How long is the flight from London to Puerto Rico?

There are many flights that can get you from London to Puerto Rico in 13h 40m. Fly via JetBlue or United Airlines to get the fastest option. The distance from London to Puerto Rico is about 4179 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

£338 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Avianca and British Airways, with prices starting from £339 and £607, respectively.

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.

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).

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.

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.

£308+ Flights from London to Puerto Rico

Cheap flight deals from London to Puerto Rico

Round-trip from	£493
One-way from	£308
Popular in	July
Cheapest in	September
Average price	£535

1/10-5/10
3 total stops
40h 24m total
London to Puerto Rico

Search Deals

JetBlue
3/12
1 total stop
18h 34m total
London 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 (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 17 September 2025.

Wed 1/1013:05LGW - SJU

1 stop17h 53mMultiple Airlines

Sun 5/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£493

Thu 2/1014:00LGW - SJU

1 stop15h 54mMultiple Airlines

Sat 4/1021:26SJU - LGW

1 stop27h 54mMultiple Airlines

Deal found 16/9£493

Fri 7/1111:10LHR - BQN

2 stops19h 54mMultiple Airlines

Wed 12/1103:59BQN - LHR

2 stops23h 11mMultiple Airlines

Deal found 16/9£493

Tue 30/913:05LGW - SJU

1 stop25h 51mMultiple Airlines

Tue 7/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£496

Mon 29/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Thu 9/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£498

Tue 7/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Wed 8/1006:22SJU - LGW

2 stops22h 38mMultiple Airlines

Deal found 16/9£499

Fri 3/1013:05LGW - SJU

1 stop17h 53mMultiple Airlines

Sun 5/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£502

Mon 29/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Sat 4/1006:44SJU - LGW

2 stops18h 36mMultiple Airlines

Deal found 16/9£504

Tue 14/1008:15LHR - SJU

1 stop13h 27mIcelandair

Tue 21/1006:00SJU - LHR

2 stops19h 30mIcelandair

Deal found 16/9£504

Mon 24/1112:20LHR - SJU

1 stop17h 37mJetBlue

Tue 9/1205:15SJU - LHR

1 stop12h 25mJetBlue

Deal found 15/9£506

Tue 14/1019:50LGW - SJU

2 stops35h 12mMultiple Airlines

Tue 21/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£507

Wed 1/1008:15LHR - SJU

1 stop13h 40mJetBlue

Tue 7/1013:25SJU - LHR

1 stop15h 05mJetBlue

Deal found 16/9£507

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 17 September 2025.

Thu 30/1014:00LGW - SJU

1 stop15h 44mMultiple Airlines

Thu 20/1107:11SJU - LGW

2 stops33h 29mMultiple Airlines

Deal found 16/9£493

Wed 1/1008:15LHR - SJU

1 stop13h 40mJetBlue

Thu 9/1021:25SJU - LHR

1 stop18h 20mJetBlue

Deal found 16/9£507

Mon 2/321:40LHR - SJU

1 stop17h 55mAvianca

Tue 3/318:30SJU - LHR

1 stop16h 05mAvianca

Deal found 16/9£548

Fri 17/1008:15LHR - SJU

2 stops30h 32mIcelandair

Sun 26/1019:10SJU - LHR

1 stop31h 45mIcelandair

Deal found 16/9£591

Tue 25/1107:30LHR - SJU

2 stops18h 52mUnited Airlines

Sun 7/1208:30SJU - LHR

1 stop18h 10mUnited Airlines

Deal found 15/9£729

Sat 15/1109:00LHR - BQN

2 stops18h 57mAir Canada

Tue 18/1101:09BQN - LHR

2 stops26h 01mAir Canada

Deal found 14/9£975

Fri 7/1111:10LHR - BQN

2 stops19h 54mMultiple Airlines

Wed 12/1103:59BQN - LHR

2 stops23h 11mMultiple Airlines

Deal found 16/9£493

Fri 3/1008:15LHR - SJU

1 stop18h 09mJetBlue

Thu 9/1021:25SJU - LHR

1 stop18h 20mJetBlue

Deal found 16/9£510

Tue 14/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Tue 21/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£502

Fri 3/1008:15LHR - SJU

1 stop18h 09mJetBlue

Tue 7/1013:25SJU - LHR

1 stop15h 05mJetBlue

Deal found 16/9£510

Thu 2/1014:00LGW - SJU

1 stop15h 54mMultiple Airlines

Thu 9/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£510

Wed 26/1112:20LHR - SJU

1 stop19h 28mJetBlue

Sat 6/1215:40SJU - LHR

1 stop13h 50mJetBlue

Deal found 15/9£521

Fri 21/1109:20LHR - SJU

2 stops20h 37mIcelandair

Sat 29/1122:19SJU - LHR

1 stop18h 26mIcelandair

Deal found 16/9£661

Tue 30/913:05LGW - SJU

1 stop17h 53mMultiple Airlines

Thu 9/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£510

Sun 23/1112:20LHR - SJU

1 stop17h 37mJetBlue

Tue 9/1213:41SJU - LHR

1 stop13h 14mJetBlue

Deal found 15/9£528

Thu 27/1107:30LHR - SJU

2 stops18h 52mUnited Airlines

Sun 14/1208:10SJU - LHR

2 stops18h 30mUnited Airlines

Deal found 15/9£729

Wed 8/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Wed 15/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£513

Tue 7/1013:30LHR - SJU

2 stops28h 04mUnited Airlines

Fri 17/1013:30SJU - LHR

1 stop12h 45mUnited Airlines

Deal found 16/9£730

Fri 7/1108:05LHR - BQN

1 stop18h 32mJetBlue

Thu 13/1106:01BQN - LHR

1 stop23h 29mJetBlue

Deal found 16/9£583

Thu 27/1114:00LGW - SJU

1 stop16h 54mMultiple Airlines

Fri 5/1211:05SJU - LGW

1 stop18h 55mMultiple Airlines

Deal found 15/9£532

Fri 7/1112:50LHR - BQN

1 stop15h 07mUnited Airlines

Wed 12/1101:09BQN - LHR

2 stops25h 31mUnited Airlines

Deal found 16/9£752

Tue 30/913:05LGW - SJU

1 stop17h 53mMultiple Airlines

Sun 5/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£535

Tue 7/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Thu 16/1003:40SJU - LGW

2 stops21h 40mMultiple Airlines

Deal found 16/9£540

Mon 6/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Thu 16/1003:40SJU - LGW

2 stops21h 40mMultiple Airlines

Deal found 16/9£546

Sat 27/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Fri 10/1002:49SJU - LGW

1 stop26h 11mMultiple Airlines

Deal found 16/9£557

Wed 5/1111:10LHR - SJU

2 stops20h 23mMultiple Airlines

Fri 14/1109:00SJU - LHR

2 stops19h 30mMultiple Airlines

Deal found 15/9£590

Tue 7/1009:25LCY - SJU

3 stops33h 47mMultiple Airlines

Wed 15/1002:49SJU - LCY

3 stops35h 06mMultiple Airlines

Deal found 16/9£601

Wed 5/1105:55STN - SJU

1 stop14h 40mMultiple Airlines

Fri 14/1118:17SJU - STN

2 stops21h 43mMultiple Airlines

Deal found 15/9£619

Tue 14/1013:05LCY - SJU

3 stops30h 07mMultiple Airlines

Mon 20/1002:49SJU - LCY

3 stops33h 41mMultiple Airlines

Deal found 16/9£628

Fri 24/1013:05LCY - SJU

3 stops30h 07mMultiple Airlines

Tue 28/1002:49SJU - LCY

3 stops35h 51mMultiple Airlines

Deal found 15/9£662

Last-minute flights from London to Puerto Rico
Discover last-minute flight deals from London to Puerto Rico. Data last updated 17 September 2025 and is based on user searches.

Mon 29/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Thu 9/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£498

Mon 29/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Sat 4/1006:44SJU - LGW

2 stops18h 36mMultiple Airlines

Deal found 16/9£504

Mon 29/914:00LGW - SJU

1 stop29h 11mMultiple Airlines

Mon 13/1009:00SJU - LGW

2 stops44h 00mMultiple Airlines

Deal found 16/9£507

Tue 30/913:05LGW - SJU

1 stop25h 51mMultiple Airlines

Tue 7/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£496

Tue 30/913:05LGW - SJU

1 stop25h 51mMultiple Airlines

Wed 8/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£509

Wed 1/1013:05LGW - SJU

1 stop17h 53mMultiple Airlines

Sun 5/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£493

Wed 1/1008:15LHR - SJU

1 stop13h 40mJetBlue

Tue 7/1013:25SJU - LHR

1 stop15h 05mJetBlue

Deal found 16/9£507

Thu 2/1014:00LGW - SJU

1 stop15h 54mMultiple Airlines

Wed 8/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£493

Fri 3/1013:05LGW - SJU

1 stop17h 53mMultiple Airlines

Sun 5/1002:49SJU - LGW

2 stops22h 31mMultiple Airlines

Deal found 16/9£502

Tue 7/1014:00LGW - SJU

1 stop16h 44mMultiple Airlines

Wed 8/1006:22SJU - LGW

2 stops22h 38mMultiple Airlines

Deal found 16/9£499

Tue 14/1008:15LHR - SJU

1 stop13h 27mIcelandair

Tue 21/1006:00SJU - LHR

2 stops19h 30mIcelandair

Deal found 16/9£504

Tue 14/1019:50LGW - SJU

2 stops35h 12mMultiple Airlines

Tue 21/1006:22SJU - LGW

1 stop18h 58mMultiple Airlines

Deal found 16/9£507

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 17 September 2025.

Wed 3/1209:20LHR - SJU

1 stop18h 34mJetBlue

Deal found 15/9£308

Tue 2/1213:00LGW - SJU

1 stop25h 54mMultiple Airlines

Deal found 15/9£314

Thu 23/1008:20STN - SJU

3 stops47h 31mMultiple Airlines

Deal found 16/9£326

Wed 22/1006:55STN - SJU

3 stops24h 07mMultiple Airlines

Deal found 15/9£335

Tue 2/1212:20LHR - SJU

1 stop19h 28mJetBlue

Deal found 15/9£338

Sun 15/321:40LHR - SJU

1 stop23h 25mAvianca

Deal found 15/9£339

Thu 23/1014:30LGW - SJU

3 stops41h 21mMultiple Airlines

Deal found 16/9£345

Wed 22/1017:30SEN - SJU

3 stops50h 54mMultiple Airlines

Deal found 15/9£356

Thu 23/1009:55LHR - SJU

3 stops45h 56mMultiple Airlines

Deal found 16/9£364

Wed 22/1007:00LGW - SJU

3 stops24h 02mMultiple Airlines

Deal found 15/9£370

Wed 22/1007:00LHR - SJU

3 stops24h 02mMultiple Airlines

Deal found 15/9£383

Sun 15/308:55STN - SJU

1 stop35h 45mMultiple Airlines

Deal found 15/9£386

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 30/10

14:00-01:44

1 stop15h 44m

San Juan Luis Munoz Marin Intl

Thu 20/11

07:11-20:40

2 stops33h 29m

£493

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Fri 7/11

11:10-03:04

2 stops19h 54m

Aguadilla Borinquen

Wed 12/11

03:59-07:10

2 stops23h 11m

£493

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 14/10

14:00-01:44

1 stop16h 44m

San Juan Luis Munoz Marin Intl

Tue 21/10

06:22-06:20

1 stop18h 58m

£502

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 1/10

08:15-16:55

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Thu 9/10

21:25-20:45

1 stop18h 20m

£507

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Thu 2/10

14:00-00:54

1 stop15h 54m

San Juan Luis Munoz Marin Intl

Thu 9/10

06:22-06:20

1 stop18h 58m

£510

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 3/10

08:15-21:24

1 stop18h 09m

San Juan Luis Munoz Marin Intl

Thu 9/10

21:25-20:45

1 stop18h 20m

£510

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 3/10

08:15-21:24

1 stop18h 09m

San Juan Luis Munoz Marin Intl

Tue 7/10

13:25-09:30

1 stop15h 05m

£510

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Tue 30/9

13:05-01:58

1 stop17h 53m

San Juan Luis Munoz Marin Intl

Thu 9/10

06:22-06:20

1 stop18h 58m

£510

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 8/10

14:00-01:44

1 stop16h 44m

San Juan Luis Munoz Marin Intl

Wed 15/10

02:49-06:20

2 stops22h 31m

£513

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 26/11

12:20-03:48

1 stop19h 28m

San Juan Luis Munoz Marin Intl

Sat 6/12

15:40-09:30

1 stop13h 50m

£521

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 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.

Reviews of airlines servicing Puerto Rico

Check out reviews from past customers who have flown with Finnair, JetBlue, andIcelandair from London 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

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,324 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

JetBlue

7.2

Good

2,914 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Icelandair

7.0

Good

544 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Iberia

7.0

Good

2,924 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,363 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Related info for your journey

How long is the flight from London to Puerto Rico?
There are many flights that can get you from London to Puerto Rico in 13h 40m. Fly via JetBlue or United Airlines to get the fastest option. The distance from London to Puerto Rico is about 4179 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from London to Puerto Rico one-way?
£338 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Avianca and British Airways, with prices starting from £339 and £607, 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 Bridgetown flights

Heathrow to Punta Cana flights

Gatwick to Punta Cana flights

Gatwick to Kingston flights

Gatwick to Montego Bay flights

Heathrow to Castries flights

London City to Bridgetown flights

Heathrow to St. George's flights

Manchester to Bridgetown flights

Heathrow to Nassau flights

Gatwick to Castries flights

London City to Montego Bay flights

Heathrow to Port of Spain flights

Heathrow to St. John's flights

Heathrow to Luis Munoz Marin Intl flights

Gatwick to St. John's flights

London City to Kingston flights

Heathrow to Kingstown flights

London City to Punta Cana flights

Gatwick to St. George's flights

Stansted to Punta Cana flights

Heathrow to Santo Domingo flights

Gatwick to Luis Munoz Marin Intl flights

London City to Castries flights

Gatwick to Port of Spain flights

Manchester to Montego Bay flights

Heathrow to Castries flights

Heathrow to Road Town flights

Gatwick to Santo Domingo flights

Heathrow to Simpson Bay flights

Heathrow to George Town flights

Birmingham to Montego Bay flights

London City to Luis Munoz Marin Intl flights

Heathrow to Oranjestad flights

Gatwick to Nassau flights

Gatwick to Havana flights

Heathrow to Roseau flights

Birmingham to Bridgetown flights

Manchester to Punta Cana flights

Luton to Punta Cana flights

Heathrow to Basseterre flights

Heathrow to Georgetown flights

Heathrow to Providenciales flights

Gatwick to Road Town flights

London City to Santo Domingo flights

Heathrow to Scarborough flights

Edinburgh to Bridgetown 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 Oranjestad

Direct flights to Basseterre

Direct flights to Scarborough

Top 6 airlines flying from London to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest£338	Average£1,106	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
JetBlue	Cheapest£437	Average£583	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Icelandair	Cheapest£442	Average£651	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Finnair	Cheapest£445	Average£543	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£503	Average£801	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£530	Average£829	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £308

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 3/12. 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 17 September 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 17 September 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 17 September 2025.

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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 17 September 2025.

Reviews of airlines servicing Puerto Rico

Check out reviews from past customers who have flown with Finnair, JetBlue, andIcelandair from London 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 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.

How long is the flight from London to Puerto Rico?

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

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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.

Top 6 airlines flying from London to Puerto Rico

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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 17 September 2025.