$104 Cheap Flights from Columbus (CMH) to Trenton (TTN)

View $104 flight on Sat, Aug 16, 2025Opens in a new window

Popular airlines from John Glenn Columbus Intl. Airport (CMH) to Trenton–Mercer Airport (TTN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Columbus to Trenton (CMH-TTN)

Prices were available within the past 7 days and start at $104 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Aug 16 - Sat, Aug 23
CMH
Columbus
TTN
Trenton
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Columbus to Trenton, returning Sat, Aug 23, priced at $208 found 5 days ago
Frontier Airlines
Fri, Aug 22 - Sat, Aug 23
CMH
Columbus
TTN
Trenton
$218 Roundtrip, found 5 days ago
$218
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Columbus to Trenton, returning Sat, Aug 23, priced at $218 found 5 days ago
Frontier Airlines
Thu, Oct 30 - Mon, Nov 3
CMH
Columbus
TTN
Trenton
$223 Roundtrip, found 5 days ago
$223
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Columbus to Trenton, returning Mon, Nov 3, priced at $223 found 5 days ago
Frontier Airlines
Fri, Aug 22 - Sun, Aug 24
CMH
Columbus
TTN
Trenton
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Columbus to Trenton, returning Sun, Aug 24, priced at $228 found 5 days ago
Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
CMH
Columbus
TTN
Trenton
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Columbus to Trenton, returning Mon, Aug 25, priced at $245 found 3 days ago
Frontier Airlines
Sat, Aug 23 - Mon, Sep 1
CMH
Columbus
TTN
Trenton
$248 Roundtrip, found 5 days ago
$248
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Aug 23 from Columbus to Trenton, returning Mon, Sep 1, priced at $248 found 5 days ago
Frontier Airlines
Sat, Aug 16 - Mon, Sep 8
CMH
Columbus
TTN
Trenton
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Columbus to Trenton, returning Mon, Sep 8, priced at $252 found 1 day ago
Frontier Airlines
Fri, Aug 29 - Mon, Sep 1
CMH
Columbus
TTN
Trenton
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Aug 29 from Columbus to Trenton, returning Mon, Sep 1, priced at $258 found 5 days ago
Frontier Airlines
Fri, Aug 22 - Mon, Aug 25
CMH
Columbus
TTN
Trenton
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Aug 22 from Columbus to Trenton, returning Mon, Aug 25, priced at $260 found 3 days ago
American Airlines
Fri, Oct 31 - Mon, Nov 3
CMH
Columbus
TTN
Trenton
$337 Roundtrip, found 2 hours ago
$337
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Columbus to Trenton, returning Mon, Nov 3, priced at $337 found 2 hours ago
Flights from Columbus (CMH) to Trenton (TTN)
Origin airport
John Glenn Columbus Intl.
Destination airport
Mercer
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$208
Distance
426 mi

Columbus to Trenton Flights

The cheapest times to fly from Columbus to Trenton

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

 

The best time to book a flight from Columbus to Trenton

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

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 Columbus to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 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 Columbus to Trenton 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 Columbus to Trenton 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 John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN) cost?
Lock in a cheap one-way flight from $104 or cheap return flight from $208 from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN) 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 John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN)?
The cheapest month to fly from CMH to TTN is August, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from CMH to TTN. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN)?
You'll need to catch a flight with a layover when traveling from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN). There are no daily direct flights on this route. However, simply 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 CMH to TTN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN)?
To land at Mercer Airport (TTN) without delays, pick a flight that leaves John Glenn Columbus Intl. Airport (CMH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Trenton from John Glenn Columbus Intl. Airport (CMH)?
Take a direct flight from John Glenn Columbus Intl. Airport (CMH) to Trenton and arrive at any one of these airports:

  • LaGuardia Airport (LGA)
  • Liberty Intl. Airport (EWR)
  • Philadelphia Intl. Airport (PHL)

Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN) last-minute?
Booking your plane ticket from CMH to TTN just before your getaway is usually more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CMH to TTN flight and hotel package?
Opting for a CMH to TTN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Mercer Airport (TTN)?
You can usually cancel or reschedule your CMH to TTN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.