$53 Cheap Frontier Airlines flights Trenton (TTN) to Atlanta (ATL)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Frontier Airlines round-trip flights from $117 from TTN to ATL. Affordable one-way options from $53 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or round-trip flights to Atlanta in January or February. You could find lower fares with Frontier Airlines during these off-peak months.

For cheap Frontier Airlines fares from Mercer Airport (TTN) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall price. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct trip from TTN to ATL with Frontier Airlines or any other carriers, select the “Nonstop” filter when looking for tickets.

To find the earliest departures from TTN to ATL with Frontier Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on a Frontier Airlines flight from Mercer Airport (TTN) to Atlanta, and you’ll probably touch down at Hartsfield-Jackson Atlanta Intl. Airport (ATL). This is the airline’s main hub here.

With a rewarding loyalty program, Frontier Airlines is a top pick for many passengers departing from TTN to ATL. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee generally applies if you modify or cancel your flight more than 24 hours after confirmation. To find flexible fares, select our “No cancel fee” or “Changes included” filter when searching for flights. For additional information on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”