HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$200+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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

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 July 3, 2025.

Round-trip from

$264
(American Airlines)

One-way from

$200
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$360
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. 18% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:51 pmGRB - BUF
1 stop6h 17mAmerican Airlines
Mon 7/215:05 amBUF - GRB
1 stop5h 16mAmerican Airlines
Deal found 7/3$264
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/136:15 amGRB - BUF
2 stops7h 05mUnited Airlines
Sun 11/166:00 amBUF - GRB
2 stops10h 10mUnited Airlines
Deal found 7/1$462

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 July 3, 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 7/17

2:51 pm-10:08 pm

1 stop6h 17m

Buffalo

Mon 7/21

5:05 am-9:21 am

1 stop5h 16m

$264

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 11/13

6:15 am-2:20 pm

2 stops7h 05m

Buffalo

Sun 11/16

6:00 am-3:10 pm

2 stops10h 10m

$462

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 9/12

4:39 pm-9:51 pm

1 stop4h 12m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, January is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $256). Flying from Green Bay to Buffalo in December is currently the most expensive (average of $337). 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 July 3, 2025.
Get a feel of what it's like to fly with United Airlines 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.
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,861 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • What are the cheapest airlines flying from Green Bay to Buffalo round-trip?

    American Airlines, at $264, was found to be the cheapest airline from Green Bay to Buffalo. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 26% 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, January is the cheapest month in which you can book a flight from Green Bay to Buffalo (average of $256). Flying from Green Bay to Buffalo in December is currently the most expensive (average of $337). 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 Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Williamsville
Orchard Park
Batavia
Eden
Amherst
West Seneca

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.

Alternative routes for Green Bay to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to LaGuardia flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
Minneapolis to LaGuardia flights
Minneapolis to Newark flights
Minneapolis to John F Kennedy Intl flights
Milwaukee to Newark flights
Milwaukee to LaGuardia flights
Milwaukee to John F Kennedy Intl flights
Madison to Newark flights
Madison to LaGuardia flights
O'Hare Intl to Buffalo flights
Madison to John F Kennedy Intl flights
O'Hare Intl to Syracuse flights
O'Hare Intl to Albany flights
O'Hare Intl to Stewart flights
O'Hare Intl to Rochester flights
Minneapolis to Buffalo flights
Madison to Albany flights
Appleton to LaGuardia flights
O'Hare Intl to White Plains flights
Milwaukee to Albany flights
Appleton to John F Kennedy Intl flights
Minneapolis to Syracuse flights
Minneapolis to Albany flights
Milwaukee to White Plains flights
Minneapolis to White Plains flights
Green Bay to John F Kennedy Intl flights
Appleton to Newark flights
Minneapolis to Rochester flights
Milwaukee to Rochester flights
Duluth to LaGuardia flights
Duluth to John F Kennedy Intl flights
Duluth to Newark flights
O'Hare Intl to Ithaca flights
O'Hare Intl to Islip flights
Madison to Buffalo flights
Appleton to Syracuse flights
Green Bay to LaGuardia flights
Milwaukee to Buffalo flights
Green Bay to Newark flights
Milwaukee to Stewart flights
Madison to White Plains flights
O'Hare Intl to Rutland flights
Green Bay to Syracuse flights
Madison to Syracuse flights
Madison to Rochester flights
Eau Claire to Newark flights
Minneapolis to Stewart flights
Minneapolis to Islip flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$171Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$353FlexibilityNo cancel feeOn-time69%

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.