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$204+ Cheap flights from Green Bay to Buffalo (GRB - BUF)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Green Bay to Buffalo

Best flights from Green Bay to Buffalo
Discover carefully curated flight deals from Green Bay to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 31, 2025.

This Delta deal was found by Cheapflights users on 12/29. 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 1/175:33 pmGRB - BUF
1 stop4h 24mDelta
Fri 1/236:03 amBUF - GRB
1 stop5h 32mDelta
Deal found 12/29$258
This United Airlines deal was found by Cheapflights users on 12/28. 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.
Tue 1/203:42 pmGRB - BUF
1 stop3h 47mUnited Airlines
Sat 1/241:59 pmBUF - GRB
1 stop6h 04mUnited Airlines
Deal found 12/28$299
This Delta deal was found by Cheapflights users on 12/31. 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.
Thu 5/75:25 pmGRB - BUF
1 stop4h 38mDelta
Mon 5/114:57 pmBUF - GRB
1 stop6h 01mDelta
Deal found 12/31$284
This Delta deal was found by Cheapflights users on 12/30. 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 5/85:25 pmGRB - BUF
1 stop4h 38mDelta
Mon 5/114:57 pmBUF - GRB
1 stop6h 01mDelta
Deal found 12/30$304

Find 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 December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$258
(Delta)

One-way from

$204
(American Airlines)

Popular in

August

Cheapest in

February

Average price

$537
Provider with most accurate pricing for Green Bay Austin-Straubel-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Buffalo flights.
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From Green Bay Austin-Straubel to Buffalo
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One-way flight from Green Bay Austin-Straubel to Buffalo
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 31, 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 1/17

5:33 pm-10:57 pm

1 stop4h 24m

Buffalo

Fri 1/23

6:03 am-10:35 am

1 stop5h 32m

$258

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 5/7

5:25 pm-11:03 pm

1 stop4h 38m

Buffalo

Mon 5/11

4:57 pm-9:58 pm

1 stop6h 01m

$284

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 1/20

3:42 pm-8:29 pm

1 stop3h 47m

Buffalo

Sat 1/24

1:59 pm-7:03 pm

1 stop6h 04m

$299

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 5/8

5:25 pm-11:03 pm

1 stop4h 38m

Buffalo

Mon 5/11

4:57 pm-9:58 pm

1 stop6h 01m

$304

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 5/5

6:00 am-10:56 am

1 stop3h 56m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Compare providers for flights from Green Bay to Buffalo

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 Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Green Bay-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Buffalo flights, Cheapflights users trust eDreams the most. eDreams 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-Buffalo 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 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, June is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $151). Flying from Green Bay to Buffalo in August is currently the most expensive (average of $304). 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 December 31, 2025.
Get a feel of what it's like to fly with 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.
American Airlines
7.2
Good
11,074 reviews

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,074 reviews
American Airlines
7.2
Good
11,074 reviews

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 $299, Delta can have you in Buffalo from Green Bay in 3h 47m. The distance between Green Bay and Buffalo is about 481 mi. This flight may include one or multiple stops.

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

    American Airlines, at $288, was found to be the cheapest airline from Green Bay to Buffalo.. Users have found that American Airlines is 25% 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, June is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $151). Flying from Green Bay to Buffalo in August is currently the most expensive (average of $304). 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
Cheektowaga
Batavia
Williamsville
Orchard Park
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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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