$319+ Cheap flights from Green Bay to St. Louis (GRB - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — STL
Nov 16 — Nov 231
Round-trip
1 adult, Economy
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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
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Best
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One-way
Cheapest flights from Green Bay to St. LouisExplore 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 October 17, 2026.
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 October 17, 2026.
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/128:29 pm -
1 stop3h 30m
Thu 11/195:00 am -
1 stop4h 32m
Deal found 10/13![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/308:04 pm -
1 stop4h 15m
Sun 11/17:26 am -
1 stop6h 33m
Deal found 10/13![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 10/218:04 pm -
1 stop4h 15m
Tue 10/275:00 am -
1 stop4h 22m
Deal found 10/12![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 10/236:20 am -
1 stop5h 53m
Sun 10/256:50 pm -
1 stop3h 53m
Deal found 10/16![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
1 stop4h 15m
Tue 11/310:35 am -
2 stops9h 24m
Deal found 10/15![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/173:45 pm -
1 stop5h 36m
Sun 10/181:29 pm -
1 stop6h 19m
Deal found 10/14![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 10/286:00 am -
2 stops9h 51m
Sun 11/18:15 pm -
1 stop3h 51m
Deal found 10/12![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/179:58 am -
2 stops9h 20m
Sun 10/185:27 pm -
1 stop6h 45m
Deal found 10/14![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:15 am -
1 stop4h 17m
Sat 10/315:34 pm -
1 stop5h 09m
Deal found 10/12![United Airlines logo]()
$439
Best flights from Green Bay to St. LouisDiscover carefully curated flight deals from Green Bay to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
Discover carefully curated flight deals from Green Bay to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 12/56:15 am -
1 stop4h 15m
Tue 12/81:18 pm -
1 stop3h 34m
Deal found 10/15![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/308:04 pm -
1 stop4h 15m
Sun 11/17:26 am -
1 stop6h 33m
Deal found 10/13![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
1 stop4h 15m
Tue 11/38:15 pm -
1 stop3h 51m
Deal found 10/15![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 1/76:50 pm -
1 stop4h 30m
Mon 1/111:17 pm -
1 stop3h 54m
Deal found 10/16![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 10/286:00 am -
2 stops9h 51m
Sun 11/18:15 pm -
1 stop3h 51m
Deal found 10/12![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:15 am -
1 stop4h 17m
Sat 10/315:34 pm -
1 stop5h 09m
Deal found 10/12![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 12/56:16 pm -
1 stop5h 46m
Tue 12/85:00 am -
2 stops9h 03m
Deal found 10/15![American Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/15:55 pm -
1 stop3h 45m
Thu 11/59:40 am -
1 stop4h 59m
Deal found 10/16![United Airlines logo]()
$515
Last-minute flights from Green Bay to St. LouisDiscover last-minute flight deals from Green Bay to St. Louis. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to St. Louis. Data last updated October 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/173:45 pm -
1 stop5h 36m
Sun 10/181:29 pm -
1 stop6h 19m
Deal found 10/14![United Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/179:58 am -
2 stops9h 20m
Sun 10/185:27 pm -
1 stop6h 45m
Deal found 10/14![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 10/218:04 pm -
1 stop4h 15m
Tue 10/275:00 am -
1 stop4h 22m
Deal found 10/12![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 10/236:20 am -
1 stop5h 53m
Sun 10/256:50 pm -
1 stop3h 53m
Deal found 10/16![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:15 am -
1 stop4h 17m
Sat 10/315:34 pm -
1 stop5h 09m
Deal found 10/12![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Wed 10/286:00 am -
2 stops9h 51m
Sun 11/18:15 pm -
1 stop3h 51m
Deal found 10/12![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/308:04 pm -
1 stop4h 15m
Sun 11/17:26 am -
1 stop6h 33m
Deal found 10/13![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
1 stop4h 15m
Tue 11/310:35 am -
2 stops9h 24m
Deal found 10/15![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/128:29 pm -
1 stop3h 30m
Thu 11/195:00 am -
1 stop4h 32m
Deal found 10/13![American Airlines logo]()
$319
One-way flights from Green Bay to St. LouisSearch for one-way flight options from Green Bay to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
Search for one-way flight options from Green Bay to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This American Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 10/298:04 pm -
1 stop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$344
Find 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 October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
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 7,457,451 searches. Data last updated October 17, 2026.
Use the filters below to find and compare flights from Green Bay to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Sat 12/5
6:15 am-10:30 am
1 stop4h 15m
Lambert-St Louis
Tue 12/8
1:18 pm-4:52 pm
1 stop3h 34m
$319
Quickest round-trip
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Thu 10/29
8:04 pm-12:19 am
1 stop4h 15m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$344
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Fri 10/30
8:04 pm-12:19 am
1 stop4h 15m
Lambert-St Louis
Sun 11/1
7:26 am-1:59 pm
1 stop6h 33m
$349
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Fri 10/30
8:04 pm-12:19 am
1 stop4h 15m
Lambert-St Louis
Tue 11/3
8:15 pm-12:06 am
1 stop3h 51m
$349
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Thu 1/7
6:50 pm-11:20 pm
1 stop4h 30m
Lambert-St Louis
Mon 1/11
1:17 pm-5:11 pm
1 stop3h 54m
$409
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Wed 10/28
6:00 am-3:51 pm
2 stops9h 51m
Lambert-St Louis
Sun 11/1
8:15 pm-12:06 am
1 stop3h 51m
$423
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Sat 12/5
6:16 pm-12:02 am
1 stop5h 46m
Lambert-St Louis
Tue 12/8
5:00 am-2:03 pm
2 stops9h 03m
$428
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Tue 10/27
6:15 am-10:32 am
1 stop4h 17m
Lambert-St Louis
Sat 10/31
5:34 pm-10:43 pm
1 stop5h 09m
$439
Green BaySt. Louis
GRB Green Bay Austin-Straubel - STL Lambert-St Louis
GRBSTL
Green Bay Austin-Straubel
Sun 11/1
5:55 pm-9:40 pm
1 stop3h 45m
Lambert-St Louis
Thu 11/5
9:40 am-2:39 pm
1 stop4h 59m
$515
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
GRB-STL
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.
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 October 17, 2026.
Read through reviews of airlines operating flights from Green Bay to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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Green Bay and St. Louis flights
Browse other Green Bay and St. Louis flight options. Last updated on October 17, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
Top airline flying from Green Bay to St. Louis
Discover the top airline 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 7,457,451 searches. Data last updated October 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$384 | FlexibilityNo cancel fee | On-time69% |