Cheap Flights from St. Louis (STL) to Gustavus (GST)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Gustavus, AK (GST)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST) 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 Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST)?
is the least expensive month to fly from STL to GST. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from STL to GST. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST)?
You'll need to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to GST?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be 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 Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST) last-minute?
Last-minute fares from STL to GST are typically more expensive. For the best prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a STL to GST flight and hotel package?
You can save money by booking a STL to GST flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Gustavus Airport (GST)?
Typically, you're able to cancel or reschedule your STL to GST flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Gustavus
Distance
2410 mi

Book with confidence

Book with confidence

St. Louis to Gustavus Flights

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

 

The best time to book a flight from St. Louis to Gustavus

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis 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 St. Louis 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 St. Louis 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.

 

St. Louis to Gustavus Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.