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$344+ Cheap flights from Luis Munoz Marin Intl (SJU) to Heathrow (LHR)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LHR
Dec 8 — Dec 151
Sun 12/8
Sun 12/15
1 adult, Economy
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The best prices from San Juan Luis Munoz Marin Intl to London Heathrow are usually found in February or January, booked 26 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Luis Munoz Marin Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Heathrow (LHR). 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 December 3, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$502
(JetBlue)

One-way from

$344
(Kiwi.com)
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-London Heathrow flights.
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High demand for flights, 26% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From San Juan Luis Munoz Marin Intl to London Heathrow
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One-way flight from San Juan Luis Munoz Marin Intl to London Heathrow
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Find flight deals from Luis Munoz Marin Intl to Heathrow

Cheapest flights from Luis Munoz Marin Intl to Heathrow
Explore the most affordable flight options available from Luis Munoz Marin Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2024.

This KLM deal was found by Cheapflights users on 12/2. 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.
Mon 12/303:30 pmSJU - LHR
1 stop15h 05mKLM
Wed 1/810:10 amLHR - SJU
1 stop17h 49mKLM
Deal found 12/2$770
This Delta deal was found by Cheapflights users on 12/3. 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.
Mon 12/3012:45 pmSJU - LHR
1 stop13h 35mDelta
Wed 1/812:40 pmLHR - SJU
1 stop15h 19mDelta
Deal found 12/3$775
This JetBlue deal was found by Cheapflights users on 12/3. 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.
Sun 12/294:19 amSJU - LHR
1 stop12h 26mJetBlue
Wed 1/88:25 amLHR - SJU
1 stop15h 31mJetBlue
Deal found 12/3$831
This Virgin Atlantic deal was found by Cheapflights users on 12/2. 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.
Mon 12/303:13 amSJU - LHR
1 stop12h 57mVirgin Atlantic
Tue 1/78:05 pmLHR - SJU
1 stop24h 50mVirgin Atlantic
Deal found 12/2$905
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/33:45 pmSJU - LHR
2 stops26h 55mTAP AIR PORTUGAL
Wed 12/118:15 amLHR - SJU
2 stops34h 35mTAP AIR PORTUGAL
Deal found 12/2$944
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/179:20 pmSJU - LHR
1 stop15h 55mMultiple Airlines
Fri 12/2710:15 amLHR - SJU
1 stop17h 40mMultiple Airlines
Deal found 12/2$1,133
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/242:25 pmSJU - LHR
1 stop17h 05mAmerican Airlines
Tue 12/3111:45 amLHR - SJU
1 stop16h 41mAmerican Airlines
Deal found 12/2$1,144
This Avianca deal was found by Cheapflights users on 12/2. 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.
Tue 12/246:05 pmSJU - LHR
1 stop16h 30mAvianca
Mon 12/309:40 pmLHR - SJU
1 stop18h 00mAvianca
Deal found 12/2$1,277
This Iberia deal was found by Cheapflights users on 12/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:20 pmSJU - LHR
1 stop15h 55mIberia
Tue 12/3112:35 pmLHR - SJU
1 stop15h 51mIberia
Deal found 12/2$1,285
This Air Canada deal was found by Cheapflights users on 12/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/22:05 amSJU - LHR
2 stops25h 05mAir Canada
Wed 12/1111:10 amLHR - SJU
2 stops17h 26mAir Canada
Deal found 12/2$1,315
This Expedia deal was found by Cheapflights users on 12/2. 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.
Mon 12/165:30 amSJU - LHR
1 stop21h 20mBritish Airways
Mon 12/236:30 amLHR - SJU
2 stops20h 52mBritish Airways
Deal found 12/2$1,326
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/301:50 pmSJU - LHR
2 stops17h 00mIcelandair
Wed 1/812:15 pmLHR - SJU
2 stops19h 35mIcelandair
Deal found 12/2$1,663

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

Customize your flight search to find flights from Luis Munoz Marin Intl to Heathrow 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 2,700,776 searches. Data last updated December 3, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 1/24

8:00 am-5:55 am

1 stop17h 55m

London Heathrow

Sun 2/2

8:25 am-7:56 pm

1 stop15h 31m

$502

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 1/22

6:14 am-10:50 am

3 stops24h 36m

London Heathrow

Sun 1/26

8:40 pm-12:52 am

2 stops32h 12m

$679

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 1/14

7:30 am-6:50 am

2 stops19h 20m

London Heathrow

Wed 1/29

4:10 pm-12:50 pm

1 stop24h 40m

$712

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 2/9

4:35 pm-11:30 am

1 stop14h 55m

London Heathrow

Sun 2/16

9:50 am-11:55 pm

1 stop18h 05m

$735

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 2/6

7:45 am-4:05 pm

2 stops28h 20m

London Heathrow

Wed 2/12

9:50 am-9:59 pm

1 stop16h 09m

$747

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 4/15

5:35 pm-1:15 pm

1 stop14h 40m

London Heathrow

Wed 4/23

11:00 am-11:03 pm

1 stop17h 03m

$756

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 3/10

1:13 pm-9:25 pm

2 stops28h 12m

London Heathrow

Fri 3/21

10:50 am-10:09 pm

1 stop15h 19m

$771

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 1/23

3:40 pm-9:35 pm

2 stops25h 55m

London Heathrow

Sat 1/25

8:15 am-11:53 am

2 stops31h 38m

$828

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 4/11

7:00 am-6:25 am

1 stop18h 25m

London Heathrow

Tue 4/22

9:20 am-10:11 pm

1 stop17h 51m

$837

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 1/23

2:05 am-7:10 am

2 stops25h 05m

London Heathrow

Sun 2/2

6:00 pm-12:36 am

2 stops34h 36m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 25 results
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Compare providers for flights from Luis Munoz Marin Intl to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-London Heathrow 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 San Juan Luis Munoz Marin Intl Airport-London Heathrow 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 Luis Munoz Marin Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl to Heathrow

Get recent, data-driven insights about flights from Luis Munoz Marin Intl to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Heathrow. Price data was last updated on November 22, 2024.

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 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 San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport (average of $661). Flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,088). 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 SJU to LHR?

Find hourly flight availability from Luis Munoz Marin Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2024.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 11% on airfare.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Heathrow. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 3, 2024.
To help decide which airline to fly from San Juan to London, see what other customers have to say about JetBlue and Air Canada. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,698 reviews
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,343 reviews
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.6
Good
664 reviews
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,517 reviews
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,141 reviews
Delta
8.0
Very good
8,698 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Heathrow. 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 San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport round-trip?

    JetBlue, at $502, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and American Airlines. JetBlue is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $346. Delta flights start at $450 while deals on United Airlines start at $504 one-way.

  • Can I find deals for flights from Luis Munoz Marin Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Heathrow.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Heathrow 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 San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport (average of $661). Flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,088). 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

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Top 7 airlines flying from Luis Munoz Marin Intl to Heathrow

Discover the top 7 airlines that operate flights from Luis Munoz Marin Intl to Heathrow. 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 2,700,776 searches. Data last updated December 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$549Average$775FlexibilityNo cancel feeOn-time75%
IberiaCheapest$577Average$991FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$582Average$833FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$587Average$780FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$587Average$869FlexibilityNo cancel feeOn-time71%
DeltaCheapest$651Average$849FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$654Average$809FlexibilityNo cancel feeOn-time72%
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