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Cheap flights from Austin to Sofia from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sofia departing on 5/12. 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 Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m
2 stops
Lufthansa Logo
6:20 am - 2:00 pm
SOF
-
AUS
15h 40m
1 stop
$524Lufthansa
Mon, Apr 20 - Fri, May 8
Multiple Airlines Logo
9:40 am - 11:10 pm
AUS
-
SOF
29h 30m
2 stops
Multiple Airlines Logo
12:55 pm - 8:15 pm
SOF
-
AUS
39h 20m
2 stops
$542Multiple Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
4:05 pm - 1:20 pm
AUS
-
SOF
13h 15m
1 stop
United Airlines Logo
6:20 am - 2:00 pm
SOF
-
AUS
15h 40m
1 stop
$546United Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
2:18 pm - 10:45 pm
AUS
-
SOF
25h 27m
2 stops
United Airlines Logo
6:10 am - 10:55 pm
SOF
-
AUS
23h 45m
2 stops
$548United Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
9:40 am - 11:10 pm
AUS
-
SOF
29h 30m
2 stops
Multiple Airlines Logo
6:20 am - 10:53 am
SOF
-
AUS
36h 33m
3 stops
$549Multiple Airlines
Mon, Apr 20 - Fri, May 8
United Airlines Logo
7:00 am - 10:45 pm
AUS
-
SOF
31h 45m
2 stops
United Airlines Logo
6:10 am - 12:19 pm
SOF
-
AUS
37h 09m
2 stops
$559United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m
2 stops
United Airlines Logo
6:10 am - 2:00 pm
SOF
-
AUS
15h 50m
1 stop
$658United Airlines
Tue, May 12 - Tue, May 19
United Airlines Logo
9:00 am - 10:45 pm
AUS
-
SOF
29h 45m
2 stops
United Airlines Logo
2:20 pm - 12:19 pm
SOF
-
AUS
28h 59m
2 stops
$659United Airlines
Thu, Mar 5 - Mon, Mar 9
Lufthansa Logo
2:18 pm - 1:50 pm
AUS
-
SOF
16h 32m
2 stops
Lufthansa Logo
2:25 pm - 3:15 pm
SOF
-
AUS
31h 50m
1 stop
$665Lufthansa
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m
2 stops
United Airlines Logo
6:10 am - 10:53 am
SOF
-
AUS
36h 43m
2 stops
$666United Airlines
Tue, May 12 - Tue, May 19

United Airlines flights from Austin to Sofia

Our best United Airlines deals on Austin to Sofia flight tickets
United Airlines
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
$546
United Airlines
Mar 18
AUS2:18 pmAustin Bergstrom
25h 27m
2 stops
SOF10:45 pmSofia
Mar 25
SOF6:10 amSofia
23h 45m
2 stops
AUS10:55 pmAustin Bergstrom
$548
United Airlines
Mar 5
AUS7:00 amAustin Bergstrom
31h 45m
2 stops
SOF10:45 pmSofia
Mar 9
SOF6:10 amSofia
37h 09m
2 stops
AUS12:19 pmAustin Bergstrom
$559

British Airways flights from Austin to Sofia

Our best British Airways deals on Austin to Sofia flight tickets
British Airways
May 12
AUS5:55 pmAustin Bergstrom
18h 35m
1 stop
SOF8:30 pmSofia
May 20
SOF9:25 pmSofia
31h 10m
1 stop
AUS8:35 pmAustin Bergstrom
$676
British Airways
May 12
AUS5:55 pmAustin Bergstrom
18h 35m
1 stop
SOF8:30 pmSofia
May 25
SOF8:10 pmSofia
27h 15m
1 stop
AUS3:25 pmAustin Bergstrom
$751
British Airways
May 12
AUS5:55 pmAustin Bergstrom
18h 35m
1 stop
SOF8:30 pmSofia
Jun 8
SOF8:10 pmSofia
27h 15m
1 stop
AUS3:25 pmAustin Bergstrom
$801

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 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

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

$524

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

$542

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

$546

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 3/18

2:18 pm-10:45 pm

2 stops25h 27m

Sofia

Wed 3/25

6:10 am-10:55 pm

2 stops23h 45m

$548

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Mon 4/20

9:40 am-11:10 pm

2 stops29h 30m

Sofia

Fri 5/8

6:20 am-10:53 am

3 stops36h 33m

$549

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

7:00 am-10:45 pm

2 stops31h 45m

Sofia

Mon 3/9

6:10 am-12:19 pm

2 stops37h 09m

$559

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 5/12

4:57 pm-11:10 pm

2 stops22h 13m

Sofia

Tue 5/19

6:10 am-2:00 pm

1 stop15h 50m

$658

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 3/5

9:00 am-10:45 pm

2 stops29h 45m

Sofia

Mon 3/9

2:20 pm-12:19 pm

2 stops28h 59m

$659

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 3/18

2:18 pm-1:50 pm

2 stops16h 32m

Sofia

Wed 3/25

2:25 pm-3:15 pm

1 stop31h 50m

$665

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Tue 5/12

4:57 pm-11:10 pm

2 stops22h 13m

Sofia

Tue 5/19

6:10 am-10:53 am

2 stops36h 43m

$666

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Austin to Sofia

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 Sofia flights?

You could potentially save up to 34% on your flight if you consider stops on a Austin to Sofia flight.

When to book flights from Austin to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Sofia (AUS to SOF) flight deals and tips

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

Fastest flight time

21h 59m

Direct flights

None
The fastest flight from Austin to Sofia takes 21h 59m
There are no direct flights from Austin to Sofia. There are no popular flight routes from Austin to Sofia.
Search flight deals

  • How far is Austin Bergstrom to Sofia by plane?

    There are 6157.2 mi between Austin Bergstrom and Sofia. Flights usually cover this in 21h 59m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Austin Bergstrom Airport to Sofia Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Austin to Sofia?

Best airlines flying from Austin to Sofia

Compare and see reviews for airlines that fly from Austin to Sofia with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $614Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Sofia. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Sofia 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 Sofia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Sofia.

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

Yes momondo offers price alerts on flights to Sofia from Austin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Sofia trip

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Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Lufthansa
KLM