LHR - SJU

$450 Find Cheap Flights from London to San Juan - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$844
Typical prices: $787-$1,194
JetBlue
Sat 12/1Sat 12/8
LHR - SJU • 1 stop
Cheapest one-way
$450
Typical prices: $590-$913
JetBlue
Mon 12/10
LHR - SJU • 1 stop
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 47% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 25% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Bogotá El Dorado (BOG)
Cheapest • Avg $882 (round-trip)
Madrid Barajas (MAD)
Shortest trip • 12h 58m (one-way)
Insights
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

Tue, Dec 1 - Tue, Dec 8
JetBlue Logo
7:25 am - 11:30 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
20h 05m1 stop New York John F Kennedy Intl
JetBlue Logo
1:55 pm - 9:30 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
15h 35m1 stop New York John F Kennedy Intl
$844JetBlue
Tue, Nov 10 - Thu, Nov 19
Multiple Airlines Logo
9:20 am - 1:13 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 53m1 stop Boston Logan Intl
Multiple Airlines Logo
8:25 am - 8:15 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
19h 50m1 stop Miami
$880Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
6:40 pm - 1:58 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
35h 18m2 stops Zurich Miami
Multiple Airlines Logo
5:01 am - 4:20 pmSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
31h 19m3 stops Atlanta Hartsfield-Jackson Miami Zurich
$882Multiple Airlines
Thu, Nov 26 - Thu, Dec 3
JetBlue Logo
7:25 am - 6:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
15h 15m1 stop New York John F Kennedy Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
Tue, Nov 24 - Fri, Dec 4
JetBlue Logo
9:20 am - 12:40 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 20m1 stop Boston Logan Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
Mon, Nov 23 - Fri, Dec 4
JetBlue Logo
12:20 pm - 3:27 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 07m1 stop New York John F Kennedy Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
Tue, Nov 24 - Thu, Dec 3
JetBlue Logo
9:20 am - 12:40 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 20m1 stop Boston Logan Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
Mon, Nov 23 - Thu, Dec 3
JetBlue Logo
8:05 am - 6:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
14h 35m1 stop New York John F Kennedy Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
Mon, Nov 23 - Tue, Dec 1
JetBlue Logo
9:20 am - 12:40 amLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
19h 20m1 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
$887JetBlue
Thu, Nov 26 - Fri, Dec 4
JetBlue Logo
7:25 am - 6:40 pmLHR  London Heathrow-SJU San Juan Luis Munoz Marin Intl
15h 15m1 stop New York John F Kennedy Intl
JetBlue Logo
2:45 pm - 6:55 amSJU  San Juan Luis Munoz Marin Intl-LHR London Heathrow
12h 10m1 stop Boston Logan Intl
$887JetBlue
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 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 typically range from $787 to $1,194. The lowest price found in the past 5 days was $844, on JetBlue.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 7% higher.

What’s 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 $720 round-trip.
•December ($1,247) and July ($1,229) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 47% 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

July

Cheapest flight

$450
Beat the crowds with an average 62% drop in travelers.
The most popular month to fly with an average 72% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • 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 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 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 $787 to $1,194, with an average of $955 over the past 12 months. Anything below $787 counts as a good deal.

  • 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 two weeks of departure) run 27% above the $955 route average. Book 7 weeks before departure for the lowest fares.

  • 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 $530, which is 26% below the typical average for this route.

  • 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 averaging $40 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • 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).

  • 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) - 73% of one-stop connections
    • Madrid Barajas (MAD) - 11% of one-stop connections
    • Boston Logan Intl (BOS) - 9% of one-stop connections
    • Bogotá El Dorado (BOG) - 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 17% on flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport. Wednesday is the cheapest departure day at $858 round-trip on average, while Friday is the most expensive at $1,028, a difference of $170.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 58m, compared with 13h 38m via Washington, D.C. Dulles Intl (IAD) and 14h 10m via Philadelphia (PHL).

  • 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 4 hours behind London Heathrow Airport (Atlantic Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

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

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 are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $858, about $170 less than Friday fares (17% 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 47% 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 $720 round-trip in that month - typically $527 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
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

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