HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Green Bay

$174+ Cheap flights from Louisville to Green Bay (SDF - 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — GRB
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Green Bay with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 September 11, 2025.

Round-trip from

$239
(United Airlines)

One-way from

$174
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$445
From Louisville Intl to Green Bay Austin-Straubel
Search Deals
One-way flight from Louisville Intl to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Louisville to Green Bay

Cheapest flights from Louisville to Green Bay
Explore the most affordable flight options available from Louisville to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/267:20 pmSDF - GRB
1 stop4h 20mUnited Airlines
Tue 9/305:25 pmGRB - SDF
1 stop4h 05mUnited Airlines
Deal found 9/11$239
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/267:00 amSDF - GRB
1 stop3h 18mAmerican Airlines
Tue 9/309:46 amGRB - SDF
2 stops10h 44mAmerican Airlines
Deal found 9/11$244
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 9/136:00 amSDF - GRB
1 stop6h 23mDelta
Sun 9/215:34 amGRB - SDF
1 stop5h 09mDelta
Deal found 9/11$279
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/137:35 amSDF - GRB
2 stops9h 24mAmerican Airlines
Sun 9/216:26 pmGRB - SDF
1 stop3h 37mAmerican Airlines
Deal found 9/11$284
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/207:20 amSDF - GRB
1 stop3h 45mUnited Airlines
Sun 9/215:30 pmGRB - SDF
1 stop3h 54mUnited Airlines
Deal found 9/9$288
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/206:00 amSDF - GRB
2 stops10h 59mAmerican Airlines
Sun 9/219:48 amGRB - SDF
1 stop3h 32mAmerican Airlines
Deal found 9/9$319
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/119:55 amSDF - GRB
2 stops10h 55mUnited Airlines
Wed 9/178:00 amGRB - SDF
1 stop4h 17mUnited Airlines
Deal found 9/10$548

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 September 11, 2025.
Use the filters below to find and compare flights from Louisville to Green Bay that are best for you.

Fly from

Louisville

Fly to

Green Bay

Route

Depart

Return

Price

LouisvilleGreen Bay

SDF - GRB

SDFGRB

Louisville Intl

Fri 9/26

7:20 pm-10:40 pm

1 stop4h 20m

Green Bay Austin-Straubel

Tue 9/30

5:25 pm-10:30 pm

1 stop4h 05m

$239

LouisvilleGreen Bay

SDF - GRB

SDFGRB

Louisville Intl

Fri 9/26

7:00 am-9:18 am

1 stop3h 18m

Green Bay Austin-Straubel

Tue 9/30

9:46 am-9:30 pm

2 stops10h 44m

$244

LouisvilleGreen Bay

SDF - GRB

SDFGRB

Louisville Intl

Fri 10/24

6:45 am-9:14 am

1 stop3h 29m

$174

LouisvilleGreen Bay

SDF - GRB

SDFGRB

Louisville Intl

Fri 10/24

7:15 am-12:44 pm

2 stops30h 29m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Louisville to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Louisville 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 Louisville to Green Bay

What is the cheapest month to book a flight from Louisville to Green Bay?

Currently, January is the cheapest month in which you can book a flight from Louisville to Green Bay (average of $331). Flying from Louisville to Green Bay in July is currently the most expensive (average of $463). 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.

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

Find hourly flight availability from Louisville to Green Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Louisville to Green Bay is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 6% on airfare.

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 September 11, 2025.
Read reviews from past customers who have flown Delta from Louisville to Green Bay. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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

Find useful and relevant information for your journey from Louisville 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 Louisville to Green Bay?

    There are many flights that can get you from Louisville to Green Bay in 3h 18m. Fly via United Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 453 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Louisville to Green Bay round-trip?

    Flying on Delta is currently your cheapest option to Green Bay, with prices starting at $228. This flight start at 47% lower than the current average price 3 months from now.

  • Can I find deals for flights from Louisville to Green Bay that include hotel bookings?

    Yes. In addition to deals on Louisville to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Green Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Green Bay.

  • Can I find deals for business class flights from Louisville to Green Bay?

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Green Bay?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Green Bay (average of $331). Flying from Louisville to Green Bay in July is currently the most expensive (average of $463). 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

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Manitowoc

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.

Alternative routes for Louisville to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to O'Hare Intl flights
Nashville to O'Hare Intl flights
Knoxville to O'Hare Intl flights
Cincinnati to Minneapolis flights
Louisville to O'Hare Intl flights
Lexington to O'Hare Intl flights
Nashville to Minneapolis flights
Louisville to Minneapolis flights
Nashville to Milwaukee flights
Knoxville to Minneapolis flights
Cincinnati to Milwaukee flights
Cincinnati to Green Bay flights
Cincinnati to Appleton flights
Nashville to Madison flights
Knoxville to Milwaukee flights
Louisville to Madison flights
Blountville to O'Hare Intl flights
Cincinnati to Madison flights
Lexington to Milwaukee flights
Nashville to Green Bay flights
Blountville to Milwaukee flights
Lexington to Minneapolis flights
Nashville to Duluth flights
Lexington to Madison flights
Knoxville to Madison flights
Evansville to O'Hare Intl flights
Huntington to O'Hare Intl flights
Lexington to Appleton flights
Louisville to Milwaukee flights
Nashville to Appleton flights
Blountville to Minneapolis flights
Cincinnati to Duluth flights
Knoxville to Green Bay flights
Paducah to O'Hare Intl flights
Louisville to Appleton flights
Knoxville to Appleton flights
Lexington to Wausau flights
Lexington to Green Bay flights
Cincinnati to Wausau flights
Nashville to La Crosse flights
Evansville to Minneapolis flights
Nashville to Wausau flights
Louisville to Duluth flights
Lexington to Escanaba flights
Blountville to Madison flights
Cincinnati to La Crosse flights
Knoxville to Wausau flights
Knoxville to La Crosse flights

Top airline flying from Louisville to Green Bay

Discover the top airline that operate flights from Louisville 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$394FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.