In terms of precipitation, rainfall in Puerto Rico ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit Puerto Rico when rainfall is around 55.0 mm.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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

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

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

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

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

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

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

Yes. Cheapflights offers flight deals from Southend 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.

£390+ Cheap Flights from London Southend Airport to Puerto Rico

Cheap flight deals from Southend to Puerto Rico

Enter your travel dates to find the best prices.

One-way

One-way flights from Southend to Puerto Rico
Search for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Sun 22/1108:10 -

3 stops53h 09m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 10/9£390

Mon 23/1107:20 -

3 stops54h 33m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/9£399

Wed 11/1117:20 -

2 stops27h 20m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 9/9£433

Sun 15/1108:10 -

2 stops36h 30m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 9/9£434

Tue 1/1208:00 -

2 stops16h 00m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 11/9£525

Sat 2/117:00 -

3 stops43h 39m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 13/9£569

Sun 11/1020:05 -

3 stops35h 04m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 9/9£578

Thu 24/1217:20 -

3 stops41h 16m

Wed 31/1200:00 -

Nonstop0h 00m

Deal found 13/9£613

Find flight deals from Southend to Puerto Rico

Popular in	December
Cheapest in	February
Average price	£681

Highest demand for flights based on searches. 3% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Sun 22/11

08:10-09:19

3 stops53h 09m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£390

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Mon 23/11

07:20-09:53

3 stops54h 33m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£399

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Wed 11/11

17:20-16:40

2 stops27h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£433

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Sun 15/11

17:15-23:38

3 stops34h 23m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£449

Fastest return journey

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Tue 1/12

08:00-20:00

2 stops16h 00m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£525

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Sun 11/10

20:05-02:09

3 stops35h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£578

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Thu 24/12

17:20-06:36

3 stops41h 16m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£613

LondonSan Juan

SEN London Southend - SJU San Juan Luis Munoz Marin Intl

SENSJU

London Southend

Fri 1/1

07:35-15:15

3 stops35h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£686

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Sorted by cheapest first

Best time to book a flight from Southend to Puerto Rico

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

SEN-SJU

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 Southend Airport to Puerto Rico

SEN-PR0

SEN-SJU

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Southend to Puerto Rico that include hotel bookings?
Yes. In addition to deals on Southend to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southend to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to Puerto Rico.
Can I find deals for business class flights from Southend to Puerto Rico?
Yes. Cheapflights offers flight deals from Southend 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.

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Alternative routes for Southend to Puerto Rico

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London City to Luis Munoz Marin Intl flights

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London City to Punta Cana flights

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Stansted to Luis Munoz Marin Intl flights

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Gatwick to Santo Domingo flights

Heathrow to Basseterre flights

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When you search for this flight from Southend to Puerto Rico, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Puerto Rico from Southend.

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

Yes, we can. To see specific flights from Southend to Puerto Rico 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 Southend to Puerto Rico become cheaper?

Yes, Cheapflights offers price alerts on Southend to Puerto Rico flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southend to Puerto Rico

One-way flights from Southend to Puerto Rico
Search for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Southend to Puerto Rico

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Southend to Puerto Rico

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

Cheapflights Insights

Related info for your journey

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

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

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

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

Complete your trip

Complete your trip to Puerto Rico by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Southend to Puerto Rico by cabin class

Find flights from Southend to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southend and Puerto Rico flights

Browse other Southend and Puerto Rico flight options. Last updated on 14 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

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Cheap flights from London Southend Airport to Puerto Rico from £390

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southend to Puerto Rico

One-way flights from Southend to Puerto RicoSearch for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Southend to Puerto Rico

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Southend to Puerto Rico

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

Cheapflights Insights

Related info for your journey

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

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

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

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

Complete your trip

Complete your trip to Puerto Rico by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Southend to Puerto Rico by cabin class

Find flights from Southend to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southend and Puerto Rico flights

Browse other Southend and Puerto Rico flight options. Last updated on 14 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

One-way flights from Southend to Puerto Rico
Search for one-way flight options from Southend to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.