$210 Cheap Flights from Trenton (TTN) to Charleston (CHS)

View $210 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to Charleston Intl. Airport (CHS)

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Cheap Flights from Trenton to Charleston (TTN-CHS)

Prices were available within the past 7 days and start at $210 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Tue, Nov 4
TTN
Trenton
CHS
Charleston
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Oct 31 from Trenton to Charleston, returning Tue, Nov 4, priced at $179 found 6 days ago
American Airlines
Wed, Oct 1 - Sat, Oct 11
TTN
Trenton
CHS
Charleston
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 1 from Trenton to Charleston, returning Sat, Oct 11, priced at $199 found 6 days ago
American Airlines
Fri, Oct 31 - Tue, Nov 4
TTN
Trenton
CHS
Charleston
$239 Roundtrip, found 6 days ago
$239
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Oct 31 from Trenton to Charleston, returning Tue, Nov 4, priced at $239 found 6 days ago
American Airlines
Fri, Sep 26 - Mon, Sep 29
TTN
Trenton
CHS
Charleston
$248 Roundtrip, found 6 days ago
$248
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 26 from Trenton to Charleston, returning Mon, Sep 29, priced at $248 found 6 days ago
American Airlines
Sat, Oct 18 - Tue, Oct 21
TTN
Trenton
CHS
Charleston
$251 Roundtrip, just found
$251
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 18 from Trenton to Charleston, returning Tue, Oct 21, priced at $251 just found
American Airlines
Fri, Oct 31 - Tue, Nov 4
TTN
Trenton
CHS
Charleston
$255 Roundtrip, found 7 hours ago
$255
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Trenton to Charleston, returning Tue, Nov 4, priced at $255 found 7 hours ago
American Airlines
Sat, Sep 27 - Wed, Oct 1
TTN
Trenton
CHS
Charleston
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 27 from Trenton to Charleston, returning Wed, Oct 1, priced at $258 found 2 days ago
American Airlines
Sat, Feb 14 - Tue, Feb 17
TTN
Trenton
CHS
Charleston
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 14 from Trenton to Charleston, returning Tue, Feb 17, priced at $260 found 1 day ago
American Airlines
Sat, Dec 6 - Sat, Dec 13
TTN
Trenton
CHS
Charleston
$268 Roundtrip, found 5 hours ago
$268
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Dec 6 from Trenton to Charleston, returning Sat, Dec 13, priced at $268 found 5 hours ago
Frontier Airlines
Thu, Jul 24 - Mon, Jul 28
TTN
Trenton
CHS
Charleston
$486 Roundtrip, found 3 days ago
$486
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Trenton to Charleston, returning Mon, Jul 28, priced at $486 found 3 days ago
Flights from Trenton (TTN) to Charleston (CHS)
Origin airport
Mercer
Destination airport
Charleston Intl.
Airlines serving
American Airlines
Roundtrip price
$178
Distance
586 mi

Trenton to Charleston Flights

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

 

The best time to book a flight from Trenton to Charleston

Sunday is one of the best days to book for cheap flights from Trenton 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 Trenton 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 Trenton to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $210 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 Trenton 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 Trenton 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.

 

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Charleston Intl. Airport (CHS) cost?
Discover the latest flight deals from TTN to CHS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TTN to CHS?
The cheapest flights from TTN to CHS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Mercer Airport (TTN) to Charleston Intl. Airport (CHS)?
Direct flights aren't available from Trenton, NJ (TTN-Mercer) to Charleston Intl. Airport (CHS). However, there are other airports that have nonstop flights. Board your plane at Liberty Intl. Airport (EWR) and travel straight to Charleston without layovers.
What is the cheapest airline that flies from TTN to CHS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TTN to CHS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Mercer Airport (TTN) to Charleston Intl. Airport (CHS)?
There aren't any daily direct flights from Mercer Airport (TTN) to Charleston Intl. Airport (CHS). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from TTN to CHS?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, airline 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 Mercer Airport (TTN) to Charleston Intl. Airport (CHS)?
To touch down at Charleston Intl. Airport (CHS) on schedule, choose a flight that leaves Mercer Airport (TTN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Mercer Airport (TTN) to Charleston Intl. Airport (CHS) last-minute?
Last-minute fares from TTN to CHS are generally more expensive. For the lowest prices, start looking for flights ahead of time. That said, if you can play around with your travel dates, you may find a cheap ticket just before your departure.
Is it cheaper to book a TTN to CHS flight and hotel package?
Compared with arranging flights and hotels separately, booking a TTN to CHS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Charleston Intl. Airport (CHS)?
Typically, you can modify or cancel your TTN to CHS flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.