Cheap Flights from Green Bay (GRB) to St. Louis (SUS)

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to St. Louis, MO (SUS-Spirit of St. Louis)

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Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $244
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $244

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS) cost?
Lock in a cheap one-way flight or cheap return flight from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS) 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 Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS)?
Flying in is a good way to save, as it's the cheapest month for flights between GRB and SUS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from GRB to SUS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS)?
Direct flights from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRB to SUS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, including the time of year 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 Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS)?
To arrive at Spirit of St. Louis Airport (SUS) on schedule, book a flight that takes off from Austin Straubel Intl. Airport (GRB) 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 Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS) last-minute?
Holding off until right before your break to book your flight from GRB to SUS generally means paying more. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a GRB to SUS flight and hotel package?
Securing a GRB to SUS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Spirit of St. Louis Airport (SUS)?
If you booked your GRB to SUS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Spirit of St. Louis
Distance
423 mi

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Green Bay to St. Louis Flights

The cheapest times to fly from Green Bay to St. Louis

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

 

The best time to book a flight from Green Bay to St. Louis

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

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 Green Bay to St. Louis 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 Green Bay to St. Louis 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 Green Bay to St. Louis 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.

 

Green Bay to St. Louis Flights

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