$1,089 Cheap Flights from Newcastle (NCL) to San Juan (SJU)

View $1,089 flight on Wed, Apr 15, 2026Opens in a new window

Popular airlines from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)

Cheap Flights from Newcastle to San Juan (NCL-SJU)

Prices were available within the past 7 days and start at $1,089 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Newcastle (NCL) to San Juan (SJU)
Origin airport
Newcastle Intl.
Destination airport
Luis Munoz Marin Intl.
Distance
4168 mi

Newcastle to San Juan Flights

The cheapest times to fly from Newcastle to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newcastle to San Juan are during the month of . You can find some of the cheapest flights from Newcastle to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newcastle to San Juan

Sunday is one of the best days to book for cheap flights from Newcastle to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newcastle to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newcastle to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,089 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newcastle to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newcastle to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU) cost?
Secure a cheap one-way flight from $1,089 or cheap return flight from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)?
is the least expensive month to fly from NCL to SJU. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)?
To find the cheapest airline flying from NCL to SJU, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)?
There aren't any daily direct flights from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from NCL to SJU?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)?
To avoid potential delays on the Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Last-minute fares from NCL to SJU are typically more expensive. To secure the cheapest rates, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, you may land a cheap fare right before you leave.
Can I cancel or change the date of my flight from Newcastle Intl. Airport (NCL) to Luis Munoz Marin Intl. Airport (SJU)?
You can usually cancel or reschedule your NCL to SJU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.