Latest deals
FAQs
Price Alerts

Cheap flights from South Dakota to Sofia 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 Sofia 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 Sofia

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
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
$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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from South Dakota to Sofia

Our best United Airlines deals on South Dakota to Sofia 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 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 August 15, 2026.
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

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

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

$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 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

13h 59m

Direct flights

None
The fastest flight from South Dakota to Sofia takes 13h 59m
There are no direct flights from South Dakota to Sofia. There are no popular flight routes from South Dakota to Sofia.
Search flight deals

Frequently asked questions about flying from South Dakota to Sofia

  • 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.

Frequently asked questions about flying from South Dakota to Sofia

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

    Price Alerts will notify you by email when the price for flights to Sofia from South Dakota decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

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