Cheap flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport from £301
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
11 1月 — 18 1月1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to San Juan Luis Munoz Marin Intl are usually found in September or March, booked 43 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Cheap flight deals from Heathrow to Luis Munoz Marin Intl
Enter your travel dates to find the best prices.
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 12 12月 2025.
週三 17/1207:25LHR - SJU
1 stop30h 30mJetBlue
週三 25/223:59SJU - LHR
1 stop17h 41mJetBlue
Deal found 10/12£616
週一 29/1209:20LHR - SJU
1 stop14h 05mJetBlue
週三 14/108:15SJU - LHR
1 stop33h 25mJetBlue
Deal found 11/12£636
週二 30/1209:20LHR - SJU
1 stop18h 36mJetBlue
週六 10/108:00SJU - LHR
1 stop18h 55mJetBlue
Deal found 10/12£662
週二 16/1209:20LHR - SJU
1 stop18h 34mJetBlue
週二 17/215:10SJU - LHR
1 stop14h 20mJetBlue
Deal found 11/12£757
週二 16/1213:40LHR - SJU
2 stops37h 54mTAP AIR PORTUGAL
週二 17/206:10SJU - LHR
2 stops26h 30mTAP AIR PORTUGAL
Deal found 10/12£854
週四 11/1212:20LHR - SJU
1 stop19h 28mJetBlue
週日 28/1220:55SJU - LHR
1 stop19h 50mJetBlue
Deal found 10/12£883
週四 18/1207:25LHR - SJU
1 stop18h 44mJetBlue
週四 8/105:01SJU - LHR
1 stop12h 39mJetBlue
Deal found 10/12£891
週四 25/1209:20LHR - SJU
1 stop18h 36mJetBlue
週三 31/1210:38SJU - LHR
1 stop18h 52mJetBlue
Deal found 11/12£898
週二 30/1209:20LHR - SJU
1 stop19h 45mJetBlue
週四 8/106:15SJU - LHR
1 stop20h 40mJetBlue
Deal found 11/12£907
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 12 12月 2025.
週日 1/309:20LHR - SJU
1 stop18h 29mJetBlue
週日 15/306:01SJU - LHR
1 stop34h 44mJetBlue
Deal found 11/12£565
週二 27/112:15LHR - SJU
3 stops31h 20mMultiple Airlines
週二 3/206:00SJU - LHR
3 stops33h 30mMultiple Airlines
Deal found 12/12£577
週一 26/108:15LHR - SJU
2 stops29h 43mTAP AIR PORTUGAL
週四 5/211:06SJU - LHR
2 stops27h 49mTAP AIR PORTUGAL
Deal found 11/12£648
週二 24/312:20LHR - SJU
1 stop14h 31mJetBlue
週三 15/419:40SJU - LHR
1 stop20h 05mJetBlue
Deal found 10/12£579
週四 5/219:05LHR - SJU
2 stops26h 00mMultiple Airlines
週日 15/210:52SJU - LHR
1 stop15h 58mMultiple Airlines
Deal found 12/12£609
週一 23/312:20LHR - SJU
1 stop17h 05mJetBlue
週一 13/401:59SJU - LHR
1 stop13h 46mJetBlue
Deal found 10/12£597
週五 20/312:20LHR - SJU
1 stop18h 07mJetBlue
週六 28/305:10SJU - LHR
1 stop19h 45mJetBlue
Deal found 10/12£603
週一 23/308:05LHR - SJU
1 stop16h 21mJetBlue
週四 16/401:59SJU - LHR
1 stop13h 46mJetBlue
Deal found 10/12£609
週一 9/209:20LHR - SJU
1 stop18h 28mJetBlue
週六 21/205:01SJU - LHR
1 stop12h 59mJetBlue
Deal found 10/12£609
週六 14/208:05LHR - SJU
1 stop19h 54mJetBlue
週一 16/223:50SJU - LHR
1 stop17h 50mJetBlue
Deal found 10/12£627
週五 13/212:20LHR - SJU
1 stop19h 34mJetBlue
週四 19/205:15SJU - LHR
1 stop12h 25mJetBlue
Deal found 10/12£642
週六 10/112:20LHR - SJU
1 stop18h 05mJetBlue
週六 17/114:00SJU - LHR
1 stop12h 55mJetBlue
Deal found 12/12£655
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 12 12月 2025 and is based on user searches.
週三 17/1207:25LHR - SJU
1 stop30h 30mJetBlue
週三 25/223:59SJU - LHR
1 stop17h 41mJetBlue
Deal found 10/12£616
週三 17/1209:15LHR - SJU
2 stops28h 20mIberia
週三 25/210:57SJU - LHR
1 stop17h 38mIberia
Deal found 10/12£1,123
週四 18/1207:25LHR - SJU
1 stop18h 44mJetBlue
週四 8/105:01SJU - LHR
1 stop12h 39mJetBlue
Deal found 10/12£891
週五 19/1220:35LHR - SJU
2 stops31h 21mIcelandair
週一 29/1211:40SJU - LHR
2 stops27h 50mIcelandair
Deal found 10/12£1,125
週六 20/1212:20LHR - SJU
1 stop17h 39mJetBlue
週六 10/108:00SJU - LHR
1 stop18h 55mJetBlue
Deal found 9/12£921
週六 20/1212:20LHR - SJU
1 stop17h 39mJetBlue
週一 29/1201:59SJU - LHR
1 stop15h 41mJetBlue
Deal found 11/12£999
週六 20/1212:20LHR - SJU
1 stop18h 43mJetBlue
週一 29/1212:40SJU - LHR
1 stop14h 15mJetBlue
Deal found 11/12£1,017
週六 20/1220:35LHR - SJU
2 stops31h 21mMultiple Airlines
週六 10/114:15SJU - LHR
1 stop16h 50mMultiple Airlines
Deal found 9/12£1,116
週六 20/1212:20LHR - SJU
1 stop17h 39mJetBlue
週六 27/1220:35SJU - LHR
1 stop30h 20mJetBlue
Deal found 10/12£1,155
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 12 12月 2025.
週二 10/320:50LHR - SJU
2 stops32h 29mMultiple Airlines
Deal found 11/12£301
週二 10/307:25LHR - SJU
1 stop18h 06mJetBlue
Deal found 11/12£332
週五 13/317:25LHR - SJU
2 stops27h 40mMultiple Airlines
Deal found 10/12£338
週六 24/112:20LHR - SJU
1 stop18h 05mJetBlue
Deal found 10/12£340
週日 15/312:20LHR - SJU
1 stop18h 07mJetBlue
Deal found 10/12£360
週二 9/620:00LHR - SJU
1 stop24h 55mIberia
Deal found 10/12£377
週五 9/114:50LHR - SJU
3 stops33h 05mMultiple Airlines
Deal found 11/12£400
週日 11/107:45LHR - SJU
1 stop20h 05mJetBlue
Deal found 10/12£410
週六 21/320:50LHR - SJU
3 stops32h 29mMultiple Airlines
Deal found 10/12£414
Find 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 12 12月 2025.
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 12 12月 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
週日 1/3
09:20-23:49
1 stop18h 29m
San Juan Luis Munoz Marin Intl
週日 15/3
06:01-20:45
1 stop34h 44m
£565
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週二 27/1
12:15-15:35
3 stops31h 20m
San Juan Luis Munoz Marin Intl
週二 3/2
06:00-19:30
3 stops33h 30m
£577
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週二 24/3
12:20-22:51
1 stop14h 31m
San Juan Luis Munoz Marin Intl
週三 15/4
19:40-20:45
1 stop20h 05m
£579
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週一 23/3
12:20-01:25
1 stop17h 05m
San Juan Luis Munoz Marin Intl
週一 13/4
01:59-20:45
1 stop13h 46m
£597
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週五 20/3
12:20-02:27
1 stop18h 07m
San Juan Luis Munoz Marin Intl
週六 28/3
05:10-04:55
1 stop19h 45m
£603
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週一 23/3
08:05-20:26
1 stop16h 21m
San Juan Luis Munoz Marin Intl
週四 16/4
01:59-20:45
1 stop13h 46m
£609
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週四 5/2
19:05-17:05
2 stops26h 00m
San Juan Luis Munoz Marin Intl
週日 15/2
10:52-06:50
1 stop15h 58m
£609
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週一 9/2
09:20-23:48
1 stop18h 28m
San Juan Luis Munoz Marin Intl
週六 21/2
05:01-22:00
1 stop12h 59m
£609
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週六 14/2
08:05-23:59
1 stop19h 54m
San Juan Luis Munoz Marin Intl
週一 16/2
23:50-21:40
1 stop17h 50m
£627
LondonSan Juan
LHR - SJU
LHRSJU
London Heathrow
週五 13/2
12:20-03:54
1 stop19h 34m
San Juan Luis Munoz Marin Intl
週四 19/2
05:15-21:40
1 stop12h 25m
£642
Flights are sorted by cheapest return flights first.
Deals found on 11/12
Showing 1-10 of 20 results
1
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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 5 December 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 43 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, June 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 £439). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £538). 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 12 12月 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 21% 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 55% of one-stop itineraries from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport?
Average return fare for one-stop flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Boston (BOS) is the most affordable one-stop option, with an average return flight price of £639.
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 51m.
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 34m.
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 12 12月 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 £565, JetBlue can have you in San Juan Luis Munoz Marin Intl Airport from London Heathrow Airport in 18h 29m. 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 (£333), Finnair (£450), and JetBlue (£451) 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 48% 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, June 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 £439). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of £538). 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 12 12月 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 12 12月 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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