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 £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 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 £581. For sooner than that we have options available in the next 3 days from £581.

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 £643. You can even find prices in September for less than £643, as users have found deals to London from as low as £463. 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 22%.

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.

£848+ Flights from Puerto Rico to London

Cheap flight deals from Puerto Rico to London

Round-trip from	£504
One-way from	£215
Popular in	June
Cheapest in	September
Average price	£545

United Airlines
23/4-2/5
3 total stops
42h 04m 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 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 February 2025.

Wed 23/407:45SJU - LHR

2 stops19h 50mUnited Airlines

Fri 2/506:30LHR - SJU

2 stops22h 24mUnited Airlines

Deal found 20/2£504

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

Wed 10/912:55SJU - LGW

1 stop15h 40mJetBlue

Thu 18/912:10LGW - SJU

1 stop18h 05mJetBlue

Deal found 20/2£508

Mon 10/321:45SJU - LHR

1 stop19h 00mJetBlue

Mon 17/307:25LHR - SJU

1 stop16h 10mJetBlue

Deal found 20/2£513

Mon 13/1013:55SJU - LHR

1 stop14h 30mAmerican Airlines

Mon 20/1009:55LHR - SJU

1 stop15h 15mAmerican Airlines

Deal found 20/2£555

Mon 7/421:51SJU - LGW

1 stop31h 09mMultiple Airlines

Tue 27/514:00LGW - SJU

1 stop24h 56mMultiple Airlines

Deal found 20/2£573

Mon 10/317:16SJU - LHR

2 stops37h 54mAir France

Mon 17/319:35LHR - SJU

2 stops31h 32mAir France

Deal found 20/2£586

Wed 20/820:20SJU - LHR

1 stop20h 35mBritish Airways

Tue 2/910:50LHR - SJU

1 stop12h 40mBritish Airways

Deal found 19/2£612

Fri 11/407:00SJU - LHR

1 stop23h 35mMultiple Airlines

Sat 19/408:30LHR - SJU

1 stop34h 20mMultiple Airlines

Deal found 20/2£622

Wed 26/202:05SJU - LHR

2 stops24h 25mAir Canada

Sun 9/318:00LHR - SJU

2 stops33h 36mAir Canada

Deal found 20/2£633

Sat 17/517:48SJU - LHR

1 stop21h 12mVirgin Atlantic

Wed 18/611:20LHR - SJU

1 stop15h 54mVirgin Atlantic

Deal found 20/2£647

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 February 2025.

Wed 23/407:00SJU - LHR

1 stop19h 40mUnited Airlines

Fri 2/506:30LHR - SJU

2 stops22h 24mUnited Airlines

Deal found 20/2£504

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

Mon 10/321:45SJU - LHR

1 stop19h 00mJetBlue

Mon 17/307:25LHR - SJU

1 stop16h 10mJetBlue

Deal found 20/2£513

Mon 7/421:51SJU - LGW

1 stop31h 09mMultiple Airlines

Tue 27/514:00LGW - SJU

1 stop24h 56mMultiple Airlines

Deal found 20/2£573

Mon 10/317:16SJU - LHR

2 stops37h 54mAir France

Mon 17/319:35LHR - SJU

2 stops31h 32mAir France

Deal found 20/2£586

Wed 26/202:05SJU - LHR

2 stops24h 25mAir Canada

Sun 9/318:00LHR - SJU

2 stops33h 36mAir Canada

Deal found 20/2£633

Sat 17/517:48SJU - LHR

1 stop21h 12mVirgin Atlantic

Wed 18/611:20LHR - SJU

1 stop15h 54mVirgin Atlantic

Deal found 20/2£647

Sat 3/503:29SJU - LHR

2 stops24h 36mAer Lingus

Tue 20/509:50LHR - SJU

2 stops20h 56mAer Lingus

Deal found 19/2£738

Wed 30/420:25SJU - LGW

1 stop18h 35mIberia

Tue 6/511:45LGW - SJU

1 stop12h 05mIberia

Deal found 20/2£747

Mon 7/413:25SJU - LHR

2 stops20h 15mLufthansa

Tue 27/508:30LHR - SJU

2 stops20h 27mLufthansa

Deal found 20/2£774

Mon 7/405:01SJU - LGW

2 stops23h 44mTAP AIR PORTUGAL

Tue 27/510:35LGW - SJU

2 stops27h 39mTAP AIR PORTUGAL

Deal found 20/2£799

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

Fri 21/217:56SJU - LGW

2 stops35h 54mMultiple Airlines

Sun 2/307:00LGW - SJU

2 stops20h 42mMultiple Airlines

Deal found 19/2£690

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

Thu 27/206:01SJU - LGW

2 stops23h 19mMultiple Airlines

Sun 9/305:50LGW - SJU

2 stops23h 58mMultiple Airlines

Deal found 20/2£978

Thu 27/221:20SJU - LGW

1 stop17h 30mIberia

Sun 9/311:00LGW - SJU

1 stop12h 45mIberia

Deal found 20/2£1,373

Mon 10/321:45SJU - LHR

1 stop19h 00mJetBlue

Mon 17/307:25LHR - SJU

1 stop16h 10mJetBlue

Deal found 20/2£513

Mon 10/316:50SJU - LHR

1 stop14h 00mUnited Airlines

Mon 17/309:30LHR - SJU

2 stops18h 06mUnited Airlines

Deal found 20/2£541

Mon 10/317:16SJU - LHR

2 stops37h 54mAir France

Mon 17/319:35LHR - SJU

2 stops31h 32mAir France

Deal found 20/2£586

Mon 10/306:00SJU - LHR

3 stops28h 25mMultiple Airlines

Sat 15/306:40LHR - SJU

2 stops33h 09mMultiple Airlines

Deal found 20/2£663

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

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 February 2025.

Tue 4/322:45SJU - LHR

1 stop18h 00mJetBlue

Deal found 20/2£215

Sun 23/318:15SJU - LGW

1 stop34h 00mMultiple Airlines

Deal found 19/2£289

Sat 22/301:05SJU - LHR

2 stops25h 35mUnited Airlines

Deal found 19/2£384

Sun 23/321:30SJU - LHR

3 stops36h 55mMultiple Airlines

Deal found 19/2£404

Mon 3/314:10SJU - LCY

2 stops18h 40mUnited Airlines

Deal found 20/2£424

Wed 13/812:43SJU - LCY

2 stops15h 47mDelta

Deal found 19/2£434

Sun 23/321:30SJU - LCY

2 stops39h 35mMultiple Airlines

Deal found 19/2£436

Mon 3/316:22SJU - LGW

2 stops24h 08mTAP AIR PORTUGAL

Deal found 20/2£439

Tue 4/314:10SJU - LCY

2 stops23h 30mLufthansa

Deal found 20/2£506

Sun 23/313:35SJU - SEN

2 stops17h 45mMultiple Airlines

Deal found 19/2£597

Mon 3/321:20SJU - LGW

1 stop17h 30mIberia

Deal found 20/2£636

Sat 29/318:05SJU - LHR

1 stop16h 30mAvianca

Deal found 20/2£2,187

Find flights from Puerto Rico to London within your budget

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 23/4

07:00-07:40

1 stop19h 40m

London Heathrow

Fri 2/5

06:30-23:54

2 stops22h 24m

£504

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

Mon 10/3

21:45-20:45

1 stop19h 00m

London Heathrow

Mon 17/3

07:25-19:35

1 stop16h 10m

£513

San JuanLondon

SJU - LGW

SJULGW

San Juan Luis Munoz Marin Intl

Mon 7/4

21:51-10:00

1 stop31h 09m

London Gatwick

Tue 27/5

14:00-09:56

1 stop24h 56m

£573

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Mon 10/3

17:16-11:10

2 stops37h 54m

London Heathrow

Mon 17/3

19:35-23:07

2 stops31h 32m

£586

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Fri 11/4

07:00-11:35

1 stop23h 35m

London Heathrow

Sat 19/4

08:30-13:50

1 stop34h 20m

£622

San JuanLondon

SJU - LHR

SJULHR

San Juan Luis Munoz Marin Intl

Wed 26/2

02:05-06:30

2 stops24h 25m

London Heathrow

Sun 9/3

18:00-23:36

2 stops33h 36m

£633

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

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 32 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.

Travel insights for flights from Puerto Rico to London

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

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 £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 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 Virgin Atlantic. 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

8,217 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

8,217 reviews

Delta

8.0

Very Good

8,217 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

8,217 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

8,217 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

8,217 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

8,760 reviews

Delta

8.0

Very Good

8,217 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 £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 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 £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

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

Dartford

Stansted

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

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

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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 £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 London

Keep the following information in mind while searching for Puerto Rico to London 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 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 February 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 February 2025.

Find flights from Puerto Rico to London within your budget

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.

Travel insights for flights from Puerto Rico to London

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

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 February 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

Read through reviews of airlines operating flights from Puerto Rico to London, such as Delta, KLM and Virgin Atlantic. 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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Book with Flexibility

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 February 2025.