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

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £213. 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 for a low price.

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

When deciding which route to take from Puerto Rico to London consider San Juan Luis Munoz Marin Intl - London Heathrow, San Juan Luis Munoz Marin Intl - London Gatwick or San Juan Luis Munoz Marin Intl - London City as they are the most popular.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 41 days in advance, which can save you up to 31% on flights from Puerto Rico to London compared to booking the week you need them. Waiting 41 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £565. For sooner than that we have options available in the next 3 days from £565.

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

The best pricing can be found in the month of September. Prices to London from Puerto Rico average £615. You can even find prices in September for less than £615, as users have found deals to London from as low as £451. The month of June appears to be one of the more expensive times to travel to London from Puerto Rico. Flying in the targeted month can save you up to 25%.

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

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

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

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

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

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

£612+ Flights from Puerto Rico to London

Cheap flight deals from Puerto Rico to London

Round-trip from	£502
One-way from	£206
Popular in	June
Cheapest in	September
Average price	£530

KLM
14/5-25/5
2 total stops
33h 05m total
Puerto Rico to London

Search Deals

5/4
1 total stop
26h 05m total
Puerto Rico to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£88 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Puerto Rico to London

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

Tue 28/1001:05SJU - LHR

2 stops26h 05mAir Canada

Fri 7/1114:30LHR - SJU

2 stops28h 15mAir Canada

Deal found 20/3£502

Sun 24/812:43SJU - LGW

1 stop16h 17mAir France

Sun 7/912:00LGW - SJU

1 stop16h 46mAir France

Deal found 21/3£502

Tue 15/413:25SJU - LHR

1 stop12h 20mDelta

Tue 22/406:15LHR - SJU

2 stops22h 33mDelta

Deal found 21/3£502

Sun 13/417:16SJU - LHR

1 stop15h 14mKLM

Fri 25/413:05LHR - SJU

1 stop15h 10mKLM

Deal found 21/3£503

Thu 27/304:00SJU - LHR

1 stop12h 45mJetBlue

Thu 10/408:25LHR - SJU

1 stop20h 41mJetBlue

Deal found 20/3£506

Tue 13/503:56SJU - LGW

1 stop25h 04mMultiple Airlines

Mon 19/510:00LGW - SJU

1 stop13h 50mMultiple Airlines

Deal found 20/3£506

Tue 22/413:25SJU - LHR

2 stops16h 15mUnited Airlines

Wed 30/409:30LHR - SJU

2 stops19h 24mUnited Airlines

Deal found 19/3£508

Sun 24/813:54SJU - LHR

1 stop13h 11mBritish Airways

Sun 7/906:10LHR - SJU

1 stop17h 20mBritish Airways

Deal found 21/3£516

Sat 6/912:55SJU - LGW

1 stop15h 40mJetBlue

Sat 13/912:10LGW - SJU

1 stop18h 05mJetBlue

Deal found 21/3£523

Fri 21/1114:26SJU - LHR

1 stop15h 49mAir France

Sun 30/1116:35LHR - SJU

1 stop35h 15mAir France

Deal found 21/3£537

Sat 6/911:55SJU - LHR

1 stop14h 15mAmerican Airlines

Sat 13/908:20LHR - SJU

2 stops15h 10mAmerican Airlines

Deal found 21/3£542

Thu 1/513:25SJU - LCY

2 stops22h 00mMultiple Airlines

Fri 16/508:55LCY - SJU

2 stops19h 59mMultiple Airlines

Deal found 20/3£563

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

Wed 14/513:12SJU - LHR

1 stop14h 38mKLM

Sun 25/509:20LHR - SJU

1 stop18h 27mKLM

Deal found 19/3£502

Sun 24/812:43SJU - LGW

1 stop16h 17mAir France

Sun 7/912:00LGW - SJU

1 stop16h 46mAir France

Deal found 21/3£502

Sat 5/401:05SJU - LHR

1 stop14h 35mUnited Airlines

Tue 22/415:20LHR - SJU

1 stop13h 37mUnited Airlines

Deal found 20/3£505

Fri 25/400:58SJU - LHR

1 stop14h 47mJetBlue

Mon 5/508:15LHR - SJU

1 stop15h 51mJetBlue

Deal found 19/3£506

Tue 13/503:56SJU - LGW

1 stop25h 04mMultiple Airlines

Mon 19/510:00LGW - SJU

1 stop13h 50mMultiple Airlines

Deal found 20/3£506

Sat 17/507:30SJU - LHR

2 stops20h 20mDelta

Tue 3/612:55LHR - SJU

1 stop15h 47mDelta

Deal found 20/3£509

Sun 24/813:54SJU - LHR

1 stop13h 11mBritish Airways

Mon 8/907:50LHR - SJU

1 stop15h 40mBritish Airways

Deal found 20/3£518

Thu 10/401:05SJU - LHR

2 stops38h 55mAir Canada

Sat 19/408:30LHR - SJU

1 stop34h 20mAir Canada

Deal found 20/3£558

Fri 29/814:05SJU - LHR

1 stop14h 20mIberia

Wed 10/910:50LHR - SJU

1 stop12h 40mIberia

Deal found 20/3£655

Sat 5/400:58SJU - LHR

2 stops26h 02mAer Lingus

Tue 22/409:50LHR - SJU

2 stops21h 05mAer Lingus

Deal found 20/3£660

Tue 1/415:45SJU - LHR

2 stops25h 15mTAP AIR PORTUGAL

Thu 3/406:00LHR - SJU

2 stops23h 56mTAP AIR PORTUGAL

Deal found 20/3£716

Sat 12/708:30SJU - LHR

1 stop17h 10mAmerican Airlines

Sat 2/809:15LHR - SJU

1 stop18h 40mAmerican Airlines

Deal found 20/3£775

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

Wed 26/301:05SJU - LHR

2 stops25h 25mAir Canada

Wed 2/417:40LHR - SJU

2 stops35h 17mAir Canada

Deal found 20/3£730

Thu 27/304:00SJU - LHR

1 stop12h 45mJetBlue

Thu 10/408:25LHR - SJU

1 stop20h 41mJetBlue

Deal found 20/3£506

Thu 27/315:52SJU - LHR

1 stop15h 23mUnited Airlines

Wed 2/408:30LHR - SJU

2 stops20h 24mUnited Airlines

Deal found 20/3£602

Thu 27/311:30SJU - LHR

2 stops21h 10mAir France

Thu 10/409:40LHR - SJU

2 stops18h 34mAir France

Deal found 20/3£656

Thu 27/318:05SJU - LCY

2 stops19h 35mMultiple Airlines

Wed 2/408:45LCY - SJU

2 stops20h 12mMultiple Airlines

Deal found 20/3£1,095

Thu 27/313:10SJU - LCY

2 stops16h 15mLufthansa

Thu 10/408:45LCY - SJU

2 stops20h 12mLufthansa

Deal found 20/3£1,875

Thu 27/321:20SJU - LGW

1 stop17h 30mIberia

Thu 10/411:35LGW - SJU

1 stop12h 15mIberia

Deal found 20/3£2,674

Fri 28/321:37SJU - LGW

1 stop32h 13mMultiple Airlines

Sun 30/320:55LGW - SJU

2 stops41h 57mMultiple Airlines

Deal found 21/3£617

Fri 28/306:20SJU - LGW

2 stops35h 10mTurkish Airlines

Sun 30/306:45LGW - SJU

2 stops24h 50mTurkish Airlines

Deal found 21/3£802

Mon 31/303:05SJU - LHR

3 stops33h 40mMultiple Airlines

Thu 3/413:45LHR - SJU

3 stops32h 35mMultiple Airlines

Deal found 20/3£754

Tue 1/415:45SJU - LHR

2 stops25h 15mTAP AIR PORTUGAL

Thu 3/406:00LHR - SJU

2 stops23h 56mTAP AIR PORTUGAL

Deal found 20/3£716

Sat 5/400:58SJU - LHR

2 stops26h 02mAer Lingus

Tue 22/409:50LHR - SJU

2 stops21h 05mAer Lingus

Deal found 20/3£660

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

Sat 5/403:05SJU - LGW

1 stop26h 05mMultiple Airlines

Deal found 20/3£206

Sat 5/400:58SJU - LHR

1 stop14h 47mJetBlue

Deal found 20/3£213

Mon 14/421:30SJU - LHR

1 stop28h 45mMultiple Airlines

Deal found 20/3£264

Mon 14/421:30SJU - LCY

3 stops42h 20mMultiple Airlines

Deal found 20/3£303

Wed 16/712:35SJU - LGW

1 stop16h 00mJetBlue

Deal found 20/3£324

Sat 5/401:05SJU - LHR

2 stops26h 15mUnited Airlines

Deal found 20/3£330

Fri 4/707:00SJU - LGW

1 stop22h 00mDelta

Deal found 20/3£344

Sun 13/401:05SJU - LHR

2 stops38h 55mAir Canada

Deal found 20/3£351

Sun 13/401:05SJU - LHR

1 stop24h 40mLufthansa

Deal found 20/3£364

Tue 15/712:43SJU - LGW

1 stop16h 17mKLM

Deal found 20/3£371

Mon 14/421:30SJU - SEN

3 stops44h 35mMultiple Airlines

Deal found 20/3£371

Mon 19/507:30SJU - LHR

2 stops20h 20mDelta

Deal found 20/3£375

Cheapflights Fare Finder

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

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 14/5

13:12-08:50

1 stop14h 38m

London Heathrow

Sun 25/5

09:20-22:47

1 stop18h 27m

£502

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sun 24/8

12:43-10:00

1 stop16h 17m

London Gatwick

Sun 7/9

12:00-23:46

1 stop16h 46m

£502

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 5/4

01:05-20:40

1 stop14h 35m

London Heathrow

Tue 22/4

15:20-23:57

1 stop13h 37m

£505

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 25/4

00:58-20:45

1 stop14h 47m

London Heathrow

Mon 5/5

08:15-19:06

1 stop15h 51m

£506

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Tue 13/5

03:56-10:00

1 stop25h 04m

London Gatwick

Mon 19/5

10:00-18:50

1 stop13h 50m

£506

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sat 17/5

07:30-08:50

2 stops20h 20m

London Heathrow

Tue 3/6

12:55-23:42

1 stop15h 47m

£509

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Sun 24/8

13:54-08:05

1 stop13h 11m

London Heathrow

Mon 8/9

07:50-18:30

1 stop15h 40m

£518

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Sat 6/9

12:55-09:35

1 stop15h 40m

London Gatwick

Sat 13/9

12:10-01:15

1 stop18h 05m

£523

San JuanLondon

SJU - LCY

SJULCY

San Juan Luis Munoz Marin Intl

Tue 6/5

07:25-12:30

2 stops24h 05m

London City

Tue 13/5

08:45-23:54

2 stops20h 09m

£545

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Thu 10/4

01:05-21:00

2 stops38h 55m

London Heathrow

Sat 19/4

08:30-13:50

1 stop34h 20m

£558

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 47 results

...

Best time to book a flight from Puerto Rico to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to London

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

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London (average of £112). Flying from Puerto Rico to London in August is currently the most expensive (average of £164). 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 LON?

When flying from Puerto Rico to London, 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 London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Read through reviews of airlines operating flights from Puerto Rico to London, such as Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,895 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

7,895 reviews

Delta

8.0

Very Good

7,895 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

1,319 reviews

Delta

8.0

Very Good

7,895 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

1,422 reviews

Delta

8.0

Very Good

7,895 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

8,605 reviews

Delta

8.0

Very Good

7,895 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

7.4

Good

634 reviews

Delta

8.0

Very Good

7,895 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 one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £213. 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 for a low price.
What are the most popular routes from Puerto Rico to London?
When deciding which route to take from Puerto Rico to London consider San Juan Luis Munoz Marin Intl - London Heathrow, San Juan Luis Munoz Marin Intl - London Gatwick or San Juan Luis Munoz Marin Intl - London City as they are the most popular.
Can I find deals for flights from Puerto Rico to London that include hotel bookings?
Yes. In addition to deals on Puerto Rico to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Puerto Rico to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to London.
Can I find deals for business class flights from Puerto Rico to London?
Yes. Cheapflights offers flight deals from Puerto Rico to London 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?
Currently, January is the cheapest month in which you can book a flight from Puerto Rico to London (average of £112). Flying from Puerto Rico to London in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Slough

Luton

Eastbourne

Ilford

Hayes

Crawley

Southend-on-Sea

Wembley

Maidstone

Winchester

Ipswich

Watford

Southall

Dartford

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Puerto Rico to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£532	Average£815	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Deals for Puerto Rico to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Puerto Rico.

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

Certainly. Search results for flights to London from Puerto Rico shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Puerto Rico to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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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 from £206

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Puerto Rico to London

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Puerto Rico to London

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Puerto Rico to London that are best for you.

Best time to book a flight from Puerto Rico to London

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

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to London

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

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

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

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 March 2025.

Read through reviews of airlines operating flights from Puerto Rico to London, such as Delta, KLM and Air France. In addition to providing an overall rating, users have also rated airlines 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 London. 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 one-way?

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

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

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

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

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

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 London

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

Top airline flying from Puerto Rico to London

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 London?

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

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

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

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Travel Smart

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