Cheap Flights from Charleston (CHS) to Unalaska (DUT)

Popular airlines from Charleston Intl. Airport (CHS) to Unalaska, AK (DUT)

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT) cost?
Secure a cheap one-way flight or cheap return flight from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT) 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 Charleston Intl. Airport (CHS) to Unalaska Airport (DUT)?
Flying in is a good way to save, as it's the cheapest month for flights between CHS and DUT. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT)?
To find the cheapest airline flying from CHS to DUT, use Expedia's filter tool. Customize 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 flights first.
How many flights per day from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT)?
You'll have to hop on a flight with a layover when traveling from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT). Direct flights don't operate daily on this route. However, just 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 CHS to DUT?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But 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 Charleston Intl. Airport (CHS) to Unalaska Airport (DUT)?
Opt for a flight from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Charleston Intl. Airport (CHS) to Unalaska Airport (DUT) last-minute?
Booking your ticket from CHS to DUT just before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a CHS to DUT flight and hotel package?
Opting for a CHS to DUT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Unalaska Airport (DUT)?
It's generally possible to cancel or reschedule your CHS to DUT flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Unalaska
Distance
4286 mi

Book with confidence

Charleston to Unalaska Flights

The cheapest times to fly from Charleston to Unalaska

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

 

The best time to book a flight from Charleston to Unalaska

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

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 Charleston to Unalaska in 2025. 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 Charleston to Unalaska 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 Charleston to Unalaska 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.

 

Charleston to Unalaska Flights

Explore a world of travel with Expedia

*Available to One Key members.