SJU - LON

£194 Find Cheap Flights from San Juan to London – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£517
Typical prices: £739-£910
United Airlines
Thu 3/12Sat 5/12
SJU - LHR • 1 stop
Cheapest one-way flight
£194
Typical prices: £353-£1,182
JetBlue
Fri 15/1
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
Cheapest • Avg £508 (return)
Shortest trip • 12h 18m (one-way)
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When to travel
Cheapest • 22% price drop
Most popular
Good to know
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Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Juan to London

Thu, 3 Dec - Sat, 5 Dec
United Airlines Logo
02:05 - 20:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
14h 30m1 stop Newark
United Airlines Logo
06:50 - 21:00LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 10m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£517United Airlines
Thu, 3 Dec - Sat, 5 Dec
United Airlines Logo
02:05 - 07:10SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
25h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
17:30 - 22:22LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
32h 52m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
£529United Airlines
Mon, 1 Feb - Thu, 4 Feb
United Airlines Logo
16:55 - 07:55SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
35h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
06:50 - 13:32LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
34h 42m2 stops Brussels Bruxelles-National Newark
£530United Airlines
Mon, 1 Feb - Thu, 4 Feb
United Airlines Logo
16:55 - 07:55SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
35h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
06:50 - 13:32LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
34h 42m2 stops Brussels Bruxelles-National Newark
£531United Airlines
Thu, 26 Nov - Mon, 30 Nov
Avianca Logo
18:20 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 15m1 stop Bogotá El Dorado
Avianca Logo
21:35 - 16:55LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
23h 20m1 stop Bogotá El Dorado
£545Avianca
Thu, 26 Nov - Mon, 30 Nov
Avianca Logo
18:20 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 15m1 stop Bogotá El Dorado
Avianca Logo
21:35 - 16:55LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
23h 20m1 stop Bogotá El Dorado
£546Avianca
Thu, 24 Dec - Wed, 30 Dec
Avianca Logo
18:20 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 15m1 stop Bogotá El Dorado
Avianca Logo
21:35 - 16:55LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
23h 20m1 stop Bogotá El Dorado
£547Avianca
Thu, 22 Apr - Tue, 27 Apr
Virgin Atlantic Logo
13:00 - 07:25SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 25m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
08:55 - 23:19LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 24m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£548Virgin Atlantic
Wed, 3 Feb - Wed, 17 Feb
Avianca Logo
18:20 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 15m1 stop Bogotá El Dorado
Avianca Logo
21:35 - 16:55LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
23h 20m1 stop Bogotá El Dorado
£552Avianca
Mon, 1 Feb - Mon, 8 Feb
Avianca Logo
18:20 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 15m1 stop Bogotá El Dorado
Avianca Logo
21:35 - 11:25LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
17h 50m1 stop Bogotá El Dorado
£553Avianca
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?

Flight prices are below average for this route right now.

Flights to London from San Juan Luis Munoz Marin Intl Airport usually cost between £540 and £657 in December.
The lowest price found in the past 5 days was £517 on United Airlines (3 Dec–5 Dec).

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

The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to London is February, where tickets cost £537 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £909 and £814 respectively.

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

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 15 weeks before departure.

Good to know - Cheap tickets from San Juan to London

Low season

January

Cheapest flight

£194
Best time to beat the crowds (31% less expensive on average)
Most popular time to fly and prices are also 33% lower 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

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 5 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to London was £194 for a one-way ticket and £517 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.

More options for your flight from San Juan to London

Complete your trip to London with a hotel stay or car hire