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$291+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/18. 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 4/151:30 pm
GRB
-
BUF
1 stop6h 13m
United Airlines
Wed 4/227:00 am
BUF
-
GRB
1 stop4h 00m
United Airlines
Deal found 3/18$291
This American Airlines deal was found by Cheapflights users on 3/18. 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 5/145:40 am
GRB
-
BUF
1 stop4h 11m
American Airlines
Tue 5/196:00 pm
BUF
-
GRB
1 stop5h 03m
American Airlines
Deal found 3/18$300
This American Airlines deal was found by Cheapflights users on 3/18. 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 4/159:42 am
GRB
-
BUF
2 stops10h 38m
American Airlines
Wed 4/221:45 pm
BUF
-
GRB
2 stops10h 46m
American Airlines
Deal found 3/18$301
This American Airlines deal was found by Cheapflights users on 3/20. 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 3/20$309
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/46:38 pm
GRB
-
BUF
1 stop4h 29m
American Airlines
Wed 4/86:00 am
BUF
-
GRB
1 stop4h 12m
American Airlines
Deal found 3/20$319
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/42:48 pm
GRB
-
BUF
2 stops8h 02m
United Airlines
Wed 4/87:00 am
BUF
-
GRB
1 stop5h 59m
United Airlines
Deal found 3/20$324
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 10/219:52 am
GRB
-
BUF
2 stops11h 01m
American Airlines
Sat 10/245:26 pm
BUF
-
GRB
2 stops6h 44m
American Airlines
Deal found 3/21$333
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:00 am
GRB
-
BUF
1 stop3h 24m
Delta
Tue 6/95:12 pm
BUF
-
GRB
1 stop6h 35m
Delta
Deal found 3/21$335

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 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(United Airlines)
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

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 22, 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
Quickest round-trip

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 4/21

3:47 pm-8:43 pm

1 stop3h 56m

Buffalo

Tue 4/28

7:00 am-10:00 am

1 stop4h 00m

$291

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 4/21

5:40 am-4:42 pm

2 stops10h 02m

Buffalo

Tue 4/28

11:49 am-9:58 pm

2 stops11h 09m

$301

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 5/8

5:40 am-10:51 am

1 stop4h 11m

Buffalo

Mon 5/11

5:32 pm-11:35 pm

2 stops7h 03m

$314

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 5/7

5:40 am-4:32 pm

2 stops9h 52m

Buffalo

Mon 5/11

6:00 am-9:12 am

1 stop4h 12m

$314

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 4/4

6:38 pm-12:07 am

1 stop4h 29m

Buffalo

Wed 4/8

6:00 am-9:12 am

1 stop4h 12m

$319

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 4/4

2:48 pm-11:50 pm

2 stops8h 02m

Buffalo

Wed 4/8

7:00 am-11:59 am

1 stop5h 59m

$324

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Mon 4/20

3:47 pm-11:50 pm

2 stops7h 03m

Buffalo

Mon 4/27

6:02 pm-9:37 pm

1 stop4h 35m

$343

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 4/29

3:47 pm-8:43 pm

1 stop3h 56m

Buffalo

Sat 5/2

5:55 pm-10:58 pm

1 stop6h 03m

$351
Cheapest one-way
Quickest one-way

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 3/27

5:17 pm-10:55 pm

1 stop4h 38m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

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.

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 $291, United Airlines can have you in Buffalo from Green Bay in 3h 56m. The distance between Green Bay and Buffalo is about 481 mi. This flight may include one or multiple stops.

  • 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

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