Cheap Flights from San Antonio (SAT) to Gustavus (GST)

Popular airlines from San Antonio International Airport (SAT) to Gustavus, AK (GST)

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST) cost?
Get a cheap one-way flight or cheap return flight from San Antonio Intl. Airport (SAT) 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 San Antonio Intl. Airport (SAT) to Gustavus Airport (GST)?
is the cheapest month to fly from SAT to GST. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from SAT to GST. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST)?
You'll have to take a flight with a layover if you're traveling from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SAT to GST?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST)?
To land at Gustavus Airport (GST) on schedule, book a flight that leaves from San Antonio Intl. Airport (SAT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 San Antonio Intl. Airport (SAT) to Gustavus Airport (GST) last-minute?
Last-minute fares from SAT to GST are typically more expensive. To lock in the lowest prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a SAT to GST flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAT to GST flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Gustavus Airport (GST)?
If you booked your SAT to GST flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. 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
San Antonio Intl.
Destination airport
Gustavus
Distance
2659 mi

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San Antonio to Gustavus Flights

The cheapest times to fly from San Antonio 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 San Antonio to Gustavus are during the month of . You can find some of the cheapest flights from San Antonio to Gustavus with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Gustavus

Sunday is one of the best days to book for cheap flights from San Antonio 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 San Antonio 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 San Antonio to Gustavus in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 San Antonio 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 San Antonio 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.

 

San Antonio to Gustavus Flights

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*Available to One Key members.