Cheap flights from London Stansted Airport to Puerto Rico from £394
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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Stansted to Puerto Rico
Keep the following information in mind while searching for Stansted to Puerto Rico flight deals. Data was last updated 3 July 2025.
Find flight deals from Stansted to Puerto Rico
Cheapest flights from Stansted to Puerto RicoExplore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Explore the most affordable flight options available from Stansted to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Stansted 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 3 July 2025.
Use the filters below to find and compare flights from London Stansted Airport to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Juan
STN - SJU
STNSJU
London Stansted
Mon 15/9
06:05-18:30
1 stop17h 25m
San Juan Luis Munoz Marin Intl
Tue 30/9
20:20-21:00
1 stop19h 40m
LondonSan Juan
STN - SJU
STNSJU
London Stansted
Tue 9/9
11:40-14:11
3 stops31h 31m
Best time to book a flight from Stansted to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Stansted with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Stansted Airport to Puerto Rico
Related info for your journey
Find useful and relevant information for your journey from Stansted to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Stansted to Puerto Rico
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When you search for this flight from Stansted 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.
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Can Cheapflights find flights from Stansted to Puerto Rico with no change fees?
Need flexible booking options for your flight to Puerto Rico from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Stansted to Puerto Rico become cheaper?
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