Cheap flights from Ontario, CA to Saint Thomas, United States
Flights starting at $154. Choose between Spirit Airlines, Frontier Airlines, or Silver Airways to find the best price.
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Cheapest one-way trip | $180 |
---|---|
Cheapest round-trip | $340 |
Average round-trip | $380 |
Includes rare itinerary | |
Most popular airline | Spirit Airlines |
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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Saint Thomas. The most popular airlines for this route are Spirit Airlines, Frontier Airlines, Silver Airways, JetBlue Airways, and Alaska Airlines. Ontario and Saint Thomas have 232 direct flights per week.
Check-in for a flight from Ontario to Saint Thomas
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Silver Airways | SIL | 3M | No | Opens 24 days before flight Closes 2 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Saint Thomas
Frequently asked questions
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