$289+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — STL
Aug 19 — Aug 261
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
Last-minute
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 July 20, 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 July 20, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:16 pm
GRB
- STL
1 stop7h 00m
Delta
Sat 9/125:47 pm
STL
- GRB
1 stop3h 48m
Delta
Deal found 7/19![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 8/66:52 pm
GRB
- STL
1 stop4h 37m
United Airlines
Sat 8/85:59 pm
STL
- GRB
1 stop5h 20m
United Airlines
Deal found 7/17![United Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 10/315:18 pm
GRB
- STL
1 stop3h 55m
United Airlines
Thu 11/57:33 am
STL
- GRB
1 stop5h 22m
United Airlines
Deal found 7/16![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:08 am
GRB
- STL
1 stop6h 03m
Delta
Sat 10/245:29 pm
STL
- GRB
1 stop4h 04m
Delta
Deal found 7/19![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/15. 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 12/1210:45 am
GRB
- STL
1 stop4h 56m
United Airlines
Tue 12/155:00 am
STL
- GRB
1 stop5h 30m
United Airlines
Deal found 7/15![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/118:27 pm
GRB
- STL
1 stop4h 00m
American Airlines
Sat 9/1210:21 am
STL
- GRB
2 stops9h 35m
American Airlines
Deal found 7/20![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:50 am
GRB
- STL
1 stop6h 15m
Delta
Tue 7/216:21 am
STL
- GRB
1 stop4h 59m
Delta
Deal found 7/15![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 8/67:02 pm
GRB
- STL
1 stop5h 12m
American Airlines
Sat 8/88:34 am
STL
- GRB
2 stops9h 51m
American Airlines
Deal found 7/17![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/155:37 am
GRB
- STL
2 stops10h 37m
American Airlines
Fri 8/218:07 pm
STL
- GRB
1 stop4h 09m
American Airlines
Deal found 7/16![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/19. 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 10/238:15 pm
GRB
- STL
1 stop3h 43m
American Airlines
Sat 10/249:27 am
STL
- GRB
2 stops8h 55m
American Airlines
Deal found 7/19![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 7/16. 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 7/161:01 pm
GRB
- STL
1 stop3h 39m
American Airlines
Tue 7/215:58 pm
STL
- GRB
1 stop6h 14m
American Airlines
Deal found 7/16![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Sat 10/316:00 am
GRB
- STL
2 stops8h 30m
American Airlines
Thu 11/55:00 am
STL
- GRB
1 stop4h 22m
American Airlines
Deal found 7/17![American Airlines logo]()
$423
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 July 20, 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 July 20, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:03 pm
GRB
- STL
1 stop4h 41m
Delta
Mon 8/245:34 pm
STL
- GRB
1 stop3h 33m
Delta
Deal found 7/19![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/118:27 pm
GRB
- STL
1 stop4h 00m
American Airlines
Sat 9/125:00 am
STL
- GRB
1 stop4h 35m
American Airlines
Deal found 7/20![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 10/315:18 pm
GRB
- STL
1 stop3h 55m
United Airlines
Thu 11/57:33 am
STL
- GRB
1 stop5h 22m
United Airlines
Deal found 7/16![United Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Sat 9/268:27 pm
GRB
- STL
1 stop4h 00m
American Airlines
Sat 10/35:00 am
STL
- GRB
1 stop4h 35m
American Airlines
Deal found 7/18![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:15 am
GRB
- STL
1 stop4h 08m
Delta
Sat 8/155:34 pm
STL
- GRB
1 stop3h 33m
Delta
Deal found 7/19![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:08 am
GRB
- STL
1 stop6h 03m
Delta
Sat 10/245:29 pm
STL
- GRB
1 stop4h 04m
Delta
Deal found 7/19![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/19. 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 12/1210:45 am
GRB
- STL
1 stop4h 56m
United Airlines
Tue 12/155:00 am
STL
- GRB
1 stop5h 30m
United Airlines
Deal found 7/19![United Airlines logo]()
$359
Last-minute flights from Green Bay to St. LouisDiscover last-minute flight deals from Green Bay to St. Louis. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to St. Louis. Data last updated July 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:50 am
GRB
- STL
1 stop6h 15m
Delta
Tue 7/216:21 am
STL
- GRB
1 stop4h 59m
Delta
Deal found 7/15![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/16. 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 7/161:01 pm
GRB
- STL
1 stop3h 39m
American Airlines
Tue 7/215:58 pm
STL
- GRB
1 stop6h 14m
American Airlines
Deal found 7/16![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 7/161:01 pm
GRB
- STL
2 stops8h 47m
American Airlines
Mon 7/205:58 pm
STL
- GRB
1 stop6h 14m
American Airlines
Deal found 7/15![American Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 8/36:52 pm
GRB
- STL
1 stop4h 37m
United Airlines
Tue 8/45:59 pm
STL
- GRB
1 stop5h 20m
United Airlines
Deal found 7/15![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 8/66:52 pm
GRB
- STL
1 stop4h 37m
United Airlines
Sat 8/85:59 pm
STL
- GRB
1 stop5h 20m
United Airlines
Deal found 7/17![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 8/67:02 pm
GRB
- STL
1 stop5h 12m
American Airlines
Sat 8/88:34 am
STL
- GRB
2 stops9h 51m
American Airlines
Deal found 7/17![American Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:15 am
GRB
- STL
1 stop4h 08m
Delta
Sat 8/155:34 pm
STL
- GRB
1 stop3h 33m
Delta
Deal found 7/19![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/155:37 am
GRB
- STL
2 stops10h 37m
American Airlines
Fri 8/218:07 pm
STL
- GRB
1 stop4h 09m
American Airlines
Deal found 7/16![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 8/185:55 am
GRB
- STL
2 stops10h 55m
American Airlines
Mon 8/246:00 am
STL
- GRB
1 stop5h 56m
American Airlines
Deal found 7/19![American Airlines logo]()
$378
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 July 20, 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 July 20, 2026.
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 7/256:52 pm
GRB
- STL
1 stop4h 37m
United Airlines
Deal found 7/16![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 7/2512:46 pm
GRB
- STL
2 stops11h 12m
American Airlines
Deal found 7/16![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:16 pm
GRB
- STL
3 stops46h 07m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,407
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 July 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Delta) |
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 July 20, 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 - STL
GRBSTL
Green Bay Austin-Straubel
Tue 8/18
12:03 pm-4:44 pm
1 stop4h 41m
Lambert-St Louis
Mon 8/24
5:34 pm-9:07 pm
1 stop3h 33m
$289
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Fri 9/11
8:27 pm-12:27 am
1 stop4h 00m
Lambert-St Louis
Sat 9/12
5:00 am-9:35 am
1 stop4h 35m
$289
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sat 9/26
8:27 pm-12:27 am
1 stop4h 00m
Lambert-St Louis
Sat 10/3
5:00 am-9:35 am
1 stop4h 35m
$289
Quickest round-trip
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sun 8/9
6:15 am-10:23 am
1 stop4h 08m
Lambert-St Louis
Sat 8/15
5:34 pm-9:07 pm
1 stop3h 33m
$289
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sat 10/31
5:18 pm-9:13 pm
1 stop3h 55m
Lambert-St Louis
Thu 11/5
7:33 am-12:55 pm
1 stop5h 22m
$313
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Fri 10/23
11:08 am-5:11 pm
1 stop6h 03m
Lambert-St Louis
Sat 10/24
5:29 pm-9:33 pm
1 stop4h 04m
$314
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sat 12/12
10:45 am-3:41 pm
1 stop4h 56m
Lambert-St Louis
Tue 12/15
5:00 am-10:30 am
1 stop5h 30m
$359
Cheapest one-way
Quickest one-way
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sat 7/25
6:52 pm-11:29 pm
1 stop4h 37m
$309
Green BaySt. Louis
GRB - STL
GRBSTL
Green Bay Austin-Straubel
Sat 7/25
4:16 pm-2:23 pm
3 stops46h 07m
$1,407
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 July.
| 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 July 20, 2026.
Read through reviews of airlines operating flights from Green Bay to St. Louis, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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 locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Green Bay and St. Louis flights
Browse other Green Bay and St. Louis flight options. Last updated on July 20, 2026.
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Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
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Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Top 2 airlines flying from Green Bay to St. Louis
Discover the top 2 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 July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$337 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$338 | FlexibilityNo cancel fee | On-time71% |