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Cheap flights from Sioux Falls to Bulgaria from $665

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Bulgaria departing on 11/19. 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 Sioux Falls to Bulgaria

Cheap round-trip flights

United Airlines Logo
8:00 am - 6:20 pmFSD-SOF
26h 20m2 stops
United Airlines Logo
6:15 am - 8:31 pmSOF-FSD
22h 16m2 stops
$665United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23
United Airlines Logo
3:15 pm - 10:45 pmFSD-SOF
23h 30m2 stops
United Airlines Logo
6:15 am - 8:31 pmSOF-FSD
22h 16m2 stops
$666United Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 23

United Airlines flights from Sioux Falls to Bulgaria

Our best United Airlines deals on Sioux Falls to Bulgaria flight tickets
United Airlines
Nov 19
FSD8:00 amSioux Falls Joe Foss Field
26h 20m
2 stops
SOF6:20 pmSofia
Nov 23
SOF6:15 amSofia
22h 16m
2 stops
FSD8:31 pmSioux Falls Joe Foss Field
$665
Find similar
United Airlines
Nov 19
FSD3:15 pmSioux Falls Joe Foss Field
23h 30m
2 stops
SOF10:45 pmSofia
Nov 23
SOF6:15 amSofia
22h 16m
2 stops
FSD8:31 pmSioux Falls Joe Foss Field
$666
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 31, 2025.
Use the filters below to find and compare flights from Sioux Falls 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 11/19

8:00 am-6:20 pm

2 stops26h 20m

Sofia

Sun 11/23

6:15 am-8:31 pm

2 stops22h 16m

$665

Sioux FallsSofia

FSD - SOF

FSDSOF

Sioux Falls Joe Foss Field

Wed 11/19

3:15 pm-10:45 pm

2 stops23h 30m

Sofia

Sun 11/23

6:15 am-8:31 pm

2 stops22h 16m

$666

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Sioux Falls to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from Sioux Falls to Bulgaria is on a Saturday when prices can be found for as low as $912. On the other hand, Tuesday is the most expensive day to depart from Sioux Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $987.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the morning is the cheapest time of day to fly from Sioux Falls to Bulgaria when you can find flight prices for as low as $923. Flying to Bulgaria in the morning is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of $926. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Sioux Falls to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Bulgaria

Best Price Found

$665

Fastest flight time

23h 30m

Direct flights

None

Airports in Bulgaria

1 airport
The best flight deal from Sioux Falls to Bulgaria found on momondo in the last 72 hours is $665
The fastest flight from Sioux Falls to Bulgaria takes 23h 30m
There are no direct flights from Sioux Falls to Bulgaria. Popular non-direct route for this connection is Sioux Falls Joe Foss Field Airport - Sofia Airport.
There is 1 airport near Bulgaria: Sofia (SOF)
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  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Bulgaria?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Bulgaria refresh daily.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Bulgaria?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Bulgaria.

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

    The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Bulgaria?

Finding the right flight to Bulgaria from Sioux Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

Can I find flights from Sioux Falls to Bulgaria with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sioux Falls to Bulgaria flights to just show those with flexible booking policies.

How can momondo help me find flights from Sioux Falls to Bulgaria?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from Sioux Falls.

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

If you are not ready to book a flight from Sioux Falls 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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