AirHint found the following cheapest return flights from Newark (EWR) to St. Thomas (STT) in May 2026 (see full year).

Return flights

07 May - 14 May	United	direct
12 May - 19 May	United
13 May - 20 May	United
10 May - 19 May	United
05 May - 12 May	United
04 May - 11 May	United
08 May - 11 May	United
06 May - 15 May	Spirit Airlines
06 May - 13 May	Spirit Airlines
09 May - 16 May	Spirit Airlines
13 May - 02 Jun	Spirit Airlines
16 May - 02 Jun	Spirit Airlines
16 May - 03 Jun	Spirit Airlines
19 May - 02 Jun	Spirit Airlines
19 May - 03 Jun	Spirit Airlines
27 May - 03 Jun	jetBlue
12 May - 01 Jun	Spirit Airlines
13 May - 01 Jun	Spirit Airlines
16 May - 01 Jun	Spirit Airlines
18 May - 02 Jun	Spirit Airlines

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

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 Newark to St. Thomas in May from $231

Return flights