$100 Cheap Flights from St. Louis (STL) to Green Bay (GRB)

View $100 flight on Thu, Jan 1, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Green Bay Austin Straubel Intl. Airport (GRB)

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

Prices were available within the past 7 days and start at $100 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 18 - Sat, Oct 25
STL
St. Louis
GRB
Green Bay
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Sat, Oct 18 from St. Louis to Green Bay, returning Sat, Oct 25, priced at $229 just found
Delta
Tue, Dec 16 - Thu, Jan 1
STL
St. Louis
GRB
Green Bay
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Dec 16 from St. Louis to Green Bay, returning Thu, Jan 1, priced at $233 found 3 days ago
Delta
Tue, Dec 16 - Sat, Jan 10
STL
St. Louis
GRB
Green Bay
$234 Roundtrip, found 22 hours ago
$234
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Dec 16 from St. Louis to Green Bay, returning Sat, Jan 10, priced at $234 found 22 hours ago
United
Tue, Sep 2 - Sat, Sep 6
STL
St. Louis
GRB
Green Bay
$234 Roundtrip, found 9 hours ago
$234
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Sep 2 from St. Louis to Green Bay, returning Sat, Sep 6, priced at $234 found 9 hours ago
American Airlines
Tue, Oct 21 - Sat, Oct 25
STL
St. Louis
GRB
Green Bay
$234 Roundtrip, found 22 hours ago
$234
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Oct 21 from St. Louis to Green Bay, returning Sat, Oct 25, priced at $234 found 22 hours ago
Delta
Sun, Aug 31 - Wed, Sep 3
STL
St. Louis
GRB
Green Bay
$237 Roundtrip, found 10 hours ago
$237
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Aug 31 from St. Louis to Green Bay, returning Wed, Sep 3, priced at $237 found 10 hours ago
Delta
Sat, Dec 13 - Thu, Jan 1
STL
St. Louis
GRB
Green Bay
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Dec 13 from St. Louis to Green Bay, returning Thu, Jan 1, priced at $238 found 3 days ago
Delta
Fri, Jan 30 - Sun, Feb 15
STL
St. Louis
GRB
Green Bay
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 30 from St. Louis to Green Bay, returning Sun, Feb 15, priced at $239 found 2 days ago
American Airlines
Fri, Oct 3 - Sun, Oct 5
STL
St. Louis
GRB
Green Bay
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Oct 3 from St. Louis to Green Bay, returning Sun, Oct 5, priced at $249 found 12 hours ago
American Airlines
Tue, Oct 21 - Sat, Oct 25
STL
St. Louis
GRB
Green Bay
$253 Roundtrip, found 22 hours ago
$253
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Oct 21 from St. Louis to Green Bay, returning Sat, Oct 25, priced at $253 found 22 hours ago

Find the cheapest month to fly from St. Louis (STL) to Green Bay (GRB)

May is typically the cheapest month to fly

From $198 - $456 per traveler.

Graph displaying average flight prices per month

Alternative airports near Green Bay

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

Select flight to Appleton Intl. ATW. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $434
ATW
Appleton Intl.
Cheapest
Average driving time to city center40 min
Flights from $434
Flights from St. Louis (STL) to Green Bay (GRB)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Austin Straubel Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$228
Distance
413 mi

St. Louis to Green Bay Flights

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

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

 

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

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

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 Green Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Green Bay 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 Green Bay 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 Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB) cost?
Grab a cheap one-way flight from $100 or cheap return flight from $229 from Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB)?
Traveling in October may help you find better deals, as it's the cheapest month for flights between STL and GRB. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to GRB. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB)?
There aren't any daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from STL to GRB?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, 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 Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB) route, travel before 3 PM. Departures after this hour 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 Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB) last-minute?
Booking your flight from STL to GRB just before your trip is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to GRB flight and hotel package?
Securing a STL to GRB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of accommodations and then add car rentals, activities 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 Lambert-St. Louis Intl. Airport (STL) to Austin Straubel Intl. Airport (GRB)?
If you reserved your STL to GRB flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type 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 for further details.

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*Available to One Key members.