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Cheap flights from London to Puerto Rico from £330

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SJU
25 Feb — 4 Mar1
1 adult

Cheap flight deals from London to Puerto Rico

Keep the following information in mind while searching for London to Puerto Rico flight deals. Data was last updated 20 February 2025.

Round-trip from

£512

One-way from

£330

Popular in

August

Cheapest in

January

Average price

£590
1/4-8/4
  • 1/4-8/4
  • 3 total stops
  • 50h 44m total
  • London to Puerto Rico
Search Deals
10/4
  • 10/4
  • 3 total stops
  • 20h 37m 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 London to Puerto Rico

Cheapest flights from London to Puerto Rico
Explore the most affordable flight options available from London to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Tue 1/413:00LGW - SJU
2 stops31h 12mMultiple Airlines
Tue 8/409:28SJU - LGW
1 stop19h 32mMultiple Airlines
Deal found 19/2£512
Thu 20/307:25LHR - SJU
1 stop17h 25mJetBlue
Thu 27/304:00SJU - LHR
1 stop12h 45mJetBlue
Deal found 19/2£526
Mon 24/312:20LHR - BQN
1 stop17h 45mJetBlue
Sun 30/301:26BQN - LHR
1 stop14h 19mJetBlue
Deal found 19/2£539
Tue 1/414:40LHR - SJU
2 stops24h 12mMultiple Airlines
Tue 8/406:19SJU - LHR
1 stop19h 31mMultiple Airlines
Deal found 19/2£553
Thu 8/509:55LHR - SJU
1 stop15h 12mFinnair
Thu 29/514:30SJU - LHR
1 stop13h 30mFinnair
Deal found 18/2£584
Fri 9/511:40STN - SJU
3 stops42h 31mMultiple Airlines
Wed 14/512:55SJU - STN
2 stops16h 45mMultiple Airlines
Deal found 19/2£601
Thu 6/1108:25LHR - SJU
1 stop18h 35mIcelandair
Fri 14/1101:59SJU - LHR
1 stop14h 46mIcelandair
Deal found 19/2£608
Thu 6/1110:40LGW - SJU
2 stops20h 37mTAP AIR PORTUGAL
Sat 15/1106:15SJU - LGW
2 stops23h 35mTAP AIR PORTUGAL
Deal found 19/2£668
Thu 6/1108:15LHR - SJU
2 stops23h 02mTAP AIR PORTUGAL
Sat 15/1106:15SJU - LHR
2 stops25h 10mTAP AIR PORTUGAL
Deal found 19/2£671
Tue 9/913:00LGW - SJU
2 stops17h 15mIcelandair
Wed 24/914:30SJU - LGW
2 stops19h 10mIcelandair
Deal found 19/2£695
Mon 10/309:15LCY - SJU
2 stops33h 29mMultiple Airlines
Sun 16/315:49SJU - LCY
2 stops17h 01mMultiple Airlines
Deal found 18/2£709
Wed 3/911:35LGW - SJU
1 stop11h 55mIberia
Wed 10/920:20SJU - LGW
1 stop18h 40mIberia
Deal found 19/2£764

Find flights from London to Puerto Rico within your budget

Customise your flight search to find flights from London 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 20 February 2025.

Fly from

London

Fly to

Puerto Rico

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 1/4

13:00-15:12

2 stops31h 12m

San Juan Luis Munoz Marin Intl

Tue 8/4

09:28-10:00

1 stop19h 32m

£512

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 20/3

07:25-20:50

1 stop17h 25m

San Juan Luis Munoz Marin Intl

Thu 27/3

04:00-20:45

1 stop12h 45m

£526

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Mon 24/3

12:20-02:05

1 stop17h 45m

Aguadilla Borinquen

Sun 30/3

01:26-20:45

1 stop14h 19m

£539

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 1/4

14:40-09:52

2 stops24h 12m

San Juan Luis Munoz Marin Intl

Tue 8/4

06:19-06:50

1 stop19h 31m

£553

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 8/5

09:55-20:07

1 stop15h 12m

San Juan Luis Munoz Marin Intl

Thu 29/5

14:30-09:00

1 stop13h 30m

£584

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Fri 9/5

11:40-01:11

3 stops42h 31m

San Juan Luis Munoz Marin Intl

Wed 14/5

12:55-10:40

2 stops16h 45m

£601

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 20/3

07:25-19:35

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Wed 26/3

00:59-05:55

1 stop24h 56m

£639

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 10/3

09:15-14:44

2 stops33h 29m

San Juan Luis Munoz Marin Intl

Sun 16/3

15:49-12:50

2 stops17h 01m

£709

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 1/5

13:00-01:20

2 stops17h 20m

San Juan Luis Munoz Marin Intl

Sun 11/5

08:50-14:40

2 stops24h 50m

£737

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 19/5

11:20-09:14

2 stops26h 54m

San Juan Luis Munoz Marin Intl

Thu 22/5

16:30-17:45

2 stops20h 15m

£752

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 43 results
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Best time to book a flight from London to Puerto Rico

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

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

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

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

Find hourly flight availability from London 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 20 February 2025.

When flying from London 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 20 February 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London to Puerto Rico to help guide your decision. 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
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,236 reviews
Delta
8.0
Very Good
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very Good
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,771 reviews
Delta
8.0
Very Good
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.4
Good
3,070 reviews
Delta
8.0
Very Good
8,236 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London 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 to Puerto Rico one-way?

    £511 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on JetBlue and Avianca, with prices starting from £546 and £574, respectively.

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

    When deciding which route to take from London to Puerto Rico consider London Heathrow - San Juan Luis Munoz Marin Intl, London Gatwick - San Juan Luis Munoz Marin Intl or London City - San Juan Luis Munoz Marin Intl as they are the most popular.

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Montego Bay flights
Heathrow to Punta Cana flights
Heathrow to Kingston flights
Heathrow to Bridgetown flights
Gatwick to Punta Cana flights
Gatwick to Kingston flights
London City to Punta Cana flights
Heathrow to Nassau flights
Gatwick to Montego Bay flights
Heathrow to Castries flights
Manchester to Bridgetown flights
Gatwick to Bridgetown flights
Heathrow to Port of Spain flights
London City to Kingston flights
Heathrow to Luis Munoz Marin Intl flights
London City to Montego Bay flights
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London City to Castries flights
Gatwick to Luis Munoz Marin Intl flights
London City to Bridgetown flights
Heathrow to Santo Domingo flights
Heathrow to St. George's flights
London City to Luis Munoz Marin Intl flights
Heathrow to St. John's flights
Stansted to Punta Cana flights
Heathrow to George Town flights
Heathrow to Kingstown flights
Gatwick to St. John's flights
Gatwick to Santo Domingo flights
Gatwick to Port of Spain flights
Gatwick to Nassau flights
Gatwick to Havana flights
London City to Santo Domingo flights
Manchester to Montego Bay flights
Gatwick to St. George's flights
Luton to Punta Cana flights
Birmingham to Montego Bay flights
Manchester to Punta Cana flights
Heathrow to Simpson Bay flights
Heathrow to Road Town flights
Heathrow to Basseterre flights
Stansted to Montego Bay flights
Heathrow to Puerto Plata flights
Heathrow to Providenciales flights
Heathrow to Castries flights
Luton to Montego Bay flights
Heathrow to Freeport flights
Stansted to Kingston flights
Heathrow to Havana flights
Heathrow to Roseau flights

Top 6 airlines flying from London to Puerto Rico

Discover the top 6 airlines that operate flights from London 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£452Average£596FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£452Average£652FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£494Average£675FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£535Average£804FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£597Average£774FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£928Average£1,084FlexibilityNo 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 London to Puerto Rico?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Puerto Rico from London today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Puerto Rico, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on London to Puerto Rico 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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