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$146+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap 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 March 12, 2026.

This American Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 5/87:30 am
GRB
-
BUF
1 stop5h 51m
American Airlines
Mon 5/116:00 am
BUF
-
GRB
1 stop4h 12m
American Airlines
Deal found 3/9$269
This Delta deal was found by Cheapflights users on 3/11. 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 5/165:01 pm
GRB
-
BUF
1 stop4h 53m
Delta
Thu 5/214:55 pm
BUF
-
GRB
1 stop6h 57m
Delta
Deal found 3/11$294
This United Airlines deal was found by Cheapflights users on 3/10. 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 3/262:54 pm
GRB
-
BUF
1 stop4h 52m
United Airlines
Mon 3/307:00 am
BUF
-
GRB
1 stop5h 59m
United Airlines
Deal found 3/10$299
This United Airlines deal was found by Cheapflights users on 3/8. 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 6/23:44 pm
GRB
-
BUF
1 stop4h 19m
United Airlines
Sat 6/66:00 am
BUF
-
GRB
2 stops9h 00m
United Airlines
Deal found 3/8$323
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/292:48 pm
GRB
-
BUF
1 stop4h 55m
United Airlines
Sat 5/211:02 am
BUF
-
GRB
1 stop3h 56m
United Airlines
Deal found 3/8$329
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 5/185:40 am
GRB
-
BUF
1 stop4h 11m
American Airlines
Wed 5/206:00 am
BUF
-
GRB
1 stop4h 12m
American Airlines
Deal found 3/8$344

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$146
(United Airlines)
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.
Search Deals
From Green Bay Austin-Straubel to Buffalo
Search Deals
One-way flight from Green Bay Austin-Straubel to Buffalo
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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 March 12, 2026.
Use the filters below to find and compare flights from Green Bay to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 6/2

3:44 pm-9:03 pm

1 stop4h 19m

Buffalo

Sat 6/6

7:00 am-11:59 am

1 stop5h 59m

$269

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 3/26

2:54 pm-8:46 pm

1 stop4h 52m

Buffalo

Mon 3/30

7:00 am-11:59 am

1 stop5h 59m

$299
Quickest round-trip

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 4/29

2:48 pm-8:43 pm

1 stop4h 55m

Buffalo

Sat 5/2

11:02 am-1:58 pm

1 stop3h 56m

$329
Cheapest one-way
Quickest one-way

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 4/15

1:30 pm-8:43 pm

1 stop6h 13m

$146

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 4/15

9:42 am-9:20 pm

2 stops10h 38m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

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 March 12, 2026.
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
7.1
Good
11,446 reviews

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

7.9

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,446 reviews
American Airlines
7.1
Good
11,446 reviews

Entertainment

6.9

Boarding

7.5

Food

6.4

Crew

7.9

Comfort

7.2

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 $269, United Airlines can have you in Buffalo from Green Bay in 4h 19m. The distance between Green Bay and Buffalo is about 481 mi.

  • 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..

  • 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.

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

Browse thousands of different options on Cheapflights for your next trip

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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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