HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$387+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SOF
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 2, 2025.

Round-trip from

$610
(Gotogate)

One-way from

$387
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,130
From Austin Bergstrom to Sofia
Search Deals
One-way flight from Austin Bergstrom to Sofia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($261 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 July 2, 2025.

This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:20 amAUS - SOF
2 stops22h 30mMultiple Airlines
Fri 10/36:15 amSOF - AUS
1 stop16h 05mMultiple Airlines
Deal found 7/2$610
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 8/1010:00 amAUS - SOF
2 stops23h 50mUnited Airlines
Sun 8/246:00 amSOF - AUS
2 stops21h 36mUnited Airlines
Deal found 7/2$626
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:05 pmAUS - SOF
1 stop17h 45mLufthansa
Fri 10/36:15 amSOF - AUS
1 stop16h 05mLufthansa
Deal found 7/2$633
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:15 pmAUS - SOF
1 stop14h 25mBritish Airways
Wed 8/69:30 pmSOF - AUS
1 stop26h 20mBritish Airways
Deal found 7/1$969
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:45 pmAUS - SOF
1 stop17h 25mAmerican Airlines
Sun 8/249:10 pmSOF - AUS
1 stop26h 40mAmerican Airlines
Deal found 7/2$1,037

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 July 2, 2025.
Use the filters below to find and compare flights from Austin to Sofia that are best for you.

Fly from

Austin

Fly to

Sofia

Route

Depart

Return

Price

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 9/8

11:20 am-5:50 pm

2 stops22h 30m

Sofia

Fri 10/3

6:15 am-2:20 pm

1 stop16h 05m

$610

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 8/10

10:00 am-5:50 pm

2 stops23h 50m

Sofia

Sun 8/24

6:00 am-7:36 pm

2 stops21h 36m

$626

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 9/8

4:05 pm-5:50 pm

1 stop17h 45m

Sofia

Fri 10/3

6:15 am-2:20 pm

1 stop16h 05m

$633

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 7/22

10:15 pm-8:40 pm

1 stop14h 25m

Sofia

Wed 8/6

9:30 pm-3:50 pm

1 stop26h 20m

$969

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 8/10

5:45 pm-7:10 pm

1 stop17h 25m

Sofia

Sun 8/24

9:10 pm-3:50 pm

1 stop26h 40m

$1,037

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 7/14

10:21 am-10:50 am

3 stops40h 29m

$387

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 7/14

4:05 pm-10:50 pm

1 stop22h 45m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Sofia

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

Find hourly flight availability from Austin to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Austin to Sofia by exploring options for tickets in the evening.

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 July 2, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and 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.
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

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
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

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
7,208 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

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??
British Airways
6.6
Okay
7,089 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.0

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 Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Austin to Sofia round-trip?

    United Airlines, at $626, was found to be the cheapest airline from Austin to Sofia.Alternate airlines to your destination round-trip include Lufthansa and British Airways. United Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Austin to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Austin to Sofia (average of $632). Flying from Austin to Sofia in June is currently the most expensive (average of $1,189). 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

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 Austin to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Sofia flights
Love Field to Sofia flights
Hobby to Sofia flights
George Bush Intcntl to Sofia flights
Laredo to Sofia flights
Midland to Sofia flights

Top 2 airlines flying from Austin to Sofia

Discover the top 2 airlines 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$687Average$972FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$927Average$1,100FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.