$48+ Cheap flights from Knoxville to Austin (TYS - AUS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Knoxville to Austin 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.Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Austin Bergstrom are usually found in September or March, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Knoxville to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Austin (AUS). 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 June 12, 2025.
Round-trip from | $94 (Booking.com) |
|---|---|
One-way from | $48 (Booking.com) |
Popular in | November |
Cheapest in | September |
Average price | $255 |
Good round-trip deal | $92 or less |
Good one-way deal | $52 or less |
Find flight deals from Knoxville to Austin
Cheapest flights from Knoxville to AustinExplore the most affordable flight options available from Knoxville to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Knoxville to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Booking.com deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Austin 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Knoxville to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 7/11
6:55 am-8:15 am
Nonstop2h 20m
Austin Bergstrom
Mon 7/21
9:05 am-12:22 pm
Nonstop2h 17m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 8/1
6:55 am-8:15 am
Nonstop2h 20m
Austin Bergstrom
Fri 8/8
7:30 am-11:02 am
1 stop26h 32m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 7/4
5:45 am-9:25 am
1 stop4h 40m
Austin Bergstrom
Mon 7/7
6:22 pm-11:59 pm
1 stop4h 37m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 7/4
5:15 am-11:34 am
1 stop7h 19m
Austin Bergstrom
Sun 7/6
5:00 am-11:41 am
1 stop5h 41m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Wed 9/24
9:30 am-1:08 pm
1 stop4h 38m
Austin Bergstrom
Tue 9/30
9:44 am-10:50 pm
2 stops12h 06m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Sun 6/22
5:25 pm-11:48 pm
1 stop7h 23m
Austin Bergstrom
Thu 6/26
6:00 am-4:29 pm
1 stop9h 29m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Mon 8/11
6:55 am-8:15 am
Nonstop2h 20m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Mon 8/11
8:52 am-10:18 pm
1 stop14h 26m
KnoxvilleAustin
TYS - AUS
TYSAUS
Knoxville McGhee Tyson
Fri 7/25
7:00 am-11:44 am
1 stop5h 44m
Best time to book a flight from Knoxville to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Knoxville with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to Austin
How far ahead should I book a flight from Knoxville to Austin?
Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Austin. Price data was last updated on June 9, 2025.
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Knoxville to Austin?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Austin (average of $286). Flying from Knoxville to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TYS to AUS?
Find hourly flight availability from Knoxville to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
One of the essential ways to save on airfare from Knoxville to Austin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 50% on airfare.
What is the cheapest day to fly from Knoxville to Austin?
Use this chart to determine the cheapest time to fly round-trip from Knoxville to Austin. Price data was last updated on June 8, 2025.
Travelers seeking maximum savings on their Knoxville to Austin flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Austin by month
Plan your trip to Austin by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.
Temperature in Austin by month
Plan your trip to Austin by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from Knoxville to Austin have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Knoxville to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Knoxville to Austin
Discover the top 4 airlines that operate flights from Knoxville to Austin. 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 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$157 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$216 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$347 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$390 | FlexibilityNo cancel fee | On-time69% |