$375 Cheap Flights from Rochester (ROC) to Castries (SLU)

View $375 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)

Cheap Flights from Rochester to Castries (ROC-SLU)

Prices were available within the past 7 days and start at $375 for one-way flights and $1,113 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Mar 27 - Mon, Apr 6
ROC
Rochester
SLU
Castries
$1,113 Roundtrip, found 3 days ago
$1,113
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Fri, Mar 27 from Rochester to Castries, returning Mon, Apr 6, priced at $1,113 found 3 days ago

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Alternative airports near Castries

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city center is 53 minutes. Flights from $852
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $852
Flights from Rochester (ROC) to Castries (SLU)
Origin airport
Greater Rochester Intl.
Destination airport
George F. L. Charles
Roundtrip price
$1,112
Distance
2241 mi

Rochester to Castries Flights

The cheapest times to fly from Rochester to Castries

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 Rochester to Castries are during the month of March. You can find some of the cheapest flights from Rochester to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rochester to Castries

Sunday is one of the best days to book for cheap flights from Rochester to Castries: 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 Rochester to Castries

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 Rochester to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $375 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 Rochester to Castries 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 Rochester to Castries 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 Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight from $375 or cheap return flight from $1,113 from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)?
The cheapest month to fly from ROC to SLU is March, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from ROC to SLU. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)?
Direct flights from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ROC to SLU?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year 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 Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)?
To avoid possible delays on the Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU) last-minute?
Waiting until just before your departure to book your flight from ROC to SLU generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a ROC to SLU flight and hotel package?
You can save money by securing a ROC to SLU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Greater Rochester Intl. Airport (ROC) to George F. L. Charles Airport (SLU)?
Typically, you're able to reschedule or cancel your ROC to SLU flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.