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$279+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 June 23, 2025.

Round-trip from

$339
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$363
From Green Bay Austin-Straubel to Buffalo
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 23, 2025.

This American Airlines deal was found by Cheapflights users on 6/23. 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 6/289:53 amGRB - BUF
1 stop5h 23mAmerican Airlines
Sat 7/56:30 amBUF - GRB
1 stop3h 51mAmerican Airlines
Deal found 6/23$279
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/161:10 pmGRB - BUF
1 stop6h 51mUnited Airlines
Mon 7/217:00 amBUF - GRB
1 stop6h 23mUnited Airlines
Deal found 6/21$423
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 7/2112:10 pmGRB - BUF
1 stop5h 09mDelta
Mon 7/282:18 pmBUF - GRB
2 stops10h 04mDelta
Deal found 6/23$504

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 June 23, 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

Mon 7/21

2:51 pm-10:08 pm

1 stop6h 17m

Buffalo

Mon 7/28

5:05 am-9:21 am

1 stop5h 16m

$339

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 7/16

1:10 pm-9:01 pm

1 stop6h 51m

Buffalo

Mon 7/21

7:00 am-12:23 pm

1 stop6h 23m

$423

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Mon 7/21

12:10 pm-6:19 pm

1 stop5h 09m

Buffalo

Mon 7/28

2:18 pm-11:22 pm

2 stops10h 04m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

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.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 June 23, 2025.
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,831 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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
7,965 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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

    American Airlines, at $339, was found to be the cheapest airline from Green Bay to Buffalo.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 5% 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 Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Williamsville
Amherst
Orchard Park
Batavia
Eden
Cheektowaga
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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$353FlexibilityNo cancel feeOn-time69%

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