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Cheap flights from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport from £215

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — LHR
26 Feb — 5 Mar1
1 adult

The best prices from San Juan Luis Munoz Marin Intl to London Heathrow are usually found in March or February, booked 26 days in advance, depart on a Tuesday or Monday and return on a Monday

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 21 February 2025.

Round-trip from

£501

One-way from

£215

Popular in

June

Cheapest in

March

Average price

£556
JetBlue
  • JetBlue
  • 27/3-10/4
  • 2 total stops
  • 35h 57m total
  • San Juan to London
JetBlue
  • JetBlue
  • 4/3
  • 1 total stop
  • 18h 00m total
  • San Juan to London
Highest demand for flights based on searches. 15% potential increase in price (£96 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 21 February 2025.

Thu 27/321:45SJU - LHR
1 stop19h 00mJetBlue
Thu 10/408:25LHR - SJU
1 stop16h 57mJetBlue
Deal found 20/2£501
Wed 23/407:00SJU - LHR
1 stop19h 40mUnited Airlines
Fri 2/506:30LHR - SJU
2 stops22h 24mUnited Airlines
Deal found 20/2£504
Wed 30/413:25SJU - LHR
1 stop12h 20mDelta
Tue 6/508:40LHR - SJU
2 stops20h 08mDelta
Deal found 21/2£507
Wed 10/908:30SJU - LHR
1 stop17h 25mAmerican Airlines
Thu 18/911:30LHR - SJU
1 stop12h 00mAmerican Airlines
Deal found 21/2£517
Sun 6/413:10SJU - LHR
1 stop14h 40mKLM
Sun 13/410:55LHR - SJU
1 stop17h 34mKLM
Deal found 19/2£547
Tue 18/307:45SJU - LHR
2 stops19h 05mAir France
Tue 25/309:10LHR - SJU
2 stops17h 57mAir France
Deal found 20/2£558
Tue 28/1001:05SJU - LHR
2 stops26h 05mAir Canada
Fri 7/1118:00LHR - SJU
1 stop24h 45mAir Canada
Deal found 20/2£562
Wed 20/820:20SJU - LHR
1 stop20h 35mBritish Airways
Tue 2/910:50LHR - SJU
1 stop12h 40mBritish Airways
Deal found 19/2£612
Mon 7/417:39SJU - LHR
3 stops35h 21mMultiple Airlines
Mon 14/414:05LHR - SJU
3 stops28h 40mMultiple Airlines
Deal found 21/2£625
Sun 2/303:26SJU - LHR
2 stops29h 14mTAP AIR PORTUGAL
Fri 7/312:25LHR - SJU
2 stops25h 22mTAP AIR PORTUGAL
Deal found 21/2£730
Sat 3/503:29SJU - LHR
2 stops24h 36mAer Lingus
Tue 20/509:50LHR - SJU
2 stops20h 56mAer Lingus
Deal found 19/2£738
Thu 7/814:05SJU - LHR
1 stop14h 20mIberia
Mon 18/820:00LHR - SJU
1 stop27h 30mIberia
Deal found 20/2£743

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

Customise 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 858,174 searches. Data last updated 21 February 2025.

Fly from

Luis Munoz Marin Intl

Fly to

Heathrow

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 27/3

21:45-20:45

1 stop19h 00m

London Heathrow

Thu 10/4

08:25-20:22

1 stop16h 57m

£501

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 18/3

13:10-06:55

1 stop13h 45m

London Heathrow

Tue 25/3

07:30-23:36

2 stops20h 06m

£501

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 16/3

13:16-07:55

1 stop14h 39m

London Heathrow

Tue 25/3

12:30-23:07

1 stop14h 37m

£505

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 30/4

07:15-07:15

1 stop19h 00m

London Heathrow

Tue 6/5

06:30-23:48

2 stops22h 18m

£507

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 18/3

07:45-06:50

2 stops19h 05m

London Heathrow

Tue 25/3

09:10-23:07

2 stops17h 57m

£558

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 20/8

20:20-21:55

1 stop20h 35m

London Heathrow

Tue 2/9

10:50-18:30

1 stop12h 40m

£612

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 17/5

17:48-20:00

1 stop21h 12m

London Heathrow

Wed 18/6

11:20-22:14

1 stop15h 54m

£647

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 10/3

06:00-14:25

3 stops28h 25m

London Heathrow

Sat 15/3

06:40-11:49

2 stops33h 09m

£663

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 29/4

01:05-06:30

2 stops24h 25m

London Heathrow

Tue 6/5

09:30-23:57

2 stops19h 27m

£735

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 3/5

03:29-09:05

2 stops24h 36m

London Heathrow

Tue 20/5

09:50-01:46

2 stops20h 56m

£738

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 24 results
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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 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.

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 return flight from Luis Munoz Marin Intl to Heathrow. Price data was last updated on 14 February 2025.

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, January 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 £112). Flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £163). 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 21 February 2025.

It’s optimal to fly from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport in the morning. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the afternoon.

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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 21 February 2025.
Read through reviews of airlines operating flights from San Juan to London, such as Delta, KLM and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

8.0
Very Good

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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?

    According to our current data, JetBlue (£501), United Airlines (£501), and KLM (£505) offers the cheapest pricing from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport. Users have found that JetBlue is 22% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £215. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport for a low price.

  • 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 holiday 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, January 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 £112). Flying from San Juan Luis Munoz Marin Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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Alternative routes for Luis Munoz Marin Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Luis Munoz Marin Intl to Heathrow

Discover the top airline 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 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£547Average£838FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Luis Munoz Marin Intl to Heathrow?

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Certainly. Search results for flights to Heathrow from Luis Munoz Marin Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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