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Green Bay

$126+ Cheap flights from St. Louis to Green Bay (STL - GRB)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GRB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Green Bay (GRB). 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 September 11, 2025.

Round-trip from

$229
(United Airlines)

One-way from

$126
(Delta)

Popular in

June

Cheapest in

November

Average price

$467
From Lambert-St Louis to Green Bay Austin-Straubel
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One-way flight from Lambert-St Louis to Green Bay Austin-Straubel
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Highest demand for flights based on searches. 16% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Green Bay

Cheapest flights from St. Louis to Green Bay
Explore the most affordable flight options available from St. Louis to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/308:00 amSTL - GRB
1 stop4h 33mUnited Airlines
Mon 11/35:22 pmGRB - STL
1 stop5h 23mUnited Airlines
Deal found 9/10$229
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/256:05 amSTL - GRB
1 stop3h 13mAmerican Airlines
Mon 9/296:00 amGRB - STL
1 stop3h 26mAmerican Airlines
Deal found 9/9$239
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/166:00 amSTL - GRB
1 stop3h 14mAmerican Airlines
Mon 10/208:08 pmGRB - STL
1 stop3h 46mAmerican Airlines
Deal found 9/10$259
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/199:17 amSTL - GRB
1 stop3h 27mUnited Airlines
Mon 9/225:30 pmGRB - STL
1 stop4h 02mUnited Airlines
Deal found 9/10$269
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:15 pmSTL - GRB
1 stop3h 18mDelta
Sat 9/206:05 amGRB - STL
1 stop5h 25mDelta
Deal found 9/11$279
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/139:57 amSTL - GRB
2 stops7h 59mAmerican Airlines
Sat 9/206:00 amGRB - STL
1 stop3h 26mAmerican Airlines
Deal found 9/10$284
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/138:42 amSTL - GRB
1 stop14h 48mAmerican Airlines
Mon 10/208:08 pmGRB - STL
1 stop12h 01mAmerican Airlines
Deal found 9/11$285
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/137:23 amSTL - GRB
1 stop3h 18mAmerican Airlines
Mon 9/156:26 pmGRB - STL
1 stop5h 22mAmerican Airlines
Deal found 9/9$289
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/99:20 amSTL - GRB
1 stop4h 44mUnited Airlines
Sun 10/126:15 amGRB - STL
1 stop4h 34mUnited Airlines
Deal found 9/10$297
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/245:30 pmSTL - GRB
1 stop4h 13mUnited Airlines
Sun 9/286:15 amGRB - STL
1 stop4h 34mUnited Airlines
Deal found 9/9$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Green Bay 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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Green Bay that are best for you.

Fly from

St. Louis

Fly to

Green Bay

Route

Depart

Return

Price

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 10/30

8:00 am-12:33 pm

1 stop4h 33m

Green Bay Austin-Straubel

Mon 11/3

5:22 pm-10:45 pm

1 stop5h 23m

$229

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 9/25

6:05 am-9:18 am

1 stop3h 13m

Green Bay Austin-Straubel

Mon 9/29

6:26 pm-11:48 pm

1 stop5h 22m

$239

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 9/26

6:30 am-10:05 am

1 stop3h 35m

Green Bay Austin-Straubel

Tue 9/30

8:00 am-2:27 pm

1 stop6h 27m

$239

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 9/26

6:10 am-9:18 am

1 stop3h 08m

Green Bay Austin-Straubel

Tue 9/30

6:00 am-3:09 pm

2 stops9h 09m

$269

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 9/19

9:17 am-12:44 pm

1 stop3h 27m

Green Bay Austin-Straubel

Mon 9/22

5:30 pm-9:32 pm

1 stop4h 02m

$269

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 10/13

8:42 am-11:30 pm

1 stop14h 48m

Green Bay Austin-Straubel

Mon 10/20

8:08 pm-8:09 am

1 stop12h 01m

$285

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 10/9

6:00 am-9:14 am

1 stop3h 14m

Green Bay Austin-Straubel

Sun 10/12

8:08 pm-11:54 pm

1 stop3h 46m

$289

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 10/13

5:28 pm-8:58 pm

1 stop3h 30m

Green Bay Austin-Straubel

Mon 10/20

10:40 am-3:44 pm

1 stop5h 04m

$289

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 12/5

5:27 pm-9:32 pm

1 stop4h 05m

Green Bay Austin-Straubel

Mon 12/8

6:15 am-10:46 am

1 stop4h 31m

$289

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 10/9

9:20 am-2:04 pm

1 stop4h 44m

Green Bay Austin-Straubel

Sun 10/12

6:15 am-10:49 am

1 stop4h 34m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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Best time to book a flight from St. Louis to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from St. Louis 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 St. Louis to Green Bay

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Green Bay (average of $331). Flying from St. Louis to Green Bay in July is currently the most expensive (average of $463). 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 Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Green Bay have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Green Bay. 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 St. Louis to Green Bay?

    Departing from St. Louis to Green Bay will take you 3h 13m. St. Louis and Green Bay are separated by a distance of 412 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from St. Louis to Green Bay round-trip from $192. Other airlines that can offer you cheap pricing are Delta, from $213, and American Airlines, from $228. United Airlines is currently priced 51% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Green Bay one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $126. Users have also found prices from $156 and $267 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Green Bay 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 St. Louis to Green Bay?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Green Bay (average of $331). Flying from St. Louis to Green Bay in July is currently the most expensive (average of $463). 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 Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
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Alternative routes for St. Louis to Green Bay

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Top 3 airlines flying from St. Louis to Green Bay

Discover the top 3 airlines that operate flights from St. Louis to Green Bay. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$213Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$437FlexibilityNo cancel feeOn-time71%

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