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

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Flight deals from Tri-Cities Airport to Austin-Bergstrom Airport

Looking for a cheap last-minute deal or the best return flight from Tri-Cities Airport to Austin-Bergstrom Airport? If you want to travel next month, return fares start from £279. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Tri-Cities to Austin-Bergstrom

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Austin-Bergstrom flights are currently cheapest in April.

Tri-Cities to Austin-Bergstrom: Alternative routes

Compare routes from Tri-Cities to Austin below. You may find an airport to fly into that's cheaper, faster, or easier than Austin-Bergstrom.

Kingsport to Austin: Flight information

The things to know before you go.
Cheapest flight found£102
Cheapest month to flyApril

Finding cheap flights from Tri-Cities to Austin-Bergstrom: Frequently asked questions

The best price we found for a return flight from Tri-Cities to Austin-Bergstrom is £221. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to Austin-Bergstrom. But we found flights with one or more stops from £221.
As of March 2026, there are no flights flying from Tri-Cities to Austin-Bergstrom.
The cheapest month to fly from Tri-Cities to Austin-Bergstrom is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Austin-Bergstrom Airport on Sunday, 7 June 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Austin-Bergstrom Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Austin-Bergstrom but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Austin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Austin-Bergstrom.

Travelling from Tri-Cities Regional Airport (TRI) to Austin-Bergstrom International Airport (AUS): what you need to know

  • The timezone in Austin is UTC-5, which is one hour behind Kingsport.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your TRI to AUS flight.

  • During popular months like July, it's a good idea to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a peak period in general.

How to find the cheapest flights from Tri-Cities Regional Airport (TRI) to Austin-Bergstrom International Airport (AUS)

  • Currently, £102 is the cheapest price we've found for a one-way Tri-Cities Regional Airport to Austin-Bergstrom International Airport flight. The best price for a return plane ticket is £221. Bear in mind that fares can change due to availability at the time of booking.

  • To get your hands on cheap tickets from TRI to AUS, book in advance. Airlines typically offer the most competitive fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Tri-Cities Regional Airport to Austin-Bergstrom International Airport across every month. It's an easy way to snap up a bargain if your dates are flexible.

  • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from TRI to AUS.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Tri-Cities Regional Airport to Austin-Bergstrom International Airport.

Handy information about Tri-Cities Regional Airport (TRI)

  • You'll find TRI at 2525 Tennessee 75.

  • Of the flights that depart from Tri-Cities Regional Airport, 79.37% touch down on time at their destination.

  • Tri-Cities Regional Airport is about 14 miles from central Kingsport. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.

  • Looking for a handy hotel close to TRI? If you've booked an early flight from Tri-Cities Regional Airport to Austin-Bergstrom International Airport, these stays will have you moments from your check-in counter:

Arriving at Austin-Bergstrom International Airport (AUS)

Getting from Austin-Bergstrom International Airport (AUS) to central Austin

  • The street address for AUS is 3600 Presidential Blvd.

  • Austin-Bergstrom International Airport is roughly 12 miles from the centre of Austin. The drive time takes around 25 minutes.

  • When travelling by public transport, expect a journey of about 3 hours 25 minutes.

When to fly to Austin-Bergstrom International Airport (AUS)

  • The quietest month for a flight from Tri-Cities Regional Airport to Austin-Bergstrom International Airport is April, while July is the most popular. Pick the best time to visit Austin based on whether you prefer a more fast-paced or easygoing experience.

  • When reserving your flight from Tri-Cities Regional Airport to Austin-Bergstrom International Airport, consider the kind of weather you enjoy. August is the warmest month in Austin, with temperatures ranging from 23ºC (73ºF) to 41ºC (106ºF).

  • January sees average temperatures of between 3ºC (37ºF) and 19ºC (66ºF). Search for cheap tickets from TRI to AUS sometime then if you want to travel in cooler conditions.

Explore more of United States

  • Austin is easy to fall in love with, but there are so many other corners of United States you should also see. Around 150 miles east of Austin, a visit to Houston will keep your itinerary packed. Start with popular sights like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • If you want to check out another major destination in United States, head for San Antonio, about 75 miles south-west of Austin. The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.