$66 Cheap Flights from Trenton (TTN) to Cincinnati (CVG)

View $66 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to Cincinnati-Northern Kentucky Int'l Airport (CVG)

Cheap Flights from Trenton to Cincinnati (TTN-CVG)

Prices were available within the past 7 days and start at $66 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Dec 6 - Wed, Jan 7
TTN
Trenton
CVG
Cincinnati
$120 Roundtrip, found 7 hours ago
$120
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Trenton to Cincinnati, returning Wed, Jan 7, priced at $120 found 7 hours ago
Frontier Airlines
Thu, Nov 20 - Fri, Dec 12
TTN
Trenton
CVG
Cincinnati
$134 Roundtrip, found 4 days ago
$134
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Trenton to Cincinnati, returning Fri, Dec 12, priced at $134 found 4 days ago
Frontier Airlines
Thu, Jan 8 - Sun, Jan 11
TTN
Trenton
CVG
Cincinnati
$138 Roundtrip, found 5 hours ago
$138
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Trenton to Cincinnati, returning Sun, Jan 11, priced at $138 found 5 hours ago
Frontier Airlines
Sat, Dec 6 - Mon, Dec 8
TTN
Trenton
CVG
Cincinnati
$140 Roundtrip, found 6 days ago
$140
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Trenton to Cincinnati, returning Mon, Dec 8, priced at $140 found 6 days ago
Frontier Airlines
Mon, Nov 24 - Thu, Nov 27
TTN
Trenton
CVG
Cincinnati
$148 Roundtrip, found 1 hour ago
$148
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Nov 24 from Trenton to Cincinnati, returning Thu, Nov 27, priced at $148 found 1 hour ago
Frontier Airlines
Sat, Nov 22 - Mon, Nov 24
TTN
Trenton
CVG
Cincinnati
$151 Roundtrip, found 2 hours ago
$151
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Nov 22 from Trenton to Cincinnati, returning Mon, Nov 24, priced at $151 found 2 hours ago
Frontier Airlines
Fri, Jan 9 - Sun, Jan 11
TTN
Trenton
CVG
Cincinnati
$152 Roundtrip, found 6 hours ago
$152
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Jan 9 from Trenton to Cincinnati, returning Sun, Jan 11, priced at $152 found 6 hours ago
Frontier Airlines
Fri, Nov 21 - Sun, Nov 23
TTN
Trenton
CVG
Cincinnati
$154 Roundtrip, found 3 hours ago
$154
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Nov 21 from Trenton to Cincinnati, returning Sun, Nov 23, priced at $154 found 3 hours ago
Frontier Airlines
Thu, Jan 22 - Sun, Jan 25
TTN
Trenton
CVG
Cincinnati
$156 Roundtrip, found 5 hours ago
$156
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Trenton to Cincinnati, returning Sun, Jan 25, priced at $156 found 5 hours ago
American Airlines
Wed, Nov 5 - Tue, Nov 11
TTN
Trenton
CVG
Cincinnati
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 5 from Trenton to Cincinnati, returning Tue, Nov 11, priced at $362 found 6 days ago

Find the cheapest month to fly from Trenton (TTN) to Cincinnati (CVG)

March is typically the cheapest month to fly

From $118 - $666 per traveler.

Alternative airports near Cincinnati

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cincinnati - Northern Kentucky Intl. CVG. Cheapest option available. Average driving time to city center is 17 minutes. Flights from $382
CVG
Cincinnati - Northern Kentucky Intl.
Cheapest
Average driving time to city center17 min
Flights from $382

Frequently asked questions

How much does a flight from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG) cost?
Lock in a cheap one-way flight from $66 or cheap return flight from $120 from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG) 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 Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
Flying in December can help you save, as it's the cheapest month for flights between TTN and CVG. You'll typically find the lowest prices during the off-season.
Which airlines fly direct from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
While Trenton, NJ (TTN-Mercer) has no direct flights to Cincinnati - Northern Kentucky Intl. Airport (CVG), other airports have nonstop routes. Departing from Liberty Intl. Airport (EWR) will get you to Cincinnati without any layovers.
What is the cheapest airline that flies from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
To find the cheapest airline that'll fly you from TTN to CVG, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
You'll have to book a flight with a layover when traveling from Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG). Direct flights don't operate daily 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 TTN to CVG?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often 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 Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
To avoid potential delays on the Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG) route, aim to fly before 3 PM. Departures after this time 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 Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG) last-minute?
Booking your flight from TTN to CVG shortly before your trip is usually more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a TTN to CVG flight and hotel package?
Securing a TTN to CVG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick 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 Mercer Airport (TTN) to Cincinnati - Northern Kentucky Intl. Airport (CVG)?
You can usually cancel or reschedule your TTN to CVG flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Mercer
Destination airport
Cincinnati - Northern Kentucky Intl.
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$120
Distance
529 mi

Book with confidence

Trenton to Cincinnati Flights

The cheapest times to fly from Trenton to Cincinnati

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

 

The best time to book a flight from Trenton to Cincinnati

Sunday is one of the best days to book for cheap flights from Trenton to Cincinnati: 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 Cincinnati

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 Cincinnati in 2025. You can also book with separate airlines for your outbound and return journeys, from $66 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 Cincinnati 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 Cincinnati 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.

 

Trenton to Cincinnati Flights

Explore a world of travel with Expedia

*Available to One Key members.