HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$215+ Cheap flights from Green Bay to St. Louis (GRB - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — STL
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Green Bay to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$215
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$248
Provider with most accurate pricing for Green Bay Austin-Straubel-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Lambert-St Louis flights.
Search Deals
From Green Bay Austin-Straubel to Lambert-St Louis
Search Deals
One-way flight from Green Bay Austin-Straubel to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Green Bay to St. Louis

Cheapest flights from Green Bay to St. Louis
Explore the most affordable flight options available from Green Bay to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

This American Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:53 pm
GRB
-
STL
1 stop3h 20m
American Airlines
Tue 2/176:31 pm
STL
-
GRB
1 stop5h 01m
American Airlines
Deal found 1/17$249
This United Airlines deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 am
GRB
-
STL
1 stop4h 29m
United Airlines
Sat 1/316:30 am
STL
-
GRB
1 stop3h 37m
United Airlines
Deal found 1/17$339
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:51 pm
GRB
-
STL
1 stop5h 12m
American Airlines
Sat 9/126:06 am
STL
-
GRB
1 stop2h 58m
American Airlines
Deal found 1/18$349
This American Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:32 pm
GRB
-
STL
1 stop5h 03m
American Airlines
Sun 2/229:35 am
STL
-
GRB
2 stops10h 07m
American Airlines
Deal found 1/18$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 19, 2026.
Use the filters below to find and compare flights from Green Bay to St. Louis that are best for you.

Fly from

Green Bay

Fly to

St. Louis

Route

Depart

Return

Price

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 2/20

12:08 pm-4:45 pm

1 stop4h 37m

Lambert-St Louis

Tue 2/24

5:29 pm-10:01 pm

1 stop4h 32m

$249

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 2/9

4:53 pm-8:13 pm

1 stop3h 20m

Lambert-St Louis

Tue 2/17

6:31 pm-11:32 pm

1 stop5h 01m

$249

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 2/20

12:08 pm-4:45 pm

1 stop4h 37m

Lambert-St Louis

Sun 2/22

6:10 am-11:24 am

1 stop5h 14m

$249

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Tue 1/27

8:00 am-2:30 pm

1 stop6h 30m

Lambert-St Louis

Sat 1/31

6:30 am-10:07 am

1 stop3h 37m

$339

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Tue 7/7

6:08 am-12:41 pm

1 stop6h 33m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Compare providers for flights from Green Bay to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-St. Louis flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to St. Louis

What is the cheapest month to book a flight from Green Bay to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Green Bay to St. Louis (average of $198). Flying from Green Bay to St. Louis in December is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated January 19, 2026.
Read through reviews of airlines operating flights from Green Bay to St. Louis, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,075 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,075 reviews
Delta
7.9
Good
8,075 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,176 reviews
Delta
7.9
Good
8,075 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,160 reviews
Delta
7.9
Good
8,075 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Green Bay to St. Louis?

    For as low as $249, Delta can have you in St. Louis from Green Bay in 3h 20m. The distance between Green Bay and St. Louis is about 412 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Green Bay to St. Louis round-trip?

    Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $238 and $248, respectively. American Airlines is currently priced 36% below the average price you’ll pay for this route.

  • Can I find deals for flights from Green Bay to St. Louis that include hotel bookings?

    Yes. In addition to deals on Green Bay to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to St. Louis.

  • Can I find deals for business class flights from Green Bay to St. Louis?

    Yes. Cheapflights offers flight deals from Green Bay to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Green Bay to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Green Bay to St. Louis (average of $198). Flying from Green Bay to St. Louis in December is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Kansas City flights
O'Hare Intl to St. Louis flights
Minneapolis to St. Louis flights
Minneapolis to Kansas City flights
O'Hare Intl to Columbia flights
O'Hare Intl to Springfield flights
Milwaukee to St. Louis flights
Milwaukee to Kansas City flights
Madison to Kansas City flights
Appleton to St. Louis flights
Madison to Columbia flights
Minneapolis to Springfield flights
Appleton to Kansas City flights
Green Bay to Kansas City flights
Madison to St. Louis flights
Minneapolis to Branson flights
Wausau to Kansas City flights
Duluth to Kansas City flights
O'Hare Intl to Cape Girardeau flights
Milwaukee to Springfield flights
Green Bay to Springfield flights
Appleton to Springfield flights
La Crosse to St. Louis flights
Escanaba to Kansas City flights
Milwaukee to Joplin flights
Green Bay to Joplin flights
La Crosse to Kansas City flights
O'Hare Intl to Branson flights
La Crosse to Columbia flights
Wausau to St. Louis flights
Wausau to Springfield flights
Rhinelander to St. Louis flights

Top 3 airlines flying from Green Bay to St. Louis

Discover the top 3 airlines that operate flights from Green Bay to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$318FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$475FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$438FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.