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Cheap flights from South Dakota to Sofia from $546

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 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
7:30 am - 6:20 pm
FSD
-
SOF
26h 50m2 stops
United Airlines Logo
6:00 am - 5:18 pm
SOF
-
FSD
19h 18m2 stops
$546United Airlines
ven., janv. 30 - mar., févr. 3
United Airlines Logo
7:30 am - 1:35 pm
FSD
-
SOF
22h 05m3 stops
United Airlines Logo
6:00 am - 8:24 pm
SOF
-
FSD
22h 24m2 stops
$989United Airlines
ven., janv. 30 - mar., févr. 3

United Airlines flights from South Dakota to Sofia

Our best United Airlines deals on South Dakota to Sofia flight tickets
United Airlines
Jan 30
FSD7:30 amSioux Falls Joe Foss Field
26h 50m
2 stops
SOF6:20 pmSofia
Feb 3
SOF6:00 amSofia
19h 18m
2 stops
FSD5:18 pmSioux Falls Joe Foss Field
$546
Find similar
United Airlines
Jan 30
FSD7:30 amSioux Falls Joe Foss Field
22h 05m
3 stops
SOF1:35 pmSofia
Feb 3
SOF6:00 amSofia
22h 24m
2 stops
FSD8:24 pmSioux Falls Joe Foss Field
$989
Find similar

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 décembre 23, 2025.
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

ven. 1/30

7:30 am-6:20 pm

2 stops26h 50m

Sofia

mar. 2/3

6:00 am-5:18 pm

2 stops19h 18m

$546

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

ven. 1/30

7:30 am-1:35 pm

3 stops22h 05m

Sofia

mar. 2/3

6:00 am-8:24 pm

2 stops22h 24m

$989

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

How to get the cheapest flight ticket from South Dakota to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from South Dakota. The lowest ticket price found for a Saturday departure recently was $912. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from South Dakota to Sofia on a Tuesday will generally be more expensive and average around $987. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the morning is the cheapest time of day to fly from South Dakota to Sofia when you can find flight prices for as low as $923. Flying to Sofia in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $926 per ticket.

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 58m

Direct flights

None
The fastest flight from South Dakota to Sofia takes 22h 58m
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.

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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1 adult
jeu. 1/22
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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