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Cheap flights from Austin to Bulgaria from $513

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Bulgaria departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Austin to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:46 pm - 8:30 pm
AUS
-
SOF
41h 44m2 stops
British Airways Logo
2:20 pm - 9:22 pm
SOF
-
AUS
39h 02m2 stops
$513British Airways
Mon, Apr 20 - Fri, May 8
KLM Logo
6:05 pm - 2:00 pm
AUS
-
SOF
35h 55m1 stop
KLM Logo
7:00 am - 9:55 pm
SOF
-
AUS
22h 55m2 stops
$514KLM
Mon, Apr 20 - Fri, May 8
Multiple Airlines Logo
11:30 am - 1:15 pm
AUS
-
SOF
17h 45m2 stops
Multiple Airlines Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m1 stop
$518Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Lufthansa Logo
4:05 pm - 1:20 pm
AUS
-
SOF
13h 15m1 stop
Lufthansa Logo
6:20 am - 2:00 pm
SOF
-
AUS
15h 40m1 stop
$533Lufthansa
Mon, Apr 20 - Fri, May 8
Lufthansa Logo
4:10 pm - 10:45 pm
AUS
-
SOF
22h 35m1 stop
Lufthansa Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m1 stop
$542Lufthansa
Thu, Feb 5 - Thu, Feb 12
United Airlines Logo
4:10 pm - 1:50 pm
AUS
-
SOF
13h 40m1 stop
United Airlines Logo
6:10 am - 2:15 pm
SOF
-
AUS
16h 05m1 stop
$544United Airlines
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
9:55 am - 11:10 pm
AUS
-
SOF
29h 15m2 stops
Multiple Airlines Logo
6:20 am - 10:53 am
SOF
-
AUS
36h 33m3 stops
$547Multiple Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
7:00 am - 10:45 pm
AUS
-
SOF
31h 45m2 stops
United Airlines Logo
6:10 am - 2:15 pm
SOF
-
AUS
16h 05m1 stop
$548United Airlines
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
1:10 pm - 10:45 pm
AUS
-
SOF
25h 35m2 stops
United Airlines Logo
6:10 am - 2:15 pm
SOF
-
AUS
16h 05m1 stop
$549United Airlines
Thu, Mar 5 - Sun, Mar 8
United Airlines Logo
4:10 pm - 10:45 pm
AUS
-
SOF
22h 35m1 stop
United Airlines Logo
2:20 pm - 12:19 pm
SOF
-
AUS
28h 59m2 stops
$552United Airlines
Thu, Mar 5 - Mon, Mar 9

British Airways flights from Austin to Bulgaria

Our best British Airways deals on Austin to Bulgaria flight tickets
British Airways
Apr 20
AUS6:46 pmAustin Bergstrom
41h 44m
2 stops
SOF8:30 pmSofia
May 8
SOF2:20 pmSofia
39h 02m
2 stops
AUS9:22 pmAustin Bergstrom
$513
British Airways
Jan 13
AUS7:00 pmAustin Bergstrom
17h 10m
1 stop
SOF8:10 pmSofia
Jan 19
SOF5:25 pmSofia
31h 25m
1 stop
AUS4:50 pmAustin Bergstrom
$1,071
British Airways
Jun 3
AUS10:30 pmAustin Bergstrom
30h 55m
1 stop
SOF1:25 pmSofia
Aug 12
SOF9:30 pmSofia
31h 05m
1 stop
AUS8:35 pmAustin Bergstrom
$1,075

Lufthansa flights from Austin to Bulgaria

Our best Lufthansa deals on Austin to Bulgaria flight tickets
Lufthansa
Apr 20
AUS4:05 pmAustin Bergstrom
13h 15m
1 stop
SOF1:20 pmSofia
May 8
SOF6:20 amSofia
15h 40m
1 stop
AUS2:00 pmAustin Bergstrom
$533
Lufthansa
Feb 5
AUS4:10 pmAustin Bergstrom
22h 35m
1 stop
SOF10:45 pmSofia
Feb 12
SOF6:00 amSofia
16h 15m
1 stop
AUS2:15 pmAustin Bergstrom
$542
Lufthansa
Jan 11
AUS4:10 pmAustin Bergstrom
13h 25m
1 stop
SOF1:35 pmSofia
Jan 19
SOF6:10 amSofia
25h 20m
2 stops
AUS11:30 pmAustin Bergstrom
$1,049

momondo 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, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Austin to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

6:46 pm-8:30 pm

2 stops41h 44m

Sofia

Fri 5/8

2:20 pm-9:22 pm

2 stops39h 02m

$513

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

6:05 pm-2:00 pm

1 stop35h 55m

Sofia

Fri 5/8

7:00 am-9:55 pm

2 stops22h 55m

$514

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 2/5

11:30 am-1:15 pm

2 stops17h 45m

Sofia

Thu 2/12

6:00 am-2:15 pm

1 stop16h 15m

$518

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

4:05 pm-1:20 pm

1 stop13h 15m

Sofia

Fri 5/8

6:20 am-2:00 pm

1 stop15h 40m

$533

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 2/5

4:10 pm-10:45 pm

1 stop22h 35m

Sofia

Thu 2/12

6:00 am-2:15 pm

1 stop16h 15m

$542

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

4:10 pm-1:50 pm

1 stop13h 40m

Sofia

Sun 3/8

6:10 am-2:15 pm

1 stop16h 05m

$544

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

9:55 am-11:10 pm

2 stops29h 15m

Sofia

Fri 5/8

6:20 am-10:53 am

3 stops36h 33m

$547

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

7:00 am-10:45 pm

2 stops31h 45m

Sofia

Sun 3/8

6:10 am-2:15 pm

1 stop16h 05m

$548

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

1:10 pm-10:45 pm

2 stops25h 35m

Sofia

Sun 3/8

6:10 am-2:15 pm

1 stop16h 05m

$549

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

4:10 pm-10:45 pm

1 stop22h 35m

Sofia

Mon 3/9

2:20 pm-12:19 pm

2 stops28h 59m

$552

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Austin to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Austin to Bulgaria flights?

You could potentially save up to 2% on your flight if you consider stops on a Austin to Bulgaria flight.

Cheap Austin to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Bulgaria

Fastest flight time

13h 25m

Direct flights

None
The fastest flight from Austin to Bulgaria takes 13h 25m
There are no direct flights from Austin to Bulgaria. There are no popular flight routes from Austin to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Bulgaria?

    Prices for flights from Austin Bergstrom Airport to Bulgaria are refreshed on a daily basis.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Bulgaria?

  • How old do you have to be to fly from Austin Bergstrom Airport to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Austin to Bulgaria

Compare and see reviews for airlines that fly from Austin to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $639Free CancellationRating
6.8
7,692 reviews
Search Lufthansa flights
United AirlinesPriceFrom $954Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Bulgaria?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bulgaria from Austin.

Can I find flights from Austin to Bulgaria with flexible booking policies on momondo?

Yes. All flights to Bulgaria from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Austin to Bulgaria?

momondo helps you find the best flight between Austin and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Austin to Bulgaria right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austin to Bulgaria now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bulgaria and let you know when they change.

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