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

£510 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Avianca and TAP AIR PORTUGAL, with prices starting from £531 and £619, 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.

What are the most popular airlines that fly from London to Puerto Rico?

Finnair, JetBlue and British Airways are the most popular airlines when flying from London to Puerto Rico.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 56% on flights from London to Puerto Rico compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £476. For sooner than that we have options available in the next 3 days from £797.

What is the cheapest month to fly from London to Puerto Rico?

Our data shows that September tends to be the cheapest month to fly to Puerto Rico from London. Users have commonly found prices around £661 for the month, but tickets can be as low as £437. Due to multiple factors, prepare for potentially higher prices in July.

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.

£847+ Flights from London to Puerto Rico

Cheap flight deals from London to Puerto Rico

Round-trip from	£526
One-way from	£268
Popular in	July
Cheapest in	September
Average price	£695

13/6-20/6
2 total stops
45h 46m total
London to Puerto Rico

Search Deals

27/5
3 total stops
53h 06m total
London 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 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 29 April 2025.

Fri 13/614:00LGW - SJU

1 stop16h 31mMultiple Airlines

Fri 20/620:45SJU - LGW

1 stop29h 15mMultiple Airlines

Deal found 29/4£526

Mon 12/508:15LHR - SJU

2 stops30h 21mIcelandair

Mon 19/508:00SJU - LHR

1 stop17h 30mIcelandair

Deal found 28/4£529

Fri 26/908:15LHR - SJU

1 stop18h 03mJetBlue

Sun 5/1003:15SJU - LHR

1 stop12h 30mJetBlue

Deal found 29/4£540

Wed 11/612:10LGW - SJU

1 stop16h 15mJetBlue

Mon 23/615:00SJU - LGW

1 stop13h 35mJetBlue

Deal found 29/4£547

Sat 28/612:10LGW - SJU

1 stop17h 39mIcelandair

Sat 5/715:00SJU - LGW

1 stop13h 35mIcelandair

Deal found 29/4£556

Tue 27/520:10LHR - SJU

2 stops42h 50mMultiple Airlines

Tue 3/621:30SJU - LHR

1 stop17h 15mMultiple Airlines

Deal found 29/4£590

Thu 6/1110:45LHR - SJU

1 stop13h 10mIberia

Sat 15/1118:25SJU - LHR

2 stops17h 50mIberia

Deal found 29/4£611

Tue 9/907:35LGW - SJU

2 stops15h 55mIberia

Wed 24/913:55SJU - LGW

2 stops24h 35mIberia

Deal found 28/4£617

Wed 4/608:45LCY - SJU

3 stops31h 46mMultiple Airlines

Mon 9/601:59SJU - LCY

3 stops34h 31mMultiple Airlines

Deal found 28/4£642

Thu 6/1110:40LGW - SJU

2 stops20h 37mTAP AIR PORTUGAL

Sat 15/1106:15SJU - LGW

2 stops23h 35mTAP AIR PORTUGAL

Deal found 28/4£657

Thu 6/1110:55STN - SJU

3 stops43h 16mMultiple Airlines

Sat 15/1118:41SJU - STN

3 stops35h 14mMultiple Airlines

Deal found 28/4£689

Mon 1/908:40LCY - SJU

2 stops19h 15mBritish Airways

Sat 27/908:30SJU - LCY

2 stops29h 00mBritish Airways

Deal found 28/4£759

Best flights from London to Puerto Rico
Discover carefully curated flight deals from London to Puerto Rico that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.

Fri 13/614:00LGW - SJU

1 stop16h 31mMultiple Airlines

Fri 20/620:45SJU - LGW

1 stop29h 15mMultiple Airlines

Deal found 29/4£526

Mon 12/508:15LHR - SJU

2 stops30h 21mIcelandair

Mon 19/508:00SJU - LHR

1 stop17h 30mIcelandair

Deal found 28/4£529

Fri 26/908:15LHR - SJU

1 stop18h 03mJetBlue

Sun 5/1003:15SJU - LHR

1 stop12h 30mJetBlue

Deal found 29/4£540

Mon 9/620:00LHR - SJU

1 stop24h 05mIberia

Fri 13/613:35SJU - LHR

1 stop14h 50mIberia

Deal found 29/4£689

Tue 6/510:35LGW - SJU

2 stops27h 39mTAP AIR PORTUGAL

Tue 13/513:58SJU - LGW

2 stops20h 37mTAP AIR PORTUGAL

Deal found 29/4£808

Fri 26/909:30LHR - SJU

2 stops19h 27mLufthansa

Mon 6/1007:00SJU - LHR

2 stops18h 20mLufthansa

Deal found 29/4£855

Fri 13/622:05LHR - SJU

1 stop23h 45mAvianca

Fri 20/614:10SJU - LHR

2 stops20h 25mAvianca

Deal found 28/4£860

Fri 4/712:30LHR - SJU

1 stop15h 25mBritish Airways

Tue 12/813:35SJU - LHR

1 stop16h 00mBritish Airways

Deal found 28/4£890

Tue 13/506:30LHR - SJU

2 stops22h 12mDelta

Thu 19/614:40SJU - LHR

2 stops15h 45mDelta

Deal found 29/4£919

Fri 13/606:50LHR - SJU

2 stops22h 04mUnited Airlines

Tue 24/602:05SJU - LHR

1 stop24h 35mUnited Airlines

Deal found 28/4£947

Tue 13/514:05LHR - SJU

2 stops28h 40mAir Canada

Wed 18/601:05SJU - LHR

2 stops24h 30mAir Canada

Deal found 28/4£986

Sun 29/605:30LGW - SJU

2 stops24h 24mTurkish Airlines

Thu 17/721:25SJU - LGW

2 stops31h 30mTurkish Airlines

Deal found 28/4£991

Last-minute flights from London to Puerto Rico
Discover last-minute flight deals from London to Puerto Rico. Data last updated 29 April 2025 and is based on user searches.

Tue 6/513:00LGW - SJU

2 stops17h 46mMultiple Airlines

Tue 13/517:10SJU - LGW

2 stops16h 30mMultiple Airlines

Deal found 28/4£728

Tue 6/513:05LHR - SJU

2 stops17h 41mMultiple Airlines

Tue 13/511:58SJU - LHR

2 stops18h 57mMultiple Airlines

Deal found 28/4£731

Tue 6/510:35LGW - SJU

2 stops27h 39mTAP AIR PORTUGAL

Tue 13/513:58SJU - LGW

2 stops20h 37mTAP AIR PORTUGAL

Deal found 29/4£808

Tue 6/511:20LHR - SJU

2 stops26h 54mTAP AIR PORTUGAL

Tue 13/513:58SJU - LHR

2 stops23h 52mTAP AIR PORTUGAL

Deal found 29/4£811

Tue 6/511:05LHR - SJU

2 stops17h 52mUnited Airlines

Tue 13/513:25SJU - LHR

1 stop12h 50mUnited Airlines

Deal found 28/4£852

Tue 6/514:05LHR - SJU

2 stops26h 52mAir Canada

Mon 12/501:05SJU - LHR

2 stops24h 25mAir Canada

Deal found 28/4£1,000

Tue 6/510:55LHR - SJU

1 stop30h 06mVirgin Atlantic

Sun 11/518:00SJU - LHR

1 stop31h 25mVirgin Atlantic

Deal found 28/4£1,284

Tue 6/509:55LHR - SJU

2 stops18h 53mKLM

Sun 11/518:00SJU - LHR

2 stops17h 15mKLM

Deal found 28/4£1,406

Tue 6/515:05LGW - SJU

1 stop15h 44mBritish Airways

Tue 13/511:58SJU - LGW

1 stop15h 12mBritish Airways

Deal found 28/4£1,980

Tue 6/508:45LCY - SJU

2 stops32h 49mMultiple Airlines

Sun 11/513:25SJU - LCY

2 stops22h 00mMultiple Airlines

Deal found 28/4£2,108

Tue 6/513:00LHR - SJU

1 stop15h 57mLufthansa

Sat 10/501:05SJU - LHR

1 stop14h 35mLufthansa

Deal found 28/4£2,666

Tue 6/513:00LGW - SJU

2 stops17h 49mIcelandair

Tue 13/512:30SJU - LGW

2 stops21h 10mIcelandair

Deal found 28/4£3,056

One-way flights from London to Puerto Rico
Search for one-way flight options from London to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Tue 27/511:25STN - SJU

3 stops53h 06mMultiple Airlines

Deal found 29/4£268

Tue 27/519:50LGW - SJU

2 stops59h 11mMultiple Airlines

Deal found 29/4£307

Fri 27/615:05LHR - SJU

2 stops39h 56mMultiple Airlines

Deal found 27/4£385

Thu 28/810:50LHR - SJU

1 stop12h 40mIberia

Deal found 28/4£510

Mon 9/611:35LGW - SJU

1 stop32h 30mIberia

Deal found 28/4£520

Mon 9/622:05LHR - SJU

1 stop18h 50mAvianca

Deal found 29/4£531

Tue 27/517:00LCY - SJU

3 stops28h 50mMultiple Airlines

Deal found 29/4£602

Mon 9/616:25LGW - SJU

2 stops38h 21mTAP AIR PORTUGAL

Deal found 29/4£619

Tue 27/507:00SEN - SJU

2 stops16h 50mMultiple Airlines

Deal found 29/4£715

Mon 19/511:55LHR - SJU

1 stop14h 35mJetBlue

Deal found 29/4£849

Wed 6/816:50LHR - SJU

2 stops37h 41mAer Lingus

Deal found 28/4£880

Fri 27/608:55LCY - SJU

2 stops20h 02mLufthansa

Deal found 27/4£1,514

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Fri 13/6

14:00-01:31

1 stop16h 31m

San Juan Luis Munoz Marin Intl

Fri 20/6

20:45-07:00

1 stop29h 15m

£526

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 12/5

08:15-09:36

2 stops30h 21m

San Juan Luis Munoz Marin Intl

Mon 19/5

08:00-06:30

1 stop17h 30m

£529

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

£547

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/6

08:25-17:30

1 stop14h 05m

San Juan Luis Munoz Marin Intl

Wed 18/6

06:00-06:30

1 stop19h 30m

£549

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 28/6

12:10-00:49

1 stop17h 39m

San Juan Luis Munoz Marin Intl

Sat 5/7

15:00-09:35

1 stop13h 35m

£556

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 7/7

20:10-10:02

1 stop18h 52m

San Juan Luis Munoz Marin Intl

Fri 11/7

06:00-06:25

1 stop19h 25m

£567

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 4/6

08:45-11:31

3 stops31h 46m

San Juan Luis Munoz Marin Intl

Mon 9/6

01:59-17:30

3 stops34h 31m

£642

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 9/6

20:00-15:05

1 stop24h 05m

San Juan Luis Munoz Marin Intl

Fri 13/6

13:35-09:25

1 stop14h 50m

£689

LondonSan Juan

STN - SJU

STNSJU

London Stansted

Wed 11/6

06:30-18:36

3 stops41h 06m

San Juan Luis Munoz Marin Intl

Mon 23/6

14:10-00:10

3 stops29h 00m

£712

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Sat 5/7

20:40-15:05

1 stop23h 25m

San Juan Luis Munoz Marin Intl

Tue 12/8

16:50-10:50

1 stop13h 00m

£794

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 39 results

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.

Cheapflights Insights

Everything you need to know about your flight from London to Puerto Rico

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?

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

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 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

7,929 reviews

Check prices

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

7,929 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

7,929 reviews

Check prices

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

8,696 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

7.3

Good

2,922 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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

What are the cheapest airlines to fly from London to Puerto Rico one-way?
£510 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Avianca and TAP AIR PORTUGAL, with prices starting from £531 and £619, 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

Alternative routes for London to Puerto Rico

Heathrow to Montego Bay flights

Heathrow to Bridgetown flights

Heathrow to Kingston flights

Gatwick to Kingston flights

Gatwick to Montego Bay flights

Gatwick to Bridgetown flights

London City to Kingston flights

Heathrow to Punta Cana flights

Gatwick to Punta Cana flights

Heathrow to Nassau flights

Heathrow to Santo Domingo flights

Heathrow to Luis Munoz Marin Intl flights

Heathrow to Castries flights

London City to Montego Bay flights

Gatwick to Luis Munoz Marin Intl flights

Heathrow to Pointe-à-Pitre flights

Gatwick to Santo Domingo flights

Gatwick to St. George's flights

London City to Punta Cana flights

Luton to Montego Bay flights

Stansted to Montego Bay flights

Heathrow to Port of Spain flights

Gatwick to Castries flights

Heathrow to Roseau flights

Stansted to Kingston flights

Stansted to Punta Cana flights

Gatwick to Nassau flights

Heathrow to St. George's flights

Manchester to Bridgetown flights

Gatwick to Basseterre flights

London City to Bridgetown flights

Heathrow to George Town flights

Birmingham to Montego Bay flights

London City to Castries flights

Heathrow to St. John's flights

Luton to Punta Cana flights

Gatwick to Havana flights

Gatwick to Pointe-à-Pitre flights

Manchester to Montego Bay flights

London City to Luis Munoz Marin Intl flights

Heathrow to Kingstown flights

Gatwick to St. John's flights

London City to Santo Domingo flights

Manchester to Punta Cana flights

Heathrow to Basseterre flights

Gatwick to Port of Spain flights

Gatwick to Roseau flights

Heathrow to Providenciales flights

Manchester to Luis Munoz Marin Intl flights

Heathrow to Havana flights

Direct flights to

Direct flights to Montego Bay

Direct flights to Bridgetown

Direct flights to Kingston

Direct flights to Punta Cana

Direct flights to Port of Spain

Direct flights to St. John's

Direct flights to St. George's

Direct flights to Kingstown

Direct flights to Nassau

Direct flights to Castries

Direct flights to George Town

Direct flights to Providenciales

Direct flights to Basseterre

Direct flights to Oranjestad

Direct flights to Scarborough

Top 6 airlines flying from London to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£421	Average£553	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Icelandair	Cheapest£427	Average£628	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£440	Average£664	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£508	Average£766	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£561	Average£712	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£875	Average£1,133	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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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Cheap flights from London to Puerto Rico from £268

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 London to Puerto Rico

Keep the following information in mind while searching for London to Puerto Rico flight deals. Data was last updated 29 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Puerto Rico

Cheapest flights from London to Puerto RicoExplore 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 29 April 2025.

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 29 April 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from London to Puerto Rico

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

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 29 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 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.

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?

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from London 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 London to Puerto Rico?

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

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

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

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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 29 April 2025.