Cheap flights from the United States to Saint Thomas Island from $104

The month of May is another great option to travel to Saint Thomas Island, with average flight prices from United States averaging around $443.

On average, the least expensive day to fly to Saint Thomas Island from United States is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $381. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Saint Thomas Island for around $525.

Fly from Boston Logan Intl to Saint Thomas Island Cyril E King for the best United States - Saint Thomas Island Cyril E King flight prices

You are more likely to see cheaper flights to Saint Thomas Island from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $422 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from United States for as low as $344 on momondo.

You could potentially save up to 5% on your flight if you consider stops on a United States to Saint Thomas Island flight.

Delta, United Airlines, and Spirit Airlines are the most popular carriers operating from United States to Saint Thomas Island Cyril E King

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from United States according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 8 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between United States and Saint Thomas Island have experienced a delay on any given week. The average delay length over the past 12 months has been 149 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

11 flights are operational daily from United States to Saint Thomas Island as of May 2026. The most popular departure time for this route is 9:00AM, with 91% of flights per day taking off at noon.

82 flights are operational weekly from United States to Saint Thomas Island as of May 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.