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 $274. Other airlines that can offer you cheap pricing are Delta, from $594, and United Airlines, from $759. American Airlines is currently priced 29% 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 $226. Users have also found prices from $231 and $510 on American Airlines and United Airlines, respectively.

What is the cheapest day to fly from St. Louis to Green Bay?

Travelers seeking maximum savings on their St. Louis to Green Bay flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

If weather is an important factor for your trip to Green Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What are the most popular airlines that fly from St. Louis to Green Bay?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Green Bay.

What is the cheapest day to fly round-trip from St. Louis to Green Bay?

Users have found that flying from St. Louis to Green Bay on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St. Louis to Green Bay?

Our data shows that November tends to be the cheapest month to fly to Green Bay from St. Louis. Users have commonly found prices around $389 for the month, but tickets can be as low as $208. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from STL to GRB?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Green Bay in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

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.

$226+ Flights from St. Louis to Green Bay

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Cheap flight deals from St. Louis to Green Bay

Round-trip from	$274 (American Airlines)
One-way from	$226 (Delta)
Popular in	June
Cheapest in	November
Average price	$436

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. 8% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 2, 2025.

Tue 8/196:06 amSTL - GRB

1 stop3h 06mAmerican Airlines

Thu 8/216:26 pmGRB - STL

1 stop5h 25mAmerican Airlines

Deal found 6/30

$274

Wed 8/65:37 pmSTL - GRB

1 stop4h 26mDelta

Sun 8/106:20 amGRB - STL

1 stop4h 13mDelta

Deal found 6/30

$594

Thu 7/178:00 amSTL - GRB

1 stop4h 23mUnited Airlines

Mon 7/211:10 pmGRB - STL

1 stop6h 21mUnited Airlines

Deal found 7/2

$759

Best flights from St. Louis to Green Bay
Discover carefully curated flight deals from St. Louis to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Tue 8/196:06 amSTL - GRB

1 stop3h 06mAmerican Airlines

Thu 8/216:26 pmGRB - STL

1 stop5h 25mAmerican Airlines

Deal found 6/30

$274

Wed 8/65:37 pmSTL - GRB

1 stop4h 26mDelta

Sun 8/106:20 amGRB - STL

1 stop4h 13mDelta

Deal found 6/30

$594

Thu 7/178:00 amSTL - GRB

1 stop4h 23mUnited Airlines

Mon 7/211:10 pmGRB - STL

1 stop6h 21mUnited Airlines

Deal found 7/2

$759

Last-minute flights from St. Louis to Green Bay
Discover last-minute flight deals from St. Louis to Green Bay. Data last updated July 2, 2025 and is based on user searches.

Thu 7/106:00 amSTL - GRB

1 stop3h 21mAmerican Airlines

Wed 7/166:19 pmGRB - STL

1 stop5h 32mAmerican Airlines

Deal found 6/30

$399

Thu 7/178:00 amSTL - GRB

1 stop4h 23mUnited Airlines

Mon 7/211:10 pmGRB - STL

1 stop6h 21mUnited Airlines

Deal found 7/2

$759

Wed 8/65:37 pmSTL - GRB

1 stop4h 26mDelta

Sun 8/106:20 amGRB - STL

1 stop4h 13mDelta

Deal found 6/30

$594

Tue 8/196:06 amSTL - GRB

1 stop3h 06mAmerican Airlines

Thu 8/216:26 pmGRB - STL

1 stop5h 25mAmerican Airlines

Deal found 6/30

$274

One-way flights from St. Louis to Green Bay
Search for one-way flight options from St. Louis to Green Bay. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Fri 8/15:37 pmSTL - GRB

1 stop4h 26mDelta

Deal found 6/30

$226

Fri 8/14:28 pmSTL - GRB

2 stops7h 01mAmerican Airlines

Deal found 6/30

$231

Fri 8/15:41 pmSTL - GRB

3 stops23h 07mUnited Airlines

Deal found 6/30

$510

Cheapflights Fare Finder

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

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Tue 8/19

6:06 am-9:12 am

1 stop3h 06m

Green Bay Austin-Straubel

Thu 8/21

6:26 pm-11:51 pm

1 stop5h 25m

$274

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Wed 8/6

5:37 pm-10:03 pm

1 stop4h 26m

Green Bay Austin-Straubel

Sun 8/10

6:20 am-10:33 am

1 stop4h 13m

$594

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Thu 7/17

8:00 am-12:23 pm

1 stop4h 23m

Green Bay Austin-Straubel

Mon 7/21

1:10 pm-7:31 pm

1 stop6h 21m

$759

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 8/1

5:37 pm-10:03 pm

1 stop4h 26m

$226

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 8/1

4:28 pm-11:29 pm

2 stops7h 01m

$231

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 8/1

5:41 pm-4:48 pm

3 stops23h 07m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $468). 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

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

7,983 reviews

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

7,983 reviews

Delta

8.0

Very good

7,983 reviews

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

8,861 reviews

Delta

8.0

Very good

7,983 reviews

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

7,983 reviews

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

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 $274. Other airlines that can offer you cheap pricing are Delta, from $594, and United Airlines, from $759. American Airlines is currently priced 29% 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 $226. Users have also found prices from $231 and $510 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 $468). 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

Marinette

Manitowoc

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Other flights to Green Bay

Top 3 airlines flying from St. Louis to Green Bay

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$213	Average$318	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$228	Average$437	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$228	Average$452	FlexibilityNo cancel fee	On-time69%

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$226+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Green Bay with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from St. Louis to Green Bay

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Green Bay

Cheapest flights from St. Louis to Green BayExplore 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 July 2, 2025.

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 July 2, 2025.

Cheapflights Fare Finder

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

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.

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?

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

Reviews of airlines servicing Green Bay

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.

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.

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

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

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

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

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

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

Traveling to a place near St. Louis?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from St. Louis to Green Bay

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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 July 2, 2025.