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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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$229
(Delta)

Popular in

August

Cheapest in

February

Average price

$326
From Green Bay Austin-Straubel to Buffalo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:20 pmGRB - BUF
1 stop6h 53mUnited Airlines
Sun 10/57:07 amBUF - GRB
1 stop6h 37mUnited Airlines
Deal found 9/16$239
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:20 pmGRB - BUF
1 stop4h 32mDelta
Mon 11/106:25 pmBUF - GRB
1 stop5h 13mDelta
Deal found 9/15$278
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 11/511:06 amGRB - BUF
2 stops11h 20mAmerican Airlines
Sun 11/92:55 pmBUF - GRB
1 stop6h 34mAmerican Airlines
Deal found 9/15$390
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.
Thu 9/252:40 pmGRB - BUF
1 stop5h 33mUnited Airlines
Sun 9/2810:55 amBUF - GRB
1 stop4h 09mUnited Airlines
Deal found 9/17$399
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.
Sat 10/410:40 amGRB - BUF
2 stops11h 02mUnited Airlines
Fri 10/107:07 amBUF - GRB
1 stop6h 37mUnited Airlines
Deal found 9/15$408
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.
Thu 11/67:17 amGRB - BUF
1 stop6h 08mAmerican Airlines
Sun 11/92:55 pmBUF - GRB
1 stop6h 34mAmerican Airlines
Deal found 9/15$440

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 September 17, 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

Wed 2/18

5:25 pm-11:07 pm

1 stop4h 42m

Buffalo

Sat 2/21

2:00 pm-4:38 pm

1 stop3h 38m

$229

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 10/1

1:20 pm-9:13 pm

1 stop6h 53m

Buffalo

Sun 10/5

7:07 am-12:44 pm

1 stop6h 37m

$239

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 11/7

5:20 pm-10:52 pm

1 stop4h 32m

Buffalo

Mon 11/10

6:25 pm-10:38 pm

1 stop5h 13m

$278

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 2/18

11:25 am-3:43 pm

1 stop3h 18m

Buffalo

Sat 2/21

12:05 pm-5:39 pm

2 stops6h 34m

$304

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 11/5

11:06 am-10:56 pm

2 stops10h 50m

Buffalo

Sun 11/9

2:55 pm-8:29 pm

1 stop6h 34m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 September 17, 2025.
Get a feel of what it's like to fly with Delta and American Airlines 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
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

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.

  • How long is the flight from Green Bay to Buffalo?

    For as low as $229, Delta can have you in Buffalo from Green Bay in 4h 42m. The distance between Green Bay and Buffalo is about 481 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Green Bay to Buffalo round-trip?

    Delta, at $171, was found to be the cheapest airline from Green Bay to Buffalo. An alternate airline flying to your destination would be American Airlines. Users have found that Delta is 54% 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 2 airlines flying from Green Bay to Buffalo

Discover the top 2 airlines 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$428FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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