Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London to Puerto Rico from £292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Puerto Rico departing on 27/2. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Puerto Rico

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
07:25 - 19:53
LHR
-
BQN
16h 28m1 stop
JetBlue Logo
08:15 - 21:40
BQN
-
LHR
33h 25m1 stop
£460JetBlue
Wed, 28 Jan - Wed, 11 Feb
JetBlue Logo
11:55 - 11:48
LHR
-
SJU
28h 53m1 stop
JetBlue Logo
21:25 - 20:45
SJU
-
LHR
18h 20m1 stop
£536JetBlue
Fri, 24 Apr - Mon, 4 May
JetBlue Logo
07:25 - 01:25
LHR
-
SJU
22h 00m1 stop
JetBlue Logo
03:26 - 20:45
SJU
-
LHR
13h 19m1 stop
£537JetBlue
Tue, 17 Mar - Sat, 21 Mar
Multiple Airlines Logo
13:00 - 00:48
LGW
-
SJU
39h 48m2 stops
Multiple Airlines Logo
16:40 - 06:00
SJU
-
LGW
33h 20m1 stop
£538Multiple Airlines
Wed, 11 Mar - Fri, 20 Mar
JetBlue Logo
12:20 - 00:58
LHR
-
SJU
16h 38m1 stop
JetBlue Logo
06:05 - 09:30
SJU
-
LHR
23h 25m1 stop
£545JetBlue
Fri, 16 Jan - Mon, 26 Jan
Avianca Logo
21:40 - 17:05
LHR
-
SJU
23h 25m1 stop
Avianca Logo
18:30 - 14:35
SJU
-
LHR
16h 05m1 stop
£572Avianca
Tue, 27 Jan - Sun, 8 Feb
British Airways Logo
06:50 - 23:44
LCY
-
SJU
20h 54m2 stops
British Airways Logo
21:25 - 14:05
SJU
-
LCY
12h 40m1 stop
£848British Airways
Fri, 27 Feb - Tue, 3 Mar
Iberia Logo
19:15 - 19:55
LCY
-
SJU
28h 40m1 stop
Iberia Logo
21:25 - 08:50
SJU
-
LCY
31h 25m1 stop
£856Iberia
Mon, 26 Jan - Thu, 5 Feb
United Airlines Logo
07:30 - 23:57
LHR
-
BQN
20h 27m2 stops
United Airlines Logo
00:09 - 06:40
BQN
-
LHR
26h 31m2 stops
£915United Airlines
Thu, 5 Mar - Sun, 8 Mar
United Airlines Logo
12:05 - 16:11
LHR
-
MAZ
32h 06m2 stops
United Airlines Logo
13:19 - 06:40
MAZ
-
LHR
37h 21m2 stops
£1,296United Airlines
Thu, 5 Mar - Mon, 9 Mar

TAP AIR PORTUGAL flights from London to Puerto Rico

Our best TAP AIR PORTUGAL deals on London to Puerto Rico flight tickets
TAP AIR PORTUGAL
19 Feb
LGW10:40London Gatwick
21h 14m
2 stops
SJU03:54San Juan Luis Munoz Marin Intl
26 Feb
SJU15:40San Juan Luis Munoz Marin Intl
20h 10m
2 stops
LGW15:50London Gatwick
£648
Find similar
TAP AIR PORTUGAL
26 Jan
LHR08:15London Heathrow
29h 43m
2 stops
SJU09:58San Juan Luis Munoz Marin Intl
5 Feb
SJU11:06San Juan Luis Munoz Marin Intl
26h 24m
2 stops
LHR17:30London Heathrow
£651
Find similar
TAP AIR PORTUGAL
19 Feb
LHR06:00London Heathrow
25h 54m
2 stops
SJU03:54San Juan Luis Munoz Marin Intl
26 Feb
SJU15:40San Juan Luis Munoz Marin Intl
21h 50m
2 stops
LHR17:30London Heathrow
£651
Find similar

Iberia flights from London to Puerto Rico

Our best Iberia deals on London to Puerto Rico flight tickets
Iberia
26 Jan
LCY19:15London City
28h 40m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
5 Feb
SJU21:25San Juan Luis Munoz Marin Intl
31h 25m
1 stop
LCY08:50London City
£856
Find similar
Iberia
26 Jan
LCY19:15London City
25h 20m
1 stop
SJU16:35San Juan Luis Munoz Marin Intl
5 Feb
SJU21:25San Juan Luis Munoz Marin Intl
31h 25m
1 stop
LCY08:50London City
£925
Find similar
Iberia
22 Jan
LCY07:50London City
16h 05m
1 stop
SJU19:55San Juan Luis Munoz Marin Intl
26 Jan
SJU21:25San Juan Luis Munoz Marin Intl
13h 10m
1 stop
LCY14:35London City
£947
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Puerto Rico 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 17 December 2025.
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

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Wed 28/1

07:25-19:53

1 stop16h 28m

Aguadilla Borinquen

Wed 11/2

08:15-21:40

1 stop33h 25m

£460

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

£536

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

£537

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

£538

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Fri 16/1

12:20-00:58

1 stop16h 38m

San Juan Luis Munoz Marin Intl

Mon 26/1

06:05-09:30

1 stop23h 25m

£545

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 27/1

21:40-17:05

1 stop23h 25m

San Juan Luis Munoz Marin Intl

Sun 8/2

18:30-14:35

1 stop16h 05m

£572

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

£848

LondonSan Juan

LCY - SJU

LCYSJU

London City

Mon 26/1

19:15-19:55

1 stop28h 40m

San Juan Luis Munoz Marin Intl

Thu 5/2

21:25-08:50

1 stop31h 25m

£856

LondonAguadilla

LHR - BQN

LHRBQN

London Heathrow

Thu 5/3

07:30-23:57

2 stops20h 27m

Aguadilla Borinquen

Sun 8/3

00:09-06:40

2 stops26h 31m

£915

LondonMayagüez

LHR - MAZ

LHRMAZ

London Heathrow

Thu 5/3

12:05-16:11

2 stops32h 06m

Mayagüez Eugenio M De Hostos

Mon 9/3

13:19-06:40

2 stops37h 21m

£1,296

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Puerto Rico from

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

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 Puerto Rico?

In general, September is the cheapest month to fly from London to Puerto Rico. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £530. If you don’t want to visit Puerto Rico in September, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of £563.

What is the cheapest day to depart on your flight to Puerto Rico?

According to our data, Monday is the cheapest day to fly to Puerto Rico from London. The lowest ticket price found for a Monday departure recently was £481. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around £642.

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

Flying to Puerto Rico from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as £568 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £726 on average. Flights to Puerto Rico from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Puerto Rico from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around £648 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from London for as low as £523 on momondo.

Cheap London to Puerto Rico flight deals and tips

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

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from London to Puerto Rico takes 12h 50m
There are no direct flights from London to Puerto Rico. There are no popular flight routes from London to Puerto Rico.
Search flight deals

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

    Prices for flights from London to Puerto Rico are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Puerto Rico.

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

    The necessary travel and health documents for your Puerto Rico 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.

Best airlines flying from London to Puerto Rico

Compare and see reviews for airlines that fly from London to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £333Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £450Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
JetBluePriceFrom £457Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
IcelandairPriceFrom £486Free CancellationRating
7.0
591 reviews
Search Icelandair flights
IberiaPriceFrom £501Free CancellationRating
7.0
3,051 reviews
Search Iberia flights
British AirwaysPriceFrom £539Free CancellationRating
6.7
7,583 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Puerto Rico for you.

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

Yes. momondo allows you to filter the results for London to Puerto Rico flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Puerto Rico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 16/1
Fri 23/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular Cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom £368
Flights to Aguadillafrom £744