Cheapest return flights from Newark to St. Thomas in September from $210

AirHint found the following cheapest return flights from Newark (EWR) to St. Thomas (STT) in September 2025 (see full year).

Return flights

27 Sep - 08 Oct Spirit Airlines
27 Sep - 07 Oct Spirit Airlines
22 Sep - 08 Oct Spirit Airlines
22 Sep - 07 Oct Spirit Airlines
20 Sep - 08 Oct Spirit Airlines
20 Sep - 07 Oct Spirit Airlines
25 Sep - 08 Oct Spirit Airlines
25 Sep - 07 Oct Spirit Airlines
24 Sep - 08 Oct Spirit Airlines
24 Sep - 07 Oct Spirit Airlines
25 Sep - 27 Sep Spirit Airlines
22 Sep - 26 Sep Spirit Airlines
20 Sep - 25 Sep Spirit Airlines
20 Sep - 26 Sep Spirit Airlines
24 Sep - 26 Sep Spirit Airlines
13 Sep - 20 Sep United direct
25 Sep - 26 Sep Spirit Airlines
21 Sep - 25 Sep Spirit Airlines
21 Sep - 26 Sep Spirit Airlines
19 Sep - 27 Sep Spirit Airlines

Also check the deals for one-way flights from Newark to St. Thomas in September.

Skyscanner

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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