A waterway with a narrow path flanked by greenery, leading to a distant island.

$193 Cheap Flights from Buffalo (BUF) to Green Bay (GRB)

View $193 flight on Sat, Sep 5, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Green Bay Austin Straubel Intl. Airport (GRB)

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Cheap Flights from Buffalo to Green Bay (BUF-GRB)

Prices were available within the past 7 days and start at $193 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 24 - Sat, Aug 29
BUF
Buffalo
GRB
Green Bay
$299 Roundtrip, found 10 hours ago
$299
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 24 from Buffalo to Green Bay, returning Sat, Aug 29, priced at $299 found 10 hours ago
United
Mon, Aug 24 - Sat, Aug 29
BUF
Buffalo
GRB
Green Bay
$304 Roundtrip, found 10 hours ago
$304
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 24 from Buffalo to Green Bay, returning Sat, Aug 29, priced at $304 found 10 hours ago
Delta
Fri, Dec 4 - Mon, Dec 7
BUF
Buffalo
GRB
Green Bay
$311 Roundtrip, found 3 hours ago
$311
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Dec 4 from Buffalo to Green Bay, returning Mon, Dec 7, priced at $311 found 3 hours ago
American Airlines
Fri, Aug 28 - Mon, Aug 31
BUF
Buffalo
GRB
Green Bay
$319 Roundtrip, found 3 hours ago
$319
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Aug 28 from Buffalo to Green Bay, returning Mon, Aug 31, priced at $319 found 3 hours ago
American Airlines
Fri, Aug 7 - Sat, Aug 8
BUF
Buffalo
GRB
Green Bay
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 7 from Buffalo to Green Bay, returning Sat, Aug 8, priced at $329 found 6 days ago
American Airlines
Thu, Dec 10 - Sat, Dec 12
BUF
Buffalo
GRB
Green Bay
$334 Roundtrip, found 10 hours ago
$334
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Dec 10 from Buffalo to Green Bay, returning Sat, Dec 12, priced at $334 found 10 hours ago
American Airlines
Sat, Sep 5 - Tue, Sep 8
BUF
Buffalo
GRB
Green Bay
$352 Roundtrip, found 4 hours ago
$352
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 5 from Buffalo to Green Bay, returning Tue, Sep 8, priced at $352 found 4 hours ago
American Airlines
Sat, Aug 8 - Fri, Aug 14
BUF
Buffalo
GRB
Green Bay
$354 Roundtrip, found 23 hours ago
$354
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Aug 8 from Buffalo to Green Bay, returning Fri, Aug 14, priced at $354 found 23 hours ago
United
Mon, Aug 24 - Sat, Aug 29
BUF
Buffalo
GRB
Green Bay
$355 Roundtrip, found 10 hours ago
$355
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Aug 24 from Buffalo to Green Bay, returning Sat, Aug 29, priced at $355 found 10 hours ago
American Airlines
Fri, Mar 5 - Mon, Mar 8
BUF
Buffalo
GRB
Green Bay
$359 Roundtrip, found 22 hours ago
$359
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Fri, Mar 5 from Buffalo to Green Bay, returning Mon, Mar 8, priced at $359 found 22 hours ago

What you need to know for your flight from Buffalo Niagara Intl. to Austin Straubel Intl.

Buffalo (BUF) to Green Bay (GRB) at a glance

Explore a range of airlines offering flights from Buffalo (BUF) to Green Bay (GRB) on this domestic short-haul route. You can compare various options from full-service carriers to find the travel plan that suits your budget and schedule. As you prepare to discover the iconic sights and neighborhoods of Green Bay, check for all the essential details regarding flights from Buffalo Niagara International Airport (BUF) to Austin Straubel International Airport (GRB).

  • Fastest flight duration: around 3h 15m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 500 miles (805 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$445, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Austin Straubel International Airport (GRB)

Based on the latest traveler bookings, here are the top airlines flying from Buffalo to Green Bay, most commonly selected for their one-stop services. Popular layover options include O'Hare International Airport (ORD), with a layover of about 1 hour and 15 minutes; Detroit Metropolitan Wayne County Airport (DTW), with an average layover of around 2 hours and 30 minutes; and Hartsfield-Jackson Atlanta International Airport (ATL), which typically features a layover of approximately 3 hours and 45 minutes. This variety allows you to customize your journey based on price, total travel time, and cabin class for the ideal itinerary.

  • United: This full-service airline provides a one-stop travel option, with one-way fares generally falling between $140 and $445. It represents about 49% of flights on this route, featuring an in-flight duration of 3 hours and 15 minutes, and a total travel time of around 4 hours and 30 minutes, including layover.
  • American Airlines: As a full-service carrier, American Airlines offers one-stop flights, with one-way ticket prices usually ranging from $115 to $345. This airline accounts for roughly 28% of departures on this route, with an in-flight time of 3 hours and 15 minutes, leading to a total travel duration of about 4 hours and 30 minutes, considering the layover.
  • Delta: Delta operates as a full-service carrier providing one-stop service, with one-way fares typically between $115 and $420. It makes up approximately 23% of the departures on this route, offering an in-flight time of 3 hours and 15 minutes, resulting in a total journey time of nearly 4 hours and 30 minutes, including layover.

Alternative route from Buffalo (BUF) to Green Bay (GRB)

  • Buffalo to Appleton (BUF-ATW): Located approximately 25 miles from Austin Straubel International Airport (GRB), Appleton International Airport (ATW) serves as a key destination. One-way economy ticket prices for this route generally fall between $90 and $375, influenced by the time of year and how far in advance you book. Flights commonly include one-stop options, with frequent layovers at O'Hare International Airport (ORD) and Detroit Metropolitan Wayne County Airport (DTW). Major airlines operating on this route are American Airlines and United, and first-class service is also offered.

How to find the best prices for flights from Buffalo (BUF) to Green Bay (GRB)

Getting some of the best deals on flights from Buffalo to Green Bay is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book within two weeks. Departures in the afternoon (12 p.m. to 6 p.m.) often offer lower prices, while morning flights (5 a.m. to 12 p.m.) are more popular. Additionally, flying on Tuesday generally results in cheaper rates, while Wednesday is the most commonly traveled day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Green Bay hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Austin Straubel International Airport from Buffalo Niagara International Airport

Green Bay welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Here's how to reach Green Bay efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Green Bay, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Austin Straubel International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Austin Straubel International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Austin Straubel International Airport, Green Bay (De Pere Park and Ride) Bus Station, a bus station, is located about 5.5 miles away by car, providing convenient access for travelers heading into the city.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) cost?
You can find cheap one-way flights from $193 and cheap return flights from $299 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) with Expedia. One-way flights usually range from $125 to $764, and return flights typically cost between $316 and $1307. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
The cheapest month to fly from BUF to GRB is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
Enter BUF to GRB and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Buffalo (BUF) to Green Bay (GRB), with round-trip tickets starting from around $228, with a layover in Ronald Reagan Washington National (DCA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Green Bay (GRB) typically departs at around 5:05 AM, operated by American Airlines. This is a seasonal service active in July, allowing you to start your day early and maximize your time in Green Bay. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Green Bay (GRB) are from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Delta Airlines, offer flights during this window. This timing is favored as it allows you to start your day early and make the most of your time in Green Bay.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
A flight from BUF to GRB with a layover takes around 4 hours, with the route covering approximately 481 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
Select the "Business class" and "First class" filters when looking for BUF to GRB flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Green Bay from Buffalo Niagara Intl. (BUF)?
From Buffalo Niagara Intl. (BUF), you can fly into Austin Straubel Intl. (GRB) to reach Green Bay. Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), Detroit Metropolitan Wayne County (DTW) before reaching Green Bay. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) Green Bay Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Green Bay, WI (GRB-Austin Straubel Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Austin Straubel Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$298
Distance
481 mi

Book with confidence

Buffalo to Green Bay Flights

The cheapest times to fly from Buffalo to Green Bay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Green Bay are during the month of August. You can find some of the cheapest flights from Buffalo to Green Bay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Green Bay

Sunday is one of the best days to book for cheap flights from Buffalo to Green Bay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Green Bay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Green Bay in 2026. You can also book with separate airlines for your outbound and return journeys, from $193 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Green Bay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Green Bay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to Green Bay Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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