AirHint found the following cheapest one-way flights from Trenton (TTN) to Atlanta (ATL) in July 2025 (see full year).

One-Way flights

14 Jul	Frontier Airlines	direct
28 Jul	Frontier Airlines	direct
18 Jul	Frontier Airlines	direct
25 Jul	Frontier Airlines	direct
29 Jul	Frontier Airlines
30 Jul	Frontier Airlines
31 Jul	Frontier Airlines
22 Jul	Frontier Airlines
24 Jul	Frontier Airlines
26 Jul	Frontier Airlines

Also check the deals for return flights from Trenton to Atlanta in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Trenton to Atlanta in July from $48

One-Way flights