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Sofia

$521+ Cheap flights from Austin (AUS) to Sofia (SOF)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SOF
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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Cheap flight deals from Austin to Sofia

Cheapest flights from Austin to Sofia
Explore the most affordable flight options available from Austin to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.

This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:35 am -
2 stops16h 35m
Tue 11/36:25 am -
1 stop15h 40m
Deal found 8/7$781
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:05 pm -
1 stop22h 45m
Tue 11/36:25 am -
1 stop15h 40m
Deal found 8/7$784
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:04 pm -
2 stops18h 16m
Thu 11/56:25 am -
1 stop15h 40m
Deal found 8/7$826
This Expedia deal was found by Cheapflights users on 8/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:04 pm -
2 stops22h 51m
Thu 11/52:10 pm -
2 stops29h 01m
Deal found 8/7$833
This Air Canada deal was found by Cheapflights users on 8/7. 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.
Tue 10/2010:25 am -
2 stops24h 15m
Tue 11/36:25 am -
3 stops36h 46m
Deal found 8/7$862
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Fri 9/412:12 pm -
2 stops27h 03m
Fri 9/116:20 am -
1 stop15h 40m
Deal found 8/7$882
This oojo deal was found by Cheapflights users on 8/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:05 pm -
1 stop17h 55m
Mon 9/282:20 pm -
1 stop31h 40m
Deal found 8/7$883
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 12/265:40 pm -
3 stops35h 35m
Fri 1/12:10 pm -
2 stops29h 10m
Deal found 8/6$889
This United Airlines deal was found by Cheapflights users on 8/6. 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 12/243:55 pm -
1 stop13h 30m
Tue 1/52:10 pm -
2 stops29h 10m
Deal found 8/6$930

Find flight deals from Austin to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$727
(Expedia)
Provider with most accurate pricing for Austin Bergstrom-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Sofia flights.
Search Deals
From Austin Bergstrom to Sofia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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, Cheapflights users made 2,558,603 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Austin to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AustinSofia

AUS Austin Bergstrom - SOF Sofia

AUSSOF

Austin Bergstrom

Sun 1/17

10:34 am-1:15 pm

2 stops18h 41m

Sofia

Thu 1/21

6:25 am-2:05 pm

1 stop15h 40m

$742

AustinSofia

AUS Austin Bergstrom - SOF Sofia

AUSSOF

Austin Bergstrom

Thu 12/24

7:25 pm-11:00 pm

2 stops43h 35m

Sofia

Tue 1/5

6:25 am-11:20 am

2 stops36h 55m

$946

AustinSofia

AUS Austin Bergstrom - SOF Sofia

AUSSOF

Austin Bergstrom

Sun 8/23

5:55 pm-7:20 pm

1 stop17h 25m

Sofia

Mon 9/7

8:10 pm-3:25 pm

1 stop27h 15m

$960
Cheapest one-way

AustinSofia

AUS Austin Bergstrom - SOF Sofia

AUSSOF

Austin Bergstrom

Thu 9/3

7:10 pm-1:15 am

2 stops46h 05m

$592
Quickest one-way

AustinSofia

AUS Austin Bergstrom - SOF Sofia

AUSSOF

Austin Bergstrom

Fri 9/4

4:05 pm-10:30 pm

1 stop22h 25m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Sorted by cheapest first

Compare providers for flights from Austin to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Sofia in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Sofia

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

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated August 10, 2026.
Peruse reviews from past customers who have flown with Lufthansa from Austin to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
8,174 reviews

Comfort

6.8

Food

6.3

Overall

6.8

Boarding

7.0

Entertainment

6.5

Crew

7.6

Reviews

1 / 20
6.0
Good

Kunal,Jul 2026

LAX - MUC

The flight was delayed from Munich to Thira, the wait was very annoying and frustrating
Lufthansa
6.8
Okay
8,174 reviews
Lufthansa
6.8
Okay
8,174 reviews

Comfort

6.8

Food

6.3

Overall

6.8

Boarding

7.0

Entertainment

6.5

Crew

7.6

Reviews

1 / 20
6.0
Good

Kunal,Jul 2026

LAX - MUC

The flight was delayed from Munich to Thira, the wait was very annoying and frustrating

Related info for your journey

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

  • How long is the flight from Austin to Sofia?

    There are many flights that can get you from Austin to Sofia in 18h 41m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 6162 mi.

  • What is the cheapest airline to fly from Austin to Sofia round-trip?

    Lufthansa, at $862, was found to be the cheapest airline from Austin to Sofia..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Sofia 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
Sofia Airport car rentals
Plovdiv Airport car rentals

Top airline flying from Austin to Sofia

Discover the top airline that operate flights from Austin to Sofia. 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$862Average$1,099FlexibilityNo cancel feeOn-time76%

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