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Cheap flights from London Southend Airport to Puerto Rico from £335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Southend Airport to Puerto Rico departing on 22/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Southend Airport to Puerto Rico

Cheap one-way flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:25 - 01:20
SEN
-
SJU
21h 55m
3 stops
£335Multiple Airlines
Wed, 22 Apr
Multiple Airlines Logo
16:25 - 17:10
SEN
-
SJU
29h 45m
3 stops
£337Multiple Airlines
Sun, 26 Apr
Multiple Airlines Logo
06:30 - 23:58
SEN
-
SJU
22h 28m
3 stops
£529Multiple Airlines
Fri, 3 Apr
Multiple Airlines Logo
06:30 - 15:20
SEN
-
SJU
36h 50m
3 stops
£546Multiple Airlines
Thu, 12 Feb
Multiple Airlines Logo
16:05 - 11:35
SEN
-
SJU
23h 30m
3 stops
£668Multiple Airlines
Fri, 13 Feb
Multiple Airlines Logo
16:05 - 11:35
SEN
-
SJU
23h 30m
3 stops
£690Multiple Airlines
Fri, 13 Feb
Multiple Airlines Logo
16:05 - 11:35
SEN
-
SJU
23h 30m
3 stops
£691Multiple Airlines
Fri, 13 Feb
Multiple Airlines Logo
16:05 - 16:40
SEN
-
SJU
28h 35m
2 stops
£892Multiple Airlines
Fri, 13 Feb
Multiple Airlines Logo
16:05 - 16:40
SEN
-
SJU
28h 35m
2 stops
£920Multiple Airlines
Fri, 13 Feb
Multiple Airlines Logo
16:05 - 16:40
SEN
-
SJU
28h 35m
2 stops
£922Multiple Airlines
Fri, 13 Feb

momondo Fare Finder

 
Customise your flight search to find flights from London Southend Airport 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, momondo users made 279,928 searches. Data last updated 6 February 2026.
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

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Wed 22/4

08:25-01:20

3 stops21h 55m

£335

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Sun 26/4

16:25-17:10

3 stops29h 45m

£337

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 3/4

06:30-23:58

3 stops22h 28m

£529

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Thu 12/2

06:30-15:20

3 stops36h 50m

£546

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-11:35

3 stops23h 30m

£668

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-11:35

3 stops23h 30m

£690

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-11:35

3 stops23h 30m

£691

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-16:40

2 stops28h 35m

£892

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-16:40

2 stops28h 35m

£920

LondonSan Juan

SEN - SJU

SENSJU

London Southend

Fri 13/2

16:05-16:40

2 stops28h 35m

£922

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap London Southend Airport to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to Puerto Rico

Fastest flight time

30h 05m

Direct flights

None
The fastest flight from London Southend Airport to Puerto Rico takes 30h 05m
There are no direct flights from London Southend Airport to Puerto Rico. There are no popular flight routes from London Southend Airport to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from London Southend Airport to Puerto Rico?

    Prices for flights from London Southend Airport to Puerto Rico refresh daily.

  • How old do you have to be to fly from London Southend Airport to Puerto Rico?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from London Southend Airport to Puerto Rico?

    Price Alerts will notify you by email when the price for flights to Puerto Rico from London Southend Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from London Southend Airport to Puerto Rico with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from London to Puerto Rico?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Puerto Rico for you.

Can I find flights from London to Puerto Rico with flexible booking policies on momondo?

All flight searches from London to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Puerto Rico?

Once you have performed a search for London to Puerto Rico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Puerto Rico right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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