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$655+ Cheap flights from Sioux Falls (FSD) to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SOF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Sioux Falls to Sofia

Cheapest flights from Sioux Falls to Sofia
Explore the most affordable flight options available from Sioux Falls to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:00 amFSD - SOF
2 stops26h 00mUnited Airlines
Sun 11/236:10 amSOF - FSD
2 stops22h 13mUnited Airlines
Deal found 10/27$655
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:00 amFSD - SOF
2 stops20h 35mUnited Airlines
Tue 1/136:00 amSOF - FSD
2 stops25h 44mUnited Airlines
Deal found 10/28$760
This Ovago deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:08 pmFSD - SOF
2 stops20h 37mLufthansa
Tue 1/132:00 pmSOF - FSD
2 stops38h 39mLufthansa
Deal found 10/26$826
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:21 pmFSD - SOF
2 stops45h 24mUnited Airlines
Tue 1/136:00 amSOF - FSD
2 stops25h 44mUnited Airlines
Deal found 10/28$867

Cheap flight deals from Sioux Falls to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$655
(United Airlines)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Sofia flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Sofia flights.
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From Sioux Falls Joe Foss Field to Sofia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Sioux Falls to Sofia that are best for you.

Fly from

Sioux Falls

Fly to

Sofia

Route

Depart

Return

Price

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 11/19

8:00 am-6:00 pm

2 stops26h 00m

Sofia

Sun 11/23

6:10 am-11:44 pm

2 stops25h 34m

$655

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Sun 12/14

9:00 am-1:35 pm

2 stops20h 35m

Sofia

Tue 1/13

6:00 am-11:44 pm

2 stops25h 44m

$760

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Sun 12/14

6:08 pm-10:45 pm

2 stops20h 37m

Sofia

Tue 1/13

2:00 pm-8:39 pm

2 stops38h 39m

$826

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Sat 12/13

5:21 pm-10:45 pm

2 stops45h 24m

Sofia

Tue 1/13

6:00 am-8:39 pm

2 stops22h 39m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Sioux Falls to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Sofia in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-Sofia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux Falls-Sofia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux Falls-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Sofia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Sioux Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sioux Falls to Sofia?

    For as low as $826, United Airlines can have you in Sofia from Sioux Falls in 20h 37m. There are 5417 mi between Sioux Falls and Sofia. This flight may include one or multiple stops.

  • Can I find deals for flights from Sioux Falls to Sofia that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Sofia.

  • Can I find deals for business class flights from Sioux Falls to Sofia?

    Yes. Cheapflights offers flight deals from Sioux Falls to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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