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Luis Munoz Marin Intl

$454+ Cheap flights from Heathrow (LHR) to Luis Munoz Marin Intl (SJU)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
feb. 27 — mar. 61
jue. 2/27
jue. 3/6
1 adult, Economy
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The best prices from London Heathrow to San Juan Luis Munoz Marin Intl are usually found in September or April, booked 76 days in advance, depart on a Tuesday or Friday and return on a Wednesday

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 febrero 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$659
(JetBlue)

One-way from

$454
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$743
Provider with most accurate pricing for London Heathrow-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-San Juan Luis Munoz Marin Intl flights.
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From London Heathrow to San Juan Luis Munoz Marin Intl
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One-way flight from London Heathrow to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 12% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 22, 2025.

This JetBlue deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/158:25 amLHR - SJU
1 stop15h 37mJetBlue
mar. 9/231:30 pmSJU - LHR
1 stop15h 00mJetBlue
Deal found 2/21$645
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/17:40 pmLHR - SJU
1 stop19h 20mMultiple Airlines
sáb. 5/109:30 pmSJU - LHR
1 stop17h 15mMultiple Airlines
Deal found 2/21$699
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/612:25 pmLHR - SJU
2 stops18h 52mTAP AIR PORTUGAL
sáb. 11/156:15 amSJU - LHR
2 stops25h 10mTAP AIR PORTUGAL
Deal found 2/21$847
This Icelandair deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/209:25 pmLHR - SJU
2 stops34h 33mIcelandair
mar. 11/46:15 amSJU - LHR
2 stops33h 15mIcelandair
Deal found 2/21$937
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/237:30 amLHR - SJU
2 stops17h 52mUnited Airlines
dom. 3/307:25 amSJU - LHR
1 stop18h 30mUnited Airlines
Deal found 2/21$1,047
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:35 amLHR - SJU
2 stops17h 33mDelta
lun. 9/2212:55 pmSJU - LHR
1 stop13h 20mDelta
Deal found 2/21$1,170
This Lufthansa deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/207:30 amLHR - SJU
2 stops21h 27mLufthansa
lun. 11/32:10 pmSJU - LHR
1 stop15h 00mLufthansa
Deal found 2/21$1,192
This Expedia deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/97:50 amLHR - SJU
2 stops17h 00mAer Lingus
sáb. 3/224:00 amSJU - LHR
2 stops25h 15mAer Lingus
Deal found 2/21$1,195
This Avianca deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/99:40 pmLHR - SJU
1 stop23h 00mAvianca
jue. 3/136:05 pmSJU - LHR
1 stop16h 30mAvianca
Deal found 2/21$1,254
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/16:30 amLHR - SJU
2 stops24h 16mTurkish Airlines
vie. 5/93:29 amSJU - LHR
2 stops27h 16mTurkish Airlines
Deal found 2/21$1,293
This Virgin Atlantic deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/144:50 pmLHR - SJU
1 stop23h 39mVirgin Atlantic
jue. 7/2412:43 pmSJU - LHR
1 stop13h 32mVirgin Atlantic
Deal found 2/21$1,316
This KLM deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:55 amLHR - SJU
2 stops17h 13mKLM
dom. 9/211:13 pmSJU - LHR
1 stop14h 37mKLM
Deal found 2/21$1,365

Find flights from Heathrow to Luis Munoz Marin Intl within your budget

Customize 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 2,558,603 searches. Data last updated febrero 22, 2025.

Fly from

Heathrow

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

lun. 3/10

7:25 am-8:50 pm

1 stop17h 25m

San Juan Luis Munoz Marin Intl

lun. 3/24

9:45 pm-8:45 pm

1 stop19h 00m

$659

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

jue. 5/1

7:40 pm-10:00 am

1 stop19h 20m

San Juan Luis Munoz Marin Intl

sáb. 5/10

9:30 pm-7:45 pm

1 stop17h 15m

$699

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

jue. 4/24

1:05 pm-2:46 am

2 stops18h 41m

San Juan Luis Munoz Marin Intl

mar. 4/29

7:00 am-11:55 am

2 stops23h 55m

$989

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

dom. 3/23

7:30 am-9:22 pm

2 stops17h 52m

San Juan Luis Munoz Marin Intl

dom. 3/30

7:25 am-6:55 am

1 stop18h 30m

$1,047

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

jue. 4/24

6:00 am-8:22 pm

2 stops19h 22m

San Juan Luis Munoz Marin Intl

lun. 4/28

2:45 am-5:45 pm

2 stops34h 00m

$1,186

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

dom. 3/9

7:50 am-8:50 pm

2 stops17h 00m

San Juan Luis Munoz Marin Intl

sáb. 3/22

4:00 am-9:15 am

2 stops25h 15m

$1,195

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

dom. 3/9

9:40 pm-4:40 pm

1 stop23h 00m

San Juan Luis Munoz Marin Intl

jue. 3/13

6:05 pm-2:35 pm

1 stop16h 30m

$1,254

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

jue. 5/1

6:30 am-1:46 am

2 stops24h 16m

San Juan Luis Munoz Marin Intl

vie. 5/9

3:29 am-11:45 am

2 stops27h 16m

$1,293

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

lun. 7/14

4:50 pm-11:29 am

1 stop23h 39m

San Juan Luis Munoz Marin Intl

jue. 7/24

12:43 pm-7:15 am

1 stop13h 32m

$1,316

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

dom. 3/9

6:00 pm-11:36 pm

2 stops33h 36m

San Juan Luis Munoz Marin Intl

vie. 3/21

1:05 am-7:10 am

2 stops26h 05m

$1,377

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on London Heathrow Airport-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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.

Travel insights for flights from Heathrow to Luis Munoz Marin Intl

Get recent, data-driven insights about flights from Heathrow to Luis Munoz Marin Intl including ideal travel times, pricing trends, and 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 round-trip flight from Heathrow to Luis Munoz Marin Intl. Price data was last updated on February 14, 2025.

The price you pay for your flight from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September 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 $254). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $363). 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 febrero 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport as you normally would.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 febrero 22, 2025.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic and JetBlue from London to San Juan to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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

Delta
8.0
Very good
8,212 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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

Virgin Atlantic
7.5
Good
653 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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

JetBlue
7.4
Good
3,068 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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

Turkish Airlines
7.3
Good
3,825 reviews
Delta
8.0
Very good
8,212 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

6.0
Good

Colin,Sep 2024

LHR - BOS

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 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.

  • What are the cheapest airlines flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport is JetBlue. Our recent data shows that you can find tickets from as low as $659 on this airline. Additional options worth looking into are Icelandair and United Airlines, starting at $989 and $1,047 round-trip. JetBlue is priced at 22% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport one-way?

    To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $644. JetBlue flights start at $689 while deals on Avianca start at $785 one-way.

  • 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 vacation 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, September 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 $254). Flying from London Heathrow Airport to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $363). 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

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Top airline flying from Heathrow to Luis Munoz Marin Intl

Discover the top airline 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 2,558,603 searches. Data last updated febrero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$642Average$907FlexibilityNo cancel feeOn-time62%
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