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Cheap flights from Austin to Sofia from $535

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 Sofia departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:17 pm - 6:20 pmAUS-SOF
22h 03m2 stops
Lufthansa Logo
6:10 am - 11:30 pmSOF-AUS
25h 20m2 stops
$535Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 1:35 pmAUS-SOF
13h 25m1 stop
Lufthansa Logo
6:10 am - 11:30 pmSOF-AUS
25h 20m2 stops
$542Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 1:35 pmAUS-SOF
13h 25m1 stop
Lufthansa Logo
6:10 am - 11:30 pmSOF-AUS
25h 20m2 stops
$543Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
9:50 am - 6:20 pmAUS-SOF
24h 30m2 stops
Lufthansa Logo
6:10 am - 11:30 pmSOF-AUS
25h 20m2 stops
$556Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 1:35 pmAUS-SOF
13h 25m1 stop
Lufthansa Logo
6:10 am - 11:30 pmSOF-AUS
25h 20m2 stops
$564Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 10:45 pmAUS-SOF
22h 35m1 stop
Lufthansa Logo
2:20 pm - 2:15 pmSOF-AUS
31h 55m1 stop
$672Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 10:45 pmAUS-SOF
22h 35m1 stop
Lufthansa Logo
2:20 pm - 2:15 pmSOF-AUS
31h 55m1 stop
$767Lufthansa
Find Deal
Sun, Jan 11 - Mon, Jan 19
Air Canada Logo
1:05 pm - 6:20 pmAUS-SOF
21h 15m3 stops
Air Canada Logo
6:10 am - 12:19 pmSOF-AUS
38h 09m2 stops
$847Air Canada
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Sun, Jan 11 - Mon, Jan 19
United Airlines Logo
5:30 am - 6:20 pmAUS-SOF
29h 50m2 stops
United Airlines Logo
2:00 pm - 12:00 pmSOF-AUS
30h 00m2 stops
$889United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
7:00 am - 6:20 pmAUS-SOF
28h 20m2 stops
United Airlines Logo
2:00 pm - 12:00 pmSOF-AUS
30h 00m2 stops
$890United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

United Airlines flights from Austin to Sofia

Our best United Airlines deals on Austin to Sofia flight tickets
United Airlines
Mar 27
AUS5:30 amAustin Bergstrom
29h 50m
2 stops
SOF6:20 pmSofia
Mar 31
SOF2:00 pmSofia
30h 00m
2 stops
AUS12:00 pmAustin Bergstrom
$889
Find similar
United Airlines
Mar 27
AUS7:00 amAustin Bergstrom
28h 20m
2 stops
SOF6:20 pmSofia
Mar 31
SOF2:00 pmSofia
30h 00m
2 stops
AUS12:00 pmAustin Bergstrom
$890
Find similar
United Airlines
Nov 17
AUS1:00 pmAustin Bergstrom
21h 20m
3 stops
SOF6:20 pmSofia
Nov 19
SOF2:00 pmSofia
17h 59m
2 stops
AUS11:59 pmAustin Bergstrom
$1,323
Find similar

Air Canada flights from Austin to Sofia

Our best Air Canada deals on Austin to Sofia flight tickets
Air Canada
Jan 11
AUS1:05 pmAustin Bergstrom
21h 15m
3 stops
SOF6:20 pmSofia
Jan 19
SOF6:10 amSofia
38h 09m
2 stops
AUS12:19 pmAustin Bergstrom
$847
Find similar
Air Canada
Jan 11
AUS1:05 pmAustin Bergstrom
21h 15m
3 stops
SOF6:20 pmSofia
Jan 19
SOF1:45 pmSofia
30h 34m
3 stops
AUS12:19 pmAustin Bergstrom
$951
Find similar
Air Canada
Jan 11
AUS1:05 pmAustin Bergstrom
21h 15m
2 stops
SOF6:20 pmSofia
Jan 19
SOF1:45 pmSofia
30h 34m
3 stops
AUS12:19 pmAustin Bergstrom
$975
Find similar

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 November 14, 2025.
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

Sun 1/11

12:17 pm-6:20 pm

2 stops22h 03m

Sofia

Mon 1/19

6:10 am-11:30 pm

2 stops25h 20m

$535

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-1:35 pm

1 stop13h 25m

Sofia

Mon 1/19

6:10 am-11:30 pm

2 stops25h 20m

$542

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-1:35 pm

1 stop13h 25m

Sofia

Mon 1/19

6:10 am-11:30 pm

2 stops25h 20m

$543

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

9:50 am-6:20 pm

2 stops24h 30m

Sofia

Mon 1/19

6:10 am-11:30 pm

2 stops25h 20m

$556

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-1:35 pm

1 stop13h 25m

Sofia

Mon 1/19

6:10 am-11:30 pm

2 stops25h 20m

$564

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-10:45 pm

1 stop22h 35m

Sofia

Mon 1/19

2:20 pm-2:15 pm

1 stop31h 55m

$672

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-10:45 pm

1 stop22h 35m

Sofia

Mon 1/19

2:20 pm-2:15 pm

1 stop31h 55m

$767

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

1:05 pm-6:20 pm

3 stops21h 15m

Sofia

Mon 1/19

6:10 am-12:19 pm

2 stops38h 09m

$847

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Fri 3/27

5:30 am-6:20 pm

2 stops29h 50m

Sofia

Tue 3/31

2:00 pm-12:00 pm

2 stops30h 00m

$889

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Fri 3/27

7:00 am-6:20 pm

2 stops28h 20m

Sofia

Tue 3/31

2:00 pm-12:00 pm

2 stops30h 00m

$890

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the typical price of a round-trip flight between Austin and Sofia?

What is the cheapest day to depart on your flight to Sofia?

According to our data, Monday is the cheapest day to fly to Sofia from Austin. The lowest ticket price found for a Monday departure recently was $923. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Austin to Sofia on a Sunday will generally be more expensive and average around $1,477. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the evening is the cheapest time of day to fly from Austin to Sofia when you can find flight prices for as low as $958. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,174 per ticket.

Can stopping save me money on Austin to Sofia flights?

You could potentially save up to 43% 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

Direct flights

None
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 13h 25m, 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
7,572 reviews
Search Lufthansa flights
United AirlinesPriceFrom $927Free CancellationRating
7.4
9,016 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.

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Lufthansa
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