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Cheap flights from South Dakota to Sofia from $749

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Sofia departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from South Dakota to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:21 am - 6:20 pm
FSD
-
SOF
22h 59m
2 stops
United Airlines Logo
6:05 am - 9:57 pm
SOF
-
FSD
23h 52m
2 stops
$749United Airlines
Wed, Feb 18 - Sun, Feb 22

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from South Dakota to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 2/18

11:21 am-6:20 pm

2 stops22h 59m

Sofia

Sun 2/22

6:05 am-9:57 pm

2 stops23h 52m

$749

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap South Dakota to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to Sofia

Fastest flight time

22h 59m

Direct flights

None
The fastest flight from South Dakota to Sofia takes 22h 59m
There are no direct flights from South Dakota to Sofia. There are no popular flight routes from South Dakota to Sofia.
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  • When did momondo last update prices for flights from South Dakota to Sofia Airport?

    Prices for flights from South Dakota to Sofia Airport are updated daily.

  • How old do you have to be to fly from South Dakota to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from South Dakota to Sofia?

    Price Alerts will notify you by email when the price for flights to Sofia from South Dakota decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from South Dakota to Sofia with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from South Dakota.

Can I find flights from South Dakota to Sofia with flexible booking policies on momondo?

All flight searches from South Dakota to Sofia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from South Dakota to Sofia?

momondo provides multiple filters to help you find the best flight to Sofia from South Dakota. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from South Dakota to Sofia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of South Dakota to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.
First Class to Sofia
Business Class to Sofia