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Cheap flights from South Dakota to Bulgaria 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 Bulgaria 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.
1 adult
0 bags

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Find the cheapest flights from South Dakota to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:21 am - 10:45 pm
FSD
-
SOF
27h 24m
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
United Airlines Logo
11:21 am - 10:45 pm
FSD
-
SOF
27h 24m
2 stops
United Airlines Logo
2:00 pm - 11:49 pm
SOF
-
FSD
17h 49m
2 stops
$1,208United Airlines
Wed, Feb 18 - Sun, Feb 22
United Airlines Logo
11:21 am - 1:50 pm
FSD
-
SOF
18h 29m
2 stops
United Airlines Logo
6:10 am - 8:39 pm
SOF
-
FSD
22h 29m
2 stops
$1,219United Airlines
Wed, Feb 18 - Sun, Feb 22

United Airlines flights from South Dakota to Bulgaria

Our best United Airlines deals on South Dakota to Bulgaria flight tickets
United Airlines
Feb 18
FSD11:21 amSioux Falls Joe Foss Field
27h 24m
2 stops
SOF10:45 pmSofia
Feb 22
SOF6:05 amSofia
23h 52m
2 stops
FSD9:57 pmSioux Falls Joe Foss Field
$749
United Airlines
Feb 18
FSD11:21 amSioux Falls Joe Foss Field
27h 24m
2 stops
SOF10:45 pmSofia
Feb 22
SOF2:00 pmSofia
17h 49m
2 stops
FSD11:49 pmSioux Falls Joe Foss Field
$1,208
United Airlines
Feb 18
FSD11:21 amSioux Falls Joe Foss Field
18h 29m
2 stops
SOF1:50 pmSofia
Feb 22
SOF6:10 amSofia
22h 29m
2 stops
FSD8:39 pmSioux Falls Joe Foss Field
$1,219

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Bulgaria 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 8, 2026.
Use the filters below to find and compare flights from South Dakota to Bulgaria 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-10:45 pm

2 stops27h 24m

Sofia

Sun 2/22

6:05 am-9:57 pm

2 stops23h 52m

$749

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 2/18

11:21 am-10:45 pm

2 stops27h 24m

Sofia

Sun 2/22

2:00 pm-11:49 pm

2 stops17h 49m

$1,208

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 2/18

11:21 am-1:50 pm

2 stops18h 29m

Sofia

Sun 2/22

6:10 am-8:39 pm

2 stops22h 29m

$1,219

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap South Dakota to Bulgaria flight deals and tips

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

Fastest flight time

18h 29m

Direct flights

None
The fastest flight from South Dakota to Bulgaria takes 18h 29m
There are no direct flights from South Dakota to Bulgaria. There are no popular flight routes from South Dakota to Bulgaria.
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  • When did momondo last update prices for flights from South Dakota to Bulgaria?

    Prices for flights from South Dakota to Bulgaria are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

    Confirm your travel details to search for the latest offers for flights from South Dakota to Bulgaria. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from South Dakota to Bulgaria for you.

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

Yes. momondo enables you to select and highlight flights to Bulgaria from South Dakota with this policy.

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

Once you have performed a search for South Dakota to Bulgaria flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from South Dakota to Bulgaria now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bulgaria and let you know when they change.

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