Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Puerto Rico from £349

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SJU
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Puerto Rico
Explore the most affordable flight options available from Heathrow to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2026.

Tue 24/207:25
LHR
-
SJU
1 stop19h 06m
JetBlue
Fri 27/223:59
SJU
-
LHR
1 stop18h 01m
JetBlue
Deal found 10/2£398
Tue 24/212:20
LHR
-
SJU
1 stop16h 09m
JetBlue
Wed 11/313:25
SJU
-
LHR
1 stop13h 30m
JetBlue
Deal found 9/2£410
Thu 19/207:25
LHR
-
SJU
1 stop19h 07m
JetBlue
Wed 4/312:15
SJU
-
LHR
1 stop14h 40m
JetBlue
Deal found 12/2£411
Mon 23/212:20
LHR
-
SJU
1 stop14h 12m
JetBlue
Thu 26/212:15
SJU
-
LHR
1 stop14h 40m
JetBlue
Deal found 10/2£417
Sun 8/309:20
LHR
-
SJU
1 stop27h 42m
JetBlue
Sun 15/305:01
SJU
-
LHR
1 stop24h 29m
JetBlue
Deal found 9/2£420
Sat 2/508:15
LHR
-
SJU
1 stop15h 15m
JetBlue
Sat 16/521:59
SJU
-
LHR
1 stop17h 46m
JetBlue
Deal found 11/2£435
Mon 16/308:05
LHR
-
SJU
1 stop18h 46m
JetBlue
Mon 23/305:01
SJU
-
LHR
1 stop24h 29m
JetBlue
Deal found 11/2£437
Thu 12/312:20
LHR
-
SJU
1 stop17h 05m
JetBlue
Sat 14/303:26
SJU
-
LHR
1 stop26h 04m
JetBlue
Deal found 10/2£439
Sun 15/307:45
LHR
-
SJU
1 stop21h 40m
JetBlue
Tue 31/305:01
SJU
-
LHR
1 stop20h 29m
JetBlue
Deal found 11/2£445
Fri 6/308:05
LHR
-
SJU
1 stop23h 49m
JetBlue
Sat 14/303:26
SJU
-
LHR
1 stop26h 04m
JetBlue
Deal found 9/2£450
Wed 18/207:25
LHR
-
SJU
1 stop24h 30m
JetBlue
Wed 25/206:10
SJU
-
LHR
1 stop20h 45m
JetBlue
Deal found 11/2£451
Fri 6/312:20
LHR
-
BQN
1 stop16h 20m
JetBlue
Fri 20/304:00
BQN
-
LHR
1 stop12h 45m
JetBlue
Deal found 11/2£590

Find flight deals from Heathrow to Puerto Rico

Keep the following information in mind while searching for Heathrow to Puerto Rico flight deals. Data was last updated 12 February 2026.

Round-trip from

£398

One-way from

£349

Popular in

July

Cheapest in

September

Average price

£535
JetBlue
  • JetBlue
  • 24/2-27/2
  • 2 total stops
  • 37h 07m total
  • London to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 5/5
  • 1 total stop
  • 15h 15m total
  • London to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 12 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Puerto Rico that are best for you.

Fly from

Heathrow

Fly to

Puerto Rico

Route

Depart

Return

Price

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Sun 1/3

07:45-22:31

1 stop18h 46m

San Juan Luis Munoz Marin Intl

Wed 11/3

04:15-21:40

1 stop13h 25m

£411

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 26/2

09:20-23:49

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Mon 2/3

23:59-21:40

1 stop17h 41m

£451

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 17/3

12:20-02:27

1 stop18h 07m

San Juan Luis Munoz Marin Intl

Tue 31/3

11:50-06:30

1 stop13h 40m

£477

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 11/3

12:20-02:54

1 stop18h 34m

San Juan Luis Munoz Marin Intl

Tue 31/3

11:50-06:30

1 stop13h 40m

£478

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 12/3

09:20-01:42

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Tue 31/3

11:50-06:30

1 stop13h 40m

£478

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Tue 17/3

12:20-01:25

1 stop17h 05m

San Juan Luis Munoz Marin Intl

Wed 1/4

11:50-06:30

1 stop13h 40m

£503

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Thu 12/3

09:20-01:42

1 stop20h 22m

San Juan Luis Munoz Marin Intl

Wed 1/4

11:50-06:30

1 stop13h 40m

£503

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 16/3

12:20-22:51

1 stop14h 31m

San Juan Luis Munoz Marin Intl

Wed 1/4

11:50-06:30

1 stop13h 40m

£521

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Wed 18/3

12:20-01:25

1 stop17h 05m

San Juan Luis Munoz Marin Intl

Thu 2/4

11:50-06:30

1 stop13h 40m

£521

LondonSan Juan

LHR - SJU

LHRSJU

London Heathrow

Mon 13/4

08:40-22:01

1 stop18h 21m

San Juan Luis Munoz Marin Intl

Sun 19/4

19:58-20:45

1 stop19h 47m

£532

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Heathrow to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Heathrow 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 Heathrow Airport to Puerto Rico

What is the cheapest month to book a flight from London Heathrow Airport to Puerto Rico?

Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £389). Flying from London Heathrow Airport to Puerto Rico in December is currently the most expensive (average of £533). 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.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated 12 February 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Puerto Rico, such as Finnair, JetBlue, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,896 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Icelandair
7.1
Good
611 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Iberia
7.0
Good
3,113 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,733 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.2

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Puerto Rico?

    JetBlue can get you from London Heathrow Airport to Puerto Rico in just under 18h 46m. Your travel time can differ by up to . The distance between London Heathrow Airport and Puerto Rico is about 4179 mi.

  • What are the most popular routes from London Heathrow Airport to Puerto Rico?

    Most travelers choose London Heathrow - San Juan Luis Munoz Marin Intl, London Heathrow - Aguadilla Borinquen or London Heathrow - Mayagüez Eugenio M De Hostos when deciding on the best route from London Heathrow Airport to Puerto Rico.

  • Can I find deals for flights from Heathrow to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Heathrow to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Puerto Rico.

  • Can I find deals for business class flights from Heathrow to Puerto Rico?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Puerto Rico?

    Currently, July is the cheapest month in which you can book a flight from London Heathrow Airport to Puerto Rico (average of £389). Flying from London Heathrow Airport to Puerto Rico in December is currently the most expensive (average of £533). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Bridgetown flights
Heathrow to Montego Bay flights
Heathrow to Kingston flights
Gatwick to Kingston flights
Heathrow to Punta Cana flights
Gatwick to Bridgetown flights
London City to Bridgetown flights
Gatwick to Punta Cana flights
Stansted to Bridgetown flights
Gatwick to Montego Bay flights
Heathrow to St. George's flights
London City to Montego Bay flights
Stansted to Montego Bay flights
London City to Kingston flights
Heathrow to Nassau flights
Stansted to Punta Cana flights
Heathrow to Castries flights
Gatwick to St. John's flights
London City to Punta Cana flights
Luton to Punta Cana flights
Stansted to Kingston flights
Heathrow to Luis Munoz Marin Intl flights
Heathrow to Port of Spain flights
Heathrow to St. John's flights
Gatwick to St. George's flights
Gatwick to Castries flights
Heathrow to Kingstown flights
Gatwick to Luis Munoz Marin Intl flights
Heathrow to Santo Domingo flights
Luton to Montego Bay flights
Gatwick to Santo Domingo flights
Gatwick to Port of Spain flights
Heathrow to Willemstad flights
Gatwick to Willemstad flights
Stansted to Santo Domingo flights
London City to Santo Domingo flights
Stansted to Luis Munoz Marin Intl flights
Heathrow to Castries flights
London City to Castries flights
Gatwick to Havana flights
Heathrow to Roseau flights
London City to Luis Munoz Marin Intl flights
Heathrow to Providenciales flights
Heathrow to George Town flights
Heathrow to Basseterre flights
Heathrow to Simpson Bay flights
Heathrow to Oranjestad flights
Heathrow to Havana flights

Top 6 airlines flying from Heathrow to Puerto Rico

Discover the top 6 airlines that operate flights from Heathrow to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£338Average£1,019FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£407Average£601FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£424Average£566FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£496Average£639FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£529Average£949FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£544Average£845FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Puerto Rico?

Cheapflights makes it easy to find Heathrow to Puerto Rico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Puerto Rico?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Puerto Rico.

Can Cheapflights find flights from Heathrow to Puerto Rico with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Puerto Rico flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Puerto Rico become cheaper?

Of course! You can now track prices for flights from Heathrow to Puerto Rico and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.