SJU - LHR

£196 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
£477
Typical prices: £521-£774
Iberia
Mon 5/11Sat 10/11
SJU - LHR • 1 stop
Cheapest one-way flight
£196
Typical prices: £265-£429
Virgin Atlantic
Fri 5/10
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
6 weeks
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 31% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg £481 (return)
Madrid Barajas (MAD)
Shortest trip • 13h 15m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
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

Thu, 5 Nov - Tue, 10 Nov
Iberia Logo
15:17 - 08:15SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 58m1 stop Miami
Iberia Logo
06:05 - 16:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Madrid Barajas
£477Iberia
Wed, 28 Oct - Mon, 9 Nov
Iberia Logo
18:10 - 10:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 25m1 stop Madrid Barajas
Iberia Logo
06:15 - 16:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
£486Iberia
Thu, 5 Nov - Tue, 10 Nov
Virgin Atlantic Logo
15:59 - 06:25SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
34h 26m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:20 - 23:15LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 55m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£492Virgin Atlantic
Wed, 28 Oct - Mon, 9 Nov
Virgin Atlantic Logo
14:59 - 11:40SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 41m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:20 - 23:15LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 55m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
£500Virgin Atlantic
Fri, 25 Sep - Mon, 28 Sep
United Airlines Logo
14:55 - 07:55SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
36h 00m1 stop Houston George Bush Intcntl
United Airlines Logo
06:50 - 13:45LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
35h 55m2 stops Brussels Bruxelles-National Newark
£505United Airlines
Wed, 11 Nov - Tue, 24 Nov
Iberia Logo
18:10 - 14:55SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 45m1 stop Madrid Barajas
Iberia Logo
06:05 - 16:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Madrid Barajas
£506Iberia
Wed, 11 Nov - Tue, 24 Nov
Iberia Logo
18:10 - 14:55SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 45m1 stop Madrid Barajas
Iberia Logo
06:05 - 16:40LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Madrid Barajas
£506Iberia
Thu, 26 Nov - Thu, 3 Dec
Iberia Logo
21:35 - 16:05SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
14h 30m1 stop Madrid Barajas
Iberia Logo
09:45 - 21:38LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
15h 53m1 stop Miami
£508Iberia
Thu, 5 Nov - Mon, 9 Nov
Avianca Logo
12:50 - 14:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
21h 45m1 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
£509Avianca
Wed, 14 Oct - Wed, 21 Oct
Avianca Logo
18:35 - 15:35SJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 00m1 stop Bogotá El Dorado
Avianca Logo
22:05 - 11:25LHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 20m1 stop Bogotá El Dorado
£509Avianca
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 from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport 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 start at £477. Prices are below average for this route right now, with typical return fares ranging from £521 to £774. The lowest price found in the past 5 days was £477 on Iberia.

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

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

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 £444 return.
  • June (£846) and July (£792) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 90% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 6 weeks before departure. Booking in this window typically costs about 29% 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

August

Cheapest flight

£196
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly (23% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

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

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

    • Economy class
    • Business Class

  • 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) – 24% of one-stop connections
    • New York John F Kennedy Intl (JFK) – 23% of one-stop connections
    • Miami (MIA) – 16% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 13% of one-stop connections

    Madrid Barajas (MAD) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 22% on the San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport route. Monday is the cheapest departure day at £579 return on average, while Friday is the most expensive at £740, a difference of £161. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Some of the most popular sights in London Heathrow Airport are London Victoria Station, London Euston Railway Station, and Hyde Park. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • 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 2 weeks of departure) run 9% above the route average of £644. Book 6 weeks before departure for the lowest fares.

  • 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 0h 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 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 £220, which is 33% below the typical average for this route.

  • 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 15m, compared to 13h 47m via Philadelphia (PHL) and 14h 05m via Boston Logan Intl (BOS).

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

    London Heathrow Airport is 5 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.

  • 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 £5 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • 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 £521 to £774, with an average of £644 over the past 12 months. Anything below £521 counts as a good deal.

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 Monday departure instead of Friday. On this route, Monday flights average £579 – about £161 less than Friday (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 29% 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 £444 return in that month – typically £403 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