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Cheap flights from South Dakota to Bulgaria from $778

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 12/6. 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
1:45 pm - 10:45 pm
FSD
-
SOF
25h 00m
2 stops
United Airlines Logo
6:25 am - 11:36 pm
SOF
-
FSD
25h 11m
2 stops
$778United Airlines
Sun, Dec 6 - Wed, Dec 9
Multiple Airlines Logo
1:00 pm - 2:00 pm
FSD
-
SOF
41h 00m
2 stops
Multiple Airlines Logo
7:00 am - 7:59 pm
SOF
-
FSD
44h 59m
2 stops
$1,229Multiple Airlines
Wed, Jul 15 - Thu, Aug 6
Lufthansa Logo
1:18 pm - 6:40 pm
FSD
-
SOF
21h 22m
2 stops
Lufthansa Logo
7:25 pm - 11:31 pm
SOF
-
FSD
36h 06m
2 stops
$1,283Lufthansa
Wed, Jul 15 - Thu, Aug 6
Lufthansa Logo
3:07 pm - 10:50 pm
FSD
-
SOF
23h 43m
2 stops
Lufthansa Logo
6:10 am - 8:08 pm
SOF
-
FSD
21h 58m
2 stops
$1,288Lufthansa
Wed, Jul 15 - Thu, Aug 6
United Airlines Logo
1:18 pm - 10:50 pm
FSD
-
SOF
25h 32m
2 stops
United Airlines Logo
2:10 pm - 11:31 pm
SOF
-
FSD
41h 21m
2 stops
$1,331United Airlines
Wed, Jul 15 - Thu, Aug 6
Lufthansa Logo
6:28 pm - 6:25 pm
FSD
-
SOF
39h 57m
2 stops
Lufthansa Logo
7:25 pm - 11:31 pm
SOF
-
FSD
36h 06m
2 stops
$1,374Lufthansa
Wed, Jul 15 - Thu, Aug 6
Multiple Airlines Logo
7:06 am - 6:25 pm
FSD
-
SOF
27h 19m
2 stops
Multiple Airlines Logo
9:45 am - 11:36 am
SOF
-
FSD
33h 51m
3 stops
$3,122Multiple Airlines
Wed, Jul 15 - Thu, Aug 6
Multiple Airlines Logo
7:06 am - 6:25 pm
FSD
-
SOF
27h 19m
2 stops
Multiple Airlines Logo
9:45 am - 11:36 am
SOF
-
FSD
33h 51m
3 stops
$3,202Multiple Airlines
Wed, Jul 15 - Thu, Aug 6
Multiple Airlines Logo
7:06 am - 6:25 pm
FSD
-
SOF
27h 19m
2 stops
Multiple Airlines Logo
9:45 am - 11:36 am
SOF
-
FSD
33h 51m
3 stops
$3,596Multiple Airlines
Wed, Jul 15 - Thu, Aug 6
Multiple Airlines Logo
12:00 pm - 6:25 pm
FSD
-
SOF
22h 25m
3 stops
Multiple Airlines Logo
9:45 am - 11:36 am
SOF
-
FSD
33h 51m
3 stops
$4,197Multiple Airlines
Wed, Jul 15 - Thu, Aug 6

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Lufthansa flights from South Dakota to Bulgaria

Our best Lufthansa deals on South Dakota to Bulgaria flight tickets
Lufthansa
Jul 15
FSD1:18 pmSioux Falls Joe Foss Field
21h 22m
2 stops
SOF6:40 pmSofia
Aug 6
SOF7:25 pmSofia
36h 06m
2 stops
FSD11:31 pmSioux Falls Joe Foss Field
$1,283
Lufthansa
Jul 15
FSD3:07 pmSioux Falls Joe Foss Field
23h 43m
2 stops
SOF10:50 pmSofia
Aug 6
SOF6:10 amSofia
21h 58m
2 stops
FSD8:08 pmSioux Falls Joe Foss Field
$1,288
Lufthansa
Jul 15
FSD6:28 pmSioux Falls Joe Foss Field
39h 57m
2 stops
SOF6:25 pmSofia
Aug 6
SOF7:25 pmSofia
36h 06m
2 stops
FSD11:31 pmSioux Falls Joe Foss Field
$1,374

United Airlines flights from South Dakota to Bulgaria

Our best United Airlines deals on South Dakota to Bulgaria flight tickets
United Airlines
Dec 6
FSD1:45 pmSioux Falls Joe Foss Field
25h 00m
2 stops
SOF10:45 pmSofia
Dec 9
SOF6:25 amSofia
25h 11m
2 stops
FSD11:36 pmSioux Falls Joe Foss Field
$778
United Airlines
Jul 15
FSD1:18 pmSioux Falls Joe Foss Field
25h 32m
2 stops
SOF10:50 pmSofia
Aug 6
SOF2:10 pmSofia
41h 21m
2 stops
FSD11:31 pmSioux Falls Joe Foss Field
$1,331

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 July 1, 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 - SOF

FSDSOF

Sioux Falls Joe Foss Field

Sun 12/6

1:45 pm-10:45 pm

2 stops25h 00m

Sofia

Wed 12/9

6:25 am-11:36 pm

2 stops25h 11m

$778

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

1:00 pm-2:00 pm

2 stops41h 00m

Sofia

Thu 8/6

7:00 am-7:59 pm

2 stops44h 59m

$1,229

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

1:18 pm-6:40 pm

2 stops21h 22m

Sofia

Thu 8/6

7:25 pm-11:31 pm

2 stops36h 06m

$1,283
Quickest round-trip

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

3:07 pm-10:50 pm

2 stops23h 43m

Sofia

Thu 8/6

6:10 am-8:08 pm

2 stops21h 58m

$1,288

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

1:18 pm-10:50 pm

2 stops25h 32m

Sofia

Thu 8/6

2:10 pm-11:31 pm

2 stops41h 21m

$1,331

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

6:28 pm-6:25 pm

2 stops39h 57m

Sofia

Thu 8/6

7:25 pm-11:31 pm

2 stops36h 06m

$1,374

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

7:06 am-6:25 pm

2 stops27h 19m

Sofia

Thu 8/6

9:45 am-11:36 am

3 stops33h 51m

$3,122

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

7:06 am-6:25 pm

2 stops27h 19m

Sofia

Thu 8/6

9:45 am-11:36 am

3 stops33h 51m

$3,202

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

7:06 am-6:25 pm

2 stops27h 19m

Sofia

Thu 8/6

9:45 am-11:36 am

3 stops33h 51m

$3,596

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 7/15

12:00 pm-6:25 pm

3 stops22h 25m

Sofia

Thu 8/6

9:45 am-11:36 am

3 stops33h 51m

$4,197

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

21h 22m

Direct flights

None
The fastest flight from South Dakota to Bulgaria takes 21h 22m
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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