HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Green Bay

$146+ Cheap flights from Buffalo to Green Bay (BUF - GRB)

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — GRB
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Green Bay 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 Buffalo to Green Bay

Cheapest flights from Buffalo to Green Bay
Explore the most affordable flight options available from Buffalo to Green Bay. 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 3/19. 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.
Fri 4/176:02 pm
BUF
-
GRB
1 stop4h 35m
United Airlines
Sun 4/192:48 pm
GRB
-
BUF
1 stop4h 55m
United Airlines
Deal found 3/19$309
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/111:23 am
BUF
-
GRB
2 stops9h 09m
American Airlines
Sun 4/56:38 pm
GRB
-
BUF
1 stop4h 02m
American Airlines
Deal found 3/17$324
This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 9/304:30 pm
BUF
-
GRB
1 stop6h 28m
Delta
Sun 10/45:25 pm
GRB
-
BUF
1 stop4h 38m
Delta
Deal found 3/17$331
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.
Fri 3/277:00 am
BUF
-
GRB
1 stop3h 59m
United Airlines
Fri 4/310:40 am
GRB
-
BUF
1 stop5h 30m
United Airlines
Deal found 3/20$339
This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 9/304:30 pm
BUF
-
GRB
1 stop6h 28m
Delta
Tue 10/65:25 pm
GRB
-
BUF
1 stop4h 40m
Delta
Deal found 3/17$349
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.
Fri 3/277:00 am
BUF
-
GRB
1 stop3h 59m
United Airlines
Mon 3/301:30 pm
GRB
-
BUF
1 stop6h 13m
United Airlines
Deal found 3/18$359
This American Airlines deal was found by Cheapflights users on 3/17. 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 8/66:30 am
BUF
-
GRB
1 stop3h 47m
American Airlines
Tue 8/116:37 pm
GRB
-
BUF
1 stop4h 03m
American Airlines
Deal found 3/17$369

Find flight deals from Buffalo to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Green Bay (GRB). 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

$309
(United Airlines)

One-way from

$146
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$248
Provider with most accurate pricing for Buffalo-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Green Bay Austin-Straubel flights.
Search Deals
From Buffalo to Green Bay Austin-Straubel
Search Deals
One-way flight from Buffalo to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Green Bay 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 Buffalo to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Fri 4/17

6:09 am-2:13 pm

2 stops9h 04m

Green Bay Austin-Straubel

Sun 4/19

3:47 pm-8:43 pm

1 stop3h 56m

$398

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Sat 8/8

9:00 am-8:35 pm

1 stop12h 35m

Green Bay Austin-Straubel

Mon 8/10

5:25 pm-11:03 pm

1 stop4h 38m

$409
Quickest round-trip

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Wed 4/1

1:00 pm-4:31 pm

1 stop4h 31m

Green Bay Austin-Straubel

Sun 4/5

5:17 pm-10:55 pm

1 stop4h 38m

$421

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Sat 4/11

2:25 pm-11:31 pm

2 stops10h 06m

Green Bay Austin-Straubel

Sun 4/12

5:24 pm-10:51 am

1 stop16h 27m

$450

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Thu 8/6

1:43 pm-11:28 pm

2 stops10h 45m

Green Bay Austin-Straubel

Tue 8/11

6:37 pm-11:40 pm

1 stop4h 03m

$457

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Fri 8/7

4:30 pm-9:58 pm

1 stop6h 28m

Green Bay Austin-Straubel

Mon 8/10

5:25 pm-11:03 pm

1 stop4h 38m

$473

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Sat 8/8

6:00 am-2:00 pm

2 stops9h 00m

Green Bay Austin-Straubel

Mon 8/10

3:44 pm-8:41 pm

1 stop3h 57m

$526

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Thu 5/14

1:45 pm-11:35 pm

2 stops10h 50m

Green Bay Austin-Straubel

Mon 5/18

5:40 am-4:32 pm

2 stops9h 52m

$527

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Sat 4/11

6:00 am-3:12 pm

2 stops10h 12m

Green Bay Austin-Straubel

Sun 4/12

5:40 pm-10:00 am

2 stops15h 20m

$556

BuffaloGreen Bay

BUF - GRB

BUFGRB

Buffalo

Fri 4/17

1:45 pm-9:58 pm

2 stops9h 13m

Green Bay Austin-Straubel

Sun 4/19

5:40 am-3:11 pm

2 stops8h 31m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Green Bay

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 Buffalo to Green Bay in March.
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 Buffalo-Green Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Green Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Green Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Green Bay 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 Buffalo-Green Bay 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 Buffalo to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Buffalo 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 Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated March 22, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Buffalo to Green Bay. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,489 reviews
United Airlines
7.4
Good
9,455 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Green Bay. 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 Buffalo to Green Bay?

    Airlines like United Airlines, Delta, and American Airlines fly from Buffalo to Green Bay in about 9h 04m. The time it takes to get you to your destination can typically vary by up to 3h 31m. Buffalo and Green Bay are separated by a distance of 481 mi. This flight may include one or multiple stops.

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

    According to our current data, United Airlines ($233), and American Airlines ($288) offers the cheapest pricing from Buffalo to Green Bay. Users have found that United Airlines is 36% cheaper than the other options available to this destination.

  • Can I find deals for flights from Buffalo to Green Bay that include hotel bookings?

    Yes. In addition to deals on Buffalo to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Green Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Green Bay.

  • Can I find deals for business class flights from Buffalo to Green Bay?

    Yes. Cheapflights offers flight deals from Buffalo to Green Bay 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

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.

Top 2 airlines flying from Buffalo to Green Bay

Discover the top 2 airlines that operate flights from Buffalo to Green Bay. 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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$233Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$463FlexibilityNo 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.