - 08:25
SJU
-
LHR
14h 15m
1 stop
United Airlines Logo
06:50 - 21:00
LHR
-
SJU
18h 10m
2 stops
£415United Airlines
Tue, 24 Feb - Tue, 3 Mar
United Airlines Logo
16:52 - 11:15
SJU
-
LHR
14h 23m
1 stop
United Airlines Logo
06:50 - 21:00
LHR
-
SJU
18h 10m
2 stops
£419United Airlines
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
08:30 - 09:20
SJU
-
LHR
20h 50m
2 stops
United Airlines Logo
06:50 - 22:22
LHR
-
SJU
19h 32m
2 stops
£420United Airlines
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
14:23 - 08:35
SJU
-
LHR
14h 12m
1 stop
British Airways Logo
11:25 - 19:55
LHR
-
SJU
12h 30m
1 stop
£420British Airways
Fri, 27 Feb - Fri, 6 Mar
Multiple Airlines Logo
12:27 - 10:00
SJU
-
LGW
17h 33m
1 stop
Multiple Airlines Logo
14:00 - 23:09
LGW
-
SJU
37h 09m
1 stop
£519Multiple Airlines
Fri, 3 Apr - Tue, 7 Apr
Multiple Airlines Logo
07:00 - 10:00
SJU
-
LGW
22h 00m
1 stop
Multiple Airlines Logo
14:00 - 08:53
LGW
-
SJU
23h 53m
1 stop
£522Multiple Airlines
Wed, 18 Feb - Thu, 26 Feb
British Airways Logo
21:25 - 14:05
SJU
-
LCY
12h 40m
1 stop
British Airways Logo
07:50 - 16:40
LCY
-
SJU
12h 50m
1 stop
£657British Airways
Sun, 22 Mar - Mon, 30 Mar
KLM Logo
13:14 - 09:30
SJU
-
LCY
16h 16m
2 stops
KLM Logo
09:20 - 23:15
LCY
-
SJU
18h 55m
2 stops
£742KLM
Sun, 22 Mar - Mon, 30 Mar
KLM Logo
13:14 - 09:30
SJU
-
LCY
16h 16m
2 stops
KLM Logo
08:25 - 23:59
LCY
-
SJU
20h 34m
2 stops
£742KLM
Booking Insights

KAYAK's insights & trends for San Juan to London flights

Get data-powered insights and trends into flights from San Juan to London to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from San Juan Luis Munoz Marin Intl Airport to London?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from San Juan Luis Munoz Marin Intl Airport to London departing in February.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to London is February, where tickets cost £423 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £836 and £684 respectively.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Juan Luis Munoz Marin Intl Airport to London, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Find deals

Good to know - Cheap tickets from San Juan to London

Low seasonSeptember
Cheapest flight£186
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flight from San Juan to London Gatwick Airport

When to book flights from San Juan to London

Are your dates flexible? Find out the best times to travel from San Juan to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan to London flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to London?

    In the last 3 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to London was £186 for a one-way ticket and £412 for a return.

  • Which airports will I be using when flying from San Juan to London?

    On your way to London, you’ll fly out from San Juan Luis Munoz Marin Intl. You’ll be landing in one of London’s 2 airports: London Gatwick or London Heathrow.

  • Which aircraft models fly most regularly from San Juan to London?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Juan to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from San Juan is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to San Juan with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Juan to London

Information on your arrival and departure airports

San Juan (SJU)