$608 Cheap Flights from Cincinnati (CVG) to Castries (SLU)

View $608 flight on Sun, Jan 11, 2026Opens in a new window

Popular airlines from Cincinnati-Northern Kentucky Int'l Airport (CVG) to George F. L. Charles Airport (SLU)

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Cheap Flights from Cincinnati to Castries (CVG-SLU)

Prices were available within the past 7 days and start at $608 for one-way flights and $1,220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Dec 14 - Fri, Dec 19
CVG
Cincinnati
SLU
Castries
$1,220 Roundtrip, found 1 day ago
$1,220
Roundtrip
found 1 day ago
Select United flight, departing Sun, Dec 14 from Cincinnati to Castries, returning Fri, Dec 19, priced at $1,220 found 1 day ago

Frequently asked questions

How much does a flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU) cost?
Snag a cheap one-way flight from $608 or cheap return flight from $1,220 from Cincinnati - Northern Kentucky Intl. Airport (CVG) 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 Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU)?
December is the most affordable month to fly from CVG to SLU. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CVG to SLU flight.
How many flights per day from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU)?
You'll need to hop on a flight with a layover when traveling from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CVG to SLU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU)?
To arrive at George F. L. Charles Airport (SLU) without delays, choose a flight that leaves Cincinnati - Northern Kentucky Intl. Airport (CVG) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU) last-minute?
Booking your ticket from CVG to SLU shortly before your trip is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CVG to SLU flight and hotel package?
Opting for a CVG to SLU flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to George F. L. Charles Airport (SLU)?
In most instances, you can reschedule or cancel your CVG to SLU flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Cincinnati - Northern Kentucky Intl.
Destination airport
George F. L. Charles
Roundtrip price
$1,220
Distance
2250 mi

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Book with confidence

Cincinnati to Castries Flights

The cheapest times to fly from Cincinnati 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 Cincinnati to Castries are during the month of December. You can find some of the cheapest flights from Cincinnati to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cincinnati to Castries

Sunday is one of the best days to book for cheap flights from Cincinnati 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 Cincinnati 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 Cincinnati to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $608 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 Cincinnati 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 Cincinnati 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.

 

Cincinnati to Castries Flights

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