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Cheap flights from Austin to Sofia from $305

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 2/17. 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.
Multiple Airlines Logo
1:05 pm - 6:20 pm
AUS
-
SOF
21h 15m
2 stops
Multiple Airlines Logo
2:25 pm - 12:19 pm
SOF
-
AUS
28h 54m
2 stops
$487Multiple Airlines
Wed, Mar 4 - Wed, Mar 18
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
$492Lufthansa
Mon, Apr 20 - Fri, May 8
Multiple Airlines Logo
11:30 am - 1:15 pm
AUS
-
SOF
17h 45m
2 stops
Multiple Airlines Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m
1 stop
$498Multiple Airlines
Thu, Feb 19 - Thu, Mar 5
Lufthansa Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m
2 stops
Lufthansa Logo
6:20 am - 9:24 pm
SOF
-
AUS
23h 04m
2 stops
$499Lufthansa
Mon, Apr 20 - Fri, May 8
Lufthansa Logo
4:05 pm - 1:20 pm
AUS
-
SOF
13h 15m
1 stop
Lufthansa Logo
6:20 am - 2:00 pm
SOF
-
AUS
15h 40m
1 stop
$502Lufthansa
Mon, Apr 20 - Fri, May 8
Lufthansa Logo
2:18 pm - 1:35 pm
AUS
-
SOF
15h 17m
2 stops
Lufthansa Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m
1 stop
$504Lufthansa
Sun, Feb 1 - Tue, Feb 17
United Airlines Logo
9:43 am - 6:20 pm
AUS
-
SOF
24h 37m
3 stops
United Airlines Logo
6:10 am - 9:27 pm
SOF
-
AUS
22h 17m
2 stops
$509United Airlines
Wed, Mar 4 - Wed, Mar 18
Multiple Airlines Logo
11:30 am - 10:45 pm
AUS
-
SOF
27h 15m
2 stops
Multiple Airlines Logo
2:35 pm - 12:19 pm
SOF
-
AUS
29h 44m
2 stops
$511Multiple Airlines
Thu, Feb 19 - Thu, Mar 5
Lufthansa Logo
2:18 pm - 1:35 pm
AUS
-
SOF
15h 17m
2 stops
Lufthansa Logo
6:00 am - 8:56 pm
SOF
-
AUS
22h 56m
2 stops
$512Lufthansa
Sun, Feb 1 - Tue, Feb 17
Multiple Airlines Logo
9:55 am - 11:10 pm
AUS
-
SOF
29h 15m
2 stops
Multiple Airlines Logo
6:20 am - 10:53 am
SOF
-
AUS
36h 33m
3 stops
$516Multiple Airlines
Mon, Apr 20 - Fri, May 8

British Airways flights from Austin to Sofia

Our best British Airways deals on Austin to Sofia flight tickets
British Airways
Mar 15
AUS7:55 pmAustin Bergstrom
13h 25m
1 stop
SOF4:20 pmSofia
Mar 22
SOF2:30 pmSofia
50h 47m
2 stops
AUS10:17 amAustin Bergstrom
$929
British Airways
Mar 15
AUS7:55 pmAustin Bergstrom
13h 25m
1 stop
SOF4:20 pmSofia
Mar 22
SOF2:30 pmSofia
34h 20m
1 stop
AUS5:50 pmAustin Bergstrom
$1,370
British Airways
Mar 15
AUS7:55 pmAustin Bergstrom
13h 25m
1 stop
SOF4:20 pmSofia
Mar 21
SOF12:05 pmSofia
53h 12m
2 stops
AUS10:17 amAustin Bergstrom
$1,492

United Airlines flights from Austin to Sofia

Our best United Airlines deals on Austin to Sofia flight tickets
United Airlines
Mar 4
AUS9:43 amAustin Bergstrom
24h 37m
3 stops
SOF6:20 pmSofia
Mar 18
SOF6:10 amSofia
22h 17m
2 stops
AUS9:27 pmAustin Bergstrom
$509
United Airlines
Feb 19
AUS9:43 amAustin Bergstrom
29h 02m
3 stops
SOF10:45 pmSofia
Mar 5
SOF2:35 pmSofia
29h 44m
2 stops
AUS12:19 pmAustin Bergstrom
$529
United Airlines
Feb 19
AUS9:43 amAustin Bergstrom
20h 07m
3 stops
SOF1:50 pmSofia
Mar 5
SOF6:00 amSofia
23h 27m
2 stops
AUS9:27 pmAustin Bergstrom
$543

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 January 18, 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

Wed 3/4

1:05 pm-6:20 pm

2 stops21h 15m

Sofia

Wed 3/18

2:25 pm-12:19 pm

2 stops28h 54m

$487

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

Thu 2/19

11:30 am-1:15 pm

2 stops17h 45m

Sofia

Thu 3/5

6:00 am-2:15 pm

1 stop16h 15m

$498

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-9:24 pm

2 stops23h 04m

$499

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

$502

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 2/1

2:18 pm-1:35 pm

2 stops15h 17m

Sofia

Tue 2/17

6:00 am-2:15 pm

1 stop16h 15m

$504

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 3/4

9:43 am-6:20 pm

3 stops24h 37m

Sofia

Wed 3/18

6:10 am-9:27 pm

2 stops22h 17m

$509

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Thu 2/19

11:30 am-10:45 pm

2 stops27h 15m

Sofia

Thu 3/5

2:35 pm-12:19 pm

2 stops29h 44m

$511

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 2/1

2:18 pm-1:35 pm

2 stops15h 17m

Sofia

Tue 2/17

6:00 am-8:56 pm

2 stops22h 56m

$512

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

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sofia from

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

16h 15m

Direct flights

None
The fastest flight from Austin to Sofia takes 16h 15m
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 16h 15m, 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 $639Free CancellationRating
6.8
7,728 reviews
Search Lufthansa flights
United AirlinesPriceFrom $954Free CancellationRating
7.4
9,175 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