Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Puerto Rico to London from £346

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 25/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Puerto Rico to London

Recent return flight deals from Puerto Rico to London

Enter your travel dates to find the best prices.
Aer Lingus Logo
07:10 - 08:40
SJU
-
SOU
21h 30m
2 stops
Aer Lingus Logo
20:00 - 16:40
SOU
-
SJU
24h 40m
2 stops
£916Aer Lingus
Fri, 4 Dec - Sun, 13 Dec
Multiple Airlines Logo
11:45 - 08:40
SJU
-
SOU
16h 55m
2 stops
Multiple Airlines Logo
09:20 - 03:38
SOU
-
SJU
22h 18m
2 stops
£924Multiple Airlines
Wed, 18 Nov - Fri, 27 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

momondo Fare Finder

 
Customise your flight search to find flights from Puerto Rico to Southampton 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 30 July 2026.
Use the filters below to find and compare flights from Puerto Rico to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSouthampton

SJU - SOU

SJUSOU

San Juan Luis Munoz Marin Intl

Fri 4/12

07:10-08:40

2 stops21h 30m

Southampton Eastleigh

Sun 13/12

20:00-16:40

2 stops24h 40m

£916
Fastest return journey

San JuanSouthampton

SJU - SOU

SJUSOU

San Juan Luis Munoz Marin Intl

Wed 18/11

11:45-08:40

2 stops16h 55m

Southampton Eastleigh

Fri 27/11

09:20-03:38

2 stops22h 18m

£924
Cheapest one-way

San JuanSouthampton

SJU - SOU

SJUSOU

San Juan Luis Munoz Marin Intl

Fri 25/9

20:25-11:50

3 stops58h 25m

£346
Fastest single journey

San JuanSouthampton

SJU - SOU

SJUSOU

San Juan Luis Munoz Marin Intl

Fri 25/9

17:50-16:50

2 stops18h 00m

£364

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 Southampton

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 Southampton?

The average flight duration from Puerto Rico to Southampton depends on which airport you fly into and out of. Flying from San Juan to London Heathrow Airport is 12h 50m on average, while flying from Ponce to London Heathrow Airport is 25h 12m on average. London Heathrow Airport is the most popular airport in Southampton.

Cheap Puerto Rico to Southampton flight deals and tips

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

Fastest flight time

16h 55m

Direct flights

None
The fastest flight from Puerto Rico to Southampton takes 16h 55m
There are no direct flights from Puerto Rico to Southampton. There are no popular flight routes from Puerto Rico to Southampton.
Search flight deals

Frequently asked questions about flying from Puerto Rico to Southampton

  • When did momondo last update prices for flights from Puerto Rico to Southampton Eastleigh Airport?

    Prices for flights from Puerto Rico to Southampton Eastleigh Airport refresh daily.

  • How old do you have to be to fly from Puerto Rico to Southampton Eastleigh Airport?

    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 Puerto Rico to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents you'll need for your trip to Southampton Eastleigh 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 Southampton Eastleigh 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
Portsmouth

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Puerto Rico to Southampton . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Puerto Rico.

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

If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from Puerto Rico and alert you when they change.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 29/8
Sat 5/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom