Cheap Flights from Sofia to Washington D.C. from €371

Frequently Asked Questions

• What are the cheapest flights from Sofia to Washington D.C. (SOF-WAS)?

  Based on Trip.com data, British Airways offers one-way fares as low as €371 on Cheapest nonstop routes (e.g. SOF to IAD on Wed, Jan 21), while Air France offers Cheapest nonstop round-trips from €475 departing on Sun, Mar 1 and returning on Sun, Mar 8.

• Which airlines offer flights from Sofia to Washington D.C.?

  At the moment, several airlines serve connecting flights from Sofia to Washington D.C., including: British Airways Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Sofia 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 Sofia 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 can I find the best deals on flights from Sofia to Washington D.C.?

  To find best deals on flights from Sofia 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 Wed, Jan 21, with one-way flights priced at just €371.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is British Airways.
  · 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 Sofia (SOF) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Sofia to Washington D.C. is November, when demand for travel is lower.

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

  After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Sofia to Washington D.C. on January 23, 2026 with Air France, with prices starting at €524.

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

  You can land at any one of the following hubs in Washington D.C., with Sofia International Airport to Dulles International Airport (SOF-IAD) 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 Sofia and Washington D.C.?

  The time difference between Washington D.C. and Sofia is 7h.

• How do I change or cancel my ticket from Sofia 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.