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Cheap flights from South Dakota to Bulgaria from $779

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 2/1. 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
1 adult, Economy, 0 bags

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
11:20 am - 1:15 pmFSD  Sioux Falls Joe Foss Field-SOF Sofia
17h 55m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 11:36 pmSOF  Sofia-FSD Sioux Falls Joe Foss Field
25h 11m2 stops Frankfurt am Main Chicago O'Hare Intl
$779United Airlines
Mon, Feb 1 - Thu, Feb 4
United Airlines Logo
3:16 pm - 1:15 pmFSD  Sioux Falls Joe Foss Field-SOF Sofia
13h 59m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 10:56 pmSOF  Sofia-FSD Sioux Falls Joe Foss Field
24h 31m2 stops Frankfurt am Main Denver Intl
$780United Airlines
Sun, Jan 10 - Tue, Jan 12
United Airlines Logo
7:40 am - 1:25 pmFSD  Sioux Falls Joe Foss Field-SOF Sofia
21h 45m3 stops Chicago O'Hare Intl Philadelphia Frankfurt am Main
United Airlines Logo
6:25 am - 8:46 pmSOF  Sofia-FSD Sioux Falls Joe Foss Field
22h 21m2 stops Frankfurt am Main Denver Intl
$792United Airlines
Sun, Jan 10 - Tue, Jan 12
United Airlines Logo
11:20 am - 10:55 pmFSD  Sioux Falls Joe Foss Field-SOF Sofia
27h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
2:00 pm - 11:36 pmSOF  Sofia-FSD Sioux Falls Joe Foss Field
41h 36m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$792United Airlines
Sun, Jan 10 - Tue, Jan 12
United Airlines Logo
7:40 am - 1:25 pmFSD  Sioux Falls Joe Foss Field-SOF Sofia
21h 45m3 stops Chicago O'Hare Intl Philadelphia Frankfurt am Main
United Airlines Logo
6:25 am - 8:46 pmSOF  Sofia-FSD Sioux Falls Joe Foss Field
22h 21m2 stops Frankfurt am Main Denver Intl
$878United Airlines
Sun, Jan 10 - Tue, Jan 12

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United Airlines flights from South Dakota to Bulgaria

Our best United Airlines deals on South Dakota to Bulgaria flight tickets
United Airlines
Feb 1
FSD11:20 amSioux Falls Joe Foss Field
17h 55m
2 stops
SOF1:15 pmSofia
Feb 4
SOF6:25 amSofia
25h 11m
2 stops
FSD11:36 pmSioux Falls Joe Foss Field
$779
United Airlines
Jan 10
FSD3:16 pmSioux Falls Joe Foss Field
13h 59m
2 stops
SOF1:15 pmSofia
Jan 12
SOF6:25 amSofia
24h 31m
2 stops
FSD10:56 pmSioux Falls Joe Foss Field
$780
United Airlines
Jan 10
FSD7:40 amSioux Falls Joe Foss Field
21h 45m
3 stops
SOF1:25 pmSofia
Jan 12
SOF6:25 amSofia
22h 21m
2 stops
FSD8:46 pmSioux Falls Joe Foss Field
$792

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 August 15, 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

Cheapest round-trip

Sioux FallsSofia

FSD Sioux Falls Joe Foss Field - SOF Sofia

FSDSOF

Sioux Falls Joe Foss Field

Mon 2/1

11:20 am-1:15 pm

2 stops17h 55m

Sofia

Thu 2/4

6:25 am-11:36 pm

2 stops25h 11m

$779
Quickest round-trip

Sioux FallsSofia

FSD Sioux Falls Joe Foss Field - SOF Sofia

FSDSOF

Sioux Falls Joe Foss Field

Sun 1/10

3:16 pm-1:15 pm

2 stops13h 59m

Sofia

Tue 1/12

6:25 am-10:56 pm

2 stops24h 31m

$780

Sioux FallsSofia

FSD Sioux Falls Joe Foss Field - SOF Sofia

FSDSOF

Sioux Falls Joe Foss Field

Sun 1/10

7:40 am-1:25 pm

3 stops21h 45m

Sofia

Tue 1/12

6:25 am-8:46 pm

2 stops22h 21m

$792

Sioux FallsSofia

FSD Sioux Falls Joe Foss Field - SOF Sofia

FSDSOF

Sioux Falls Joe Foss Field

Sun 1/10

11:20 am-10:55 pm

2 stops27h 35m

Sofia

Tue 1/12

2:00 pm-11:36 pm

2 stops41h 36m

$792

Sioux FallsSofia

FSD Sioux Falls Joe Foss Field - SOF Sofia

FSDSOF

Sioux Falls Joe Foss Field

Sun 1/10

7:40 am-1:25 pm

3 stops21h 45m

Sofia

Tue 1/12

6:25 am-8:46 pm

2 stops22h 21m

$878

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

13h 59m

Direct flights

None
The fastest flight from South Dakota to Bulgaria takes 13h 59m
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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Frequently asked questions about flying from South Dakota to Bulgaria

  • 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.

Frequently asked questions about flying from South Dakota to Bulgaria

  • 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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Find better results for your trip to Bulgaria

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