What are the cheapest airlines to fly from United Kingdom to Puerto Rico one-way?

The cheapet airlines for a one-way flight from United Kingdom to Puerto Rico are Iberia (£509), Avianca (£529), and Icelandair (£572).

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

To save on the cost of your flight from United Kingdom to Puerto Rico, book at least 57 days before your planned departure. Booking around this time can save you about 56% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £474 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £794.

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

September can be a great time to fly to Puerto Rico from United Kingdom with a flight ticket averaging about £659. Cheapflights users have found deals in the month of September for as cheap as £436. The most expensive prices can be found in the month of July.

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.

£865+ Flights from the United Kingdom to Puerto Rico

Cheap flight deals from United Kingdom to Puerto Rico

Round-trip from	£523
One-way from	£267
Popular in	July
Cheapest in	September
Average price	£693

19/5-24/5
2 total stops
44h 00m total
United Kingdom to Puerto Rico

Search Deals

27/5
3 total stops
53h 06m total
United Kingdom to Puerto Rico

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from United Kingdom to Puerto Rico

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 30 April 2025.

Mon 19/510:00LGW - SJU

1 stop13h 50mMultiple Airlines

Sat 24/519:45SJU - LGW

1 stop30h 10mMultiple Airlines

Deal found 30/4£523

Sun 1/612:10LGW - SJU

1 stop27h 51mIcelandair

Sun 15/618:54SJU - LGW

1 stop33h 41mIcelandair

Deal found 30/4£526

Fri 26/908:25LHR - SJU

2 stops22h 20mIcelandair

Sun 5/1003:15SJU - LHR

1 stop12h 30mIcelandair

Deal found 29/4£536

Fri 26/908:15LHR - SJU

1 stop18h 03mJetBlue

Sun 5/1003:15SJU - LHR

1 stop12h 30mJetBlue

Deal found 29/4£538

Wed 11/612:10LGW - SJU

1 stop16h 15mJetBlue

Mon 23/615:00SJU - LGW

1 stop13h 35mJetBlue

Deal found 29/4£545

Tue 27/511:30EDI - SJU

1 stop19h 19mJetBlue

Tue 3/613:58SJU - EDI

1 stop14h 17mJetBlue

Deal found 29/4£557

Mon 7/720:10LHR - SJU

1 stop18h 52mMultiple Airlines

Fri 11/706:00SJU - LHR

1 stop19h 25mMultiple Airlines

Deal found 29/4£565

Fri 30/512:10EDI - SJU

1 stop16h 15mIcelandair

Fri 6/613:58SJU - EDI

1 stop14h 17mIcelandair

Deal found 30/4£599

Sat 14/614:05EDI - SJU

1 stop24h 53mMultiple Airlines

Sat 21/606:00SJU - EDI

1 stop22h 20mMultiple Airlines

Deal found 30/4£614

Thu 6/1108:30EDI - SJU

2 stops15h 25mIberia

Sun 23/1118:25SJU - EDI

2 stops16h 50mIberia

Deal found 30/4£627

Wed 27/806:30STN - SJU

1 stop17h 00mMultiple Airlines

Tue 2/920:20SJU - STN

1 stop19h 40mMultiple Airlines

Deal found 29/4£641

Wed 1/1014:40MAN - SJU

1 stop16h 05mMultiple Airlines

Wed 15/1006:00SJU - MAN

1 stop19h 50mMultiple Airlines

Deal found 29/4£644

Best flights from United Kingdom to Puerto Rico
Discover carefully curated flight deals from United Kingdom to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Mon 19/510:00LGW - SJU

1 stop13h 50mMultiple Airlines

Sat 24/519:45SJU - LGW

1 stop30h 10mMultiple Airlines

Deal found 30/4£523

Sun 1/612:10LGW - SJU

1 stop27h 51mIcelandair

Sun 15/618:54SJU - LGW

1 stop33h 41mIcelandair

Deal found 30/4£526

Tue 9/911:55LHR - SJU

1 stop14h 23mJetBlue

Tue 23/903:15SJU - LHR

1 stop12h 30mJetBlue

Deal found 30/4£528

Fri 12/919:15MAN - SJU

1 stop24h 55mIberia

Fri 19/913:55SJU - MAN

2 stops26h 15mIberia

Deal found 29/4£650

Fri 24/1006:00LHR - SJU

2 stops33h 58mTAP AIR PORTUGAL

Sun 9/1106:15SJU - LHR

2 stops31h 15mTAP AIR PORTUGAL

Deal found 30/4£751

Fri 26/909:30LHR - SJU

2 stops19h 27mLufthansa

Mon 6/1007:00SJU - LHR

2 stops18h 20mLufthansa

Deal found 29/4£852

Sat 17/522:05LHR - SJU

1 stop23h 45mAvianca

Fri 23/514:10SJU - LHR

2 stops20h 25mAvianca

Deal found 30/4£857

Fri 26/908:30LHR - SJU

2 stops20h 27mUnited Airlines

Sun 5/1001:05SJU - LHR

1 stop14h 35mUnited Airlines

Deal found 29/4£871

Thu 3/712:30LHR - SJU

1 stop15h 25mBritish Airways

Tue 12/813:35SJU - LHR

1 stop14h 50mBritish Airways

Deal found 29/4£890

Mon 27/1016:20LHR - SJU

1 stop28h 10mAmerican Airlines

Tue 11/1116:50SJU - LHR

1 stop12h 25mAmerican Airlines

Deal found 30/4£892

Tue 13/506:30LHR - SJU

2 stops22h 12mDelta

Thu 19/614:40SJU - LHR

2 stops15h 45mDelta

Deal found 29/4£916

Fri 12/914:15MAN - SJU

1 stop13h 27mVirgin Atlantic

Fri 19/913:13SJU - MAN

1 stop13h 32mVirgin Atlantic

Deal found 29/4£976

Last-minute flights from United Kingdom to Puerto Rico
Discover last-minute flight deals from United Kingdom to Puerto Rico. Data last updated 30 April 2025 and is based on user searches.

Sun 4/511:55LHR - BQN

1 stop19h 43mJetBlue

Sun 11/509:34BQN - LHR

1 stop18h 56mJetBlue

Deal found 29/4£740

Tue 6/510:35LGW - SJU

2 stops27h 39mTAP AIR PORTUGAL

Tue 13/513:58SJU - LGW

2 stops20h 37mTAP AIR PORTUGAL

Deal found 29/4£805

Tue 6/511:20LHR - SJU

2 stops26h 54mTAP AIR PORTUGAL

Tue 13/513:58SJU - LHR

2 stops23h 52mTAP AIR PORTUGAL

Deal found 29/4£808

Tue 6/513:00LHR - SJU

1 stop15h 57mUnited Airlines

Tue 13/514:55SJU - LHR

1 stop15h 40mUnited Airlines

Deal found 29/4£852

Tue 6/509:30LHR - SJU

2 stops19h 27mAir Canada

Mon 12/501:05SJU - LHR

2 stops24h 25mAir Canada

Deal found 29/4£999

Tue 6/515:05LGW - SJU

1 stop15h 44mBritish Airways

Tue 13/511:58SJU - LGW

1 stop15h 12mBritish Airways

Deal found 29/4£1,978

Tue 6/522:05LHR - SJU

1 stop23h 45mAvianca

Tue 13/518:15SJU - LHR

1 stop16h 20mAvianca

Deal found 29/4£4,023

Tue 6/522:25LHR - SJU

2 stops25h 33mMultiple Airlines

Tue 13/513:58SJU - LHR

2 stops21h 42mMultiple Airlines

Deal found 29/4£4,239

Tue 6/518:50LHR - SJU

2 stops26h 43mDelta

Tue 13/517:43SJU - LHR

1 stop14h 47mDelta

Deal found 29/4£6,234

Wed 7/514:40MAN - SJU

1 stop16h 09mMultiple Airlines

Wed 14/511:58SJU - MAN

1 stop13h 52mMultiple Airlines

Deal found 30/4£664

Wed 7/514:15MAN - SJU

2 stops26h 25mDelta

Wed 14/512:50SJU - MAN

1 stop14h 45mDelta

Deal found 30/4£959

Wed 7/508:55MAN - SJU

2 stops19h 47mKLM

Wed 14/513:39SJU - MAN

2 stops15h 41mKLM

Deal found 30/4£969

One-way flights from United Kingdom to Puerto Rico
Search for one-way flight options from United Kingdom to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Tue 27/511:25STN - SJU

3 stops53h 06mMultiple Airlines

Deal found 29/4£267

Mon 2/613:15EDI - SJU

3 stops55h 12mMultiple Airlines

Deal found 29/4£282

Tue 27/519:50LGW - SJU

2 stops59h 11mMultiple Airlines

Deal found 29/4£306

Wed 6/806:45LHR - SJU

3 stops24h 54mMultiple Airlines

Deal found 28/4£465

Thu 28/809:15LHR - SJU

1 stop14h 15mIberia

Deal found 29/4£509

Mon 9/620:40LGW - SJU

1 stop23h 25mIberia

Deal found 29/4£527

Mon 9/622:05LHR - SJU

1 stop18h 50mAvianca

Deal found 29/4£529

Mon 2/611:30EDI - SJU

1 stop19h 19mIcelandair

Deal found 29/4£572

Tue 27/517:00LCY - SJU

3 stops28h 50mMultiple Airlines

Deal found 29/4£600

Mon 9/616:25LGW - SJU

2 stops38h 21mTAP AIR PORTUGAL

Deal found 29/4£617

Sun 7/911:30EDI - SJU

1 stop14h 48mJetBlue

Deal found 29/4£667

Mon 19/511:55LHR - SJU

1 stop14h 35mJetBlue

Deal found 29/4£846

Cheapflights Fare Finder

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

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Mon 19/5

10:00-18:50

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Sat 24/5

19:45-06:55

1 stop30h 10m

£523

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sun 1/6

12:10-11:01

1 stop27h 51m

San Juan Luis Munoz Marin Intl

Sun 15/6

18:54-09:35

1 stop33h 41m

£526

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 26/9

08:25-01:45

2 stops22h 20m

San Juan Luis Munoz Marin Intl

Sun 5/10

03:15-20:45

1 stop12h 30m

£536

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 26/9

08:15-21:18

1 stop18h 03m

San Juan Luis Munoz Marin Intl

Sun 5/10

03:15-20:45

1 stop12h 30m

£538

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 11/6

12:10-23:25

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Mon 23/6

15:00-09:35

1 stop13h 35m

£545

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Tue 27/5

11:30-01:49

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Tue 3/6

13:58-09:15

1 stop14h 17m

£557

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 19/5

14:40-10:00

2 stops24h 20m

San Juan Luis Munoz Marin Intl

Sat 24/5

21:30-19:45

1 stop17h 15m

£560

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Fri 30/5

12:10-23:25

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Fri 6/6

13:58-09:15

1 stop14h 17m

£599

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Sat 14/6

14:05-09:58

1 stop24h 53m

San Juan Luis Munoz Marin Intl

Sat 21/6

06:00-09:20

1 stop22h 20m

£614

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

Wed 1/10

14:40-01:45

1 stop16h 05m

San Juan Luis Munoz Marin Intl

Wed 15/10

06:00-06:50

1 stop19h 50m

£644

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 50 results

...

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

When flying from United Kingdom 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

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

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

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from 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.

Delta

8.0

Very Good

7,936 reviews

Check prices

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

7,936 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

8,696 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

7.3

Good

2,922 reviews

Delta

8.0

Very Good

7,936 reviews

Check prices

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

What are the cheapest airlines to fly from United Kingdom to Puerto Rico one-way?
The cheapet airlines for a one-way flight from United Kingdom to Puerto Rico are Iberia (£509), Avianca (£529), and Icelandair (£572).
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, April is the cheapest month in which you can book a flight from United Kingdom to Puerto Rico (average of £631). Flying from United Kingdom 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

Top 8 airlines flying from United Kingdom to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£419	Average£615	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Icelandair	Cheapest£425	Average£728	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£439	Average£608	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£506	Average£762	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£524	Average£810	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£658	Average£844	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£841	Average£1,123	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£850	Average£1,078	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Puerto Rico from £267

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Puerto Rico

Cheapest flights from United Kingdom to Puerto RicoExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Puerto Rico that are best for you.

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.

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?

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 30 April 2025.

Rainfall in Puerto Rico by month

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

Temperature in Puerto Rico by month

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

Reviews of airlines servicing Puerto Rico

Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from 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.

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.

What are the cheapest airlines to fly from United Kingdom to Puerto Rico one-way?

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

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

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

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

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.

Top 8 airlines flying from United Kingdom to Puerto Rico

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?

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

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

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

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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 30 April 2025.