$64 Cheap Flights from Trenton (TTN) to Atlanta (ATL)

View $64 flight on Fri, Feb 6, 2026Opens in a new window

Popular airlines from Trenton–Mercer Airport (TTN) to Hartsfield-Jackson Atlanta International Airport (ATL)

Cheap Flights from Trenton to Atlanta (TTN-ATL)

Prices were available within the past 7 days and start at $64 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Jan 21 - Sat, Jan 24
TTN
Trenton
ATL
Atlanta
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jan 21 from Trenton to Atlanta, returning Sat, Jan 24, priced at $138 just found
American Airlines
Sat, Jan 17 - Sun, Jan 18
TTN
Trenton
ATL
Atlanta
$139 Roundtrip, found 16 hours ago
$139
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, Jan 17 from Trenton to Atlanta, returning Sun, Jan 18, priced at $139 found 16 hours ago
American Airlines
Thu, Jan 22 - Mon, Jan 26
TTN
Trenton
ATL
Atlanta
$149 Roundtrip, just found
$149
Roundtrip
just found
Select American Airlines flight, departing Thu, Jan 22 from Trenton to Atlanta, returning Mon, Jan 26, priced at $149 just found
American Airlines
Thu, Jan 1 - Tue, Jan 6
TTN
Trenton
ATL
Atlanta
$149 Roundtrip, found 7 hours ago
$149
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Jan 1 from Trenton to Atlanta, returning Tue, Jan 6, priced at $149 found 7 hours ago
Frontier Airlines
Mon, Mar 2 - Thu, Mar 5
TTN
Trenton
ATL
Atlanta
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Trenton to Atlanta, returning Thu, Mar 5, priced at $155 found 1 hour ago
Frontier Airlines
Sun, Jan 4 - Sat, Jan 24
TTN
Trenton
ATL
Atlanta
$156 Roundtrip, found 3 days ago
$156
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jan 4 from Trenton to Atlanta, returning Sat, Jan 24, priced at $156 found 3 days ago
American Airlines
Wed, Dec 31 - Sun, Jan 4
TTN
Trenton
ATL
Atlanta
$157 Roundtrip, just found
$157
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 31 from Trenton to Atlanta, returning Sun, Jan 4, priced at $157 just found
American Airlines
Sat, Jan 17 - Sat, Jan 24
TTN
Trenton
ATL
Atlanta
$158 Roundtrip, found 4 days ago
$158
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Jan 17 from Trenton to Atlanta, returning Sat, Jan 24, priced at $158 found 4 days ago
Frontier Airlines
Thu, Jan 15 - Sun, Jan 18
TTN
Trenton
ATL
Atlanta
$161 Roundtrip, found 1 hour ago
$161
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Trenton to Atlanta, returning Sun, Jan 18, priced at $161 found 1 hour ago
Frontier Airlines
Sun, Dec 21 - Wed, Dec 31
TTN
Trenton
ATL
Atlanta
$162 Roundtrip, found 10 hours ago
$162
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sun, Dec 21 from Trenton to Atlanta, returning Wed, Dec 31, priced at $162 found 10 hours ago

Find the cheapest month to fly from Trenton (TTN) to Atlanta (ATL)

September is typically the cheapest month to fly

From $80 - $372 per traveler.

Alternative airports near Atlanta

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

Select flight to Hartsfield-Jackson Atlanta Intl. ATL. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $194
ATL
Hartsfield-Jackson Atlanta Intl.
Cheapest
Average driving time to city center16 min
Flights from $194
Flights from Trenton (TTN) to Atlanta (ATL)
Origin airport
Mercer
Destination airport
Hartsfield-Jackson Atlanta Intl.
Airlines serving
American Airlines, Frontier Airlines
Roundtrip price
$138
Distance
701 mi

Trenton to Atlanta Flights

The cheapest times to fly from Trenton to Atlanta

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

 

The best time to book a flight from Trenton to Atlanta

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

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 Atlanta in 2026. You can also book with separate airlines for your outbound and return journeys, from $64 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 Atlanta 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 Atlanta 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) cost?
Secure a cheap one-way flight from $64 or cheap return flight from $138 from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) 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 Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Traveling in January can help you save, as it's the cheapest month for flights between TTN and ATL. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Although Trenton, NJ (TTN-Mercer) doesn't have any direct flights to Hartsfield-Jackson Atlanta Intl. Airport (ATL), other airports have nonstop routes. Traveling from Liberty Intl. Airport (EWR) will get you to Atlanta without any layovers.
What is the cheapest airline that flies from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
To find the cheapest airline that'll fly you from TTN to ATL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
There aren't any daily nonstop flights departing from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from TTN to ATL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 airline has the least delays from TTN to ATL?
Consider booking with Frontier Airlines if you'd like to fly straight from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 85%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
To avoid possible delays on the Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) last-minute?
Waiting until just before your departure to book a ticket from TTN to ATL often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a TTN to ATL flight and hotel package?
Booking a TTN to ATL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
If you reserved your TTN to ATL flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.