What is the cheapest airline that flies from Puerto Rico to London?

JetBlue is the most popular carrier operating from Puerto Rico to London

How long does it take to fly to London?

Flight times from Puerto Rico to London vary, but if you’re flying out of San Juan and flying into London Heathrow Airport (one of the most popular routes), then the duration is 11h 55m on average. Another popular route from Puerto Rico to London is flying from Ponce to London Heathrow Airport, which will take roughly 14h 54m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Puerto Rico to London were last updated today.

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

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 from Puerto Rico to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£150 Cheap Flights from Puerto Rico to London in 2025

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Puerto Rico to London

Round-trip

One-way

Recent return flight deals from Puerto Rico to London

14:10 - 08:05SJU-LHR

13h 55m1 stop

12:30 - 23:13LHR-SJU

14h 43m1 stop

£420KLM

Find Deal

Tue, 11 Nov - Thu, 20 Nov

17:41 - 07:15SJU-LHR

32h 34m1 stop

09:55 - 23:56LHR-SJU

19h 01m2 stops

£425Delta

Find Deal

Sat, 4 Oct - Tue, 14 Oct

07:00 - 07:40SJU-LHR

19h 40m1 stop

09:30 - 23:57LHR-SJU

19h 27m2 stops

£426United Airlines

Find Deal

Wed, 8 Oct - Wed, 15 Oct

16:50 - 10:50SJU-LHR

14h 00m1 stop

09:10 - 22:22LHR-SJU

17h 12m2 stops

£430United Airlines

Find Deal

Wed, 29 Oct - Tue, 4 Nov

14:35 - 06:35SJU-LHR

12h 00m1 stop

09:55 - 19:55LHR-SJU

15h 00m1 stop

£439

Find Deal

Mon, 12 Jan - Fri, 17 Apr

21:25 - 13:20SJU-LGW

11h 55m1 stop

07:50 - 19:55LGW-SJU

16h 05m1 stop

£448

Find Deal

Mon, 16 Feb - Thu, 26 Feb

16:55 - 06:30SJU-LHR

32h 35m2 stops

09:30 - 12:00LHR-SJU

31h 30m2 stops

£460Air Canada

Find Deal

Sat, 4 Oct - Tue, 14 Oct

12:50 - 06:50SJU-LHR

14h 00m1 stop

13:10 - 23:40LHR-SJU

14h 30m1 stop

£464British Airways

Find Deal

Thu, 22 Jan - Thu, 29 Jan

01:05 - 21:35SJU-LHR

39h 30m2 stops

13:25 - 12:49LHR-SJU

27h 24m2 stops

£478Air Canada

Find Deal

Fri, 24 Oct - Sun, 2 Nov

07:00 - 09:25SJU-LHR

21h 25m1 stop

12:30 - 23:59LHR-SJU

16h 29m1 stop

£484British Airways

Find Deal

Thu, 9 Oct - Thu, 16 Oct

Iberia flights from Puerto Rico to London

Our best Iberia deals on Puerto Rico to London flight tickets

Iberia

16 Feb

SJU21:25San Juan Luis Munoz Marin Intl

15h 10m

1 stop

LHR16:35London Heathrow

27 Feb

LHR09:15London Heathrow

14h 40m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£475

Find similar

Iberia

18 Feb

SJU18:10San Juan Luis Munoz Marin Intl

12h 40m

1 stop

LGW10:50London Gatwick

26 Feb

LGW11:45London Gatwick

12h 10m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£480

Find similar

Iberia

18 Feb

SJU18:10San Juan Luis Munoz Marin Intl

12h 40m

1 stop

LGW10:50London Gatwick

27 Feb

LGW11:45London Gatwick

12h 10m

1 stop

SJU19:55San Juan Luis Munoz Marin Intl

£517

Find similar

United Airlines flights from Puerto Rico to London

Our best United Airlines deals on Puerto Rico to London flight tickets

United Airlines

8 Oct

SJU07:00San Juan Luis Munoz Marin Intl

19h 40m

1 stop

LHR07:40London Heathrow

15 Oct

LHR09:30London Heathrow

19h 27m

2 stops

SJU23:57San Juan Luis Munoz Marin Intl

£426

Find similar

United Airlines

29 Oct

SJU16:50San Juan Luis Munoz Marin Intl

14h 00m

1 stop

LHR10:50London Heathrow

4 Nov

LHR09:10London Heathrow

17h 12m

2 stops

SJU22:22San Juan Luis Munoz Marin Intl

£430

Find similar

United Airlines

29 Oct

SJU13:20San Juan Luis Munoz Marin Intl

17h 30m

2 stops

LHR10:50London Heathrow

4 Nov

LHR07:40London Heathrow

20h 56m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

£430

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 11/11

14:10-08:05

1 stop13h 55m

London Heathrow

Thu 20/11

12:30-23:13

1 stop14h 43m

£420

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 4/10

17:41-07:15

1 stop32h 34m

London Heathrow

Tue 14/10

09:55-23:56

2 stops19h 01m

£425

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 8/10

07:00-07:40

1 stop19h 40m

London Heathrow

Wed 15/10

09:30-23:57

2 stops19h 27m

£426

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 29/10

16:50-10:50

1 stop14h 00m

London Heathrow

Tue 4/11

09:10-22:22

2 stops17h 12m

£430

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 12/1

14:35-06:35

1 stop12h 00m

London Heathrow

Fri 17/4

09:55-19:55

1 stop15h 00m

£439

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 16/2

21:25-13:20

1 stop11h 55m

London Gatwick

Thu 26/2

07:50-19:55

1 stop16h 05m

£448

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 4/10

16:55-06:30

2 stops32h 35m

London Heathrow

Tue 14/10

09:30-12:00

2 stops31h 30m

£460

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 22/1

12:50-06:50

1 stop14h 00m

London Heathrow

Thu 29/1

13:10-23:40

1 stop14h 30m

£464

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 24/10

01:05-21:35

2 stops39h 30m

London Heathrow

Sun 2/11

13:25-12:49

2 stops27h 24m

£478

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 9/10

07:00-09:25

1 stop21h 25m

London Heathrow

Thu 16/10

12:30-23:59

1 stop16h 29m

£484

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Puerto Rico is in February. Flight prices, which tend to average around £492, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Puerto Rico averaging around £492.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £488. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to London for around £781.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £488. Flights in the morning are often more expensive, with an average ticket price of £845.

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

You are more likely to see cheaper flights to London from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £609 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Puerto Rico for as low as £417 on momondo.

Cheap Puerto Rico to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to London

Direct flights	None

There are no direct flights from Puerto Rico to London. There are no popular flight routes from Puerto Rico to London.

Search flight deals

When did momondo last update prices for flights from Puerto Rico to London?
Prices for flights from Puerto Rico to London were last updated today.
How old do you have to be to fly from Puerto Rico to London?
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 from Puerto Rico to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Eastbourne

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Dover

Chelmsford

Hayes

Dartford

Winchester

Hounslow

Stansted

Why use momondo?

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

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 London from Puerto Rico.

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

All flight searches from Puerto Rico to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Puerto Rico to London?

Once all potential Puerto Rico to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Puerto Rico. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.