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Flights from Washington D.C. to Sofia

Find the cheapest flight options from Washington D.C. to Sofia over the next three months. Book one-way tickets from MYR 964 and round-trip tickets from MYR 2,074.

      • IAD 17:40
        19h 50m
        1 stop
        SOF 20:30
        Washington D.C. - Sofia | Tue, Apr 7 | British Airways
        SOF 21:25
        25h 25m
        1 stop
        IAD 15:50
        Sofia - Washington D.C. | Wed, Apr 15 | British Airways
        MYR 2,074 MYR 2,421
        14% off
        14% off
        MYR 2,421 MYR 2,074
      • IAD 22:20
        13h 20m
        1 stop
        SOF 18:40
        Washington D.C. - Sofia | Mon, Apr 6 | United Airlines
        SOF 19:25
        26h 35m
        1 stop
        IAD 15:00
        Sofia - Washington D.C. | Mon, Apr 13 | Lufthansa
        MYR 2,091 MYR 2,421
        14% off
        14% off
        MYR 2,421 MYR 2,091
      • IAD 22:05
        17h 45m
        1 stop
        SOF 22:50
        Washington D.C. - Sofia | Tue, Apr 7 | United Airlines
        SOF 13:50
        13h 5m
        1 stop
        IAD 19:55
        Sofia - Washington D.C. | Wed, Apr 15 | United Airlines
        MYR 2,091 MYR 2,421
        14% off
        14% off
        MYR 2,421 MYR 2,091
      • IAD 23:55
        12h 25m
        1 stop
        SOF 18:20
        Washington D.C. - Sofia | Mon, Mar 23 | United Airlines
        SOF 12:55
        13h 30m
        1 stop
        IAD 19:25
        Sofia - Washington D.C. | Mon, Mar 30 | United Airlines
        MYR 2,159
        11% off
        MYR 2,421 MYR 2,159
      • IAD 22:20
        17h 50m
        1 stop
        SOF 23:10
        Washington D.C. - Sofia | Tue, Apr 7 | Lufthansa
        SOF 06:20
        16h 45m
        1 stop
        IAD 16:05
        Sofia - Washington D.C. | Wed, Apr 15 | Lufthansa
        MYR 2,161
        11% off
        MYR 2,421 MYR 2,161
      • IAD 18:40
        12h 35m
        1 stop
        SOF 13:15
        Washington D.C. - Sofia | Mon, Mar 23 | Lufthansa
        SOF 19:25
        26h 35m
        1 stop
        IAD 15:00
        Sofia - Washington D.C. | Mon, Mar 30 | Lufthansa
        MYR 2,192
        9% off
        MYR 2,421 MYR 2,192
      • IAD 22:20
        17h 50m
        1 stop
        SOF 23:10
        Washington D.C. - Sofia | Mon, Apr 6 | Lufthansa
        SOF 16:05
        29h 30m
        1 stop
        IAD 14:35
        Sofia - Washington D.C. | Mon, Apr 13 | Austrian Airlines
        MYR 2,192
        9% off
        MYR 2,421 MYR 2,192
      • IAD 17:25
        11h 15m
        1 stop
        SOF 11:40
        Washington D.C. - Sofia | Tue, Apr 7 | Austrian Airlines
        SOF 06:20
        16h 45m
        1 stop
        IAD 16:05
        Sofia - Washington D.C. | Wed, Apr 15 | Lufthansa
        MYR 2,245
        7% off
        MYR 2,421 MYR 2,245
      • IAD 17:25
        11h 15m
        1 stop
        SOF 11:40
        Washington D.C. - Sofia | Mon, Apr 6 | Austrian Airlines
        SOF 16:05
        29h 30m
        1 stop
        IAD 14:35
        Sofia - Washington D.C. | Mon, Apr 13 | Austrian Airlines
        MYR 2,271
        6% off
        MYR 2,421 MYR 2,271
      • IAD 19:00
        17h
        1 stop
        SOF 18:00
        Washington D.C. - Sofia | Mon, Mar 23 | Austrian Airlines
        SOF 19:25
        26h 35m
        1 stop
        IAD 15:00
        Sofia - Washington D.C. | Mon, Mar 30 | Lufthansa
        MYR 2,275
        6% off
        MYR 2,421 MYR 2,275
      • WAS 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Washington D.C. - Sofia | Sat, Mar 14 | Normal Airline
        SOF 15:00
        6h
        Direct
        WAS 16:00
        Sofia - Washington D.C. | Mon, Mar 16 | Normal Airline
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      • IAD 17:25
        11h 45m
        1 stop
        SOF 12:10
        Washington D.C. - Sofia | Wed, Apr 1 | United Airlines
        MYR 964 MYR 2,116
        54% off
        54% off
        MYR 2,116 MYR 964
      • IAD 18:10
        12h 50m
        1 stop
        SOF 14:00
        Washington D.C. - Sofia | Wed, Apr 1 | KLM
        MYR 1,195 MYR 2,116
        44% off
        44% off
        MYR 2,116 MYR 1,195
      • IAD 17:00
        25h 30m
        1 stop
        SOF 01:30
        Washington D.C. - Sofia | Sun, Apr 19 | American Airlines
        MYR 1,199 MYR 2,116
        43% off
        43% off
        MYR 2,116 MYR 1,199
      • IAD 19:20
        18h 45m
        1 stop
        SOF 20:05
        Washington D.C. - Sofia | Sun, Mar 15 | Iberia
        MYR 1,796
        15% off
        MYR 2,116 MYR 1,796
      • IAD 19:20
        18h 45m
        1 stop
        SOF 20:05
        Washington D.C. - Sofia | Sun, Mar 15 | British Airways
        MYR 1,803
        15% off
        MYR 2,116 MYR 1,803
      • IAD 23:20
        21h 35m
        1 stop
        SOF 02:55
        Washington D.C. - Sofia | Sun, Mar 15 | Virgin Atlantic
        MYR 1,831
        13% off
        MYR 2,116 MYR 1,831
      • IAD 23:20
        21h 35m
        1 stop
        SOF 02:55
        Washington D.C. - Sofia | Sun, Mar 15 | Delta Air Lines
        MYR 1,868
        12% off
        MYR 2,116 MYR 1,868
      • IAD 22:20
        13h 20m
        1 stop
        SOF 18:40
        Washington D.C. - Sofia | Mon, Apr 13 | United Airlines
        MYR 1,957
        8% off
        MYR 2,116 MYR 1,957
      • IAD 22:20
        13h 20m
        1 stop
        SOF 18:40
        Washington D.C. - Sofia | Wed, Apr 8 | United Airlines
        MYR 1,968
        7% off
        MYR 2,116 MYR 1,968
      • IAD 22:20
        17h 50m
        1 stop
        SOF 23:10
        Washington D.C. - Sofia | Sun, Apr 5 | United Airlines
        MYR 1,989
        6% off
        MYR 2,116 MYR 1,989
      • WAS 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Washington D.C. - Sofia | Sat, Mar 14 | Normal Airline
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Displayed flight fares from Washington D.C. to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Washington D.C. to Sofia Flights

The distance between Washington D.C. and Sofia is 7,918.86km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceMYR 964
Cheapest return ticket priceMYR 2,074
Off-season travel monthSeptember
Peak season for travelJuly
Flight distance7,918.86km
Flight statistics for the Washington D.C.–Sofia route are based on aggregated booking data from Trip.com over the past 12 months.

Flight FAQs

  • Which airlines offer the cheapest flights from Washington D.C. (WAS) to Sofia (SOF)?

    Based on Trip.com data, United Airlines offers one-way fares as low as MYR 964 on Cheapest nonstop routes (e.g. IAD to SOF on Wed, Apr 1), while British Airways offers Cheapest nonstop round-trips from MYR 2,074 departing on Tue, Apr 7 and returning on Wed, Apr 15.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Sofia 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.
  • To find best deals on flights from Washington D.C. to Sofia, 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, Apr 1, with one-way flights priced at just MYR 964.
    · 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 Sofia travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Sofia is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Washington D.C. to Sofia on March 23, 2026 with United Airlines, with prices starting at MYR 2,159.
  • The time difference between Sofia and Washington D.C. is 7h.
  • Tickets can only be changed or cancelled 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.

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