AirHint found the following cheapest return flights from Trenton (TTN) to Santo Domingo (SDQ) in July 2025 (see full year).

Return flights

22 Jul - 24 Jul	Frontier Airlines
29 Jul - 18 Aug	Frontier Airlines
30 Jul - 18 Aug	Frontier Airlines
26 Jul - 03 Aug	Frontier Airlines
20 Jul - 30 Jul	Frontier Airlines
19 Jul - 27 Jul	Frontier Airlines
20 Jul - 27 Jul	Frontier Airlines
30 Jul - 25 Aug	Frontier Airlines
31 Jul - 05 Aug	Frontier Airlines

Also check the deals for one-way flights from Trenton to Santo Domingo 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 return flights from Trenton to Santo Domingo in July from $391

Return flights