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Green Bay

$146+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GRB
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheap 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 April 23, 2026.

This Delta deal was found by Cheapflights users on 4/21. 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 5/225:36 pm
STL
-
GRB
1 stop4h 22m
Delta
Mon 5/257:00 am
GRB
-
STL
1 stop6h 10m
Delta
Deal found 4/21$309
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/275:14 am
STL
-
GRB
2 stops9h 11m
American Airlines
Sun 5/316:51 pm
GRB
-
STL
1 stop5h 03m
American Airlines
Deal found 4/21$314
This Delta deal was found by Cheapflights users on 4/21. 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 5/711:25 am
STL
-
GRB
1 stop4h 14m
Delta
Mon 5/115:01 pm
GRB
-
STL
1 stop4h 08m
Delta
Deal found 4/21$319
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/67:00 am
STL
-
GRB
2 stops9h 54m
American Airlines
Sun 5/105:24 pm
GRB
-
STL
1 stop4h 55m
American Airlines
Deal found 4/21$324
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Wed 6/176:00 am
STL
-
GRB
1 stop5h 45m
American Airlines
Mon 6/226:53 pm
GRB
-
STL
1 stop5h 03m
American Airlines
Deal found 4/19$338
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Sat 10/316:02 am
STL
-
GRB
1 stop3h 02m
American Airlines
Fri 11/137:52 pm
GRB
-
STL
1 stop4h 04m
American Airlines
Deal found 4/19$340
This American Airlines deal was found by Cheapflights users on 4/18. 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 5/299:24 am
STL
-
GRB
2 stops8h 55m
American Airlines
Sun 5/316:51 pm
GRB
-
STL
1 stop5h 03m
American Airlines
Deal found 4/18$345
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 5/247:30 am
STL
-
GRB
2 stops10h 49m
American Airlines
Sun 5/316:51 pm
GRB
-
STL
1 stop5h 03m
American Airlines
Deal found 4/20$377
This United Airlines deal was found by Cheapflights users on 4/19. 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 6/67:22 am
STL
-
GRB
1 stop4h 37m
United Airlines
Wed 6/105:00 am
GRB
-
STL
1 stop3h 41m
United Airlines
Deal found 4/19$379
This American Airlines deal was found by Cheapflights users on 4/21. 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 5/77:00 am
STL
-
GRB
2 stops9h 54m
American Airlines
Mon 5/115:24 pm
GRB
-
STL
1 stop4h 55m
American Airlines
Deal found 4/21$382
This American Airlines deal was found by Cheapflights users on 4/20. 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 9/256:06 am
STL
-
GRB
1 stop2h 58m
American Airlines
Sun 9/276:14 am
GRB
-
STL
1 stop3h 11m
American Airlines
Deal found 4/20$389

Find 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$146
(Delta)

Popular in

June

Cheapest in

February

Average price

$350
Provider with most accurate pricing for Lambert-St Louis-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Green Bay Austin-Straubel flights.
Search Deals
From Lambert-St Louis to Green Bay Austin-Straubel
Search Deals
One-way flight from Lambert-St Louis to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 23, 2026.
Use the filters below to find and compare flights from St. Louis to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Tue 5/26

6:21 am-11:13 am

1 stop4h 52m

Green Bay Austin-Straubel

Sun 5/31

6:20 am-10:32 am

1 stop4h 12m

$309
Quickest round-trip

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 5/29

1:13 pm-4:51 pm

1 stop3h 38m

Green Bay Austin-Straubel

Sun 5/31

6:30 am-10:34 am

1 stop4h 04m

$309

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Wed 5/27

6:45 am-10:31 am

1 stop3h 46m

Green Bay Austin-Straubel

Sun 5/31

6:20 am-10:32 am

1 stop4h 12m

$309

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 5/22

5:36 pm-9:58 pm

1 stop4h 22m

Green Bay Austin-Straubel

Mon 5/25

7:00 am-1:10 pm

1 stop6h 10m

$309

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 5/7

5:51 am-9:12 am

1 stop3h 21m

Green Bay Austin-Straubel

Mon 5/11

5:24 pm-10:19 pm

1 stop4h 55m

$319

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 5/7

11:25 am-3:39 pm

1 stop4h 14m

Green Bay Austin-Straubel

Mon 5/11

5:01 pm-9:09 pm

1 stop4h 08m

$319

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 5/29

9:24 am-6:19 pm

2 stops8h 55m

Green Bay Austin-Straubel

Sun 5/31

6:51 pm-11:54 pm

1 stop5h 03m

$345

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sat 6/6

8:00 am-11:59 am

1 stop3h 59m

Green Bay Austin-Straubel

Wed 6/10

10:37 am-3:46 pm

1 stop5h 09m

$379
Cheapest one-way

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Wed 5/20

6:21 am-11:13 am

1 stop4h 52m

$146
Quickest one-way

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 5/11

11:25 am-3:39 pm

1 stop4h 14m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to Green Bay

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 St. Louis to Green Bay in April.
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 St. Louis-Green Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Green Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Green Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Green Bay 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 St. Louis-Green Bay 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 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, February is the cheapest month in which you can book a flight from St. Louis to Green Bay (average of $274). Flying from St. Louis to Green Bay in June is currently the most expensive (average of $510). 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.

How much does it cost to fly round-trip from St. Louis to Green Bay?

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 April 23, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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
7.9
Good
8,438 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
8,438 reviews
Delta
7.9
Good
8,438 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
9,637 reviews
Delta
7.9
Good
8,438 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
7.1
Good
11,659 reviews
Delta
7.9
Good
8,438 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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 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 4h 52m. St. Louis and Green Bay are separated by a distance of 412 mi.

  • 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 $200. Other airlines that can offer you cheap pricing are American Airlines, from $249, and United Airlines, from $278. Delta is currently priced 44% below the average price you’ll pay for this route.

  • 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, February is the cheapest month in which you can book a flight from St. Louis to Green Bay (average of $274). Flying from St. Louis to Green Bay in June is currently the most expensive (average of $510). 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

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.

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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$249Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$328FlexibilityNo cancel feeOn-time69%

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