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Cheap flights from Austin to Sofia from $663

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 5/19. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:45 pm - 11:15 pm
AUS
-
SOF
22h 30m
2 stops
United Airlines Logo
6:10 am - 2:00 pm
SOF
-
AUS
15h 50m
1 stop
$940United Airlines
Wed, May 13 - Tue, Jun 2
United Airlines Logo
4:45 pm - 11:15 pm
AUS
-
SOF
22h 30m
2 stops
United Airlines Logo
6:30 am - 8:15 pm
SOF
-
AUS
21h 45m
2 stops
$944United Airlines
Wed, May 13 - Thu, Jun 4
United Airlines Logo
5:00 pm - 11:15 pm
AUS
-
SOF
22h 15m
2 stops
United Airlines Logo
6:30 am - 7:57 pm
SOF
-
AUS
21h 27m
2 stops
$958United Airlines
Sun, Jun 7 - Thu, Jun 18
United Airlines Logo
10:40 am - 6:40 pm
AUS
-
SOF
24h 00m
2 stops
United Airlines Logo
2:10 pm - 2:00 pm
SOF
-
AUS
31h 50m
1 stop
$961United Airlines
Wed, May 13 - Thu, Jun 4
United Airlines Logo
5:00 pm - 11:15 pm
AUS
-
SOF
22h 15m
2 stops
United Airlines Logo
6:30 am - 10:45 am
SOF
-
AUS
36h 15m
2 stops
$963United Airlines
Sun, Jun 7 - Thu, Jun 18
United Airlines Logo
5:00 pm - 11:15 pm
AUS
-
SOF
22h 15m
2 stops
United Airlines Logo
2:10 pm - 2:00 pm
SOF
-
AUS
31h 50m
1 stop
$975United Airlines
Sun, Jun 7 - Thu, Jun 18
Lufthansa Logo
4:05 pm - 11:15 pm
AUS
-
SOF
23h 10m
2 stops
Lufthansa Logo
7:00 pm - 2:00 pm
SOF
-
AUS
27h 00m
1 stop
$997Lufthansa
Wed, May 13 - Mon, Jun 1
Lufthansa Logo
7:30 am - 11:15 pm
AUS
-
SOF
31h 45m
2 stops
Lufthansa Logo
6:45 pm - 2:00 pm
SOF
-
AUS
27h 15m
1 stop
$1,007Lufthansa
Sun, Jun 7 - Thu, Jun 18
United Airlines Logo
10:40 am - 6:40 pm
AUS
-
SOF
24h 00m
2 stops
United Airlines Logo
6:10 am - 11:59 pm
SOF
-
AUS
25h 49m
2 stops
$1,011United Airlines
Wed, May 13 - Sun, May 31
United Airlines Logo
6:40 am - 11:15 pm
AUS
-
SOF
32h 35m
2 stops
United Airlines Logo
6:20 am - 5:27 pm
SOF
-
AUS
19h 07m
2 stops
$1,024United Airlines
Sun, May 31 - Sun, Jun 7

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United Airlines flights from Austin to Sofia

Our best United Airlines deals on Austin to Sofia flight tickets
United Airlines
May 13
AUS4:45 pmAustin Bergstrom
22h 30m
2 stops
SOF11:15 pmSofia
Jun 2
SOF6:10 amSofia
15h 50m
1 stop
AUS2:00 pmAustin Bergstrom
$940
United Airlines
May 13
AUS4:45 pmAustin Bergstrom
22h 30m
2 stops
SOF11:15 pmSofia
Jun 4
SOF6:30 amSofia
21h 45m
2 stops
AUS8:15 pmAustin Bergstrom
$944
United Airlines
May 11
AUS4:05 pmAustin Bergstrom
17h 55m
1 stop
SOF6:00 pmSofia
Jun 2
SOF6:10 amSofia
15h 50m
1 stop
AUS2:00 pmAustin Bergstrom
$948

Lufthansa flights from Austin to Sofia

Our best Lufthansa deals on Austin to Sofia flight tickets
Lufthansa
May 11
AUS4:05 pmAustin Bergstrom
17h 55m
1 stop
SOF6:00 pmSofia
Jun 2
SOF6:10 amSofia
15h 50m
1 stop
AUS2:00 pmAustin Bergstrom
$946
Lufthansa
May 10
AUS12:15 pmAustin Bergstrom
27h 00m
2 stops
SOF11:15 pmSofia
Jun 1
SOF7:00 pmSofia
27h 00m
1 stop
AUS2:00 pmAustin Bergstrom
$966
Lufthansa
May 10
AUS5:45 pmAustin Bergstrom
21h 30m
2 stops
SOF11:15 pmSofia
Jun 1
SOF7:25 pmSofia
35h 55m
2 stops
AUS11:20 pmAustin Bergstrom
$967

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 May 4, 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

Cheapest round-trip
Quickest round-trip

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 5/13

4:45 pm-11:15 pm

2 stops22h 30m

Sofia

Tue 6/2

6:10 am-2:00 pm

1 stop15h 50m

$940

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 5/13

4:45 pm-11:15 pm

2 stops22h 30m

Sofia

Thu 6/4

6:30 am-8:15 pm

2 stops21h 45m

$944

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 6/7

5:00 pm-11:15 pm

2 stops22h 15m

Sofia

Thu 6/18

6:30 am-7:57 pm

2 stops21h 27m

$958

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 5/13

10:40 am-6:40 pm

2 stops24h 00m

Sofia

Thu 6/4

2:10 pm-2:00 pm

1 stop31h 50m

$961

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 6/7

5:00 pm-11:15 pm

2 stops22h 15m

Sofia

Thu 6/18

6:30 am-10:45 am

2 stops36h 15m

$963

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 6/7

5:00 pm-11:15 pm

2 stops22h 15m

Sofia

Thu 6/18

2:10 pm-2:00 pm

1 stop31h 50m

$975

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 5/13

4:05 pm-11:15 pm

2 stops23h 10m

Sofia

Mon 6/1

7:00 pm-2:00 pm

1 stop27h 00m

$997

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 6/7

7:30 am-11:15 pm

2 stops31h 45m

Sofia

Thu 6/18

6:45 pm-2:00 pm

1 stop27h 15m

$1,007

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Wed 5/13

10:40 am-6:40 pm

2 stops24h 00m

Sofia

Sun 5/31

6:10 am-11:59 pm

2 stops25h 49m

$1,011

AustinSofia

AUS - SOF

AUSSOF

Austin Bergstrom

Sun 5/31

6:40 am-11:15 pm

2 stops32h 35m

Sofia

Sun 6/7

6:20 am-5:27 pm

2 stops19h 07m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

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

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Austin is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Austin during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $0.

Can stopping save me money on Austin to Sofia flights?

You could potentially save up to 56% 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 30m

Direct flights

None
The fastest flight from Austin to Sofia takes 16h 30m
There are no direct flights from Austin to Sofia. There are no popular flight routes from Austin to Sofia.
Search flight deals

Frequently asked questions about flying from Austin to Sofia

  • 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 30m, 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
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,972 reviews
Search Lufthansa 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
United Airlines
Lufthansa
KLM