Cheap Flights from Saint Thomas to Washington D.C. from $249

Frequently Asked Questions

• What are the cheapest flights from Saint Thomas to Washington D.C. (STT-WAS)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $249 on Cheapest nonstop routes (e.g. STT to IAD on Sat, Sep 26), while American Airlines offers Cheapest nonstop round-trips from $504 departing on Sat, Sep 5 and returning on Tue, Sep 8.

• Which airlines offer direct flights from Saint Thomas to Washington D.C.?

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

• How long does it take to fly from Saint Thomas (STT) to Washington D.C. (WAS) and what is the distance?

  It takes around 4 hours 23 minutes to fly from Saint Thomas (STT) to Washington D.C. (WAS).

• When is the best time to book flights from Saint Thomas to Washington D.C.?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Saint Thomas to Washington D.C. 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 many flights are there per week from Saint Thomas to Washington D.C.?

  Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Saint Thomas to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1445 (16:50)

• How can I find the best deals on flights from Saint Thomas to Washington D.C.?

  To find best deals on flights from Saint Thomas to Washington D.C., 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, Sep 26, with one-way flights priced at just $249.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · 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 Washington D.C. travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Saint Thomas (STT) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Saint Thomas to Washington D.C. is August, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Saint Thomas to Washington D.C. on?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Saint Thomas to Washington D.C. on August 27, 2026 with American Airlines, with prices starting at $263.

• Which airports can I fly to for Washington D.C. from Saint Thomas?

  You can land at any one of the following hubs in Washington D.C., with Cyril E. King Airport to Ronald Reagan Washington National Airport (STT-DCA) is by far the most common option on this route: Dulles International Airport (IAD) Ronald Reagan Washington National Airport (DCA).

• Is there any time difference between Saint Thomas and Washington D.C.?

  The time difference between Washington D.C. and Saint Thomas is 1h.

• How do I change or cancel my ticket from Saint Thomas to Washington D.C.?

  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.

• What is the average cost of a one-way flight from Saint Thomas to Washington D.C.?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Saint Thomas to Washington D.C. is $433. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Saint Thomas to Washington D.C.?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Saint Thomas to Washington D.C. is $671. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Saint Thomas to Washington D.C. on Trip.com?

  Enter Saint Thomas and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.