Cheap Flights from San Francisco to Saint Thomas from $387

Frequently Asked Questions

• What are the cheapest flights from San Francisco to Saint Thomas (SFO-STT)?

  Based on Trip.com data, Delta Air Lines offers one-way fares as low as $387 on Cheapest nonstop routes (e.g. SFO to STT on Sat, Jul 18), while American Airlines offers Cheapest nonstop round-trips from $779 departing on Wed, Aug 5 and returning on Mon, Aug 10.

• Which airlines offer direct flights from San Francisco to Saint Thomas?

  At the moment, you can catch a nonstop flight from San Francisco to Saint Thomas with the following airlines, including: Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from San Francisco to Saint Thomas?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Saint Thomas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from San Francisco to Saint Thomas?

  To find best deals on flights from San Francisco to Saint Thomas, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jul 18, with one-way flights priced at just $387.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Saint Thomas travel is around December.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Francisco (SFO) to Saint Thomas (STT) the cheapest?

  The cheapest months to fly from San Francisco to Saint Thomas is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Francisco to Saint Thomas on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from San Francisco to Saint Thomas on June 15, 2026 with Jetblue Airways, with prices starting at $790.

• Which airports can I fly to for Saint Thomas from San Francisco?

  You can land at any one of the following hubs in Saint Thomas, with San Francisco International Airport to Cyril E. King Airport (SFO-STT) is by far the most common option on this route: Cyril E. King Airport (STT) St. Thomas Seaplane Base (SPB).

• Is there any time difference between San Francisco and Saint Thomas?

  The time difference between Saint Thomas and San Francisco is 4h.

• How do I change or cancel my ticket from San Francisco to Saint Thomas?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.