Cheap Flights from Union Island (UNI) to Charleston (CHS)

Popular airlines from Union Island (UNI) to Charleston Intl. Airport (CHS)

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Frequently asked questions

How much does a flight from Union Island (UNI) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight or cheap return flight from Union Island (UNI) to Charleston Intl. Airport (CHS) 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 Union Island (UNI) to Charleston Intl. Airport (CHS)?
Flying in may help you find better deals, as it's the cheapest month for flights between UNI and CHS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Union Island (UNI) to Charleston Intl. Airport (CHS)?
To find the cheapest airline flying from UNI to CHS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Union Island (UNI) to Charleston Intl. Airport (CHS)?
You'll need to catch a flight with a layover if you're traveling from Union Island (UNI) to Charleston Intl. Airport (CHS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from UNI to CHS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Union Island (UNI) to Charleston Intl. Airport (CHS)?
To avoid possible delays on the Union Island (UNI) to Charleston Intl. Airport (CHS) 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 Union Island (UNI) to Charleston Intl. Airport (CHS) last-minute?
Booking your flight from UNI to CHS right before your journey is usually more expensive. However, if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book an UNI to CHS flight and hotel package?
Compared with arranging hotels and flights separately, booking an UNI to CHS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Union Island (UNI) to Charleston Intl. Airport (CHS)?
If you booked your UNI to CHS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Union Island
Destination airport
Charleston Intl.
Distance
1829 mi

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Union Island to Charleston Flights

The cheapest times to fly from Union Island to Charleston

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

 

The best time to book a flight from Union Island to Charleston

Sunday is one of the best days to book for cheap flights from Union Island to Charleston: 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 Union Island to Charleston

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 Union Island to Charleston in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Union Island to Charleston 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 Union Island to Charleston 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.

 

Union Island to Charleston Flights

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*Available to One Key members.