SJU - LHR

£202 Find Cheap Flights from San Juan to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£518
Typical prices: £539-£812
United Airlines
Sat 1/12Mon 3/12
SJU - LHR • 1 stop
Cheapest one-way flight
£202
Typical prices: £263-£428
Virgin Atlantic
Fri 23/11
SJU - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between San Juan Luis Munoz Marin Intl Airport and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 29% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg £487 (return)
Madrid Barajas (MAD)
Shortest trip • 13h 06m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to London Heathrow Airport!
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Flight Deals

Cheap Flights from San Juan to Heathrow (SJU-LHR)

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

Recent return flight deals from San Juan to Heathrow

Tue, 1 Dec - Thu, 3 Dec
United Airlines Logo
02:05 - 21:20SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 15m1 stop Newark
United Airlines Logo
06:50 - 11:50LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
33h 00m2 stops Brussels Bruxelles-National Newark
£518United Airlines
Sun, 6 Dec - Mon, 7 Dec
United Airlines Logo
08:05 - 06:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
18h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
09:00 - 14:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
33h 40m2 stops Zurich Newark
£519United Airlines
Sat, 5 Dec - Mon, 7 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
12:05 - 11:50LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
27h 45m2 stops Zurich Newark
£521United Airlines
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
07:00 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
24h 40m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:30 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£523Virgin Atlantic
Tue, 20 Apr - Tue, 27 Apr
Virgin Atlantic Logo
13:15 - 08:50SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
14h 35m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
06:30 - 20:20LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 50m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£534Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
16:20 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 20m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:30 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£534Virgin Atlantic
Wed, 2 Dec - Thu, 3 Dec
United Airlines Logo
08:05 - 10:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
22h 00m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National
United Airlines Logo
13:00 - 00:36LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
39h 36m2 stops Montreal Pierre Elliott Trudeau Intl Newark
£537United Airlines
Thu, 22 Apr - Wed, 28 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
£538Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
07:00 - 07:50SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
20h 50m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:20 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 53m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£540Virgin Atlantic
Thu, 26 Nov - Thu, 3 Dec
Virgin Atlantic Logo
07:00 - 09:00SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
22h 00m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
10:50 - 23:13LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
16h 23m1 stop Atlanta Hartsfield-Jackson
£543Virgin Atlantic
Booking Insights

Price, demand, and travel trends for San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

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

Return flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport typically range from £539 to £812. The lowest price found in the past 5 days was £518 on United Airlines.

What's the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. It's 14% cheaper than the average day, while Friday is the most expensive, with prices 11% higher.

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

•February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport at £479 return.
•June (£887) and July (£814) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 85% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport the cheapest?

Flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights

Low season

September

Cheapest flight

£202
Beat the crowds with an average 25% drop in traveller numbers.
The most popular month to fly with an average 23% increase in traveller numbers.
One-way flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport

When to book flights from San Juan to Heathrow

Are your dates flexible? Find out the best times to travel from San Juan to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Three cabin classes are available on flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    A direct flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport takes 00m, covering 4,179 miles.

  • Do I need a passport to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight?

    Return flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport range from £539 to £812, with an average of £674 over the past 12 months. Anything below £539 counts as a good deal.

  • How expensive are last-minute San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 7% above the £674 route average. Book 15 weeks before departure for the lowest fares.

  • How are flight prices from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport looking right now?

    One-way fares from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £218, which is 32% below the typical average for this route.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £29 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport usually depart from San Juan Luis Munoz Marin Intl (SJU) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport pass through?

    One-stop flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport most commonly connect through:

    • Madrid Barajas (MAD) – 30% of one-stop connections
    • New York John F Kennedy Intl (JFK) – 20% of one-stop connections
    • Miami (MIA) – 16% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 15% of one-stop connections

  • Can I save money by using flexible dates for flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Yes. Flexible dates can save you up to 23% on flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. Saturday is the cheapest departure day at £581 return on average, while Friday is the most expensive at £750, a difference of £169.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time of 13h 06m, compared to 14h 08m via Philadelphia (PHL) and 14h 13m via Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between San Juan Luis Munoz Marin Intl Airport and London Heathrow Airport?

    London Heathrow Airport is 4 hours ahead of San Juan Luis Munoz Marin Intl Airport (British Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average £581, about £169 less than Friday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport trip for February. Fares historically average £479 return in that month – typically £408 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from San Juan to Heathrow

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

Car hire in London
Hotels in London
Holidays in London