HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$126+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BUF
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$126
(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

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 January 14, 2026.

This United Airlines deal was found by Cheapflights users on 1/12. 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 2/116:31 am
GRB
-
BUF
1 stop5h 53m
United Airlines
Wed 2/187:00 am
BUF
-
GRB
1 stop3h 50m
United Airlines
Deal found 1/12$249
This Delta deal was found by Cheapflights users on 1/12. 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 2/512:06 pm
GRB
-
BUF
2 stops9h 51m
Delta
Tue 2/106:00 am
BUF
-
GRB
2 stops10h 37m
Delta
Deal found 1/12$280
This Delta deal was found by Cheapflights users on 1/13. 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.
Fri 5/85:25 pm
GRB
-
BUF
1 stop4h 38m
Delta
Mon 5/114:57 pm
BUF
-
GRB
1 stop6h 01m
Delta
Deal found 1/13$294
This Delta deal was found by Cheapflights users on 1/14. 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 5/75:25 pm
GRB
-
BUF
1 stop4h 38m
Delta
Mon 5/114:57 pm
BUF
-
GRB
1 stop6h 01m
Delta
Deal found 1/14$299
This United Airlines deal was found by Cheapflights users on 1/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:40 pm
GRB
-
BUF
1 stop3h 51m
United Airlines
Wed 5/67:00 am
BUF
-
GRB
1 stop4h 05m
United Airlines
Deal found 1/11$309
This Delta deal was found by Cheapflights users on 1/14. 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 5/215:25 pm
GRB
-
BUF
1 stop4h 38m
Delta
Sun 5/2412:50 pm
BUF
-
GRB
1 stop4h 43m
Delta
Deal found 1/14$324
This American Airlines deal was found by Cheapflights users on 1/13. 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 5/77:48 am
GRB
-
BUF
1 stop5h 31m
American Airlines
Mon 5/116:14 am
BUF
-
GRB
1 stop3h 56m
American Airlines
Deal found 1/13$343

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 January 14, 2026.
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

Fri 5/8

5:25 pm-11:03 pm

1 stop4h 38m

Buffalo

Mon 5/11

4:57 pm-9:58 pm

1 stop6h 01m

$249

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 2/5

4:53 pm-11:48 pm

1 stop5h 55m

Buffalo

Tue 2/10

11:21 am-4:23 pm

1 stop6h 02m

$249

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 2/11

10:42 am-4:44 pm

1 stop5h 02m

Buffalo

Wed 2/18

6:00 am-3:09 pm

2 stops10h 09m

$254

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 2/11

11:20 am-11:42 pm

2 stops11h 22m

Buffalo

Wed 2/18

6:01 pm-11:32 pm

1 stop6h 31m

$254

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 2/5

12:06 pm-10:57 pm

2 stops9h 51m

Buffalo

Tue 2/10

6:00 am-3:37 pm

2 stops10h 37m

$280

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 5/2

3:40 pm-8:31 pm

1 stop3h 51m

Buffalo

Wed 5/6

7:00 am-10:05 am

1 stop4h 05m

$309

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 3/4

3:44 pm-8:51 pm

1 stop4h 07m

$126

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 3/4

7:00 am-11:43 am

1 stop3h 43m

$136

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sun 2/22

5:36 pm-10:57 pm

1 stop4h 21m

$258

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 1/21

4:53 pm-11:48 pm

1 stop5h 55m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 14 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-Buffalo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 August is currently the most expensive (average of $304). 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 January 14, 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
7.2
Good
11,119 reviews

Food

6.4

Comfort

7.2

Boarding

7.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,119 reviews
American Airlines
7.2
Good
11,119 reviews

Food

6.4

Comfort

7.2

Boarding

7.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

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 $249, Delta can have you in Buffalo from Green Bay in 4h 38m. The distance between Green Bay and Buffalo is about 481 mi. This flight may include one or multiple stops.

  • 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.

  • 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 August is currently the most expensive (average of $304). 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
Batavia
Williamsville
Orchard Park
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 John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
Minneapolis to John F Kennedy Intl flights
Minneapolis to LaGuardia flights
Minneapolis to Newark flights
Milwaukee to LaGuardia flights
Milwaukee to John F Kennedy Intl flights
Milwaukee to Newark flights
Madison to LaGuardia flights
Madison to Newark flights
Madison to John F Kennedy Intl flights
O'Hare Intl to Buffalo flights
O'Hare Intl to Albany flights
O'Hare Intl to Syracuse flights
Appleton to John F Kennedy Intl flights
Appleton to LaGuardia flights
Appleton to Newark flights
O'Hare Intl to Rochester flights
Minneapolis to Syracuse flights
Minneapolis to Buffalo flights
Green Bay to John F Kennedy Intl flights
Minneapolis to Albany flights
Green Bay to Newark flights
O'Hare Intl to White Plains flights
O'Hare Intl to Islip flights
Green Bay to LaGuardia flights
Minneapolis to White Plains flights
Minneapolis to Rochester flights
Madison to Syracuse flights
Duluth to Newark flights
Milwaukee to White Plains flights
Duluth to LaGuardia flights
Milwaukee to Syracuse flights
Duluth to John F Kennedy Intl flights
Madison to Albany flights
Madison to White Plains flights
Milwaukee to Albany flights
Milwaukee to Buffalo flights
Green Bay to Syracuse flights
Appleton to White Plains flights
Minneapolis to Ithaca flights
Wausau to John F Kennedy Intl flights
Wausau to LaGuardia flights
Wausau to Newark flights
O'Hare Intl to Stewart flights
Appleton to Syracuse flights
O'Hare Intl to Ithaca flights
Milwaukee to Rochester flights

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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$498FlexibilityNo cancel feeOn-time71%

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.