Trip.com
>
Cheap Flights
>
Bulgaria
>
Sofia
>
Flights from Sioux Falls to Sofia

Find the cheapest flight options from Sioux Falls to Sofia over the next three months. Book one-way tickets from RUB 48,012 and round-trip tickets from RUB 76,117.

      • FSD 11:25
        27h 50m
        2 stops
        SOF 23:15
        Sioux Falls - Sofia | Sun, May 10 | United Airlines
        SOF 06:20
        22h
        2 stops
        FSD 20:20
        Sofia - Sioux Falls | Sun, May 17 | United Airlines
        RUB 76,117 RUB 127,027
        40% off
        40% off
        RUB 127,027 RUB 76,117
      • FSD 13:35
        16h 25m
        2 stops
        SOF 14:00
        Sioux Falls - Sofia | Sun, May 10 | Air France
        SOF 07:00
        24h 11m
        2 stops
        FSD 23:11
        Sofia - Sioux Falls | Sun, May 17 | KLM Royal Dutch Airlines
        RUB 85,896 RUB 127,027
        32% off
        32% off
        RUB 127,027 RUB 85,896
      • FSD 05:20
        24h 40m
        2 stops
        SOF 14:00
        Sioux Falls - Sofia | Sun, May 10 | KLM Royal Dutch Airlines
        SOF 07:00
        20h 27m
        2 stops
        FSD 19:27
        Sofia - Sioux Falls | Sun, May 17 | KLM Royal Dutch Airlines
        RUB 98,105 RUB 127,027
        23% off
        23% off
        RUB 127,027 RUB 98,105
      • FSD 11:25
        15h 35m
        2 stops
        SOF 11:00
        Sioux Falls - Sofia | Sun, May 10 | Lufthansa
        SOF 06:20
        22h
        2 stops
        FSD 20:20
        Sofia - Sioux Falls | Sun, May 17 | Lufthansa
        RUB 115,594
        9% off
        RUB 127,027 RUB 115,594
      • FSD 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Sioux Falls - Sofia | Tue, Apr 7 | Normal Airline
        SOF 15:00
        6h
        Direct
        FSD 16:00
        Sofia - Sioux Falls | Thu, Apr 9 | Normal Airline
        Find more flights
        Find more flights
      • FSD 19:39
        35h 56m
        2 stops
        SOF 15:35
        Sioux Falls - Sofia | Tue, Apr 7 | American Airlines
        RUB 48,012 RUB 88,232
        46% off
        46% off
        RUB 88,232 RUB 48,012
      • FSD 18:53
        20h 22m
        2 stops
        SOF 23:15
        Sioux Falls - Sofia | Tue, Apr 7 | Lufthansa
        RUB 49,838 RUB 88,232
        44% off
        44% off
        RUB 88,232 RUB 49,838
      • FSD 18:53
        20h 22m
        2 stops
        SOF 23:15
        Sioux Falls - Sofia | Tue, Apr 7 | United Airlines
        RUB 50,617 RUB 88,232
        43% off
        43% off
        RUB 88,232 RUB 50,617
      • FSD 11:01
        42h 59m
        2 stops
        SOF 14:00
        Sioux Falls - Sofia | Tue, Apr 7 | KLM Royal Dutch Airlines
        RUB 68,280
        23% off
        RUB 88,232 RUB 68,280
      • FSD 05:20
        48h 40m
        2 stops
        SOF 14:00
        Sioux Falls - Sofia | Tue, Apr 7 | Delta Air Lines
        RUB 74,628
        15% off
        RUB 88,232 RUB 74,628
      • FSD 05:20
        33h 55m
        2 stops
        SOF 23:15
        Sioux Falls - Sofia | Tue, Apr 7 | Virgin Atlantic
        RUB 80,291
        9% off
        RUB 88,232 RUB 80,291
      • FSD 13:00
        17h 25m
        1 stop
        SOF Invalid Date
        Sioux Falls - Sofia | Tue, Apr 7 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Sioux Falls to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Sioux Falls to Sofia

The distance between Sioux Falls and Sofia is 8,724.15 km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceRUB 48,012
Cheapest round-trip ticket priceRUB 76,117
Off-season for travelOctober
Peak season for travelJanuary
Flight distance8,724.15 km
Flight statistics for the Sioux Falls–Sofia route are based on aggregated booking data from Trip.com over the past 12 months.

Flight FAQs

  • What are the cheapest flights from Sioux Falls to Sofia (FSD-SOF)?

    Based on Trip.com data, American Airlines offers one-way fares as low as RUB 48,012 on Cheapest nonstop routes (e.g. FSD to SOF on Tue, Apr 7), while United Airlines offers Cheapest nonstop round-trips from RUB 76,117 departing on Sun, May 10 and returning on Sun, May 17.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sioux Falls 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 Sioux Falls 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 Tue, Apr 7, with one-way flights priced at just RUB 48,012.
    · 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 January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sioux Falls to Sofia is October, when demand for travel is lower.
  • The time difference between Sofia and Sioux Falls is 8h.
  • 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.