AirHint found the following cheapest return flights from New York (LGA) to St. Thomas (STT) in September 2026 (see full year).

Return flights

01 Sep - 02 Sep	Spirit Airlines
01 Sep - 03 Sep	Spirit Airlines
01 Sep - 08 Sep	Spirit Airlines
01 Sep - 04 Sep	Spirit Airlines
27 Sep - 04 Oct	jetBlue
02 Sep - 09 Sep	Spirit Airlines
08 Sep - 15 Sep	Spirit Airlines
01 Sep - 06 Sep	Spirit Airlines
12 Sep - 19 Sep	United
19 Sep - 26 Sep	United
05 Sep - 12 Sep	Spirit Airlines
26 Sep - 03 Oct	United
30 Sep - 07 Oct	jetBlue
25 Sep - 02 Oct	jetBlue
28 Sep - 05 Oct	jetBlue
29 Sep - 06 Oct	jetBlue
24 Sep - 01 Oct	jetBlue

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

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 New York to St. Thomas in September from $355

Return flights