Cheap flights from Green Bay to St. Louis from $197

This is the cheapest one-way 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 8/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:02 pm - 4:47 pm
GRB
-
STL
4h 45m
1 stop
Delta Logo
6:15 am - 11:22 am
STL
-
GRB
5h 07m
1 stop
$289Delta
Fri, Sep 11 - Sat, Sep 12
American Airlines Logo
6:08 am - 12:51 pm
GRB
-
STL
6h 43m
1 stop
American Airlines Logo
6:00 am - 11:56 am
STL
-
GRB
5h 56m
1 stop
$300American Airlines
Tue, Jul 28 - Tue, Aug 11
Delta Logo
7:00 am - 1:20 pm
GRB
-
STL
6h 20m
1 stop
Delta Logo
10:45 am - 4:28 pm
STL
-
GRB
5h 43m
1 stop
$304Delta
Sat, Oct 31 - Thu, Nov 5
American Airlines Logo
12:46 pm - 4:48 pm
GRB
-
STL
4h 02m
1 stop
American Airlines Logo
5:58 pm - 12:12 am
STL
-
GRB
6h 14m
1 stop
$315American Airlines
Sat, Jul 4 - Mon, Jul 6
American Airlines Logo
1:01 pm - 4:40 pm
GRB
-
STL
3h 39m
1 stop
American Airlines Logo
7:55 pm - 12:12 am
STL
-
GRB
4h 17m
1 stop
$319American Airlines
Thu, Jul 9 - Sun, Jul 12
Delta Logo
7:00 am - 1:20 pm
GRB
-
STL
6h 20m
1 stop
Delta Logo
10:45 am - 4:28 pm
STL
-
GRB
5h 43m
1 stop
$328Delta
Sat, Oct 31 - Thu, Nov 5
American Airlines Logo
6:08 am - 12:57 pm
GRB
-
STL
6h 49m
1 stop
American Airlines Logo
7:56 pm - 12:12 am
STL
-
GRB
4h 16m
1 stop
$334American Airlines
Fri, Jul 17 - Mon, Jul 20
American Airlines Logo
9:49 am - 1:52 pm
GRB
-
STL
4h 03m
1 stop
American Airlines Logo
6:55 am - 12:31 pm
STL
-
GRB
5h 36m
1 stop
$339American Airlines
Thu, Jul 2 - Sun, Jul 5
United Airlines Logo
8:25 am - 12:06 pm
GRB
-
STL
3h 41m
1 stop
United Airlines Logo
5:00 am - 10:30 am
STL
-
GRB
5h 30m
1 stop
$359United Airlines
Sat, Dec 5 - Tue, Dec 8
American Airlines Logo
8:27 pm - 12:27 am
GRB
-
STL
4h 00m
1 stop
American Airlines Logo
10:21 am - 7:56 pm
STL
-
GRB
9h 35m
2 stops
$378American Airlines
Fri, Sep 11 - Sat, Sep 12

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United Airlines flights from Green Bay to St. Louis

Our best United Airlines deals on Green Bay to St. Louis flight tickets
United Airlines
Jul 7
GRB6:52 pmGreen Bay Austin-Straubel
4h 37m
1 stop
STL11:29 pmLambert-St Louis
Jul 11
STL7:05 pmLambert-St Louis
4h 14m
1 stop
GRB11:19 pmGreen Bay Austin-Straubel
$331
United Airlines
Dec 5
GRB8:25 amGreen Bay Austin-Straubel
3h 41m
1 stop
STL12:06 pmLambert-St Louis
Dec 8
STL5:00 amLambert-St Louis
5h 30m
1 stop
GRB10:30 amGreen Bay Austin-Straubel
$359
United Airlines
Jul 3
GRB10:37 amGreen Bay Austin-Straubel
6h 50m
1 stop
STL5:27 pmLambert-St Louis
Jul 7
STL6:00 amLambert-St Louis
4h 01m
1 stop
GRB10:01 amGreen Bay Austin-Straubel
$389

American Airlines flights from Green Bay to St. Louis

Our best American Airlines deals on Green Bay to St. Louis flight tickets
American Airlines
Sep 11
GRB8:27 pmGreen Bay Austin-Straubel
4h 00m
1 stop
STL12:27 amLambert-St Louis
Sep 12
STL5:00 amLambert-St Louis
4h 35m
1 stop
GRB9:35 amGreen Bay Austin-Straubel
$289
American Airlines
Jul 28
GRB6:08 amGreen Bay Austin-Straubel
6h 43m
1 stop
STL12:51 pmLambert-St Louis
Aug 11
STL6:00 amLambert-St Louis
5h 56m
1 stop
GRB11:56 amGreen Bay Austin-Straubel
$300
American Airlines
Jul 4
GRB12:46 pmGreen Bay Austin-Straubel
4h 02m
1 stop
STL4:48 pmLambert-St Louis
Jul 6
STL5:58 pmLambert-St Louis
6h 14m
1 stop
GRB12:12 amGreen Bay Austin-Straubel
$315

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 June 23, 2026.
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

Cheapest round-trip

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 9/11

12:02 pm-4:47 pm

1 stop4h 45m

Lambert-St Louis

Sat 9/12

6:15 am-11:22 am

1 stop5h 07m

$289

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Tue 7/28

6:08 am-12:51 pm

1 stop6h 43m

Lambert-St Louis

Tue 8/11

6:00 am-11:56 am

1 stop5h 56m

$300

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sat 10/31

7:00 am-1:20 pm

1 stop6h 20m

Lambert-St Louis

Thu 11/5

10:45 am-4:28 pm

1 stop5h 43m

$304

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sat 7/4

12:46 pm-4:48 pm

1 stop4h 02m

Lambert-St Louis

Mon 7/6

5:58 pm-12:12 am

1 stop6h 14m

$315
Quickest round-trip

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 7/9

1:01 pm-4:40 pm

1 stop3h 39m

Lambert-St Louis

Sun 7/12

7:55 pm-12:12 am

1 stop4h 17m

$319

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sat 10/31

7:00 am-1:20 pm

1 stop6h 20m

Lambert-St Louis

Thu 11/5

10:45 am-4:28 pm

1 stop5h 43m

$328

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 7/17

6:08 am-12:57 pm

1 stop6h 49m

Lambert-St Louis

Mon 7/20

7:56 pm-12:12 am

1 stop4h 16m

$334

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 7/2

9:49 am-1:52 pm

1 stop4h 03m

Lambert-St Louis

Sun 7/5

6:55 am-12:31 pm

1 stop5h 36m

$339

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Sat 12/5

8:25 am-12:06 pm

1 stop3h 41m

Lambert-St Louis

Tue 12/8

5:00 am-10:30 am

1 stop5h 30m

$359

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 9/11

8:27 pm-12:27 am

1 stop4h 00m

Lambert-St Louis

Sat 9/12

10:21 am-7:56 pm

2 stops9h 35m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 airline that flies from Green Bay Austin-Straubel to Lambert-St Louis?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Green Bay Austin-Straubel to Lambert-St Louis

What airlines fly to St. Louis?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to St. Louis from Green Bay according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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 41m

Direct flights

None
The fastest flight from Green Bay to St. Louis takes 3h 41m
There are no direct flights from Green Bay to St. Louis. There are no popular flight routes from Green Bay to St. Louis.

Frequently asked questions about flying from Green Bay to St. Louis

  • 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 41m, 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
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,875 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
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Alton
Wentzville
Farmington
Fenton
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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1 adult
Thu 7/23
Thu 7/30

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