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Cheap flights from St. Louis to Green Bay from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Green Bay departing on 6/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Green Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:41 am - 11:49 am
STL
-
GRB
4h 08m
1 stop
United Airlines Logo
2:54 pm - 9:07 pm
GRB
-
STL
6h 13m
1 stop
$249United Airlines
Sun, Mar 8 - Sun, Mar 15
Delta Logo
6:29 am - 11:18 am
STL
-
GRB
4h 49m
1 stop
Delta Logo
11:12 am - 4:32 pm
GRB
-
STL
5h 20m
1 stop
$284Delta
Sun, Mar 15 - Wed, Mar 18
United Airlines Logo
9:55 am - 3:09 pm
STL
-
GRB
5h 14m
1 stop
United Airlines Logo
3:05 pm - 9:05 pm
GRB
-
STL
6h 00m
1 stop
$314United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
9:55 am - 3:09 pm
STL
-
GRB
5h 14m
1 stop
United Airlines Logo
3:05 pm - 9:05 pm
GRB
-
STL
6h 00m
1 stop
$319United Airlines
Tue, Feb 24 - Sat, Feb 28
Delta Logo
5:29 pm - 10:01 pm
STL
-
GRB
4h 32m
1 stop
Delta Logo
12:08 pm - 4:45 pm
GRB
-
STL
4h 37m
1 stop
$325Delta
Mon, Feb 23 - Fri, Feb 27
American Airlines Logo
1:34 pm - 11:32 pm
STL
-
GRB
9h 58m
2 stops
American Airlines Logo
6:32 pm - 11:35 pm
GRB
-
STL
5h 03m
1 stop
$330American Airlines
Mon, Feb 23 - Fri, Feb 27
American Airlines Logo
1:34 pm - 11:32 pm
STL
-
GRB
9h 58m
2 stops
American Airlines Logo
5:00 am - 12:43 pm
GRB
-
STL
7h 43m
2 stops
$492American Airlines
Mon, Feb 23 - Fri, Feb 27
United Airlines Logo
3:15 pm - 6:57 pm
STL
-
GRB
3h 42m
1 stop
United Airlines Logo
5:28 pm - 9:05 pm
GRB
-
STL
3h 37m
1 stop
$553United Airlines
Mon, Feb 23 - Fri, Feb 27
American Airlines Logo
6:00 am - 10:00 am
STL
-
GRB
4h 00m
1 stop
American Airlines Logo
10:00 am - 6:07 pm
GRB
-
STL
8h 07m
2 stops
$584American Airlines
Sun, Mar 15 - Wed, Mar 18
American Airlines Logo
9:15 am - 7:42 pm
STL
-
GRB
10h 27m
2 stops
American Airlines Logo
5:00 am - 8:38 am
GRB
-
STL
3h 38m
1 stop
$643American Airlines
Sun, Mar 8 - Sun, Mar 15

United Airlines flights from St. Louis to Green Bay

Our best United Airlines deals on St. Louis to Green Bay flight tickets
United Airlines
Mar 8
STL7:41 amLambert-St Louis
4h 08m
1 stop
GRB11:49 amGreen Bay Austin-Straubel
Mar 15
GRB2:54 pmGreen Bay Austin-Straubel
6h 13m
1 stop
STL9:07 pmLambert-St Louis
$249
United Airlines
Feb 24
STL9:55 amLambert-St Louis
5h 14m
1 stop
GRB3:09 pmGreen Bay Austin-Straubel
Feb 28
GRB3:05 pmGreen Bay Austin-Straubel
6h 00m
1 stop
STL9:05 pmLambert-St Louis
$314
United Airlines
Feb 24
STL9:55 amLambert-St Louis
5h 14m
1 stop
GRB3:09 pmGreen Bay Austin-Straubel
Feb 28
GRB3:05 pmGreen Bay Austin-Straubel
6h 00m
1 stop
STL9:05 pmLambert-St Louis
$319

Delta flights from St. Louis to Green Bay

Our best Delta deals on St. Louis to Green Bay flight tickets
Delta
Mar 15
STL6:29 amLambert-St Louis
4h 49m
1 stop
GRB11:18 amGreen Bay Austin-Straubel
Mar 18
GRB11:12 amGreen Bay Austin-Straubel
5h 20m
1 stop
STL4:32 pmLambert-St Louis
$284
Delta
Feb 23
STL5:29 pmLambert-St Louis
4h 32m
1 stop
GRB10:01 pmGreen Bay Austin-Straubel
Feb 27
GRB12:08 pmGreen Bay Austin-Straubel
4h 37m
1 stop
STL4:45 pmLambert-St Louis
$325
Delta
Feb 16
STL6:10 amLambert-St Louis
5h 14m
1 stop
GRB11:24 amGreen Bay Austin-Straubel
Feb 18
GRB12:08 pmGreen Bay Austin-Straubel
4h 37m
1 stop
STL4:45 pmLambert-St Louis
$437

momondo 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, momondo users made 832,500 searches. Data last updated February 10, 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

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sun 3/8

7:41 am-11:49 am

1 stop4h 08m

Green Bay Austin-Straubel

Sun 3/15

2:54 pm-9:07 pm

1 stop6h 13m

$249

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sun 3/15

6:29 am-11:18 am

1 stop4h 49m

Green Bay Austin-Straubel

Wed 3/18

11:12 am-4:32 pm

1 stop5h 20m

$284

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Tue 2/24

9:55 am-3:09 pm

1 stop5h 14m

Green Bay Austin-Straubel

Sat 2/28

3:05 pm-9:05 pm

1 stop6h 00m

$314

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Tue 2/24

9:55 am-3:09 pm

1 stop5h 14m

Green Bay Austin-Straubel

Sat 2/28

3:05 pm-9:05 pm

1 stop6h 00m

$319

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 2/23

5:29 pm-10:01 pm

1 stop4h 32m

Green Bay Austin-Straubel

Fri 2/27

12:08 pm-4:45 pm

1 stop4h 37m

$325

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 2/23

1:34 pm-11:32 pm

2 stops9h 58m

Green Bay Austin-Straubel

Fri 2/27

6:32 pm-11:35 pm

1 stop5h 03m

$330

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 2/23

1:34 pm-11:32 pm

2 stops9h 58m

Green Bay Austin-Straubel

Fri 2/27

5:00 am-12:43 pm

2 stops7h 43m

$492

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 2/23

3:15 pm-6:57 pm

1 stop3h 42m

Green Bay Austin-Straubel

Fri 2/27

5:28 pm-9:05 pm

1 stop3h 37m

$553

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sun 3/15

6:00 am-10:00 am

1 stop4h 00m

Green Bay Austin-Straubel

Wed 3/18

10:00 am-6:07 pm

2 stops8h 07m

$584

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sun 3/8

9:15 am-7:42 pm

2 stops10h 27m

Green Bay Austin-Straubel

Sun 3/15

5:00 am-8:38 am

1 stop3h 38m

$643

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Green Bay from

How to get the cheapest flight ticket from St. Louis to Green Bay

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Green Bay?

The month of May is, on average, the cheapest month to fly to Green Bay from St. Louis, with most prices found around $271. If you aren’t able to travel during the month of May, then book flights to Green Bay from St. Louis during February instead. Flights to Green Bay in February, while not as cheap as those in May, still average around $274.

When to book flights from St. Louis to Green Bay

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Green Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Green Bay (STL to GRB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Green Bay

Fastest flight time

3h 47m

Direct flights

None
The fastest flight from St. Louis to Green Bay takes 3h 47m
There are no direct flights from St. Louis to Green Bay. There are no popular flight routes from St. Louis to Green Bay.
Search flight deals

  • How far is Lambert-St Louis to Green Bay Austin-Straubel by plane?

    There are 422.0 mi between Lambert-St Louis and Green Bay Austin-Straubel. 3h 47m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Green Bay Austin-Straubel Airport?

    Prices for flights from Lambert-St Louis Airport to Green Bay Austin-Straubel Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Green Bay Austin-Straubel Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Green Bay Austin-Straubel Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Green Bay Austin-Straubel Airport.

  • What documentation or ID do you need to fly to Green Bay Austin-Straubel Airport?

    The necessary travel and health documents for your Green Bay Austin-Straubel Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Green Bay?

Best airlines flying from St. Louis to Green Bay

Compare and see reviews for airlines that fly from St. Louis to Green Bay with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $159Free CancellationRating
7.4
9,262 reviews
Search United Airlines flights
DeltaPriceFrom $200Free CancellationRating
7.9
8,176 reviews
Search Delta flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Sturgeon Bay
Manitowoc
Marinette
Shawano
De Pere

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Green Bay?

Finding the right flight to Green Bay from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Green Bay quick and easy, saving you time and money.

Can I find flights from St. Louis to Green Bay with flexible booking policies on momondo?

Flights from St. Louis to Green Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Green Bay?

momondo provides multiple filters to help you find the best flight to Green Bay from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Green Bay right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Green Bay flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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