Cheap flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport from £310
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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
15 Oct — 22 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from London Heathrow to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 11 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Cheap flight deals from Heathrow to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Luis Munoz Marin Intl (SJU). 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 15 September 2025.
Find flight deals from Heathrow to Luis Munoz Marin Intl
Cheapest flights from Heathrow to Luis Munoz Marin Intl
Explore the most affordable flight options available from Heathrow to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.
Wed 3/1212:20LHR - SJU
1 stop19h 28mJetBlue
Tue 9/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£509
Mon 13/1022:05LHR - SJU
1 stop23h 45mAvianca
Mon 20/1018:15SJU - LHR
1 stop16h 20mAvianca
Deal found 15/9£518
Tue 2/1207:25LHR - SJU
1 stop18h 29mJetBlue
Wed 10/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£520
Mon 1/1208:05LHR - SJU
1 stop20h 50mJetBlue
Mon 8/1219:48SJU - LHR
1 stop21h 52mJetBlue
Deal found 14/9£520
Mon 1/1208:05LHR - SJU
2 stops21h 49mIcelandair
Mon 8/1206:10SJU - LHR
1 stop20h 45mIcelandair
Deal found 14/9£534
Thu 4/1212:20LHR - SJU
1 stop19h 28mJetBlue
Wed 10/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£539
Thu 6/1121:40LHR - SJU
1 stop23h 25mAvianca
Sat 15/1113:00SJU - LHR
1 stop21h 35mAvianca
Deal found 14/9£543
Wed 29/1012:15LHR - SJU
2 stops18h 48mMultiple Airlines
Wed 5/1109:00SJU - LHR
2 stops21h 50mMultiple Airlines
Deal found 14/9£546
Mon 20/1008:15LHR - SJU
1 stop13h 27mJetBlue
Tue 2/1215:46SJU - LHR
1 stop13h 44mJetBlue
Deal found 15/9£548
Fri 24/1008:25LHR - SJU
1 stop33h 24mJetBlue
Wed 29/1012:51SJU - LHR
1 stop14h 04mJetBlue
Deal found 15/9£549
Mon 1/1208:05LHR - SJU
1 stop13h 55mJetBlue
Tue 9/1205:15SJU - LHR
1 stop12h 25mJetBlue
Deal found 14/9£553
Sat 8/1112:50LHR - SJU
1 stop15h 46mUnited Airlines
Wed 12/1102:05SJU - LHR
1 stop15h 15mUnited Airlines
Deal found 15/9£554
Best flights from Heathrow to Luis Munoz Marin Intl
Discover carefully curated flight deals from Heathrow to Luis Munoz Marin Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.
Wed 3/1212:20LHR - SJU
1 stop19h 28mJetBlue
Tue 9/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£509
Wed 3/1212:20LHR - SJU
1 stop19h 28mJetBlue
Thu 11/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£509
Mon 27/1008:05LHR - SJU
1 stop22h 43mJetBlue
Mon 10/1109:30SJU - LHR
1 stop20h 00mJetBlue
Deal found 14/9£518
Tue 9/1212:20LHR - SJU
1 stop19h 28mJetBlue
Tue 16/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£520
Wed 10/1209:20LHR - SJU
1 stop18h 34mJetBlue
Tue 16/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£520
Thu 5/209:20LHR - SJU
1 stop18h 36mJetBlue
Tue 17/216:10SJU - LHR
1 stop13h 20mJetBlue
Deal found 13/9£538
Sat 7/208:05LHR - SJU
1 stop15h 08mJetBlue
Sun 15/201:59SJU - LHR
1 stop14h 46mJetBlue
Deal found 13/9£538
Fri 5/1209:20LHR - SJU
1 stop18h 34mJetBlue
Thu 11/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£539
Thu 4/1212:20LHR - SJU
1 stop19h 28mJetBlue
Wed 10/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 14/9£539
Sat 7/208:05LHR - SJU
1 stop19h 50mJetBlue
Sat 14/201:59SJU - LHR
1 stop14h 46mJetBlue
Deal found 13/9£543
Wed 7/109:20LHR - SJU
1 stop18h 36mJetBlue
Tue 13/111:15SJU - LHR
1 stop18h 15mJetBlue
Deal found 14/9£553
Sat 6/1212:20LHR - SJU
1 stop19h 28mJetBlue
Sat 13/1205:10SJU - LHR
1 stop12h 50mJetBlue
Deal found 14/9£554
Last-minute flights from Heathrow to Luis Munoz Marin Intl
Discover last-minute flight deals from Heathrow to Luis Munoz Marin Intl. Data last updated 15 September 2025 and is based on user searches.
Sat 11/1013:00LHR - SJU
1 stop15h 57mUnited Airlines
Fri 17/1001:05SJU - LHR
1 stop14h 35mUnited Airlines
Deal found 13/9£596
Mon 13/1022:05LHR - SJU
1 stop23h 45mAvianca
Mon 20/1018:15SJU - LHR
1 stop16h 20mAvianca
Deal found 15/9£518
Fri 17/1008:25LHR - SJU
1 stop33h 24mJetBlue
Sun 26/1019:10SJU - LHR
1 stop31h 45mJetBlue
Deal found 14/9£572
Fri 17/1008:25LHR - SJU
2 stops21h 32mIcelandair
Sun 26/1019:10SJU - LHR
2 stops21h 35mIcelandair
Deal found 14/9£593
Mon 20/1008:15LHR - SJU
1 stop13h 27mJetBlue
Tue 2/1215:46SJU - LHR
1 stop13h 44mJetBlue
Deal found 15/9£548
Fri 24/1008:25LHR - SJU
1 stop33h 24mJetBlue
Wed 29/1012:51SJU - LHR
1 stop14h 04mJetBlue
Deal found 15/9£549
Fri 24/1018:15LHR - SJU
3 stops35h 39mMultiple Airlines
Tue 28/1002:49SJU - LHR
3 stops25h 01mMultiple Airlines
Deal found 15/9£627
Tue 28/1007:25LHR - SJU
1 stop17h 29mJetBlue
Tue 4/1108:10SJU - LHR
1 stop18h 45mJetBlue
Deal found 13/9£509
Tue 28/1012:05LHR - SJU
3 stops30h 07mMultiple Airlines
Mon 3/1103:48SJU - LHR
3 stops35h 27mMultiple Airlines
Deal found 13/9£606
Wed 29/1021:40LHR - SJU
1 stop17h 55mAvianca
Thu 30/1018:30SJU - LHR
1 stop16h 05mAvianca
Deal found 14/9£543
Wed 29/1012:15LHR - SJU
2 stops18h 48mMultiple Airlines
Wed 5/1109:00SJU - LHR
2 stops21h 50mMultiple Airlines
Deal found 14/9£546
One-way flights from Heathrow to Luis Munoz Marin Intl
Search for one-way flight options from Heathrow to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.
Fri 7/1108:05LHR - SJU
1 stop23h 43mJetBlue
Deal found 14/9£310
Tue 2/1212:20LHR - SJU
1 stop19h 28mJetBlue
Deal found 15/9£340
Wed 22/1007:00LHR - SJU
3 stops24h 02mMultiple Airlines
Deal found 13/9£372
Thu 16/1007:45LHR - SJU
2 stops28h 20mMultiple Airlines
Deal found 14/9£383
Fri 7/1119:55LHR - SJU
2 stops35h 38mMultiple Airlines
Deal found 14/9£387
Thu 5/219:05LHR - SJU
1 stop25h 35mIberia
Deal found 14/9£407
Wed 22/1008:15LHR - SJU
1 stop13h 40mJetBlue
Deal found 13/9£425
Tue 2/1208:55LHR - SJU
3 stops28h 57mMultiple Airlines
Deal found 15/9£434
Mon 5/107:50LHR - SJU
2 stops36h 29mMultiple Airlines
Deal found 12/9£451
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Luis Munoz Marin Intl 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 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Heathrow
Fly to
Luis Munoz Marin Intl
Route
Depart
Return
Price
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Wed 3/12
12:20-03:48
1 stop19h 28m
San Juan Luis Munoz Marin Intl
Tue 9/12
13:41-06:55
1 stop13h 14m
£509
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Wed 3/12
12:20-03:48
1 stop19h 28m
San Juan Luis Munoz Marin Intl
Thu 11/12
13:41-06:55
1 stop13h 14m
£509
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Mon 27/10
08:05-02:48
1 stop22h 43m
San Juan Luis Munoz Marin Intl
Mon 10/11
09:30-09:30
1 stop20h 00m
£518
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Tue 9/12
12:20-03:48
1 stop19h 28m
San Juan Luis Munoz Marin Intl
Tue 16/12
13:41-06:55
1 stop13h 14m
£520
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Wed 10/12
09:20-23:54
1 stop18h 34m
San Juan Luis Munoz Marin Intl
Tue 16/12
13:41-06:55
1 stop13h 14m
£520
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Thu 5/2
09:20-23:56
1 stop18h 36m
San Juan Luis Munoz Marin Intl
Tue 17/2
16:10-09:30
1 stop13h 20m
£538
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Sat 7/2
08:05-19:13
1 stop15h 08m
San Juan Luis Munoz Marin Intl
Sun 15/2
01:59-20:45
1 stop14h 46m
£538
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Fri 5/12
09:20-23:54
1 stop18h 34m
San Juan Luis Munoz Marin Intl
Thu 11/12
13:41-06:55
1 stop13h 14m
£539
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Thu 4/12
12:20-03:48
1 stop19h 28m
San Juan Luis Munoz Marin Intl
Wed 10/12
13:41-06:55
1 stop13h 14m
£539
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
Sat 7/2
08:05-23:55
1 stop19h 50m
San Juan Luis Munoz Marin Intl
Sat 14/2
01:59-20:45
1 stop14h 46m
£543
Flights are sorted by cheapest return flights first.
Deals found on 15/9
Showing 1-10 of 21 results
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Best time to book a flight from Heathrow to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport
Prices
More
How far ahead should I book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a return flight from Heathrow to Luis Munoz Marin Intl. Price data was last updated on 12 September 2025.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.
What’s the top stopover airport for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Share of one-stop return flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
New York (JFK) – chosen by Cheapflights users on 53% of one-stop itineraries from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the fastest stopover option from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 13h 54m.
What’s the fastest stopover option from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 13h 54m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average stopover time of 1h 33m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated 15 September 2025.
See what other customers who have flown with Finnair, JetBlue, andIcelandair from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
For as low as £509, JetBlue can have you in San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport in 19h 28m. Airlines will cover a distance of 4179 mi.
What are the cheapest airlines flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport round-trip?
According to our current data, Virgin Atlantic (£340), JetBlue (£439), and Icelandair (£445) offers the cheapest pricing from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport. You may be able to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport for 46% less than the average price by searching for these airlines.
Can I find deals for flights from Heathrow to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Heathrow to Luis Munoz Marin Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Luis Munoz Marin Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Luis Munoz Marin Intl.
Can I find deals for business class flights from Heathrow to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Heathrow to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport (average of £631). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of £1,027). 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.
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2025.
Top 6 airlines flying from Heathrow to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Heathrow to Luis Munoz Marin Intl. 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 858,174 searches. Data last updated 15 September 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Luis Munoz Marin Intl?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Luis Munoz Marin Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Luis Munoz Marin Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Luis Munoz Marin Intl from Heathrow.
Can Cheapflights find flights from Heathrow to Luis Munoz Marin Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Luis Munoz Marin Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Heathrow to Luis Munoz Marin Intl become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Luis Munoz Marin Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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