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Cheap flights from London Heathrow Airport to Puerto Rico from £294

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
9 Feb — 16 Feb1
1 adult

Cheap flight deals from Heathrow to Puerto Rico

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Puerto Rico (PR0). 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 4 February 2025.

Round-trip from

£526

One-way from

£294

Popular in

August

Cheapest in

September

Average price

£596
Finnair
  • Finnair
  • 19/2-8/3
  • 2 total stops
  • 26h 11m total
  • London to Puerto Rico
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20/5
  • 20/5
  • 3 total stops
  • 32h 15m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Heathrow to Puerto Rico

Cheapest flights from Heathrow to Puerto Rico
Explore the most affordable flight options available from Heathrow to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 February 2025.

Tue 9/906:10LHR - SJU
1 stop17h 20mFinnair
Wed 24/913:55SJU - LHR
1 stop15h 40mFinnair
Deal found 3/2£525
Mon 22/911:55LHR - SJU
1 stop16h 39mJetBlue
Thu 2/1014:30SJU - LHR
1 stop14h 00mJetBlue
Deal found 3/2£527
Thu 6/1108:25LHR - SJU
1 stop23h 55mIcelandair
Sat 15/1123:00SJU - LHR
1 stop26h 55mIcelandair
Deal found 3/2£544
Wed 19/207:20LHR - SJU
2 stops16h 25mIberia
Sat 8/314:42SJU - LHR
1 stop14h 58mIberia
Deal found 4/2£545
Sun 2/307:20LHR - SJU
2 stops20h 22mMultiple Airlines
Tue 18/312:49SJU - LHR
1 stop14h 01mMultiple Airlines
Deal found 4/2£549
Tue 18/212:35LHR - SJU
1 stop15h 20mBritish Airways
Mon 24/206:00SJU - LHR
1 stop20h 35mBritish Airways
Deal found 3/2£660
Fri 2/513:45LHR - SJU
2 stops27h 50mTAP AIR PORTUGAL
Mon 12/510:18SJU - LHR
2 stops19h 02mTAP AIR PORTUGAL
Deal found 4/2£672
Thu 13/210:50LHR - BQN
2 stops20h 06mMultiple Airlines
Sat 22/203:59BQN - LHR
2 stops46h 21mMultiple Airlines
Deal found 3/2£963
Sat 15/212:20LHR - BQN
1 stop18h 06mJetBlue
Sun 23/221:15BQN - LHR
1 stop19h 30mJetBlue
Deal found 3/2£1,044
Sat 15/209:00LHR - BQN
2 stops42h 57mAir Canada
Sat 22/201:09BQN - LHR
2 stops50h 01mAir Canada
Deal found 3/2£1,368
Thu 13/212:05LHR - BQN
1 stop15h 52mLufthansa
Sat 22/201:09BQN - LHR
1 stop24h 46mLufthansa
Deal found 3/2£1,494
Thu 13/212:05LHR - BQN
1 stop15h 52mUnited Airlines
Sat 22/201:09BQN - LHR
2 stops25h 31mUnited Airlines
Deal found 3/2£2,161

Find flights from Heathrow to Puerto Rico within your budget

Customise your flight search to find flights from Heathrow to Puerto Rico 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 4 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 19/2

11:25-19:45

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Sat 8/3

18:29-12:20

1 stop13h 51m

£526

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 7/3

08:25-00:38

1 stop20h 13m

San Juan Luis Munoz Marin Intl

Tue 11/3

11:15-09:30

1 stop18h 15m

£540

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 19/2

07:20-19:45

2 stops16h 25m

San Juan Luis Munoz Marin Intl

Sat 8/3

14:42-09:40

1 stop14h 58m

£545

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 2/3

07:20-23:42

2 stops20h 22m

San Juan Luis Munoz Marin Intl

Tue 18/3

12:49-06:50

1 stop14h 01m

£549

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 28/2

07:25-23:50

1 stop20h 25m

San Juan Luis Munoz Marin Intl

Sat 8/3

20:35-09:30

1 stop32h 55m

£555

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 18/2

12:35-23:55

1 stop15h 20m

San Juan Luis Munoz Marin Intl

Mon 24/2

06:00-06:35

1 stop20h 35m

£660

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 2/5

13:45-12:35

2 stops27h 50m

San Juan Luis Munoz Marin Intl

Mon 12/5

10:18-10:20

2 stops19h 02m

£672

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 17/3

09:30-23:36

2 stops18h 06m

San Juan Luis Munoz Marin Intl

Mon 24/3

13:10-06:20

1 stop13h 10m

£883

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 17/2

07:30-00:36

2 stops21h 06m

San Juan Luis Munoz Marin Intl

Tue 25/2

14:10-14:45

2 stops20h 35m

£891

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 12/5

06:30-23:03

2 stops21h 33m

San Juan Luis Munoz Marin Intl

Wed 21/5

12:50-07:15

1 stop13h 25m

£917

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Heathrow to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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.

Travel insights for flights from Heathrow to Puerto Rico

Get recent, data-driven insights about flights from Heathrow to Puerto Rico including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Puerto Rico?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £631). Flying from London Heathrow Airport to Puerto Rico 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 PR?

Find hourly flight availability from Heathrow to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 February 2025.

When flying from London Heathrow Airport to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

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

In terms of precipitation, rainfall in Puerto Rico ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit Puerto Rico when rainfall is around 55.0 mm.

Temperature in Puerto Rico by month

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

If weather is an important factor for your trip to Puerto Rico, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 4 February 2025.
To help decide which airline to fly from London to Puerto Rico, see what other customers have to say about Delta, Finnair and JetBlue. 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.
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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
8,415 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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

Finnair
7.6
Good
1,284 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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
3,138 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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
8,887 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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

Aer Lingus
7.1
Good
1,071 reviews
Delta
8.0
Very Good
8,415 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Reviews

1 / 20

6.0
Good

Colin,Sept 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 Puerto Rico. 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 to fly from London Heathrow Airport to Puerto Rico one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £546. However, be on the lookout for offers from Avianca and TAP AIR PORTUGAL, as they are both options that can get you from London Heathrow Airport to Puerto Rico for a low price.

  • What are the most popular routes from London Heathrow Airport to Puerto Rico?

    Most travelers choose London Heathrow - San Juan Luis Munoz Marin Intl, London Heathrow - Aguadilla Borinquen or London Heathrow - Mayagüez Eugenio M De Hostos when deciding on the best route from London Heathrow Airport to Puerto Rico.

  • Can I find deals for flights from Heathrow to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Heathrow to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Puerto Rico?

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

  • Can I find deals for business class flights from Heathrow to Puerto Rico?

    Yes. Cheapflights offers flight deals from Heathrow to Puerto Rico 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 Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £631). Flying from London Heathrow Airport to Puerto Rico 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.

See more FAQs

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Alternative routes for Heathrow to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Heathrow to Puerto Rico

Discover the top 6 airlines that operate flights from Heathrow to Puerto Rico. 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 4 February 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£461Average£609FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£486Average£590FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£509Average£675FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£548Average£723FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£610Average£800FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£914Average£1,106FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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 Puerto Rico?

Cheapflights makes it easy to find Heathrow to Puerto Rico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Puerto Rico?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Puerto Rico.

Can Cheapflights find flights from Heathrow to Puerto Rico with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Puerto Rico flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Puerto Rico become cheaper?

Of course! You can now track prices for flights from Heathrow to Puerto Rico and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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