SJU - LON

£198 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 5/10. 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
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£596
Typical prices: £680-£502
Iberia
Sun 9/8Wed 19/8
SJU - LHR • 1 stop
Cheapest one-way flight
£198
Typical prices: £260-£328
Virgin Atlantic
Mon 5/10
SJU - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between San Juan and London. You’ll need at least 1 connection.
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Top stopover airports
Atlanta (ATL)
Cheapest • Avg £508 (return)
Madrid (MAD)
Shortest trip • 12h 40m (one-way)
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When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 28% compared to booking last minute.
Insights
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When to travel
February
Cheapest • 76% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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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

Sun, 9 Aug - Wed, 19 Aug
Iberia Logo
15:28 - 09:25
SJU
-
LHR
12h 57m
1 stop
Iberia Logo
10:50 - 18:50
LHR
-
SJU
13h 00m
1 stop
£596Iberia
Wed, 12 Aug - Wed, 26 Aug
American Airlines Logo
15:47 - 12:50
SJU
-
LHR
16h 03m
1 stop
American Airlines Logo
11:30 - 18:50
LHR
-
SJU
12h 20m
1 stop
£601American Airlines
Wed, 12 Aug - Wed, 26 Aug
American Airlines Logo
15:47 - 12:50
SJU
-
LHR
16h 03m
1 stop
American Airlines Logo
06:15 - 18:50
LHR
-
SJU
17h 35m
1 stop
£603American Airlines
Wed, 9 Sep - Wed, 23 Sep
United Airlines Logo
07:00 - 11:35
SJU
-
LHR
23h 35m
1 stop
United Airlines Logo
06:50 - 23:50
LHR
-
SJU
22h 00m
2 stops
£606United Airlines
Tue, 11 Aug - Wed, 26 Aug
United Airlines Logo
01:00 - 20:40
SJU
-
LHR
14h 40m
1 stop
United Airlines Logo
09:30 - 23:50
LHR
-
SJU
19h 20m
2 stops
£608United Airlines
Wed, 9 Sep - Wed, 23 Sep
KLM Logo
13:35 - 08:50
SJU
-
LHR
14h 15m
1 stop
KLM Logo
11:20 - 23:44
LHR
-
SJU
17h 24m
1 stop
£628KLM
Wed, 12 Aug - Wed, 26 Aug
Delta Logo
06:48 - 06:45
SJU
-
LHR
18h 57m
2 stops
Delta Logo
16:20 - 13:42
LHR
-
SJU
26h 22m
2 stops
£630Delta
Fri, 14 Aug - Fri, 28 Aug
JetBlue Logo
16:55 - 09:35
SJU
-
LGW
11h 40m
1 stop
JetBlue Logo
12:20 - 01:55
LGW
-
SJU
18h 35m
1 stop
£687JetBlue
Fri, 14 Aug - Fri, 28 Aug
JetBlue Logo
16:55 - 09:35
SJU
-
LGW
11h 40m
1 stop
JetBlue Logo
12:20 - 01:55
LGW
-
SJU
18h 35m
1 stop
£701JetBlue
Mon, 1 Jun - Thu, 18 Jun
KLM Logo
14:00 - 16:40
SJU
-
LCY
21h 40m
2 stops
KLM Logo
09:20 - 23:43
LCY
-
SJU
19h 23m
2 stops
£785KLM
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 August.

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 £74 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £601 and £455 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 2 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

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Good to know - Cheap tickets from San Juan to London

Low seasonJanuary
Cheapest flight£198
Best time to beat the crowds (21% less expensive on average)
Most popular time to fly (18% more expensive on average)
Flight from San Juan to London Heathrow 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 £198 for a one-way ticket and £596 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)