$1,256 Cheap Flights from San Juan (SJU) to Saint John (YSJ)

View $1,256 flight on Tue, Dec 23, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Saint John, NB (YSJ)

Cheap Flights from San Juan to Saint John (SJU-YSJ)

Prices were available within the past 7 days and start at $1,256 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from San Juan (SJU) to Saint John (YSJ)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Saint John
Distance
1857 mi

San Juan to Saint John Flights

The cheapest times to fly from San Juan to Saint John

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 San Juan to Saint John are during the month of . You can find some of the cheapest flights from San Juan to Saint John with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Saint John

Sunday is one of the best days to book for cheap flights from San Juan to Saint John: 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 San Juan to Saint John

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 San Juan to Saint John in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,256 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 San Juan to Saint John 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 San Juan to Saint John 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 Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ) cost?
Grab a cheap one-way flight from $1,256 or cheap return flight from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ)?
The cheapest month to fly from SJU to YSJ is , when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJU to YSJ flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ)?
You'll have to hop on a flight with a layover when traveling from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SJU to YSJ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ)?
To touch down at Saint John Airport (YSJ) on time, choose a flight that leaves Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ) last-minute?
Waiting until just before your departure to book your flight from SJU to YSJ often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a SJU to YSJ flight and hotel package?
Compared with arranging hotels and flights separately, booking a SJU to YSJ flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Saint John Airport (YSJ)?
In most instances, you can cancel or reschedule your SJU to YSJ flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.