Cheap flights from Puerto Rico to London from £207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to London departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Recent return flight deals from Puerto Rico to London

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Multiple Airlines Logo
19:54 - 10:00
SJU
-
LGW
33h 06m
2 stops
Multiple Airlines Logo
14:00 - 08:53
LGW
-
SJU
23h 53m
1 stop
£552Multiple Airlines
Wed, 1 Apr - Thu, 9 Apr
Virgin Atlantic Logo
17:34 - 13:15
SJU
-
LHR
14h 41m
1 stop
Virgin Atlantic Logo
12:50 - 23:35
LHR
-
SJU
15h 45m
1 stop
£559Virgin Atlantic
Tue, 5 May - Wed, 13 May
Virgin Atlantic Logo
17:34 - 13:15
SJU
-
LHR
14h 41m
1 stop
Virgin Atlantic Logo
11:15 - 22:17
LHR
-
SJU
16h 02m
1 stop
£561Virgin Atlantic
Tue, 5 May - Wed, 13 May
JetBlue Logo
19:58 - 20:45
SJU
-
LHR
19h 47m
1 stop
JetBlue Logo
11:55 - 21:00
LHR
-
SJU
14h 05m
1 stop
£573JetBlue
Tue, 21 Apr - Tue, 28 Apr
JetBlue Logo
05:01 - 06:30
SJU
-
LHR
20h 29m
1 stop
JetBlue Logo
11:55 - 21:32
LHR
-
SJU
14h 37m
1 stop
£581JetBlue
Wed, 1 Apr - Sat, 11 Apr
British Airways Logo
20:40 - 15:15
SJU
-
LCY
13h 35m
1 stop
British Airways Logo
09:10 - 22:05
LCY
-
SJU
17h 55m
2 stops
£1,004British Airways
Thu, 23 Apr - Wed, 29 Apr
KLM Logo
17:30 - 19:35
SJU
-
LCY
22h 05m
2 stops
KLM Logo
20:15 - 20:18
LCY
-
SJU
29h 03m
2 stops
£1,012KLM
Sun, 22 Mar - Mon, 30 Mar
Iberia Logo
20:40 - 15:15
SJU
-
LCY
13h 35m
1 stop
Iberia Logo
19:15 - 15:55
LCY
-
SJU
25h 40m
1 stop
£1,037Iberia
Thu, 23 Apr - Thu, 30 Apr
Iberia Logo
20:40 - 15:15
SJU
-
LCY
13h 35m
1 stop
Iberia Logo
09:50 - 18:50
LCY
-
SJU
14h 00m
1 stop
£1,084Iberia
Tue, 9 Jun - Tue, 16 Jun
KLM Logo
17:30 - 17:20
SJU
-
LCY
19h 50m
2 stops
KLM Logo
20:15 - 20:18
LCY
-
SJU
29h 03m
2 stops
£1,087KLM
Sun, 22 Mar - Mon, 30 Mar

JetBlue flights from Puerto Rico to London

Our best JetBlue deals on Puerto Rico to London flight tickets
JetBlue
21 Apr
SJU19:58San Juan Luis Munoz Marin Intl
19h 47m
1 stop
LHR20:45London Heathrow
28 Apr
LHR11:55London Heathrow
14h 05m
1 stop
SJU21:00San Juan Luis Munoz Marin Intl
£573
JetBlue
12 Mar
SJU05:01San Juan Luis Munoz Marin Intl
12h 39m
1 stop
LHR21:40London Heathrow
18 Mar
LHR12:20London Heathrow
18h 07m
1 stop
SJU02:27San Juan Luis Munoz Marin Intl
£579
JetBlue
10 Mar
SJU04:15San Juan Luis Munoz Marin Intl
13h 25m
1 stop
LHR21:40London Heathrow
17 Mar
LHR12:20London Heathrow
17h 05m
1 stop
SJU01:25San Juan Luis Munoz Marin Intl
£580

Virgin Atlantic flights from Puerto Rico to London

Our best Virgin Atlantic deals on Puerto Rico to London flight tickets
Virgin Atlantic
5 May
SJU17:34San Juan Luis Munoz Marin Intl
14h 41m
1 stop
LHR13:15London Heathrow
13 May
LHR12:50London Heathrow
15h 45m
1 stop
SJU23:35San Juan Luis Munoz Marin Intl
£559
Virgin Atlantic
5 May
SJU17:34San Juan Luis Munoz Marin Intl
14h 41m
1 stop
LHR13:15London Heathrow
13 May
LHR11:15London Heathrow
16h 02m
1 stop
SJU22:17San Juan Luis Munoz Marin Intl
£561
Virgin Atlantic
22 Apr
SJU17:42San Juan Luis Munoz Marin Intl
15h 53m
1 stop
LHR14:35London Heathrow
29 Apr
LHR11:20London Heathrow
17h 39m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
£569

momondo Fare Finder

 
Customise your flight search to find flights from Puerto Rico to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Puerto Rico to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Wed 1/4

19:54-10:00

2 stops33h 06m

London Gatwick

Thu 9/4

14:00-08:53

1 stop23h 53m

£552

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 5/5

17:34-13:15

1 stop14h 41m

London Heathrow

Wed 13/5

12:50-23:35

1 stop15h 45m

£559

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 5/5

17:34-13:15

1 stop14h 41m

London Heathrow

Wed 13/5

11:15-22:17

1 stop16h 02m

£561

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 21/4

19:58-20:45

1 stop19h 47m

London Heathrow

Tue 28/4

11:55-21:00

1 stop14h 05m

£573

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 1/4

05:01-06:30

1 stop20h 29m

London Heathrow

Sat 11/4

11:55-21:32

1 stop14h 37m

£581

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Thu 23/4

20:40-15:15

1 stop13h 35m

London City

Wed 29/4

09:10-22:05

2 stops17h 55m

£1,004

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Sun 22/3

17:30-19:35

2 stops22h 05m

London City

Mon 30/3

20:15-20:18

2 stops29h 03m

£1,012

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Thu 23/4

20:40-15:15

1 stop13h 35m

London City

Thu 30/4

19:15-15:55

1 stop25h 40m

£1,037
Fastest return journey

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Tue 9/6

20:40-15:15

1 stop13h 35m

London City

Tue 16/6

09:50-18:50

1 stop14h 00m

£1,084

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Sun 22/3

17:30-17:20

2 stops19h 50m

London City

Mon 30/3

20:15-20:18

2 stops29h 03m

£1,087

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 £437, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Puerto Rico averaging around £469.

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 £623 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 £513 on momondo.

Can stopping save me money on Puerto Rico to London flights?

You could potentially save up to 54% on your flight if you consider stops on a Puerto Rico to London flight.

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

Fastest flight time

12h 35m

Direct flights

None
The fastest flight from Puerto Rico to London takes 12h 35m
There are no direct flights from Puerto Rico to London. There are no popular flight routes from Puerto Rico to London.
  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Ipswich
Canterbury
Ilford
Wembley
Guildford
Chelmsford
Hayes
Dover
Folkestone
Ramsgate
Worthing
Colchester
Chichester

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.

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1 adult
Thu 9/4
Thu 16/4

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London