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Bulgaria

$564+ Cheap flights from Austin (AUS) to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SOF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Austin to Bulgaria

Keep the following information in mind while searching for Austin to Bulgaria flight deals. Data was last updated August 18, 2025.

Round-trip from

$874
(Mytrip)

One-way from

$564
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$687
From Austin Bergstrom to Bulgaria
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One-way flight from Austin Bergstrom to Bulgaria
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($320 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Austin to Bulgaria

Cheapest flights from Austin to Bulgaria
Explore the most affordable flight options available from Austin to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:45 amAUS - SOF
3 stops28h 10mMultiple Airlines
Tue 10/72:35 pmSOF - AUS
2 stops28h 42mMultiple Airlines
Deal found 8/16$874
This Ovago deal was found by Cheapflights users on 8/17. 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.
Wed 8/2010:00 amAUS - SOF
2 stops18h 00mLufthansa
Fri 8/226:15 amSOF - AUS
1 stop16h 05mLufthansa
Deal found 8/17$1,278
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/207:00 amAUS - SOF
3 stops22h 15mUnited Airlines
Fri 8/226:15 amSOF - AUS
2 stops23h 05mUnited Airlines
Deal found 8/17$1,431
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/154:05 pmAUS - SOF
1 stop17h 45mLufthansa
Fri 9/196:15 amSOF - AUS
1 stop16h 05mLufthansa
Deal found 8/17$1,541

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Austin to Bulgaria that are best for you.

Fly from

Austin

Fly to

Bulgaria

Route

Depart

Return

Price

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 9/30

5:45 am-5:55 pm

3 stops28h 10m

Sofia

Tue 10/7

2:35 pm-11:17 am

2 stops28h 42m

$874

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 9/15

4:05 pm-10:50 pm

1 stop22h 45m

Sofia

Fri 9/19

6:15 am-2:20 pm

1 stop16h 05m

$1,541

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 9/15

12:10 pm-12:00 pm

2 stops15h 50m

Sofia

Fri 9/19

6:15 am-9:20 pm

3 stops23h 05m

$1,675

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sat 8/30

4:36 pm-2:00 pm

3 stops37h 24m

$564

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sat 8/30

4:05 pm-10:50 pm

1 stop22h 45m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Best time to book a flight from Austin to Bulgaria

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

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

Find hourly flight availability from Austin to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Austin to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated August 18, 2025.
See what other customers who have flown with United Airlines and Lufthansa from Austin to Bulgaria have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

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??
Lufthansa
6.8
Okay
7,330 reviews
United Airlines
7.4
Good
8,925 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

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

Find useful and relevant information for your journey from Austin 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 Austin to Bulgaria?

    Austin Bergstrom (AUS) is the airport you will fly out of if you book a flight from Austin to Bulgaria. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.

  • Can I find deals for flights from Austin to Bulgaria that include hotel bookings?

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

  • How can I find direct flights from Austin to Bulgaria?

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

  • Can I find deals for business class flights from Austin to Bulgaria?

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Austin to Bulgaria (average of $632). Flying from Austin to Bulgaria in June is currently the most expensive (average of $1,186). 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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Top 2 airlines flying from Austin to Bulgaria

Discover the top 2 airlines that operate flights from Austin to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$639Average$968FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$927Average$1,086FlexibilityNo cancel feeOn-time69%

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