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$229+ Cheap flights from Green Bay to Buffalo (GRB - BUF)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Green Bay to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Buffalo (BUF). 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 August 18, 2025.

Round-trip from

$229
(Delta)

Popular in

December

Cheapest in

February

Average price

$348
From Green Bay Austin-Straubel to Buffalo
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Green Bay to Buffalo

Cheapest flights from Green Bay to Buffalo
Explore the most affordable flight options available from Green Bay to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:11 pmGRB - BUF
1 stop4h 48mDelta
Fri 9/124:43 pmBUF - GRB
1 stop7h 17mDelta
Deal found 8/15$229
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:07 amGRB - BUF
2 stops11h 50mDelta
Sat 9/136:00 amBUF - GRB
2 stops11h 11mDelta
Deal found 8/15$239
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:11 pmGRB - BUF
1 stop4h 48mDelta
Sat 9/136:15 amBUF - GRB
1 stop5h 11mDelta
Deal found 8/15$254
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:11 pmGRB - BUF
1 stop4h 48mDelta
Sat 8/235:10 pmBUF - GRB
1 stop7h 12mDelta
Deal found 8/17$289
This American Airlines deal was found by Cheapflights users on 8/17. 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 10/86:00 amGRB - BUF
2 stops8h 35mAmerican Airlines
Sun 10/126:14 amBUF - GRB
1 stop4h 00mAmerican Airlines
Deal found 8/17$293
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/63:51 pmGRB - BUF
2 stops7h 08mUnited Airlines
Thu 9/115:54 pmBUF - GRB
1 stop4h 49mUnited Airlines
Deal found 8/15$294
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:11 pmGRB - BUF
1 stop4h 48mDelta
Thu 9/114:43 pmBUF - GRB
1 stop7h 17mDelta
Deal found 8/15$319
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/61:26 pmGRB - BUF
1 stop6h 50mUnited Airlines
Sun 9/147:05 amBUF - GRB
1 stop4h 00mUnited Airlines
Deal found 8/15$328
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:06 pmGRB - BUF
2 stops10h 51mDelta
Fri 9/124:43 pmBUF - GRB
1 stop7h 17mDelta
Deal found 8/15$333

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Buffalo 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 August 18, 2025.
Use the filters below to find and compare flights from Green Bay to Buffalo that are best for you.

Fly from

Green Bay

Fly to

Buffalo

Route

Depart

Return

Price

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 9/6

5:11 pm-10:59 pm

1 stop4h 48m

Buffalo

Fri 9/12

4:43 pm-11:00 pm

1 stop7h 17m

$229

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 9/6

5:11 pm-10:59 pm

1 stop4h 48m

Buffalo

Sat 9/13

5:10 pm-11:00 pm

1 stop6h 50m

$229

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 9/5

5:11 pm-10:59 pm

1 stop4h 48m

Buffalo

Sat 9/13

6:15 am-10:26 am

1 stop5h 11m

$254

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 9/5

5:11 pm-10:59 pm

1 stop4h 48m

Buffalo

Fri 9/12

4:43 pm-11:00 pm

1 stop7h 17m

$254

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 9/6

1:26 pm-9:16 pm

1 stop6h 50m

Buffalo

Thu 9/11

5:54 pm-9:43 pm

1 stop4h 49m

$289

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sun 9/7

6:26 pm-11:53 pm

1 stop4h 27m

Buffalo

Sat 9/13

7:35 am-10:41 am

1 stop4h 06m

$289

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 10/8

6:00 am-3:35 pm

2 stops8h 35m

Buffalo

Sun 10/12

6:14 am-9:14 am

1 stop4h 00m

$293

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 10/8

5:20 pm-10:52 pm

1 stop4h 32m

Buffalo

Sun 10/12

7:30 pm-11:44 pm

1 stop5h 14m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Green Bay to Buffalo

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

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

Currently, January is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $256). Flying from Green Bay to Buffalo in December is currently the most expensive (average of $337). 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.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated August 18, 2025.
Get a feel of what it's like to fly with Delta from Green Bay to Buffalo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Delta, at $171, was found to be the cheapest airline from Green Bay to Buffalo.. Users have found that Delta is 50% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $256). Flying from Green Bay to Buffalo in December is currently the most expensive (average of $337). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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Top airline flying from Green Bay to Buffalo

Discover the top airline that operate flights from Green Bay to Buffalo. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$428FlexibilityNo cancel feeOn-timeN/A

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