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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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 July 2026.

Mon 5/1014:00
LGW
-
SJU
1 stop16h 50m
Multiple Airlines
Wed 14/1006:15
SJU
-
LGW
2 stops22h 45m
Multiple Airlines
Deal found 28/6£503
Mon 5/1014:00
LGW
-
SJU
1 stop16h 50m
Multiple Airlines
Sun 11/1021:49
SJU
-
LGW
1 stop31h 11m
Multiple Airlines
Deal found 28/6£509
Thu 3/1207:25
LHR
-
SJU
1 stop24h 23m
JetBlue
Sun 13/1207:10
SJU
-
LHR
1 stop19h 45m
JetBlue
Deal found 30/6£581
Wed 11/1109:20
LHR
-
SJU
1 stop19h 05m
JetBlue
Tue 24/1105:30
SJU
-
LHR
1 stop12h 10m
JetBlue
Deal found 30/6£589
Mon 12/1014:00
LGW
-
SJU
1 stop16h 53m
Multiple Airlines
Wed 14/1021:49
SJU
-
LGW
1 stop31h 11m
Multiple Airlines
Deal found 28/6£592
Mon 2/1107:25
LHR
-
SJU
1 stop22h 18m
JetBlue
Sun 15/1115:50
SJU
-
LHR
1 stop24h 55m
JetBlue
Deal found 30/6£597
Wed 2/911:55
LHR
-
SJU
1 stop25h 52m
JetBlue
Sat 5/920:07
SJU
-
LHR
1 stop29h 23m
JetBlue
Deal found 1/7£601
Wed 4/1110:10
LGW
-
SJU
1 stop20h 40m
Multiple Airlines
Mon 16/1103:55
SJU
-
LGW
1 stop22h 05m
Multiple Airlines
Deal found 29/6£603
Fri 13/1107:25
LHR
-
SJU
1 stop22h 18m
JetBlue
Sun 22/1106:05
SJU
-
LHR
1 stop20h 50m
JetBlue
Deal found 28/6£603
Mon 5/1008:15
LHR
-
SJU
1 stop16h 17m
JetBlue
Sun 11/1006:00
SJU
-
LHR
1 stop33h 45m
JetBlue
Deal found 28/6£606
Wed 2/912:20
LGW
-
SJU
1 stop16h 34m
JetBlue
Sat 5/916:15
SJU
-
LGW
1 stop12h 20m
JetBlue
Deal found 1/7£606
Sat 7/1107:25
LHR
-
SJU
1 stop17h 20m
JetBlue
Sat 14/1115:50
SJU
-
LHR
1 stop24h 55m
JetBlue
Deal found 28/6£621

Find 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 1 July 2026.

Round-trip from

£503

One-way from

£311

Popular in

December

Cheapest in

February

Average price

£907
5/10-14/10
  • 5/10-14/10
  • 3 total stops
  • 39h 35m total
  • United Kingdom to Puerto Rico
Search Deals
4/11
  • 4/11
  • 1 total stop
  • 20h 40m total
  • United Kingdom to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 1 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Fri 4/9

12:10-22:45

1 stop15h 35m

San Juan Luis Munoz Marin Intl

Tue 8/9

13:50-10:00

1 stop15h 10m

£630

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 18/9

08:40-23:58

1 stop20h 18m

San Juan Luis Munoz Marin Intl

Tue 22/9

13:00-09:30

1 stop15h 30m

£632

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 9/10

08:40-23:58

1 stop20h 18m

San Juan Luis Munoz Marin Intl

Mon 19/10

13:00-09:30

1 stop15h 30m

£640

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sat 5/9

08:15-20:38

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Tue 15/9

10:30-09:30

1 stop18h 00m

£649

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Mon 17/8

12:10-00:13

1 stop17h 03m

San Juan Luis Munoz Marin Intl

Mon 31/8

14:30-10:00

1 stop14h 30m

£652

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 5/10

08:15-19:32

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Wed 14/10

13:00-09:30

1 stop15h 30m

£660

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 5/10

10:35-13:08

2 stops31h 33m

San Juan Luis Munoz Marin Intl

Wed 14/10

06:12-11:20

2 stops48h 08m

£695

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 15/10

10:35-11:28

2 stops29h 53m

San Juan Luis Munoz Marin Intl

Fri 23/10

16:45-20:25

2 stops22h 40m

£703

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 3/12

16:00-03:48

2 stops39h 48m

San Juan Luis Munoz Marin Intl

Sun 13/12

07:10-20:35

2 stops33h 25m

£704

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/11

06:00-00:25

2 stops22h 25m

San Juan Luis Munoz Marin Intl

Tue 24/11

06:50-17:30

2 stops30h 40m

£710

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 59 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from United Kingdom to Puerto Rico (average of £221). Flying from United Kingdom to Puerto Rico in June is currently the most expensive (average of £557). 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.

How far ahead should I book a flight from United Kingdom to Puerto Rico?

The best time to book flights from United Kingdom to Puerto Rico is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 1 July 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andJetBlue 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.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,634 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
JetBlue
7.1
Good
3,009 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
694 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Iberia
7.0
Good
3,249 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.5

Overall

7.5

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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, TAP AIR PORTUGAL, and Icelandair fly from United Kingdom to Puerto Rico in about 15h 35m. The time it takes to get you to your destination can typically vary by up to 15h 58m. The distance between United Kingdom and Puerto Rico is about 4114 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, May is the cheapest month in which you can book a flight from United Kingdom to Puerto Rico (average of £221). Flying from United Kingdom to Puerto Rico in June is currently the most expensive (average of £557). 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
Gatwick to Bridgetown flights
Heathrow to Kingston flights
Stansted to Bridgetown flights
Stansted to Montego Bay flights
Heathrow to Punta Cana flights
Manchester to Bridgetown flights
Gatwick to Punta Cana flights
Luton to Montego Bay flights
London City to Bridgetown flights
London City to Montego Bay flights
Gatwick to Kingston flights
Heathrow to Castries flights
Stansted to Punta Cana flights
Heathrow to Nassau flights
Stansted to Kingston flights
London City to Kingston flights
Heathrow to St. George's flights
London City to Punta Cana flights
Gatwick to Castries flights
Gatwick to Montego Bay flights
Gatwick to St. John's flights
Heathrow to Santo Domingo flights
Luton to Punta Cana flights
Heathrow to St. John's flights
Heathrow to Port of Spain flights
Manchester to Montego Bay flights
Gatwick to St. George's flights
Heathrow to Kingstown flights
Heathrow to Willemstad flights
Heathrow to Luis Munoz Marin Intl flights
Gatwick to Santo Domingo flights
Heathrow to Castries flights
Gatwick to Willemstad flights
Heathrow to Roseau flights
Gatwick to Luis Munoz Marin Intl flights
London City to Santo Domingo flights
Gatwick to Nassau flights
Gatwick to Havana flights
London City to Castries flights
Gatwick to Basseterre flights
Stansted to Santo Domingo flights
Stansted to Port of Spain flights
London City to Luis Munoz Marin Intl flights
Gatwick to Port of Spain flights
Stansted to Luis Munoz Marin Intl flights

Top 7 airlines flying from United Kingdom to Puerto Rico

Discover the top 7 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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£337Average£1,129FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£440Average£670FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
AviancaCheapest£499Average£602FlexibilityNo cancel feeOn-time71%
Search Avianca flights
IcelandairCheapest£509Average£690FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£587Average£1,042FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£647Average£840FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£846Average£1,022FlexibilityNo cancel feeOn-time70%
Search British Airways 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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