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Cheap flights from Green Bay to St. Louis from $249

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to St. Louis departing on 1/23. 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 Green Bay to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:53 pm - 9:15 pm
GRB
-
STL
4h 22m1 stop
American Airlines Logo
6:00 am - 10:50 am
STL
-
GRB
4h 50m1 stop
$249American Airlines
Fri, Jan 23 - Mon, Jan 26
American Airlines Logo
6:00 am - 3:04 pm
GRB
-
STL
9h 04m2 stops
American Airlines Logo
6:00 am - 10:50 am
STL
-
GRB
4h 50m1 stop
$279American Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
5:24 pm - 9:13 pm
GRB
-
STL
3h 49m1 stop
United Airlines Logo
3:11 pm - 9:31 pm
STL
-
GRB
6h 20m1 stop
$309United Airlines
Sat, Jan 24 - Tue, Jan 27
American Airlines Logo
6:00 am - 3:04 pm
GRB
-
STL
9h 04m2 stops
American Airlines Logo
8:13 am - 4:23 pm
STL
-
GRB
8h 10m2 stops
$349American Airlines
Fri, Jan 23 - Mon, Jan 26
United Airlines Logo
5:22 pm - 9:43 pm
GRB
-
STL
4h 21m1 stop
United Airlines Logo
11:20 am - 4:47 pm
STL
-
GRB
5h 27m1 stop
$553United Airlines
Mon, Jan 5 - Fri, Jan 9
American Airlines Logo
5:21 pm - 11:44 pm
GRB
-
STL
6h 23m1 stop
American Airlines Logo
7:15 am - 4:23 pm
STL
-
GRB
9h 08m2 stops
$571American Airlines
Mon, Jan 5 - Fri, Jan 9
American Airlines Logo
5:25 am - 5:24 pm
GRB
-
STL
11h 59m2 stops
American Airlines Logo
8:13 am - 4:23 pm
STL
-
GRB
8h 10m2 stops
$926American Airlines
Mon, Jan 5 - Fri, Jan 9

American Airlines flights from Green Bay to St. Louis

Our best American Airlines deals on Green Bay to St. Louis flight tickets
American Airlines
Jan 23
GRB4:53 pmGreen Bay Austin-Straubel
4h 22m
1 stop
STL9:15 pmLambert-St Louis
Jan 26
STL6:00 amLambert-St Louis
4h 50m
1 stop
GRB10:50 amGreen Bay Austin-Straubel
$249
Find similar
American Airlines
Jan 23
GRB6:00 amGreen Bay Austin-Straubel
9h 04m
2 stops
STL3:04 pmLambert-St Louis
Jan 26
STL6:00 amLambert-St Louis
4h 50m
1 stop
GRB10:50 amGreen Bay Austin-Straubel
$279
Find similar
American Airlines
Jan 23
GRB6:00 amGreen Bay Austin-Straubel
9h 04m
2 stops
STL3:04 pmLambert-St Louis
Jan 26
STL8:13 amLambert-St Louis
8h 10m
2 stops
GRB4:23 pmGreen Bay Austin-Straubel
$349
Find similar

United Airlines flights from Green Bay to St. Louis

Our best United Airlines deals on Green Bay to St. Louis flight tickets
United Airlines
Jan 24
GRB5:24 pmGreen Bay Austin-Straubel
3h 49m
1 stop
STL9:13 pmLambert-St Louis
Jan 27
STL3:11 pmLambert-St Louis
6h 20m
1 stop
GRB9:31 pmGreen Bay Austin-Straubel
$309
Find similar
United Airlines
Jan 5
GRB5:22 pmGreen Bay Austin-Straubel
4h 21m
1 stop
STL9:43 pmLambert-St Louis
Jan 9
STL11:20 amLambert-St Louis
5h 27m
1 stop
GRB4:47 pmGreen Bay Austin-Straubel
$553
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
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

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 1/23

4:53 pm-9:15 pm

1 stop4h 22m

Lambert-St Louis

Mon 1/26

6:00 am-10:50 am

1 stop4h 50m

$249

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 1/23

6:00 am-3:04 pm

2 stops9h 04m

Lambert-St Louis

Mon 1/26

6:00 am-10:50 am

1 stop4h 50m

$279

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sat 1/24

5:24 pm-9:13 pm

1 stop3h 49m

Lambert-St Louis

Tue 1/27

3:11 pm-9:31 pm

1 stop6h 20m

$309

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 1/23

6:00 am-3:04 pm

2 stops9h 04m

Lambert-St Louis

Mon 1/26

8:13 am-4:23 pm

2 stops8h 10m

$349

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 1/5

5:22 pm-9:43 pm

1 stop4h 21m

Lambert-St Louis

Fri 1/9

11:20 am-4:47 pm

1 stop5h 27m

$553

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 1/5

5:21 pm-11:44 pm

1 stop6h 23m

Lambert-St Louis

Fri 1/9

7:15 am-4:23 pm

2 stops9h 08m

$571

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Mon 1/5

5:25 am-5:24 pm

2 stops11h 59m

Lambert-St Louis

Fri 1/9

8:13 am-4:23 pm

2 stops8h 10m

$926

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 12/26

7:00 am-1:36 pm

1 stop6h 36m

$384

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 12/26

10:09 am-7:30 pm

2 stops9h 21m

$389

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $264. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $436. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Green Bay in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $247 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $389 per ticket.

When to book flights from Green Bay to St. Louis

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

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

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

Fastest flight time

3h 49m

Direct flights

None
The fastest flight from Green Bay to St. Louis takes 3h 49m
There are no direct flights from Green Bay to St. Louis. There are no popular flight routes from Green Bay to St. Louis.
Search flight deals

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

    A flight from Green Bay Austin-Straubel to Lambert-St Louis will travel around 422.0 mi. Flights usually cover this in 3h 49m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Green Bay to St. Louis

Compare and see reviews for airlines that fly from Green Bay to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
St. Peters
Wentzville
Collinsville
Alton
Farmington
Clayton
Festus
Glencoe
Eureka
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Green Bay.

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

momondo does allow users to show only those flights to St. Louis from Green Bay which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Green Bay and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Green Bay to St. Louis 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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