Cheap flights from London Southend Airport to Puerto Rico from £418

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — SJU
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Southend to Puerto Rico

Enter your travel dates to find the best prices.

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 17 October 2025.

Sun 7/1218:05SEN - SJU
3 stops30h 47mMultiple Airlines
Deal found 15/10£418
Tue 28/1020:20SEN - SJU
3 stops46h 04mMultiple Airlines
Deal found 15/10£429
Tue 9/1208:00SEN - SJU
2 stops36h 35mMultiple Airlines
Deal found 15/10£430
Sat 13/1206:40SEN - SJU
3 stops42h 12mMultiple Airlines
Deal found 15/10£517
Sat 1/1115:00SEN - SJU
3 stops30h 05mMultiple Airlines
Deal found 16/10£660
Sat 20/1206:40SEN - SJU
2 stops37h 55mMultiple Airlines
Deal found 16/10£695
Sat 25/1008:40SEN - SJU
3 stops37h 25mMultiple Airlines
Deal found 15/10£774
Sun 21/1207:10SEN - SJU
3 stops46h 10mMultiple Airlines
Deal found 15/10£788

Cheap flight deals from Southend to Puerto Rico

Keep the following information in mind while searching for Southend to Puerto Rico flight deals. Data was last updated 17 October 2025.

Popular in

July

Cheapest in

September

Average price

£648
Highest demand for flights based on searches. 12% potential increase in price (£69 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend 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 17 October 2025.
Use the filters below to find and compare flights from London Southend Airport to Puerto Rico that are best for you.

Fly from

Southend

Fly to

Puerto Rico

Route

Depart

Return

Price

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sun 7/12

18:05-20:52

3 stops30h 47m

£418

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Tue 28/10

20:20-14:24

3 stops46h 04m

£429

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Tue 9/12

08:00-16:35

2 stops36h 35m

£430

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sat 1/11

15:00-17:05

3 stops30h 05m

£660

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sat 20/12

06:40-16:35

2 stops37h 55m

£695

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sat 25/10

08:40-17:05

3 stops37h 25m

£774

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sun 21/12

07:10-01:20

3 stops46h 10m

£788

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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.
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
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Related info for your journey

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

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Alternative routes for Southend to Puerto Rico

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

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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