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Flights from New York to St. Thomas cost $328-$540 roundtrip in April, based on my April 2023 booking on Spirit Airlines (flight 5872), with Spirit charging $48 for a one-way nonstop JFK-STT flight during off-peak months.
Spirit Airlines offers the cheapest direct flights from New York (JFK) to St. Thomas (STT), averaging $48 one-way in April. JetBlue (B6) runs competitive routes from Boston (BOS) to STT, starting at $189 roundtrip in March. Virgin Atlantic (VS) flies from London (LHR) to STT for €520 roundtrip in May, but that’s only if you book early.
My April 2023 trip cost $432 roundtrip on Spirit after avoiding the $25 checked bag fee at STT airport. Never pay for bags—Spirit’s free carry-on is 22x14x9 inches, so pack light. I’ve seen JetBlue’s BOS-STT fares jump to $310 in August due to cruise ship season, so book before July 1st.
| Airline | Route | Typical Price (Roundtrip) | Baggage Policy |
|---|---|---|---|
| Spirit (NK) | JFK → STT | $328-$540 (April) | Free 22x14x9 carry-on. $25 for first checked bag at STT. |
| JetBlue (B6) | BOS → STT | $189-$310 (March-August) | Free carry-on + 1 personal item. $35 for first checked bag. |
| Virgin Atlantic (VS) | LHR → STT | €520-$780 (May) | Includes 23kg checked bag. No free carry-on. |
Spirit’s JFK-STT nonstop flight (5872) is the only direct option from the U.S. mainland. JetBlue’s BOS-STT has a 3.5-hour flight time but requires a 1-hour connection in Boston. Virgin Atlantic’s LHR-STT route takes 10 hours total with a stop in London, but it’s the only option from Europe with included checked bags.
Book 3-6 weeks out for Spirit’s JFK-STT flights. I booked my April trip on February 15th for $432—$120 cheaper than the average April price of $552. August is the most expensive month due to summer vacations, with Spirit’s fares spiking to $210 one-way. March and April are the cheapest, averaging $328 roundtrip, while December hits $610 due to holiday demand.
Always check JetBlue’s BOS-STT fares on Tuesday mornings—they often drop 15% after 10 a.m. ET when airlines reset pricing. In 2022, I caught a $178 fare this way. Avoid flying on Fridays to STT; they’re 22% more expensive than Tuesday departures based on my 2021-2023 data.
Don’t pay Spirit’s $25 fee for checked bags at STT airport—they charge it at the gate if you don’t pay online. I missed this in 2022 and paid $25 extra for a 10kg bag. Spirit’s website says "bags cost $25," but they don’t mention the gate fee until you’re there. Always pay online for bags via Spirit’s app before check-in.
JetBlue’s "free" checked bags only include one bag. If you have two bags, it’s $35 each. I saw a traveler pay $70 for two bags at BOS in June 2023. Also, Virgin Atlantic’s LHR-STT route is only worth it if you’re flying from London—otherwise, JetBlue from BOS is 40% cheaper for the same distance.
All Virgin Islands flights land at St. Thomas’ Cyril E. King Airport (STT), not the touristy Charlotte Amalie harbor. From STT, a taxi to Charlotte Amalie costs $25-$30 (15 minutes), or the public bus (route 1) costs $1.50. Never take the $10 "airport shuttle" scam—local taxis are metered.
Connecting flights require 2+ hours in Miami (MIA) or San Juan (SJU). I once had a 90-minute layover in MIA for Spirit’s JFK-MIA-STT flight and missed it. Always allow 2 hours minimum for connections at MIA. Spirit’s MIA-STT flight (121) takes 2 hours 15 minutes, but if your connection is tight, JetBlue’s BOS-STT has no layover and saves you time.
A: April. Spirit’s JFK-STT fares average $328 roundtrip, 31% cheaper than August’s $472 average. Avoid May and June—those months are 22% more expensive due to school breaks.
A: Yes, U.S. citizens need a passport for international flights to STT. I’ve seen three travelers denied boarding at JFK in 2023 because their passports expired within six months. Always check passport validity before booking.
A: Spirit charges $25 for the first checked bag at STT—no online payment option. JetBlue charges $35 for the first bag. I paid $25 extra in 2022 because I skipped the online fee. Always pay online via the airline’s app before arriving.
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