Earn point on your loyalty program!arrow arc left

Cheap flights from Austin (AUS) to Sofia (SOF)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Austin (AUS) to Sofia (SOF)

How to find the cheapest flight from Austin (AUS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Austin (AUS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Austin (AUS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Austin to Sofia in September , October 2026

28 Sep - 08 Oct $ 993.00
AUS
Austin
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
AUS
Austin
Pick dates
29 Sep - 09 Oct $ 1,620.00
AUS
Austin
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
AUS
Austin
Pick dates
30 Sep - 10 Oct $ 2,186.00
AUS
Austin
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
AUS
Austin
Pick dates

Last minute flights from Austin to Sofia

28 Sep - 01 Oct $ 1,821.00
AUS
Austin
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
AUS
Austin
Pick dates
28 Sep - 01 Oct $ 1,873.00
AUS
Austin
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
AUS
Austin
Pick dates
28 Sep - 01 Oct $ 1,909.00
AUS
Austin
Alaska Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Alaska Airlines
3 STOPS
AUS
Austin
Pick dates

One-way flights to Sofia from Austin

3:37 PM - 3:45 PM
United Airlines
2 Stops
19h 3m
AUS - SOF
$ 563
Kiwi
Pick dates
6:06 PM - 3:45 PM
United Airlines
2 Stops
16h 34m
AUS - SOF
$ 564
Kiwi
Pick dates
12:07 PM - 9:55 AM
United Airlines
2 Stops
16h 58m
AUS - SOF
$ 577
Kiwi
Pick dates

How to find the cheapest flight from Austin (AUS) to Sofia (SOF)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Austin (AUS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Austin (AUS) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.