$530 Cheap Flights from Austin (AUS) to Gustavus (GST)

View $530 flight on Sat, Aug 8, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Gustavus, AK (GST)

Cheap Flights from Austin to Gustavus (AUS-GST)

Prices were available within the past 7 days and start at $530 for one-way flights and $998 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Aug 9 - Mon, Aug 10
AUS
Austin
GST
Gustavus
$998 Roundtrip, found 3 days ago
$998
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 9 from Austin to Gustavus, returning Mon, Aug 10, priced at $998 found 3 days ago
Alaska Airlines
Sun, Aug 9 - Mon, Aug 10
AUS
Austin
GST
Gustavus
$1,113 Roundtrip, found 3 days ago
$1,113
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 9 from Austin to Gustavus, returning Mon, Aug 10, priced at $1,113 found 3 days ago
Alaska Airlines
Sun, Aug 9 - Mon, Aug 10
AUS
Austin
GST
Gustavus
$1,242 Roundtrip, found 3 days ago
$1,242
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 9 from Austin to Gustavus, returning Mon, Aug 10, priced at $1,242 found 3 days ago
Alaska Airlines
Sun, Aug 9 - Mon, Aug 10
AUS
Austin
GST
Gustavus
$1,364 Roundtrip, found 3 days ago
$1,364
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 9 from Austin to Gustavus, returning Mon, Aug 10, priced at $1,364 found 3 days ago
Alaska Airlines
Sat, Dec 20 - Sat, Jan 3
AUS
Austin
GST
Gustavus
$1,765 Roundtrip, found 3 days ago
$1,765
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Dec 20 from Austin to Gustavus, returning Sat, Jan 3, priced at $1,765 found 3 days ago

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST) cost?
Lock in a cheap one-way flight from $530 or cheap return flight from $998 from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST)?
August is the cheapest month to fly from AUS to GST. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest AUS to GST flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST)?
Nonstop flights from Austin-Bergstrom Intl. Airport (AUS) to Gustavus Airport (GST) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AUS to GST?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But 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 Gustavus Airport (GST)?
To land at Gustavus Airport (GST) on schedule, choose a flight that takes off from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Gustavus Airport (GST) last-minute?
Booking your ticket from AUS to GST shortly before your getaway is usually more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an AUS to GST flight and hotel package?
Compared with arranging flights and hotels separately, booking an AUS to GST flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, 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 Gustavus Airport (GST)?
In most cases, you're able to reschedule or cancel your AUS to GST flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Gustavus
Roundtrip price
$998
Distance
2644 mi

Book with confidence

Austin to Gustavus Flights

The cheapest times to fly from Austin to Gustavus

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

 

The best time to book a flight from Austin to Gustavus

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

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 Gustavus in 2025. You can also book with separate airlines for your outbound and return journeys, from $530 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 Gustavus 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 Gustavus 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.

 

Austin to Gustavus Flights

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*Available to One Key members.