Cheap Flights from Charleston (CHS) to Sao Luis (SLZ)

Popular airlines from Charleston Intl. Airport (CHS) to Sao Luis (SLZ-Marechal Cunha Machado Intl.)

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ) cost?
Snag a cheap one-way flight or cheap return flight from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ) 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 Marechal Cunha Machado Intl. Airport (SLZ)?
Traveling in is a great way to save, as it's the cheapest month for flights between CHS and SLZ. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from CHS to SLZ. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ)?
You'll have to take a flight with a layover if you're traveling from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from CHS to SLZ?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, season 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 Marechal Cunha Machado Intl. Airport (SLZ)?
Choose a flight from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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 Marechal Cunha Machado Intl. Airport (SLZ) last-minute?
Last-minute fares from CHS to SLZ are usually more expensive. To secure the cheapest rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a CHS to SLZ flight and hotel package?
Compared with arranging hotels and flights separately, booking a CHS to SLZ flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Marechal Cunha Machado Intl. Airport (SLZ)?
Generally, it's possible to cancel or reschedule your CHS to SLZ flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Marechal Cunha Machado Intl.
Distance
3386 mi

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Charleston to Sao Luis Flights

The cheapest times to fly from Charleston to Sao Luis

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

 

The best time to book a flight from Charleston to Sao Luis

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

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 Sao Luis 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 Sao Luis 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 Sao Luis 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 Sao Luis Flights

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*Available to One Key members.