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Cheap flights from Puerto Rico to London from £213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to London departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Recent return flight deals from Puerto Rico to London

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momondo Fare Finder

 
Customise your flight search to find flights from Puerto Rico to London Southend Airport 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 12 September 2025.
Use the filters below to find and compare flights from Puerto Rico to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Thu 9/10

06:22-15:45

2 stops28h 23m

£213

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Tue 23/9

21:26-20:50

2 stops42h 24m

£244

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Thu 5/3

08:40-12:15

3 stops47h 35m

£256

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Tue 23/9

21:26-20:50

3 stops42h 24m

£275

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Thu 30/10

09:00-19:35

3 stops30h 35m

£320

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Mon 1/12

18:30-22:25

3 stops23h 55m

£335

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Thu 5/3

21:25-12:15

2 stops34h 50m

£381

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Thu 25/12

18:30-12:15

3 stops37h 45m

£407

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Sun 26/10

18:30-12:50

3 stops38h 20m

£428

San JuanLondon

SJU - SEN

SJUSEN

San Juan Luis Munoz Marin Intl

Wed 24/12

02:59-10:15

3 stops27h 16m

£516

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Puerto Rico to London Southend Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Southend Airport?

Flight times from Puerto Rico to London Southend Airport vary, but if you’re flying out of San Juan and flying into London Heathrow Airport (one of the most popular routes), then the duration is 11h 55m on average. Another popular route from Puerto Rico to London Southend Airport is flying from Ponce to London Heathrow Airport, which will take roughly 14h 54m. Keep in mind that layovers or delays could extend your travel time.

Cheap Puerto Rico to London Southend Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Puerto Rico to London Southend Airport. There are no popular flight routes from Puerto Rico to London Southend Airport.
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  • When did momondo last update prices for flights from Puerto Rico to London Southend Airport?

    Prices for flights from Puerto Rico to London Southend Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to London Southend Airport.

  • What documentation or ID do you need to fly to London Southend Airport?

    The travel and health documents you'll need for your trip to London Southend Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Southend Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Dover
Chelmsford
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Puerto Rico to London. momondo saves you time and could save you money on your trip.

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

Flights from Puerto Rico to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Puerto Rico and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Puerto Rico to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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