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Cheap flights from Austin to Sofia from $275

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 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.
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.
British Airways Logo
6:55 pm - 4:20 pm
AUS
-
SOF
13h 25m1 stop
British Airways Logo
2:30 pm - 4:50 pm
SOF
-
AUS
34h 20m1 stop
$508British Airways
Sun, Jan 18 - Sun, Feb 1
Lufthansa Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m2 stops
Lufthansa Logo
6:20 am - 2:00 pm
SOF
-
AUS
15h 40m1 stop
$522Lufthansa
Mon, Apr 20 - Fri, May 8
Lufthansa Logo
4:57 pm - 11:10 pm
AUS
-
SOF
22h 13m2 stops
Lufthansa Logo
6:20 am - 5:29 pm
SOF
-
AUS
19h 09m2 stops
$529Lufthansa
Mon, Apr 20 - Fri, May 8
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
$532Lufthansa
Mon, Apr 20 - Fri, May 8
United Airlines Logo
6:30 am - 1:15 pm
AUS
-
SOF
22h 45m2 stops
United Airlines Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m1 stop
$535United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
6:00 am - 1:15 pm
AUS
-
SOF
23h 15m3 stops
United Airlines Logo
6:00 am - 12:19 pm
SOF
-
AUS
38h 19m2 stops
$542United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:45 pm - 6:20 pm
AUS
-
SOF
20h 35m2 stops
United Airlines Logo
6:00 am - 2:15 pm
SOF
-
AUS
16h 15m1 stop
$635United Airlines
Fri, Jan 30 - Tue, Feb 3
Lufthansa Logo
5:06 pm - 6:20 pm
AUS
-
SOF
17h 14m2 stops
Lufthansa Logo
7:05 pm - 2:15 pm
SOF
-
AUS
27h 10m2 stops
$713Lufthansa
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
5:06 pm - 6:20 pm
AUS
-
SOF
17h 14m2 stops
Lufthansa Logo
7:05 pm - 2:15 pm
SOF
-
AUS
27h 10m2 stops
$722Lufthansa
Sun, Jan 11 - Mon, Jan 19
Lufthansa Logo
4:10 pm - 1:35 pm
AUS
-
SOF
13h 25m1 stop
Lufthansa Logo
7:05 pm - 2:15 pm
SOF
-
AUS
27h 10m2 stops
$724Lufthansa
Sun, Jan 11 - Mon, Jan 19

Air Canada flights from Austin to Sofia

Our best Air Canada deals on Austin to Sofia flight tickets
Air Canada
Apr 20
AUS9:55 amAustin Bergstrom
24h 45m
2 stops
SOF6:40 pmSofia
May 8
SOF6:20 amSofia
36h 33m
3 stops
AUS10:53 amAustin Bergstrom
$794
Find similar
Air Canada
Feb 1
AUS1:05 pmAustin Bergstrom
40h 10m
3 stops
SOF1:15 pmSofia
Feb 15
SOF6:10 amSofia
38h 09m
3 stops
AUS12:19 pmAustin Bergstrom
$811
Find similar
Air Canada
Jan 11
AUS1:05 pmAustin Bergstrom
21h 15m
3 stops
SOF6:20 pmSofia
Jan 19
SOF2:20 pmSofia
29h 11m
3 stops
AUS11:31 amAustin Bergstrom
$1,038
Find similar

Lufthansa flights from Austin to Sofia

Our best Lufthansa deals on Austin to Sofia flight tickets
Lufthansa
Apr 20
AUS4:57 pmAustin Bergstrom
22h 13m
2 stops
SOF11:10 pmSofia
May 8
SOF6:20 amSofia
15h 40m
1 stop
AUS2:00 pmAustin Bergstrom
$522
Find similar
Lufthansa
Apr 20
AUS4:57 pmAustin Bergstrom
22h 13m
2 stops
SOF11:10 pmSofia
May 8
SOF6:20 amSofia
19h 09m
2 stops
AUS5:29 pmAustin Bergstrom
$529
Find similar
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
$532
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 December 23, 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 1/18

6:55 pm-4:20 pm

1 stop13h 25m

Sofia

Sun 2/1

2:30 pm-4:50 pm

1 stop34h 20m

$508

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

$522

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-5:29 pm

2 stops19h 09m

$529

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

$532

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Fri 1/30

6:30 am-1:15 pm

2 stops22h 45m

Sofia

Tue 2/3

6:00 am-2:15 pm

1 stop16h 15m

$535

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Fri 1/30

6:00 am-1:15 pm

3 stops23h 15m

Sofia

Tue 2/3

6:00 am-12:19 pm

2 stops38h 19m

$542

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Fri 1/30

1:45 pm-6:20 pm

2 stops20h 35m

Sofia

Tue 2/3

6:00 am-2:15 pm

1 stop16h 15m

$635

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

5:06 pm-6:20 pm

2 stops17h 14m

Sofia

Mon 1/19

7:05 pm-2:15 pm

2 stops27h 10m

$713

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

5:06 pm-6:20 pm

2 stops17h 14m

Sofia

Mon 1/19

7:05 pm-2:15 pm

2 stops27h 10m

$722

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 1/11

4:10 pm-1:35 pm

1 stop13h 25m

Sofia

Mon 1/19

7:05 pm-2:15 pm

2 stops27h 10m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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 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

13h 25m

Direct flights

None
The fastest flight from Austin to Sofia takes 13h 25m
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
7,649 reviews
Search Lufthansa flights
United AirlinesPriceFrom $954Free CancellationRating
7.4
9,106 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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Fly your favorite airline to Sofia

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