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

On average, it takes 15h 24m to fly from United Kingdom to Puerto Rico if you fly out of London Heathrow (the most popular airport in United Kingdom) and into San Juan Luis Munoz Marin Intl (the most popular airport in Puerto Rico). If you’re flying out of Manchester and into San Juan Luis Munoz Marin Intl, then the flight time is around 19h 30m.

What are the most popular cities to visit in Puerto Rico?

For momondo users, the most popular city in Puerto Rico is San Juan, which is visited about 98% more often than any other city in Puerto Rico. Other very common cities that our users travel to are Aguadilla and Ponce.

£316 Cheap Flights to Puerto Rico in 2025/26

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Recent flights found to popular cities in Puerto Rico

Find flights to these popular cities in Puerto Rico from your nearest airport.

Flights to San Juan

Search all flight deals to San Juan

JetBlue

24 Apr

LHR

28h 53m

1 stop

SJU

4 May

SJU

18h 20m

1 stop

LHR

£538

Find similar

JetBlue

17 Mar

LHR

22h 00m

1 stop

SJU

21 Mar

SJU

13h 19m

1 stop

LHR

£538

Find similar

Multiple Airlines

11 Mar

LGW

39h 48m

2 stops

SJU

20 Mar

SJU

33h 20m

1 stop

LGW

£539

Find similar

Multiple Airlines

2 Feb

MAN

34h 20m

2 stops

SJU

16 Feb

SJU

19h 53m

2 stops

MAN

£541

Find similar

JetBlue

16 Jan

LHR

16h 38m

1 stop

SJU

26 Jan

SJU

23h 25m

1 stop

LHR

£547

Find similar

Multiple Airlines

13 Jan

LGW

31h 40m

3 stops

SJU

23 Jan

SJU

20h 03m

2 stops

LGW

£547

Find similar

Multiple Airlines

28 Jan

LGW

19h 55m

2 stops

SJU

8 Feb

SJU

18h 50m

1 stop

LGW

£550

Find similar

Multiple Airlines

28 Jan

STN

33h 40m

2 stops

SJU

4 Feb

SJU

20h 20m

2 stops

STN

£550

Find similar

Multiple Airlines

13 Jan

LHR

31h 20m

3 stops

SJU

23 Jan

SJU

19h 58m

2 stops

LHR

£550

Find similar

Multiple Airlines

23 Jan

LGW

13h 59m

1 stop

SJU

6 Feb

SJU

17h 55m

2 stops

LGW

£550

Find similar

Multiple Airlines

24 Jan

LGW

29h 35m

2 stops

SJU

6 Feb

SJU

34h 30m

2 stops

LGW

£552

Find similar

Multiple Airlines

24 Jan

STN

26h 30m

2 stops

SJU

30 Jan

SJU

22h 10m

2 stops

STN

£556

Find similar

Flights to Aguadilla

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JetBlue

5 Mar

LHR

16h 24m

1 stop

BQN

8 Mar

BQN

15h 13m

1 stop

LHR

£596

Find similar

United Airlines

5 Mar

LHR

20h 27m

2 stops

BQN

8 Mar

BQN

26h 31m

2 stops

LHR

£917

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Flights to San Juan Luis Munoz Marin Intl Airport

Search all flight deals to San Juan Luis Munoz Marin Intl Airport

JetBlue

24 Apr

LHR

28h 53m

1 stop

SJU

4 May

SJU

18h 20m

1 stop

LHR

£538

Find similar

JetBlue

17 Mar

LHR

22h 00m

1 stop

SJU

21 Mar

SJU

13h 19m

1 stop

LHR

£538

Find similar

Multiple Airlines

11 Mar

LGW

39h 48m

2 stops

SJU

20 Mar

SJU

33h 20m

1 stop

LGW

£539

Find similar

Multiple Airlines

2 Feb

MAN

34h 20m

2 stops

SJU

16 Feb

SJU

19h 53m

2 stops

MAN

£541

Find similar

JetBlue

16 Jan

LHR

16h 38m

1 stop

SJU

26 Jan

SJU

23h 25m

1 stop

LHR

£547

Find similar

Multiple Airlines

13 Jan

LGW

31h 40m

3 stops

SJU

23 Jan

SJU

20h 03m

2 stops

LGW

£547

Find similar

Multiple Airlines

28 Jan

LGW

19h 55m

2 stops

SJU

8 Feb

SJU

18h 50m

1 stop

LGW

£550

Find similar

Multiple Airlines

28 Jan

STN

33h 40m

2 stops

SJU

4 Feb

SJU

20h 20m

2 stops

STN

£550

Find similar

Multiple Airlines

13 Jan

LHR

31h 20m

3 stops

SJU

23 Jan

SJU

19h 58m

2 stops

LHR

£550

Find similar

Multiple Airlines

23 Jan

LGW

13h 59m

1 stop

SJU

6 Feb

SJU

17h 55m

2 stops

LGW

£550

Find similar

Multiple Airlines

24 Jan

LGW

29h 35m

2 stops

SJU

6 Feb

SJU

34h 30m

2 stops

LGW

£552

Find similar

Multiple Airlines

24 Jan

STN

26h 30m

2 stops

SJU

30 Jan

SJU

22h 10m

2 stops

STN

£556

Find similar

Find the cheapest flights from the United Kingdom to Puerto Rico

Round-trip

One-way

Last minute

Recent return flight deals from the United Kingdom to Puerto Rico

Enter your travel dates to find the best prices.

11:55 - 11:48

LHR

SJU

28h 53m1 stop

21:25 - 20:45

SJU

LHR

18h 20m1 stop

£538JetBlue

Fri, 24 Apr - Mon, 4 May

07:25 - 01:25

LHR

SJU

22h 00m1 stop

03:26 - 20:45

SJU

LHR

13h 19m1 stop

£538JetBlue

Tue, 17 Mar - Sat, 21 Mar

13:00 - 00:48

LGW

SJU

39h 48m2 stops

16:40 - 06:00

SJU

LGW

33h 20m1 stop

£539Multiple Airlines

Wed, 11 Mar - Fri, 20 Mar

09:00 - 15:20

MAN

SJU

34h 20m2 stops

10:52 - 10:45

SJU

MAN

19h 53m2 stops

£541Multiple Airlines

Mon, 2 Feb - Mon, 16 Feb

22:05 - 11:55

LHR

SJU

18h 50m1 stop

18:15 - 15:35

SJU

LHR

16h 20m1 stop

£562Avianca

Mon, 11 May - Sun, 17 May

19:15 - 16:35

LCY

SJU

25h 20m1 stop

21:25 - 08:50

SJU

LCY

31h 25m1 stop

£927Iberia

Mon, 26 Jan - Thu, 5 Feb

07:50 - 19:55

LCY

SJU

16h 05m1 stop

21:25 - 14:05

SJU

LCY

12h 40m1 stop

£932British Airways

Wed, 28 Jan - Wed, 4 Feb

06:50 - 23:44

LCY

SJU

20h 54m2 stops

21:25 - 14:05

SJU

LCY

12h 40m1 stop

£943British Airways

Fri, 27 Feb - Tue, 3 Mar

09:25 - 22:22

EDI

SJU

16h 57m2 stops

17:50 - 07:55

SJU

EDI

34h 05m2 stops

£984United Airlines

Wed, 28 Jan - Wed, 4 Feb

09:25 - 10:07

EDI

SJU

28h 42m2 stops

21:25 - 20:55

SJU

EDI

19h 30m2 stops

£1,091Iberia

Thu, 5 Mar - Mon, 9 Mar

Fly from

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 24/4

11:55-11:48

1 stop28h 53m

San Juan Luis Munoz Marin Intl

Mon 4/5

21:25-20:45

1 stop18h 20m

£538

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 17/3

07:25-01:25

1 stop22h 00m

San Juan Luis Munoz Marin Intl

Sat 21/3

03:26-20:45

1 stop13h 19m

£538

LondonSan Juan

LGW - SJU

LGWSJU

London Gatwick

Wed 11/3

13:00-00:48

2 stops39h 48m

San Juan Luis Munoz Marin Intl

Fri 20/3

16:40-06:00

1 stop33h 20m

£539

ManchesterSan Juan

MAN - SJU

MANSJU

Manchester

Mon 2/2

09:00-15:20

2 stops34h 20m

San Juan Luis Munoz Marin Intl

Mon 16/2

10:52-10:45

2 stops19h 53m

£541

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 11/5

22:05-11:55

1 stop18h 50m

San Juan Luis Munoz Marin Intl

Sun 17/5

18:15-15:35

1 stop16h 20m

£562

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 26/1

19:15-16:35

1 stop25h 20m

San Juan Luis Munoz Marin Intl

Thu 5/2

21:25-08:50

1 stop31h 25m

£927

LondonSan Juan

LCY - SJU

LCYSJU

London City

Wed 28/1

07:50-19:55

1 stop16h 05m

San Juan Luis Munoz Marin Intl

Wed 4/2

21:25-14:05

1 stop12h 40m

£932

LondonSan Juan

LCY - SJU

LCYSJU

London City

Fri 27/2

06:50-23:44

2 stops20h 54m

San Juan Luis Munoz Marin Intl

Tue 3/3

21:25-14:05

1 stop12h 40m

£943

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Wed 28/1

09:25-22:22

2 stops16h 57m

San Juan Luis Munoz Marin Intl

Wed 4/2

17:50-07:55

2 stops34h 05m

£984

EdinburghSan Juan

EDI - SJU

EDISJU

Edinburgh Turnhouse

Thu 5/3

09:25-10:07

2 stops28h 42m

San Juan Luis Munoz Marin Intl

Mon 9/3

21:25-20:55

2 stops19h 30m

£1,091

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Puerto Rico flights insights and trends

Explore insights for your Puerto Rico flight to craft the best travel plan

Airlines

Other information

Which airlines fly to Puerto Rico?

JetBlue, Iberia and Finnair are the top three most popular airlines that fly to Puerto Rico from United Kingdom according to our data. JetBlue is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Puerto Rico. Keep in mind that there are 8 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

Cheapest flights to cities in Puerto Rico

Click on the cities below to find out when it's cheapest to fly to Puerto Rico from United Kingdom

San Juan

Find flights to San Juan

Cheap Puerto Rico flight deals and tips

Summary info about Puerto Rico flight prices, duration and airlines

Best One-Way Price	£292
Best Round-Trip Price	£538
Fastest flight time	15h 15m
Popular in	December

The best one-way flight price to Puerto Rico from United Kingdom in the last 72 hours is £292 (London Stansted to San Juan Luis Munoz Marin Intl).

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The best round-trip flight price to Puerto Rico from United Kingdom in the last 72 hours is £538 (London Heathrow to San Juan Luis Munoz Marin Intl).

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The fastest flight to Puerto Rico from United Kingdom takes 15h 15m (London Gatwick to San Juan Luis Munoz Marin Intl).

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December has the highest demand for flights to Puerto Rico, with a 3% price increase on average.

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Frequently asked questions about flying to Puerto Rico

What is the best airport to land at to visit Viejo San Juan?

The closest airport to Viejo San Juan is San Juan Isla Grande Airport, which is located in San Juan. If you plan on visiting or staying in this area, landing at San Juan Isla Grande Airport will be your best bet.

What is the cheapest flight to Puerto Rico?

The best prices found on momondo for flights to Puerto Rico are:
£58 per person with Frontier
£74 per person with JetBlue
£84 per person with American Airlines

Which airlines fly to Puerto Rico?

You can find flights to Puerto Rico from 13 airlines. If you’re unsure which to fly with, consider booking your flight with JetBlue, Iberia or Icelandair as these are the most popular among our users. JetBlue is the most favoured with 32% of momondo travellers booking flights with this airline.

What is the most popular airport in Puerto Rico to fly to?

If you’re unsure where to fly to in Puerto Rico, we recommend booking a flight that arrives at the popular San Juan Luis Munoz Marin Intl airport, which services San Juan and its surrounding areas. In the last 12 months, 94% of momondo travellers booking flights to Puerto Rico chose to fly into San Juan Luis Munoz Marin Intl.

What is the best day of the week to fly to Puerto Rico?

Flying to Puerto Rico on a Monday or Wednesday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Puerto Rico is on a Friday.

When did momondo last update prices for flights to Puerto Rico?

Prices for flights to Puerto Rico refresh daily.

How many operators does momondo search for flights to Puerto Rico?

The number of operators available for flights to Puerto Rico is 18 as of December 2025.

How old do you have to be to fly to Puerto Rico?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico.

Can I find flights to Puerto Rico with flexible booking policies on momondo?

momondo does allow users to show only those flights to Puerto Rico which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Puerto Rico?

momondo provides multiple filters to help you find the best flight to Puerto Rico. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Puerto Rico right now. Can momondo alert me if prices change?

Price alerts on flights to Puerto Rico are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.