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St. Louis

$223+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — STL
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
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Cheap 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 July 14, 2026.

This American Airlines deal was found by Cheapflights users on 7/9. 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 7/9$289
This United Airlines deal was found by Cheapflights users on 7/9. 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 7/9$314
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:34 pm
GRB
-
STL
1 stop6h 49m
United Airlines
Fri 8/146:54 pm
STL
-
GRB
1 stop4h 25m
United Airlines
Deal found 7/13$317
This United Airlines deal was found by Cheapflights users on 7/12. 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.
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 7/12$359
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:05 pm
GRB
-
STL
1 stop4h 41m
Delta
Tue 7/216:30 am
STL
-
GRB
1 stop3h 57m
Delta
Deal found 7/13$374
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Thu 7/166:30 am
GRB
-
STL
1 stop5h 41m
United Airlines
Sat 7/186:00 am
STL
-
GRB
1 stop4h 01m
United Airlines
Deal found 7/12$389
This American Airlines deal was found by Cheapflights users on 7/11. 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 8/1012:26 pm
GRB
-
STL
2 stops10h 14m
American Airlines
Mon 8/178:07 pm
STL
-
GRB
1 stop4h 09m
American Airlines
Deal found 7/11$427
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/166:08 am
GRB
-
STL
1 stop6h 43m
American Airlines
Tue 7/2112:40 pm
STL
-
GRB
2 stops11h 32m
American Airlines
Deal found 7/9$428
This American Airlines deal was found by Cheapflights users on 7/9. 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 9/77:02 pm
GRB
-
STL
1 stop5h 12m
American Airlines
Fri 9/115:00 am
STL
-
GRB
1 stop4h 35m
American Airlines
Deal found 7/9$445
This American Airlines deal was found by Cheapflights users on 7/9. 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 10/319:58 am
GRB
-
STL
2 stops12h 01m
American Airlines
Thu 11/55:00 am
STL
-
GRB
1 stop4h 22m
American Airlines
Deal found 7/9$447

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 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$223
(United Airlines)
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

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 14, 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

Price

Cheapest round-trip
Quickest round-trip

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 8/8

12:34 pm-7:23 pm

1 stop6h 49m

Lambert-St Louis

Fri 8/14

6:54 pm-11:19 pm

1 stop4h 25m

$317

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 7/16

6:50 am-1:05 pm

1 stop6h 15m

Lambert-St Louis

Tue 7/21

6:21 am-11:20 am

1 stop4h 59m

$374

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 7/31

9:00 am-3:46 pm

1 stop6h 46m

Lambert-St Louis

Sun 8/2

6:00 am-11:59 am

1 stop5h 59m

$374

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 7/16

6:30 am-12:11 pm

1 stop5h 41m

Lambert-St Louis

Sat 7/18

6:00 am-10:01 am

1 stop4h 01m

$389
Cheapest one-way

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 7/30

6:50 am-1:05 pm

1 stop6h 15m

$223

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sun 7/26

6:30 am-12:11 pm

1 stop5h 41m

$223
Quickest one-way

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 7/27

6:52 pm-11:29 pm

1 stop4h 37m

$223

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 7/27

3:24 pm-11:58 pm

2 stops8h 34m

$403

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sun 7/26

6:08 am-4:28 pm

2 stops10h 20m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 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.
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 14, 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.
United Airlines
7.4
Good
9,983 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,983 reviews
United Airlines
7.4
Good
9,983 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,810 reviews
United Airlines
7.4
Good
9,983 reviews

Crew

8.1

Food

6.7

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 $289, American Airlines can have you in St. Louis from Green Bay in 4h. 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 United Airlines is currently your cheapest option to St. Louis, with prices starting at $243. Another option worth looking into is American Airlines, starting at $248 round trip.

  • 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.

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
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

Browse thousands of different options on Cheapflights for your next trip

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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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$337FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time71%

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