$221 Cheap Flights from Tri-Cities (TRI) to Austin (AUS)

View $221 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin-Bergstrom Intl. Airport (AUS)

Cheap Flights from Tri-Cities to Austin (TRI-AUS)

Prices were available within the past 7 days and start at $221 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Apr 17 - Mon, Apr 20
TRI
Tri-Cities
AUS
Austin
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Apr 17 from Tri-Cities to Austin, returning Mon, Apr 20, priced at $299 found 3 days ago
Delta
Fri, Nov 13 - Sun, Nov 15
TRI
Tri-Cities
AUS
Austin
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 13 from Tri-Cities to Austin, returning Sun, Nov 15, priced at $319 found 1 day ago
Delta
Tue, Jul 14 - Thu, Jul 23
TRI
Tri-Cities
AUS
Austin
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 14 from Tri-Cities to Austin, returning Thu, Jul 23, priced at $334 found 1 day ago
American Airlines
Fri, Nov 13 - Sun, Nov 15
TRI
Tri-Cities
AUS
Austin
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 13 from Tri-Cities to Austin, returning Sun, Nov 15, priced at $339 found 1 day ago
Delta
Mon, Aug 24 - Mon, Aug 31
TRI
Tri-Cities
AUS
Austin
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug 24 from Tri-Cities to Austin, returning Mon, Aug 31, priced at $349 found 1 day ago
Delta
Wed, Jun 10 - Wed, Jun 17
TRI
Tri-Cities
AUS
Austin
$354 Roundtrip, found 7 hours ago
$354
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Jun 10 from Tri-Cities to Austin, returning Wed, Jun 17, priced at $354 found 7 hours ago
American Airlines
Sat, Apr 18 - Fri, Apr 24
TRI
Tri-Cities
AUS
Austin
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 18 from Tri-Cities to Austin, returning Fri, Apr 24, priced at $364 found 5 days ago
Delta
Thu, Apr 2 - Sun, Apr 5
TRI
Tri-Cities
AUS
Austin
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 2 from Tri-Cities to Austin, returning Sun, Apr 5, priced at $369 found 4 days ago
Delta
Fri, Nov 13 - Sun, Nov 15
TRI
Tri-Cities
AUS
Austin
$379 Roundtrip, found 1 day ago
$379
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 13 from Tri-Cities to Austin, returning Sun, Nov 15, priced at $379 found 1 day ago
United
Mon, Jun 8 - Tue, Jun 16
TRI
Tri-Cities
AUS
Austin
$672 Roundtrip, found 1 hour ago
$672
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jun 8 from Tri-Cities to Austin, returning Tue, Jun 16, priced at $672 found 1 hour ago

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Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $492
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $492

Frequently asked questions

How much does a flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) cost?
You can find cheap one-way flights from $221 and cheap return flights from $299 Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) with Expedia. One-way flights typically cost between $197 and $708, and return flights often range between $406 and $1420. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
February is the cheapest month to fly from Tri-Cities, TN (TRI) to Austin, TX (AUS), with average round-trip fares around $279. This is about 34% lower than the average price throughout the year, as demand is typically lower during the winter months. Other economical months to consider for this route include June and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Enter TRI to AUS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Tri-Cities, TN (TRI) to Austin, TX (AUS), with round-trip tickets starting from around $279 with a layover in Charlotte-Douglas Intl. (CLT). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
To find a cheap flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The best months to fly from Tri-Cities, TN (TRI) to Austin, TX (AUS) are February and June. You can expect return flights to be around $279, making it a budget-friendly choice. February offers mild weather in Austin, while June is lively with summer events, providing a vibrant travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The earliest flight from Tri-Cities Regional Airport (TRI) to Austin-Bergstrom International Airport (AUS) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in November, giving you an early start to enjoy the vibrant culture of Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The most popular departure times for flights from Tri-Cities (TRI) to Austin (AUS) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Airlines, offer flights during this window. This timing works well because it allows you to maximize your day in Austin upon arrival.
How long does it take to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Flights from TRI to AUS with one stop typically take around 6 hours 50 minutes, covering approximately 980 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
First class seats are offered on the TRI to AUS route with Delta Air Lines and American Airlines.
How do I earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight with Expedia?
It's easy to earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Austin from Tri-Cities Regional (TRI)?
If you're planning to travel to Austin from Tri-Cities Regional (TRI), you can fly into Austin-Bergstrom Intl. (AUS) Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) at the last minute?
Typically, booking a last minute flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package?
Securing a Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) Austin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you booked your Tri-Cities, TN (TRI-Tri-Cities Regional) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Austin-Bergstrom Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$298
Distance
980 mi

Book with confidence

Tri-Cities to Austin Flights

The cheapest times to fly from Tri-Cities to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tri-Cities to Austin are during the month of April. You can find some of the cheapest flights from Tri-Cities to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tri-Cities to Austin

Sunday is one of the best days to book for cheap flights from Tri-Cities to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tri-Cities to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tri-Cities to Austin in 2026. You can also book with separate airlines for your outbound and return journeys, from $221 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tri-Cities to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tri-Cities to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Tri-Cities to Austin Flights

*Flight schedules are subject to change.

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*Available to One Key members.