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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
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 11/198:00 amGRB - BUF
1 stop4h 17mUnited Airlines
Thu 11/207:00 amBUF - GRB
1 stop6h 33mUnited Airlines
Deal found 11/6$607
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/54:32 pmGRB - BUF
1 stop6h 04mAmerican Airlines
Sun 11/94:26 pmBUF - GRB
1 stop5h 03mAmerican Airlines
Deal found 11/5$687
This Delta deal was found by Cheapflights users on 11/6. 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 11/1212:13 pmGRB - BUF
2 stops10h 37mDelta
Thu 11/136:25 pmBUF - GRB
1 stop5h 08mDelta
Deal found 11/6$693
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/510:46 amGRB - BUF
2 stops11h 12mUnited Airlines
Sun 11/910:50 amBUF - GRB
1 stop5h 20mUnited Airlines
Deal found 11/5$702
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/124:32 pmGRB - BUF
1 stop6h 04mAmerican Airlines
Thu 11/132:55 pmBUF - GRB
1 stop5h 27mAmerican Airlines
Deal found 11/6$733
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/137:17 amGRB - BUF
1 stop6h 08mAmerican Airlines
Thu 11/134:26 pmBUF - GRB
1 stop3h 56mAmerican Airlines
Deal found 11/6$920

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Delta)

Popular in

August

Cheapest in

February

Average price

$258
Provider with most accurate pricing for Green Bay Austin-Straubel-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Buffalo flights.
Search Deals
From Green Bay Austin-Straubel to Buffalo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 6, 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

5:28 pm-10:59 pm

1 stop4h 31m

Buffalo

Sat 2/21

6:03 am-10:33 am

1 stop5h 30m

$229

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 2/18

3:05 pm-11:44 pm

2 stops7h 39m

Buffalo

Sat 2/21

7:00 am-10:04 am

1 stop4h 04m

$294

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Mon 1/12

5:28 pm-10:59 pm

1 stop4h 31m

Buffalo

Wed 1/14

6:03 am-10:35 am

1 stop5h 32m

$320

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Mon 1/12

3:42 pm-8:29 pm

1 stop3h 47m

Buffalo

Wed 1/14

11:24 am-9:31 pm

2 stops11h 07m

$325

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Mon 1/12

11:20 am-11:41 pm

2 stops11h 21m

Buffalo

Wed 1/14

7:00 am-4:32 pm

2 stops10h 32m

$330

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 11/19

8:00 am-1:17 pm

1 stop4h 17m

Buffalo

Thu 11/20

7:00 am-12:33 pm

1 stop6h 33m

$607

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 12/10

4:32 pm-11:39 pm

1 stop6h 07m

$231

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 12/11

9:43 am-2:20 pm

1 stop3h 37m

$272

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 11/13

3:51 pm-9:00 pm

1 stop4h 09m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 November.
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 December is currently the most expensive (average of $520). 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 November 6, 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
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

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
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

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
11,040 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

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 31m. 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, 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 December is currently the most expensive (average of $520). 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
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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$428FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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