LHR - SJU

$496 Find Cheap Flights from London to San Juan - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$810
Typical prices: $771-$1,169
JetBlue
Thu 11/1Thu 11/8
LHR - SJU • 1 stop
Cheapest one-way
$496
Typical prices: $599-$1,003
Multiple Airlines
Thu 11/15
LHR - SJU • 3 stops
Nonstop flights
Not available
There are currently no direct flights between London Heathrow Airport and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
7 weeks
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 20% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Bogotá El Dorado (BOG)
Cheapest • Avg $863 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 12h 59m (one-way)
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Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from London to San Juan

Sun, Nov 1 - Sun, Nov 8
JetBlue Logo
9:20 am - 1:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 53m1 stop Boston Logan Intl
JetBlue Logo
7:00 am - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
19h 55m1 stop Boston Logan Intl
$810JetBlue
Sat, Oct 31 - Sat, Nov 7
JetBlue Logo
8:05 am - 7:42 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
15h 37m1 stop New York John F Kennedy Intl
JetBlue Logo
7:00 am - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
19h 55m1 stop Boston Logan Intl
$812JetBlue
Sat, Oct 31 - Sat, Nov 7
JetBlue Logo
9:20 am - 12:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
18h 53m1 stop Boston Logan Intl
JetBlue Logo
7:00 am - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
19h 55m1 stop Boston Logan Intl
$812JetBlue
Thu, Nov 12 - Thu, Nov 26
JetBlue Logo
9:20 am - 1:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 53m1 stop Boston Logan Intl
JetBlue Logo
12:35 pm - 9:30 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 55m1 stop New York John F Kennedy Intl
$814JetBlue
Wed, Nov 11 - Thu, Nov 26
JetBlue Logo
9:20 am - 1:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 53m1 stop Boston Logan Intl
JetBlue Logo
3:05 am - 8:55 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 50m1 stop New York John F Kennedy Intl
$814JetBlue
Sat, Nov 14 - Thu, Nov 26
JetBlue Logo
8:05 am - 8:48 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
16h 43m1 stop New York John F Kennedy Intl
JetBlue Logo
3:05 am - 8:55 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 50m1 stop New York John F Kennedy Intl
$814JetBlue
Thu, Nov 12 - Thu, Nov 26
JetBlue Logo
7:25 am - 12:30 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
21h 05m1 stop New York John F Kennedy Intl
JetBlue Logo
3:05 am - 8:55 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
13h 50m1 stop New York John F Kennedy Intl
$814JetBlue
Sat, Nov 14 - Thu, Nov 26
JetBlue Logo
9:20 am - 1:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 53m1 stop Boston Logan Intl
JetBlue Logo
12:35 pm - 9:30 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
16h 55m1 stop New York John F Kennedy Intl
$814JetBlue
Sat, Nov 21 - Sat, Nov 28
Multiple Airlines Logo
12:20 pm - 3:48 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 28m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
7:25 am - 12:00 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
24h 35m2 stops Miami Madrid Barajas
$845Multiple Airlines
Fri, Feb 12 - Sat, Feb 20
Multiple Airlines Logo
3:30 pm - 4:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
29h 10m2 stops Bilbao Madrid Barajas
Multiple Airlines Logo
9:35 pm - 2:45 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
37h 10m2 stops Madrid Barajas Bilbao
$867Multiple Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport with more confidence.

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

Round-trip flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport start at $810. Prices are typical for this route right now, with typical round-trip fares ranging from $771 to $1,169. The lowest price found in the past 5 days was $810 on JetBlue.

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

Tuesday is the cheapest day of the week to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, it is 10% cheaper than the average day. Friday is the most expensive day with flight prices 4% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•February is the cheapest month to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport at $734 round-trip.
•December ($1,244) and August ($1,237) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 69% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport are cheapest 7 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

August

Cheapest flight

$496
Best time to beat the crowds but there is an average 34% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport

When to book flights from London to San Juan

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

Your London Heathrow Airport to San Juan Luis Munoz Marin Intl 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 London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • New York John F Kennedy Intl (JFK) - 72% of one-stop connections
    • Boston Logan Intl (BOS) - 11% of one-stop connections
    • Madrid Barajas (MAD) - 10% of one-stop connections
    • Bogotá El Dorado (BOG) - 4% of one-stop connections

    New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 14% on the London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport route. Tuesday is the cheapest departure day at $834 round-trip on average, while Friday is the most expensive at $961, a difference of $127. 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 San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 27% above the route average of $921. Book 7 weeks before departure for the lowest fares.

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

    A nonstop flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport takes 0h 00m, covering 4,179 miles.

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

    One-way fares from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $521, which is 33% below the typical average for this route.

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

    Flying via Madrid Barajas (MAD) gives the shortest average 1-stop total travel time at 12h 59m, compared with 13h 38m via Washington, D.C. Dulles Intl (IAD) and 13h 53m via Charlotte Douglas (CLT).

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

    San Juan Luis Munoz Marin Intl Airport is 5 hours behind London Heathrow Airport (Atlantic Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Routes Car & Truck Rentals
    • U-Save
    • Payless
    • Hertz
    • Europcar

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

    Round-trip flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport range from $771 to $1,169, with an average of $921 over the past 12 months. Anything below $771 counts as a good deal.

Your guide to booking London Heathrow Airport to San Juan Luis Munoz Marin Intl 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 Tuesday departure instead of Friday. On this route, Tuesday flights average $834 - about $127 less than Friday (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport trip for February. Fares historically average $734 round-trip in that month - typically $510 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.
    - Coral by The Sea Hotel
    - Hampton Inn & Suites by Hilton San Juan
    - San Juan Airport Hotel

More options for your flight from London to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan