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Cheap flights from the United Kingdom to Puerto Rico from £311

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Puerto Rico
Explore the most affordable flight options available from United Kingdom to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Wed 3/1207:25LHR - SJU
1 stop15h 28mJetBlue
Mon 8/1213:45SJU - LHR
1 stop15h 45mJetBlue
Deal found 6/11£531
Thu 20/1114:00LGW - SJU
1 stop16h 54mMultiple Airlines
Tue 25/1106:10SJU - LGW
2 stops19h 50mMultiple Airlines
Deal found 6/11£533
Wed 3/1207:25LHR - SJU
1 stop15h 28mJetBlue
Mon 15/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 7/11£533
Tue 2/1207:25LHR - SJU
1 stop18h 29mJetBlue
Mon 8/1210:00SJU - LHR
1 stop19h 30mJetBlue
Deal found 6/11£538
Tue 2/1207:25LHR - SJU
1 stop18h 29mJetBlue
Mon 15/1213:41SJU - LHR
1 stop13h 14mJetBlue
Deal found 7/11£540
Thu 4/1209:20LHR - SJU
1 stop18h 34mJetBlue
Wed 10/1205:09SJU - LHR
1 stop12h 31mJetBlue
Deal found 6/11£547
Sat 6/1214:00LGW - SJU
1 stop14h 16mMultiple Airlines
Fri 12/1203:55SJU - LGW
1 stop26h 10mMultiple Airlines
Deal found 6/11£548
Wed 3/1207:25LHR - SJU
1 stop15h 28mJetBlue
Sat 13/1205:10SJU - LHR
1 stop12h 50mJetBlue
Deal found 5/11£550
Fri 5/1214:00LGW - SJU
2 stops26h 32mMultiple Airlines
Fri 12/1211:38SJU - LGW
1 stop18h 22mMultiple Airlines
Deal found 5/11£553
Tue 2/1207:25LHR - SJU
1 stop18h 29mJetBlue
Sat 13/1205:10SJU - LHR
1 stop12h 50mJetBlue
Deal found 5/11£554
Thu 20/1112:20LHR - SJU
1 stop15h 28mJetBlue
Tue 25/1105:01SJU - LHR
1 stop12h 39mJetBlue
Deal found 6/11£558
Fri 28/1108:05LHR - SJU
1 stop19h 43mJetBlue
Wed 10/1205:09SJU - LHR
1 stop12h 31mJetBlue
Deal found 6/11£558

Cheap flight deals from United Kingdom to Puerto Rico

Keep the following information in mind while searching for United Kingdom to Puerto Rico flight deals. Data was last updated 7 November 2025.

Round-trip from

£531

One-way from

£311

Popular in

July

Cheapest in

September

Average price

£595
JetBlue
  • JetBlue
  • 3/12-8/12
  • 2 total stops
  • 31h 13m total
  • United Kingdom to Puerto Rico
Search Deals
24/11
  • 24/11
  • 1 total stop
  • 16h 54m total
  • United Kingdom to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 7 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Puerto Rico that are best for you.

Fly from

United Kingdom

Fly to

Puerto Rico

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 16/1

14:00-15:02

2 stops29h 02m

San Juan Luis Munoz Marin Intl

Sat 24/1

06:00-10:05

1 stop24h 05m

£539

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 2/12

07:25-21:54

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Mon 15/12

13:41-06:55

1 stop13h 14m

£540

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 17/1

09:20-01:22

1 stop20h 02m

San Juan Luis Munoz Marin Intl

Sat 24/1

06:00-22:00

1 stop12h 00m

£569

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 4/12

09:20-23:54

1 stop18h 34m

San Juan Luis Munoz Marin Intl

Mon 15/12

13:41-06:55

1 stop13h 14m

£571

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 8/1

14:00-09:47

1 stop23h 47m

San Juan Luis Munoz Marin Intl

Thu 22/1

19:50-10:00

2 stops34h 10m

£574

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 28/11

08:05-23:48

1 stop19h 43m

San Juan Luis Munoz Marin Intl

Mon 15/12

13:41-06:55

1 stop13h 14m

£578

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 2/12

07:25-21:54

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Wed 17/12

13:41-06:55

1 stop13h 14m

£585

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 3/12

07:25-18:53

1 stop15h 28m

San Juan Luis Munoz Marin Intl

Sun 7/12

10:00-09:30

1 stop19h 30m

£586

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 3/12

07:25-18:53

1 stop15h 28m

San Juan Luis Munoz Marin Intl

Tue 16/12

13:45-09:30

1 stop15h 45m

£600

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 11/12

14:00-10:33

1 stop24h 33m

San Juan Luis Munoz Marin Intl

Sun 14/12

11:38-10:00

1 stop18h 22m

£606

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Puerto Rico

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

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Puerto Rico

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

Currently, July is the cheapest month in which you can book a flight from United Kingdom to Puerto Rico (average of £434). Flying from United Kingdom to Puerto Rico in December is currently the most expensive (average of £548). 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 GB to PR?

Find hourly flight availability from United Kingdom 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 7 November 2025.

One of the essential ways to save on airfare from United Kingdom to Puerto Rico is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

What is the cheapest day to fly from United Kingdom to Puerto Rico?

Use this chart to determine the cheapest time to fly return from United Kingdom to Puerto Rico. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Puerto Rico flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 7 November 2025.
Check out reviews from past customers who have flown with Finnair, JetBlue, andIcelandair from the United Kingdom to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
JetBlue
7.2
Good
2,908 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Icelandair
7.1
Good
572 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Iberia
7.0
Good
3,007 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
British Airways
6.7
Okay
7,501 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to Puerto Rico?

    Airlines like JetBlue, Aer Lingus, and TAP AIR PORTUGAL fly from United Kingdom to Puerto Rico in about 16h 18m. The time it takes to get you to your destination can typically vary by up to 18h 01m. The distance between United Kingdom and Puerto Rico is about 4123 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Puerto Rico?

    Currently, July is the cheapest month in which you can book a flight from United Kingdom to Puerto Rico (average of £434). Flying from United Kingdom to Puerto Rico in December is currently the most expensive (average of £548). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Puerto Rico

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

Top 8 airlines flying from United Kingdom to Puerto Rico

Discover the top 8 airlines that operate flights from United Kingdom 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£341Average£1,107FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£449Average£614FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£461Average£612FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£485Average£797FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£518Average£885FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£552Average£983FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£673Average£1,031FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£889Average£993FlexibilityNo cancel feeOn-time75%
Search KLM 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 United Kingdom to Puerto Rico?

Deals for United Kingdom to Puerto Rico flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Puerto Rico for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from United Kingdom to Puerto Rico with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for United Kingdom to Puerto Rico flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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