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$168+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
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 October 23, 2025.

This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:09 amGRB - BUF
1 stop6h 39mAmerican Airlines
Wed 12/246:00 amBUF - GRB
1 stop4h 39mAmerican Airlines
Deal found 10/21$229
This Delta deal was found by Cheapflights users on 10/23. 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.
Sun 12/712:13 pmGRB - BUF
2 stops9h 45mDelta
Sun 12/146:12 amBUF - GRB
1 stop5h 19mDelta
Deal found 10/23$234
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 12/253:42 pmGRB - BUF
1 stop4h 12mUnited Airlines
Wed 12/316:30 amBUF - GRB
1 stop4h 39mUnited Airlines
Deal found 10/21$271
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 12/193:42 pmGRB - BUF
1 stop4h 12mUnited Airlines
Wed 12/246:30 amBUF - GRB
1 stop4h 39mUnited Airlines
Deal found 10/21$286
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:09 amGRB - BUF
1 stop11h 24mAmerican Airlines
Tue 12/2312:32 pmBUF - GRB
1 stop22h 07mAmerican Airlines
Deal found 10/21$369
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/2410:44 amGRB - BUF
1 stop9h 10mUnited Airlines
Tue 12/306:30 amBUF - GRB
1 stop4h 39mUnited Airlines
Deal found 10/21$391

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Delta)

One-way from

$168
(Delta)

Popular in

August

Cheapest in

February

Average price

$473
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
Search Deals
One-way flight 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).
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Average for round-trip flights in October 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 October 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

Thu 12/18

10:09 am-5:48 pm

1 stop6h 39m

Buffalo

Wed 12/24

6:00 am-9:39 am

1 stop4h 39m

$229

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

12:25 pm-4:38 pm

1 stop5h 13m

$229

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 12/25

3:42 pm-8:54 pm

1 stop4h 12m

Buffalo

Wed 12/31

6:30 am-10:09 am

1 stop4h 39m

$271

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 12/19

3:42 pm-8:54 pm

1 stop4h 12m

Buffalo

Wed 12/24

6:30 am-10:09 am

1 stop4h 39m

$286

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

Sun 12/7

7:00 am-12:34 pm

1 stop4h 34m

Buffalo

Sun 12/14

6:12 am-10:31 am

1 stop5h 19m

$318

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 12/18

10:09 am-10:33 pm

1 stop11h 24m

Buffalo

Tue 12/23

7:15 pm-9:39 am

2 stops15h 24m

$371

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 12/18

4:52 pm-10:58 pm

1 stop5h 06m

$168

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 12/30

3:42 pm-8:54 pm

1 stop4h 12m

$228

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sun 12/28

7:00 am-12:02 pm

1 stop4h 02m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 15 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Buffalo flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 23, 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
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

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
7,982 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

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
11,032 reviews
Delta
7.9
Good
7,982 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

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.

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

    For as low as $271, American Airlines can have you in Buffalo from Green Bay in 4h 12m. 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.

  • What are the cheapest airlines to fly from Green Bay to Buffalo one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $168. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Green Bay to Buffalo for a low price.

  • 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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