$536+ Cheap flights from Austin (AUS) to Sofia (SOF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SOF
Oct 28 — Nov 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Austin to Sofia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Sofia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Austin to SofiaExplore the most affordable flight options available from Austin to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Austin to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:55 pm -
1 stop13h 30m
Tue 11/176:25 am -
1 stop15h 40m
Deal found 9/26![Lufthansa logo]()
$767
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:05 pm -
2 stops17h 20m
Tue 11/176:25 am -
1 stop15h 40m
Deal found 9/26![Multiple Airlines logo]()
$785
This United deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 pm -
2 stops21h 55m
Tue 11/106:25 am -
1 stop15h 40m
Deal found 9/25![Multiple Airlines logo]()
$786
This Gotogate deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:55 pm -
1 stop13h 30m
Sun 11/156:25 am -
1 stop15h 40m
Deal found 9/24![Lufthansa logo]()
$834
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:45 am -
2 stops28h 10m
Sun 11/156:25 am -
1 stop15h 40m
Deal found 9/24![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:29 pm -
2 stops46h 26m
Sat 10/312:00 pm -
2 stops39h 33m
Deal found 9/26![United Airlines logo]()
$864
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:05 pm -
1 stop14h 20m
Sat 10/317:00 pm -
1 stop27h 05m
Deal found 9/26![Lufthansa logo]()
$899
This Expedia deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:55 pm -
1 stop13h 30m
Thu 1/77:05 pm -
2 stops57h 50m
Deal found 9/24![Lufthansa logo]()
$1,026
Best flights from Austin to SofiaDiscover carefully curated flight deals from Austin to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Austin to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:55 pm -
1 stop13h 30m
Tue 11/176:25 am -
1 stop15h 40m
Deal found 9/26![Lufthansa logo]()
$767
This United deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 pm -
2 stops21h 55m
Tue 11/106:25 am -
1 stop15h 40m
Deal found 9/25![Multiple Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:45 am -
2 stops28h 10m
Sun 11/156:25 am -
1 stop15h 40m
Deal found 9/24![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:29 pm -
2 stops46h 26m
Sat 10/312:00 pm -
2 stops39h 33m
Deal found 9/26![United Airlines logo]()
$864
This Expedia deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:55 pm -
1 stop13h 30m
Thu 1/77:05 pm -
2 stops57h 50m
Deal found 9/24![Lufthansa logo]()
$1,026
This Expedia deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/131:15 pm -
2 stops25h 40m
Thu 1/74:15 pm -
2 stops51h 42m
Deal found 9/24![Multiple Airlines logo]()
$1,114
This Turkish Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:20 pm -
3 stops23h 30m
Sat 10/319:40 pm -
2 stops33h 35m
Deal found 9/26![Multiple Airlines logo]()
$1,196
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:05 pm -
2 stops17h 20m
Tue 11/179:30 am -
3 stops34h 52m
Deal found 9/26![Multiple Airlines logo]()
$1,416
Last-minute flights from Austin to SofiaDiscover last-minute flight deals from Austin to Sofia. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Sofia. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:29 pm -
2 stops46h 26m
Sat 10/312:00 pm -
2 stops39h 33m
Deal found 9/26![United Airlines logo]()
$864
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:05 pm -
1 stop14h 20m
Sat 10/317:00 pm -
1 stop27h 05m
Deal found 9/26![Lufthansa logo]()
$899
This Turkish Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:20 pm -
3 stops23h 30m
Sat 10/319:40 pm -
2 stops33h 35m
Deal found 9/26![Multiple Airlines logo]()
$1,196
This United deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 pm -
2 stops21h 55m
Tue 11/106:25 am -
1 stop15h 40m
Deal found 9/25![Multiple Airlines logo]()
$786
This Air Canada deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:25 am -
2 stops19h 50m
Tue 11/106:25 am -
3 stops36h 46m
Deal found 9/25![Air Canada logo]()
$1,273
One-way flights from Austin to SofiaSearch for one-way flight options from Austin to Sofia. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Austin to Sofia. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:30 pm -
3 stops58h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:07 am -
2 stops26h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:43 pm -
2 stops39h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$583
This Lufthansa deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:05 pm -
1 stop22h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Lufthansa logo]()
$621
This United deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:07 pm -
2 stops22h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$630
This Lufthansa deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:05 pm -
1 stop22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Lufthansa logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:05 pm -
3 stops33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:07 pm -
3 stops60h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$747
This British Airways deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:55 pm -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![British Airways logo]()
$2,606
Find flight deals from Austin to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $731 (United Airlines) |
One-way from | $536 (Kiwi.com) |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 28, 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
Cheapest round-trip
Quickest round-trip
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Fri 10/2
4:05 pm-10:30 pm
1 stop22h 25m
Sofia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$621
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Thu 10/1
12:07 pm-6:40 pm
2 stops22h 33m
Sofia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$630
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sat 10/3
4:05 pm-10:50 pm
1 stop22h 45m
Sofia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$637
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Thu 10/1
4:07 pm-12:10 pm
3 stops60h 03m
Sofia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$747
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Tue 11/10
3:55 pm-1:25 pm
1 stop13h 30m
Sofia
Tue 11/17
6:25 am-2:05 pm
1 stop15h 40m
$767
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sun 10/25
6:00 pm-10:55 pm
2 stops21h 55m
Sofia
Tue 11/10
6:25 am-2:05 pm
1 stop15h 40m
$786
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sun 11/8
10:45 am-10:55 pm
2 stops28h 10m
Sofia
Sun 11/15
6:25 am-2:05 pm
1 stop15h 40m
$836
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sat 10/24
5:29 pm-11:55 pm
2 stops46h 26m
Sofia
Sat 10/31
2:00 pm-10:33 pm
2 stops39h 33m
$864
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sun 12/13
3:55 pm-1:25 pm
1 stop13h 30m
Sofia
Thu 1/7
7:05 pm-8:55 pm
2 stops57h 50m
$1,026
AustinSofia
AUS Austin Bergstrom - SOF Sofia
AUSSOF
Austin Bergstrom
Sun 12/13
1:15 pm-10:55 pm
2 stops25h 40m
Sofia
Thu 1/7
4:15 pm-11:57 am
2 stops51h 42m
$1,114
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Austin to Sofia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Sofia in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Austin to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from Austin with our price prediction graph.
AUS-SOF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Sofia
Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated September 28, 2026.
Peruse reviews from past customers who have flown with Lufthansa from Austin to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.6
Boarding
7.0
Overall
6.8
Entertainment
6.5
Food
6.3
Comfort
6.8
Reviews
1 / 20
6.0
GoodKunal,Jul 2026
LAX - MUC
Crew
7.6
Boarding
7.0
Overall
6.8
Entertainment
6.5
Food
6.3
Comfort
6.8
Reviews
1 / 20
6.0
GoodKunal,Jul 2026
LAX - MUC
Related info for your journey
Find useful and relevant information for your journey from Austin to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Austin
Popular flights
Sofia flight routes
Complete your trip
Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Sofia by cabin class
Find flights from Austin to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Sofia flights
Browse other Austin and Sofia flight options. Last updated on September 28, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sofia
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
Top airline flying from Austin to Sofia
Discover the top airline that operate flights from Austin to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$862 | Average$1,048 | FlexibilityNo cancel fee | On-time76% |