Cheap flights from London Heathrow Airport to San Juan from £388
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
The best prices from London Heathrow to San Juan are usually found in April or September, booked 76 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Find flights from Heathrow to San Juan within your budget
Customise your flight search to find flights from Heathrow to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 939,815 searches. Data last updated 21 November 2024.
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Tue 25/2
08:25-18:52
1 stop14h 27m
San Juan Luis Munoz Marin Intl
Sun 2/3
22:45-20:45
1 stop18h 00m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 28/2
07:25-22:57
2 stops19h 32m
San Juan Luis Munoz Marin Intl
Sat 8/3
22:45-20:45
1 stop18h 00m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Mon 13/1
06:30-00:37
3 stops22h 07m
San Juan Luis Munoz Marin Intl
Mon 27/1
22:09-07:55
2 stops29h 46m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Mon 17/2
06:30-19:45
1 stop17h 15m
San Juan Luis Munoz Marin Intl
Fri 21/2
16:44-12:20
1 stop15h 36m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 24/1
11:10-06:12
2 stops23h 02m
San Juan Luis Munoz Marin Intl
Fri 31/1
16:52-11:15
1 stop14h 23m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Sat 11/1
19:55-11:53
2 stops43h 58m
San Juan Luis Munoz Marin Intl
Sat 25/1
05:00-11:25
2 stops26h 25m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Sat 18/1
15:00-14:35
1 stop27h 35m
San Juan Luis Munoz Marin Intl
Wed 19/2
02:05-07:10
2 stops25h 05m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 4/4
11:05-23:51
1 stop17h 46m
San Juan Luis Munoz Marin Intl
Tue 15/4
07:25-10:40
1 stop22h 15m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 13/12
06:05-21:50
2 stops19h 45m
San Juan Luis Munoz Marin Intl
Sun 22/12
21:20-18:15
1 stop16h 55m
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Wed 12/3
08:55-22:13
1 stop17h 18m
San Juan Luis Munoz Marin Intl
Tue 18/3
13:05-07:05
1 stop14h 00m
Cheap flight deals from Heathrow to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.
Find flight deals from Heathrow to San Juan
Cheapest flights from Heathrow to San JuanExplore the most affordable flight options available from Heathrow to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.
Explore the most affordable flight options available from Heathrow to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.
Best time to book a flight from Heathrow to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Heathrow with our price prediction graph.
Travel insights for flights from Heathrow to San Juan
Get recent, data-driven insights about flights from Heathrow to San Juan including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London Heathrow Airport to San Juan?
Use this chart to determine the optimal time to book a return flight from Heathrow to San Juan. Price data was last updated on 15 November 2024.
The best time to book flights from London Heathrow Airport to San Juan is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from London Heathrow Airport to San Juan?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan (average of £631). Flying from London Heathrow Airport to San Juan in July is currently the most expensive (average of £899). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to SJU?
Find hourly flight availability from Heathrow to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to San Juan in the morning. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from London Heathrow Airport to San Juan?
Use this chart to determine the cheapest time to fly return from Heathrow to San Juan. Price data was last updated on 18 November 2024.
Travellers seeking maximum savings on their London Heathrow Airport to San Juan flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 21 November 2024.
Peruse reviews from past customers who have flown with Icelandair and Lufthansa from London to San Juan to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Crew
Overall
Food
Entertainment
Comfort
Boarding
Reviews
Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Related info for your journey
Find useful and relevant information for your journey from Heathrow to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Heathrow to San Juan
Discover the top 8 airlines that operate flights from Heathrow to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 939,815 searches. Data last updated 21 November 2024.
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How does Cheapflights help users find flights from Heathrow to San Juan?
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Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Juan?
Cheapflights simply makes it quick and affordable to book flights from Heathrow to San Juan by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Heathrow to San Juan with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to San Juan flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to San Juan become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!