$437 Cheap Flights from Austin (AUS) to Petersburg (PSG)

View $437 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Petersburg, AK (PSG)

Cheap Flights from Austin to Petersburg (AUS-PSG)

Prices were available within the past 7 days and start at $437 for one-way flights and $868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Aug 10 - Tue, Aug 18
AUS
Austin
PSG
Petersburg
$868 Roundtrip, found 6 days ago
$868
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Aug 10 from Austin to Petersburg, returning Tue, Aug 18, priced at $868 found 6 days ago
Flights from Austin (AUS) to Petersburg (PSG)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Petersburg
Roundtrip price
$868
Distance
2498 mi

Austin to Petersburg Flights

The cheapest times to fly from Austin to Petersburg

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 Austin to Petersburg are during the month of August. You can find some of the cheapest flights from Austin to Petersburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Petersburg

Sunday is one of the best days to book for cheap flights from Austin to Petersburg: 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 Austin to Petersburg

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 Austin to Petersburg in 2026. You can also book with separate airlines for your outbound and return journeys, from $437 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 Austin to Petersburg 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 Austin to Petersburg 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.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG) cost?
Snag a cheap one-way flight from $437 or cheap return flight from $868 from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG)?
The cheapest month to fly from AUS to PSG is August, when there's less demand. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest AUS to PSG flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG)?
There aren't any daily nonstop flights departing from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from AUS to PSG?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG)?
To avoid potential delays on the Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG) last-minute?
Last-minute fares from AUS to PSG are usually more expensive. To secure the best rates, start searching for flights well ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book an AUS to PSG flight and hotel package?
Compared with arranging hotels and flights separately, booking an AUS to PSG flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Petersburg Airport (PSG)?
Typically, it's possible to cancel or reschedule your AUS to PSG flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.