SJU - LHR

$301 Find Cheap Flights from San Juan to London - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$683
Typical prices: $705-$1,048
United Airlines
Wed 10/24Fri 10/26
SJU - LHR • 1 stop
Cheapest one-way
$301
Typical prices: $359-$580
Delta
Sat 10/13
SJU - LHR • 2 stops
Nonstop 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 travelers 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 layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $650 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 13h 15m (one-way)
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Insights
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We hope you love your trip to London Heathrow Airport!
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Flight Deals

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

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

Recent round-trip flight deals from San Juan to London

Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
6:45 pm - 8:35 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
32h 50m2 stops Newark Ottawa
United Airlines Logo
6:50 am - 11:50 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
22h 00m2 stops Brussels Bruxelles-National Newark
$683United Airlines
Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
2:55 pm - 7:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
36h 00m1 stop Houston George Bush Intcntl
United Airlines Logo
6:50 am - 1:45 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
35h 55m2 stops Brussels Bruxelles-National Newark
$683United Airlines
Wed, Nov 11 - Tue, Nov 24
Iberia Logo
6:10 pm - 2:55 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 45m1 stop Madrid Barajas
Iberia Logo
6:05 am - 4:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop Madrid Barajas
$684Iberia
Wed, Nov 11 - Tue, Nov 24
Iberia Logo
6:10 pm - 6:15 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
20h 05m1 stop Madrid Barajas
Iberia Logo
7:30 am - 4:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
13h 10m1 stop Madrid Barajas
$684Iberia
Wed, Oct 14 - Wed, Oct 21
Avianca Logo
6:35 pm - 3:35 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 00m1 stop Bogotá El Dorado
Avianca Logo
10:05 pm - 11:25 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 20m1 stop Bogotá El Dorado
$686Avianca
Thu, Oct 8 - Mon, Oct 12
Avianca Logo
6:35 pm - 3:35 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 00m1 stop Bogotá El Dorado
Avianca Logo
10:05 pm - 5:10 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
24h 05m1 stop Bogotá El Dorado
$688Avianca
Wed, Nov 11 - Fri, Nov 20
Delta Logo
7:00 am - 7:50 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
20h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:55 am - 11:54 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 59m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$716Delta
Wed, Nov 11 - Thu, Nov 19
Delta Logo
2:10 pm - 8:35 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
14h 25m1 stop New York John F Kennedy Intl
Delta Logo
8:55 am - 11:54 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 59m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
$716Delta
Mon, Nov 2 - Sat, Nov 7
American Airlines Logo
9:35 pm - 2:20 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 45m1 stop Madrid Barajas
American Airlines Logo
8:50 am - 8:00 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
15h 10m1 stop Madrid Barajas
$812American Airlines
Tue, Nov 17 - Fri, Nov 27
American Airlines Logo
9:35 pm - 3:20 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 45m1 stop Madrid Barajas
American Airlines Logo
1:10 pm - 11:57 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 47m1 stop Philadelphia
$841American Airlines
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 round-trip flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

Round-trip flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport start at $683. Prices are below average for this route right now, with typical round-trip fares ranging from $705 to $1,048. The lowest price found in the past 5 days was $683 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?

Monday is the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport, it 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 $600 round-trip.
  • June ($1,145) and July ($1,071) 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

$301
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly with an average 23% increase in price.
Flight from San Juan Luis Munoz Marin Intl Airport 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 round-trip 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).

  • What 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
    • First 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 $783 round-trip on average, while Friday is the most expensive at $1,001, a difference of $218. 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 Hyde Park, Buckingham Palace and Trafalgar Square. 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 $871. 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 nonstop 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 $309, which is 30% below the typical average for this route.

  • How much time can I save by choosing a different layover 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 at 13h 15m, compared with 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.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 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?

    Round-trip flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport range from $705 to $1,048, with an average of $871 over the past 12 months. Anything below $705 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 can be flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average $783 - about $218 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 $600 round-trip in that month - typically $545 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 London

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