What is the cheapest month to book a flight from Sioux Falls to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from Sioux Falls to Bulgaria (average of $632). Flying from Sioux Falls to Bulgaria in June is currently the most expensive (average of $1,187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from FSD to BG?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to Bulgaria as you normally would.

What airport do you fly from for flights from Sioux Falls to Bulgaria?

Located just 2.6 mi from the city center, Sioux Falls Joe Foss Field (FSD) is the airport most travelers will use when flying to Bulgaria from Sioux Falls.

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

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

How can I find direct flights from Sioux Falls to Bulgaria?

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

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

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

$666+ Flights from Sioux Falls to Bulgaria

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Cheap flight deals from Sioux Falls to Bulgaria

Round-trip from	$666 (United Airlines)

From Sioux Falls Joe Foss Field to Bulgaria

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Find flight deals from Sioux Falls to Bulgaria

Cheapest flights from Sioux Falls to Bulgaria
Explore the most affordable flight options available from Sioux Falls to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Wed 11/193:15 pmFSD - SOF

2 stops23h 30mUnited Airlines

Sun 11/236:15 amSOF - FSD

2 stops22h 16mUnited Airlines

Deal found 7/27

$666

Best flights from Sioux Falls to Bulgaria
Discover carefully curated flight deals from Sioux Falls to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Wed 11/193:15 pmFSD - SOF

2 stops23h 30mUnited Airlines

Sun 11/236:15 amSOF - FSD

2 stops22h 16mUnited Airlines

Deal found 7/27

$666

Cheapflights Fare Finder

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

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.

Deals found on 7/27

Best time to book a flight from Sioux Falls to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Bulgaria

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Bulgaria

Get a feel of what it's like to fly with United Airlines from Sioux Falls to Bulgaria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly from for flights from Sioux Falls to Bulgaria?
Located just 2.6 mi from the city center, Sioux Falls Joe Foss Field (FSD) is the airport most travelers will use when flying to Bulgaria from Sioux Falls.
Can I find deals for flights from Sioux Falls to Bulgaria that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Bulgaria?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Bulgaria.
Can I find deals for business class flights from Sioux Falls to Bulgaria?
Yes. Cheapflights offers flight deals from Sioux Falls to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux Falls to Bulgaria?
Currently, November is the cheapest month in which you can book a flight from Sioux Falls to Bulgaria (average of $632). Flying from Sioux Falls to Bulgaria in June is currently the most expensive (average of $1,187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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$666+ Cheap flights from Sioux Falls (FSD) to Bulgaria

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.

Find cheap flights from Sioux Falls to Bulgaria with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Bulgaria

Keep the following information in mind while searching for Sioux Falls to Bulgaria flight deals. Data was last updated July 30, 2025.

Round-trip from

Find flight deals from Sioux Falls to Bulgaria

Cheapest flights from Sioux Falls to BulgariaExplore the most affordable flight options available from Sioux Falls to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Sioux Falls to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Bulgaria that are best for you.

Best time to book a flight from Sioux Falls to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Sioux Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Bulgaria

Reviews of airlines servicing Bulgaria

Get a feel of what it's like to fly with United Airlines from Sioux Falls to Bulgaria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Sioux Falls to Bulgaria?

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

How can I find direct flights from Sioux Falls to Bulgaria?

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

What is the cheapest month to book a flight from Sioux Falls to Bulgaria?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Sioux Falls to Bulgaria
Explore the most affordable flight options available from Sioux Falls to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.