HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$209+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 7, 2026.

This American Airlines deal was found by Cheapflights users on 6/5. 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.
Sun 6/286:51 pm
GRB
-
BUF
1 stop4h 47m
American Airlines
Sat 8/2910:11 am
BUF
-
GRB
1 stop6h 00m
American Airlines
Deal found 6/5$289
This United Airlines deal was found by Cheapflights users on 6/2. 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 10/241:11 pm
GRB
-
BUF
1 stop6h 20m
United Airlines
Tue 10/277:00 am
BUF
-
GRB
1 stop4h 30m
United Airlines
Deal found 6/2$374
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 7/43:17 pm
GRB
-
BUF
1 stop6h 30m
American Airlines
Fri 7/108:08 am
BUF
-
GRB
1 stop5h 23m
American Airlines
Deal found 6/6$378
This American Airlines deal was found by Cheapflights users on 6/4. 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 8/1412:26 pm
GRB
-
BUF
2 stops8h 22m
American Airlines
Mon 8/176:09 pm
BUF
-
GRB
1 stop7h 07m
American Airlines
Deal found 6/4$401
This American Airlines deal was found by Cheapflights users on 6/2. 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 6/246:51 pm
GRB
-
BUF
1 stop4h 47m
American Airlines
Mon 6/294:10 pm
BUF
-
GRB
2 stops9h 00m
American Airlines
Deal found 6/2$408
This Delta deal was found by Cheapflights users on 6/3. 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 7/211:10 am
GRB
-
BUF
1 stop3h 11m
Delta
Thu 7/912:03 pm
BUF
-
GRB
1 stop6h 04m
Delta
Deal found 6/3$418

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 June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$209
(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
One-way flight 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 June 7, 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

Sun 6/28

6:51 pm-12:38 am

1 stop4h 47m

Buffalo

Sat 8/29

4:54 pm-12:16 am

2 stops8h 22m

$294

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 10/24

1:11 pm-8:47 pm

1 stop6h 36m

Buffalo

Tue 10/27

7:00 am-12:05 pm

1 stop6h 05m

$374
Quickest round-trip

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 6/24

6:51 pm-12:38 am

1 stop4h 47m

Buffalo

Mon 6/29

6:00 am-9:18 am

1 stop4h 18m

$374

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 7/4

3:17 pm-10:47 pm

1 stop6h 30m

Buffalo

Fri 7/10

8:08 am-12:31 pm

1 stop5h 23m

$378

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 8/14

12:26 pm-9:48 pm

2 stops8h 22m

Buffalo

Mon 8/17

6:09 pm-12:16 am

1 stop7h 07m

$401
Cheapest one-way

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 7/1

6:00 pm-11:59 pm

1 stop4h 59m

$210
Quickest one-way

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 7/4

11:10 am-3:21 pm

1 stop3h 11m

$216

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 12/3

7:00 am-11:44 am

1 stop3h 44m

$230

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 8/29

5:37 pm-11:09 pm

1 stop4h 32m

$230

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 7/30

6:50 am-11:22 am

1 stop3h 32m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 17 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 $289, American Airlines can have you in Buffalo from Green Bay in 4h 47m. 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
Amherst
Batavia
Williamsville
Orchard Park
Eden

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.