Cheap flights from Pennsylvania to Saint Thomas Island from $133

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from Pennsylvania averaging around $541.

On average, the least expensive day to fly to Saint Thomas Island from Pennsylvania is on a Sunday. momondo users have found tickets for Sunday departures for as low as $695. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Saint Thomas Island for around $915.

Fly from Philadelphia to Saint Thomas Island Cyril E King for the best Pennsylvania - Saint Thomas Island Cyril E King flight prices

You are more likely to see cheaper flights to Saint Thomas Island from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $752 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 Pennsylvania for as low as $603 on momondo.

There are 2 cabin classes available to choose from on Pennsylvania to Saint Thomas Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 72% on your flight if you consider stops on a Pennsylvania to Saint Thomas Island flight.

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

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Pennsylvania according to our data. American Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 5 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

As of August 2026, there are 3 flights per day flying from Pennsylvania to Saint Thomas Island. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

As of August 2026, there are 27 flights per week flying from Pennsylvania to Saint Thomas Island. The most common day of the week flights depart is Sat, with 37% of flights taking off on this day.