What are the cheapest airlines to fly from Puerto Rico to London Heathrow Airport one-way?

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £215. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Puerto Rico to London Heathrow Airport for a low price.

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

The most popular flight routes from Puerto Rico to London Heathrow Airport are San Juan Luis Munoz Marin Intl - London Heathrow, Culebra - London Heathrow and Ponce Mercedita - London Heathrow.

How far in advance should I book a flight from Puerto Rico to London Heathrow Airport?

Travelers have found it’s best to book a flight 41 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 41 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Puerto Rico to London Heathrow Airport 1-2 weeks in advance for as low as £581, or £581 for flights within the next 24 hours.

What is the cheapest month to fly from Puerto Rico to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, September can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Puerto Rico in September are about £643 on average during September, but can be found for as low as £463.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Puerto Rico to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£916+ Flights from Puerto Rico to London Heathrow Airport

Cheap flight deals from Puerto Rico to Heathrow

Round-trip from	£501
One-way from	£215
Popular in	June
Cheapest in	September
Average price	£545

JetBlue
27/3-10/4
2 total stops
35h 57m total
Puerto Rico to London

Search Deals

JetBlue
4/3
1 total stop
18h 00m total
Puerto Rico to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£97 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Puerto Rico to Heathrow

Cheapest flights from Puerto Rico to Heathrow
Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 27/321:45SJU - LHR

1 stop19h 00mJetBlue

Thu 10/408:25LHR - SJU

1 stop16h 57mJetBlue

Deal found 20/2£501

Wed 23/407:00SJU - LHR

1 stop19h 40mUnited Airlines

Fri 2/506:30LHR - SJU

2 stops22h 24mUnited Airlines

Deal found 20/2£504

Wed 30/413:25SJU - LHR

1 stop12h 20mDelta

Tue 6/508:40LHR - SJU

2 stops20h 08mDelta

Deal found 21/2£507

Wed 10/908:30SJU - LHR

1 stop17h 25mAmerican Airlines

Thu 18/911:30LHR - SJU

1 stop12h 00mAmerican Airlines

Deal found 21/2£517

Sun 6/413:10SJU - LHR

1 stop14h 40mKLM

Sun 13/410:55LHR - SJU

1 stop17h 34mKLM

Deal found 19/2£547

Tue 18/307:45SJU - LHR

2 stops19h 05mAir France

Tue 25/309:10LHR - SJU

2 stops17h 57mAir France

Deal found 20/2£558

Tue 28/1001:05SJU - LHR

2 stops26h 05mAir Canada

Fri 7/1118:00LHR - SJU

1 stop24h 45mAir Canada

Deal found 20/2£562

Wed 20/820:20SJU - LHR

1 stop20h 35mBritish Airways

Tue 2/910:50LHR - SJU

1 stop12h 40mBritish Airways

Deal found 19/2£612

Mon 7/417:39SJU - LHR

3 stops35h 21mMultiple Airlines

Mon 14/414:05LHR - SJU

3 stops28h 40mMultiple Airlines

Deal found 21/2£625

Sun 2/303:26SJU - LHR

2 stops29h 14mTAP AIR PORTUGAL

Fri 7/312:25LHR - SJU

2 stops25h 22mTAP AIR PORTUGAL

Deal found 21/2£730

Sat 3/503:29SJU - LHR

2 stops24h 36mAer Lingus

Tue 20/509:50LHR - SJU

2 stops20h 56mAer Lingus

Deal found 19/2£738

Thu 7/814:05SJU - LHR

1 stop14h 20mIberia

Mon 18/820:00LHR - SJU

1 stop27h 30mIberia

Deal found 20/2£743

Best flights from Puerto Rico to Heathrow
Discover carefully curated flight deals from Puerto Rico to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Thu 27/321:45SJU - LHR

1 stop19h 00mJetBlue

Thu 10/408:25LHR - SJU

1 stop16h 57mJetBlue

Deal found 20/2£501

Tue 18/313:10SJU - LHR

1 stop13h 45mUnited Airlines

Tue 25/307:30LHR - SJU

2 stops20h 06mUnited Airlines

Deal found 20/2£501

Sun 16/313:16SJU - LHR

1 stop14h 39mKLM

Tue 25/312:30LHR - SJU

1 stop14h 37mKLM

Deal found 20/2£505

Wed 30/407:15SJU - LHR

1 stop19h 00mDelta

Tue 6/506:30LHR - SJU

2 stops22h 18mDelta

Deal found 20/2£507

Tue 18/307:45SJU - LHR

2 stops19h 05mAir France

Tue 25/309:10LHR - SJU

2 stops17h 57mAir France

Deal found 20/2£558

Wed 20/820:20SJU - LHR

1 stop20h 35mBritish Airways

Tue 2/910:50LHR - SJU

1 stop12h 40mBritish Airways

Deal found 19/2£612

Sat 17/517:48SJU - LHR

1 stop21h 12mVirgin Atlantic

Wed 18/611:20LHR - SJU

1 stop15h 54mVirgin Atlantic

Deal found 20/2£647

Mon 10/306:00SJU - LHR

3 stops28h 25mMultiple Airlines

Sat 15/306:40LHR - SJU

2 stops33h 09mMultiple Airlines

Deal found 20/2£663

Tue 29/401:05SJU - LHR

2 stops24h 25mAir Canada

Tue 6/509:30LHR - SJU

2 stops19h 27mAir Canada

Deal found 20/2£735

Sat 3/503:29SJU - LHR

2 stops24h 36mAer Lingus

Tue 20/509:50LHR - SJU

2 stops20h 56mAer Lingus

Deal found 19/2£738

Thu 7/814:05SJU - LHR

1 stop14h 20mIberia

Mon 18/820:00LHR - SJU

1 stop27h 30mIberia

Deal found 20/2£743

Mon 7/413:25SJU - LHR

2 stops20h 15mLufthansa

Tue 27/508:30LHR - SJU

2 stops20h 27mLufthansa

Deal found 20/2£774

Last-minute flights from Puerto Rico to Heathrow
Discover last-minute flight deals from Puerto Rico to Heathrow. Data last updated 21 February 2025 and is based on user searches.

Wed 26/202:05SJU - LHR

1 stop14h 30mUnited Airlines

Sun 9/312:05LHR - SJU

1 stop15h 31mUnited Airlines

Deal found 20/2£623

Wed 26/202:05SJU - LHR

2 stops24h 25mAir Canada

Sun 9/318:00LHR - SJU

2 stops33h 36mAir Canada

Deal found 20/2£633

Thu 27/222:45SJU - LHR

1 stop18h 00mJetBlue

Sun 9/307:25LHR - SJU

1 stop16h 10mJetBlue

Deal found 20/2£560

Sun 2/303:26SJU - LHR

2 stops29h 14mTAP AIR PORTUGAL

Fri 7/312:25LHR - SJU

2 stops25h 22mTAP AIR PORTUGAL

Deal found 21/2£730

Mon 3/310:38SJU - LHR

3 stops28h 52mMultiple Airlines

Fri 7/320:40LHR - SJU

2 stops34h 43mMultiple Airlines

Deal found 21/2£656

Mon 10/318:05SJU - LHR

1 stop16h 30mAvianca

Sat 15/321:40LHR - SJU

1 stop23h 00mAvianca

Deal found 20/2£980

Sun 16/313:16SJU - LHR

1 stop14h 39mKLM

Tue 25/312:30LHR - SJU

1 stop14h 37mKLM

Deal found 20/2£505

Sun 16/307:45SJU - LHR

1 stop20h 10mDelta

Tue 25/310:10LHR - SJU

2 stops16h 57mDelta

Deal found 20/2£520

Sun 16/313:10SJU - LHR

2 stops17h 15mLufthansa

Tue 25/309:30LHR - SJU

2 stops18h 06mLufthansa

Deal found 20/2£900

Tue 18/313:10SJU - LHR

2 stops17h 40mUnited Airlines

Tue 25/309:00LHR - SJU

2 stops18h 36mUnited Airlines

Deal found 20/2£517

Tue 18/307:45SJU - LHR

2 stops19h 05mAir France

Tue 25/309:10LHR - SJU

2 stops17h 57mAir France

Deal found 20/2£558

Thu 27/321:45SJU - LHR

1 stop19h 00mJetBlue

Thu 10/408:25LHR - SJU

1 stop16h 57mJetBlue

Deal found 20/2£501

One-way flights from Puerto Rico to Heathrow
Search for one-way flight options from Puerto Rico to Heathrow. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Tue 4/322:45SJU - LHR

1 stop18h 00mJetBlue

Deal found 20/2£215

Tue 18/312:49SJU - LHR

2 stops21h 36mMultiple Airlines

Deal found 20/2£318

Mon 17/301:05SJU - LHR

2 stops26h 50mUnited Airlines

Deal found 20/2£364

Mon 3/307:30SJU - LHR

2 stops20h 25mDelta

Deal found 20/2£394

Tue 1/718:15SJU - LHR

1 stop16h 20mAvianca

Deal found 20/2£431

Tue 1/711:00SJU - LHR

2 stops30h 00mTAP AIR PORTUGAL

Deal found 20/2£539

Fri 13/601:05SJU - LHR

2 stops24h 25mAir Canada

Deal found 20/2£691

Sun 15/611:00SJU - LHR

2 stops28h 20mIcelandair

Deal found 20/2£1,915

Fri 14/315:30SJU - LHR

1 stop14h 10mBritish Airways

Deal found 20/2£10,714

Find flights from Puerto Rico to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 27/3

21:45-20:45

1 stop19h 00m

London Heathrow

Thu 10/4

08:25-20:22

1 stop16h 57m

£501

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 18/3

13:10-06:55

1 stop13h 45m

London Heathrow

Tue 25/3

07:30-23:36

2 stops20h 06m

£501

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 16/3

13:16-07:55

1 stop14h 39m

London Heathrow

Tue 25/3

12:30-23:07

1 stop14h 37m

£505

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 30/4

07:15-07:15

1 stop19h 00m

London Heathrow

Tue 6/5

06:30-23:48

2 stops22h 18m

£507

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 18/3

07:45-06:50

2 stops19h 05m

London Heathrow

Tue 25/3

09:10-23:07

2 stops17h 57m

£558

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 20/8

20:20-21:55

1 stop20h 35m

London Heathrow

Tue 2/9

10:50-18:30

1 stop12h 40m

£612

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 17/5

17:48-20:00

1 stop21h 12m

London Heathrow

Wed 18/6

11:20-22:14

1 stop15h 54m

£647

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 10/3

06:00-14:25

3 stops28h 25m

London Heathrow

Sat 15/3

06:40-11:49

2 stops33h 09m

£663

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Tue 29/4

01:05-06:30

2 stops24h 25m

London Heathrow

Tue 6/5

09:30-23:57

2 stops19h 27m

£735

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 3/5

03:29-09:05

2 stops24h 36m

London Heathrow

Tue 20/5

09:50-01:46

2 stops20h 56m

£738

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 25 results

Best time to book a flight from Puerto Rico to Heathrow

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

Travel insights for flights from Puerto Rico to Heathrow

Get recent, data-driven insights about flights from Puerto Rico to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £112). Flying from Puerto Rico to London Heathrow Airport in August is currently the most expensive (average of £163). 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.

What is the cheapest time of day to fly from PR to LHR?

When flying from Puerto Rico to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic from Puerto Rico to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

8,212 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.5

Good

654 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,449 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,759 reviews

Delta

8.0

Very Good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Puerto Rico to London Heathrow Airport one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £215. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Puerto Rico to London Heathrow Airport for a low price.
What are the most popular routes from Puerto Rico to London Heathrow Airport?
The most popular flight routes from Puerto Rico to London Heathrow Airport are San Juan Luis Munoz Marin Intl - London Heathrow, Culebra - London Heathrow and Ponce Mercedita - London Heathrow.
Can I find deals for flights from Puerto Rico to Heathrow that include hotel bookings?
Yes. In addition to deals on Puerto Rico to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Heathrow.
Can I find deals for business class flights from Puerto Rico to Heathrow?
Yes. Cheapflights offers flight deals from Puerto Rico to Heathrow 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 Puerto Rico to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London Heathrow Airport (average of £112). Flying from Puerto Rico to London Heathrow Airport in August is currently the most expensive (average of £163). 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

Deal

Hounslow

Milton Keynes

Croydon

Gatwick

Slough

Luton

Ilford

Hayes

Eastbourne

Swindon

Northampton

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Puerto Rico to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£547	Average£838	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Puerto Rico to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Puerto Rico to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Puerto Rico to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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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.

Cheap flights from Puerto Rico to London Heathrow Airport from £215

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Puerto Rico to Heathrow

Keep the following information in mind while searching for Puerto Rico to Heathrow flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Puerto Rico to Heathrow

Cheapest flights from Puerto Rico to HeathrowExplore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Puerto Rico to Heathrow within your budget

Best time to book a flight from Puerto Rico to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Puerto Rico with our price prediction graph.

Travel insights for flights from Puerto Rico to Heathrow

Get recent, data-driven insights about flights from Puerto Rico to Heathrow including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from PR to LHR?

Find hourly flight availability from Puerto Rico to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic from Puerto Rico to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Puerto Rico to London Heathrow Airport one-way?

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

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

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

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

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

Travelling to a place near Puerto Rico?

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 Puerto Rico to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Puerto Rico to Heathrow

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 Puerto Rico to Heathrow?

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

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

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

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Cheapest flights from Puerto Rico to Heathrow
Explore the most affordable flight options available from Puerto Rico to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.