Cheapest return flights from Newark to St. Thomas in May from $176

Best time to book flights for Newark (EWR) to St. Thomas (STT) flights at AirHint

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

Return flights

15 May - 19 May Frontier Airlines
19 May - 23 May Frontier Airlines
16 May - 23 May Frontier Airlines
12 May - 19 May Frontier Airlines
11 May - 19 May Frontier Airlines
25 May - 31 May Frontier Airlines
20 May - 23 May Spirit Airlines
26 May - 30 May Spirit Airlines
30 May - 03 Jun Spirit Airlines
31 May - 02 Jun Spirit Airlines
16 May - 21 May Frontier Airlines
16 May - 20 May Frontier Airlines
31 May - 01 Jun Spirit Airlines
29 May - 04 Jun Spirit Airlines
31 May - 01 Jun United direct

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

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.

Book a cheap hotel in St. Thomas

Cheap car rent in St. Thomas