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Bulgaria

$238+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SOF
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$492
(FlightHub)

One-way from

$238
(Kiwi.com)

Popular in

June

Cheapest in

March
Provider with most accurate pricing for Austin Bergstrom-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Sofia flights.
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From Austin Bergstrom to Bulgaria
Search Deals
One-way flight from Austin Bergstrom to Bulgaria
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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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 January 20, 2026.

This FlightHub deal was found by Cheapflights users on 1/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:57 pm
AUS
-
SOF
2 stops22h 13m
Lufthansa
Fri 5/86:20 am
SOF
-
AUS
1 stop15h 40m
Lufthansa
Deal found 1/19$492
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/1011:20 am
AUS
-
SOF
2 stops17h 55m
United Airlines
Tue 2/246:00 am
SOF
-
AUS
1 stop16h 15m
United Airlines
Deal found 1/19$501
This FlightHub deal was found by Cheapflights users on 1/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
AUS
-
SOF
1 stop13h 15m
Lufthansa
Fri 5/16:20 am
SOF
-
AUS
1 stop15h 40m
Lufthansa
Deal found 1/18$502
This Mytrip deal was found by Cheapflights users on 1/19. 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 2/104:10 pm
AUS
-
SOF
1 stop13h 35m
Lufthansa
Tue 2/246:00 am
SOF
-
AUS
1 stop16h 15m
Lufthansa
Deal found 1/19$507
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:40 am
AUS
-
SOF
2 stops29h 30m
Multiple Airlines
Fri 5/812:55 pm
SOF
-
AUS
2 stops39h 20m
Multiple Airlines
Deal found 1/19$510
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Mon 3/305:30 am
AUS
-
SOF
2 stops29h 10m
United Airlines
Fri 5/16:20 am
SOF
-
AUS
2 stops21h 07m
United Airlines
Deal found 1/18$516
This Mytrip deal was found by Cheapflights users on 1/19. 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 2/107:25 am
AUS
-
SOF
3 stops20h 25m
Multiple Airlines
Tue 2/247:55 am
SOF
-
AUS
2 stops23h 26m
Multiple Airlines
Deal found 1/19$537
This Air Canada deal was found by Cheapflights users on 1/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:30 am
AUS
-
SOF
2 stops18h 20m
Air Canada
Mon 3/91:45 pm
SOF
-
AUS
2 stops53h 34m
Air Canada
Deal found 1/17$552
This United Airlines deal was found by Cheapflights users on 1/17. 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.
Thu 3/57:30 am
AUS
-
SOF
2 stops22h 20m
United Airlines
Mon 3/92:20 pm
SOF
-
AUS
1 stop31h 55m
United Airlines
Deal found 1/17$553
This FlightHub deal was found by Cheapflights users on 1/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:50 am
AUS
-
SOF
2 stops20h 00m
Lufthansa
Sun 3/86:10 am
SOF
-
AUS
1 stop16h 05m
Lufthansa
Deal found 1/18$554

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 January 20, 2026.
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

Mon 4/20

4:57 pm-11:10 pm

2 stops22h 13m

Sofia

Fri 5/8

6:20 am-2:00 pm

1 stop15h 40m

$492

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 2/10

11:20 am-1:15 pm

2 stops17h 55m

Sofia

Tue 2/24

6:00 am-2:15 pm

1 stop16h 15m

$501

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 3/30

4:05 pm-1:20 pm

1 stop13h 15m

Sofia

Fri 5/1

6:20 am-2:00 pm

1 stop15h 40m

$502

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

9:40 am-11:10 pm

2 stops29h 30m

Sofia

Fri 5/8

12:55 pm-8:15 pm

2 stops39h 20m

$510

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 3/30

5:30 am-6:40 pm

2 stops29h 10m

Sofia

Fri 5/1

6:20 am-7:27 pm

2 stops21h 07m

$516

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 2/10

7:25 am-11:50 am

3 stops20h 25m

Sofia

Tue 2/24

7:55 am-11:21 pm

2 stops23h 26m

$537

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

11:30 am-1:50 pm

2 stops18h 20m

Sofia

Mon 3/9

1:45 pm-12:19 pm

2 stops53h 34m

$552

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 2/1

7:26 pm-10:40 am

3 stops55h 14m

$238

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 2/1

4:10 pm-1:35 pm

1 stop13h 25m

$423

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sat 6/6

1:41 pm-8:10 am

3 stops58h 29m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 15 results
1
2

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

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 January 20, 2026.
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
9,183 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,183 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,732 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Austin to Bulgaria?

    Lufthansa and United Airlines can get you from Austin to Bulgaria in just under 17h 55m. Your travel time can differ by up to 4h 18m. Airlines will cover a distance of 6162 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$639Average$892FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$954Average$1,260FlexibilityNo cancel feeOn-time69%

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