$269+ Cheap flights from Green Bay to Louisville (GRB - SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SDF
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to Louisville 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 Green Bay to Louisville
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Cheapest flights from Green Bay to LouisvilleExplore the most affordable flight options available from Green Bay to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from Green Bay to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/310:05 am -
1 stop6h 24m
Wed 10/76:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/301:17 pm -
1 stop4h 54m
Sun 10/410:25 am -
1 stop5h 42m
Deal found 9/15![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/141:17 pm -
1 stop4h 54m
Tue 10/209:04 am -
1 stop4h 26m
Deal found 9/17![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/142:46 pm -
2 stops6h 19m
Tue 10/206:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/98:04 pm -
1 stop12h 28m
Mon 10/125:19 pm -
1 stop17h 03m
Deal found 9/18![American Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/231:10 pm -
1 stop7h 20m
Tue 9/297:55 am -
1 stop3h 27m
Deal found 9/14![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/217:00 am -
1 stop5h 53m
Thu 10/227:00 am -
1 stop5h 37m
Deal found 9/14![Delta logo]()
$577
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/3010:05 am -
2 stops10h 38m
Sun 10/42:41 pm -
1 stop6h 15m
Deal found 9/15![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/146:00 am -
1 stop5h 10m
Fri 10/165:19 pm -
1 stop7h 53m
Deal found 9/16![American Airlines logo]()
$654
Best flights from Green Bay to LouisvilleDiscover carefully curated flight deals from Green Bay to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from Green Bay to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/310:05 am -
1 stop6h 24m
Wed 10/76:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/301:17 pm -
1 stop4h 54m
Sun 10/410:25 am -
1 stop5h 42m
Deal found 9/15![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/217:00 am -
1 stop5h 53m
Thu 10/227:00 am -
1 stop5h 37m
Deal found 9/14![Delta logo]()
$577
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/141:17 pm -
1 stop4h 54m
Tue 10/209:04 am -
1 stop4h 26m
Deal found 9/17![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/142:46 pm -
2 stops6h 19m
Tue 10/206:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/98:04 pm -
1 stop19h 19m
Mon 10/1212:46 pm -
1 stop12h 26m
Deal found 9/14![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/3010:05 am -
2 stops10h 38m
Sun 10/42:41 pm -
1 stop6h 15m
Deal found 9/15![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/146:00 am -
1 stop5h 10m
Fri 10/165:19 pm -
1 stop7h 53m
Deal found 9/16![American Airlines logo]()
$654
Last-minute flights from Green Bay to LouisvilleDiscover last-minute flight deals from Green Bay to Louisville. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Louisville. Data last updated September 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 9/231:10 pm -
1 stop7h 20m
Tue 9/297:55 am -
1 stop3h 27m
Deal found 9/14![Delta logo]()
$533
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/301:17 pm -
1 stop4h 54m
Sun 10/410:25 am -
1 stop5h 42m
Deal found 9/15![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 9/3010:05 am -
2 stops10h 38m
Sun 10/42:41 pm -
1 stop6h 15m
Deal found 9/15![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/310:05 am -
1 stop6h 24m
Wed 10/76:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/98:04 pm -
1 stop12h 28m
Mon 10/125:19 pm -
1 stop17h 03m
Deal found 9/18![American Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/141:17 pm -
1 stop4h 54m
Tue 10/209:04 am -
1 stop4h 26m
Deal found 9/17![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/142:46 pm -
2 stops6h 19m
Tue 10/206:29 am -
1 stop3h 53m
Deal found 9/17![American Airlines logo]()
$468
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/146:00 am -
1 stop5h 10m
Fri 10/165:19 pm -
1 stop7h 53m
Deal found 9/16![American Airlines logo]()
$654
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/217:00 am -
1 stop5h 53m
Thu 10/227:00 am -
1 stop5h 37m
Deal found 9/14![Delta logo]()
$577
One-way flights from Green Bay to LouisvilleSearch for one-way flight options from Green Bay to Louisville. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Green Bay to Louisville. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/141:17 pm -
1 stop4h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/146:00 am -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$405
Find flight deals from Green Bay to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Louisville (SDF). 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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
One-way from | $269 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Green Bay to Louisville 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 7,457,451 searches. Data last updated September 19, 2026.
Use the filters below to find and compare flights from Green Bay to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/14
1:17 pm-7:11 pm
1 stop4h 54m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$269
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Sat 10/3
10:05 am-5:29 pm
1 stop6h 24m
Louisville Intl
Wed 10/7
6:29 am-9:22 am
1 stop3h 53m
$349
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 9/30
1:17 pm-7:11 pm
1 stop4h 54m
Louisville Intl
Sun 10/4
10:25 am-3:07 pm
1 stop5h 42m
$370
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/14
1:17 pm-7:11 pm
1 stop4h 54m
Louisville Intl
Tue 10/20
9:04 am-12:30 pm
1 stop4h 26m
$379
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/14
6:00 am-5:20 pm
2 stops10h 20m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$405
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/14
2:46 pm-10:05 pm
2 stops6h 19m
Louisville Intl
Tue 10/20
6:29 am-9:22 am
1 stop3h 53m
$468
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Fri 10/9
8:04 pm-4:23 pm
1 stop19h 19m
Louisville Intl
Mon 10/12
12:46 pm-12:12 am
1 stop12h 26m
$499
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/21
7:00 am-1:53 pm
1 stop5h 53m
Louisville Intl
Thu 10/22
7:00 am-11:37 am
1 stop5h 37m
$577
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 9/30
10:05 am-9:43 pm
2 stops10h 38m
Louisville Intl
Sun 10/4
2:41 pm-7:56 pm
1 stop6h 15m
$648
Green BayLouisville
GRB Green Bay Austin-Straubel - SDF Louisville Intl
GRBSDF
Green Bay Austin-Straubel
Wed 10/14
6:00 am-12:10 pm
1 stop5h 10m
Louisville Intl
Fri 10/16
5:19 pm-12:12 am
1 stop7h 53m
$654
Sorted by cheapest first
Compare providers for flights from Green Bay to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Louisville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Green Bay-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Green Bay-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Green Bay to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Green Bay with our price prediction graph.
GRB-SDF
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.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated September 19, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Green Bay to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Green Bay to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Green Bay and Louisville flights
Browse other Green Bay and Louisville flight options. Last updated on September 19, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Green Bay to Louisville
Discover the top 2 airlines that operate flights from Green Bay to Louisville. 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 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$343 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$247 | Average$298 | FlexibilityNo cancel fee | On-time69% |