$131 Cheap Flights from Green Bay (GRB) to Buffalo (BUF)

View $131 flight on Sat, Aug 30, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $131 for one-way flights and $214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Aug 17 - Sun, Aug 31
GRB
Green Bay
BUF
Buffalo
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Aug 17 from Green Bay to Buffalo, returning Sun, Aug 31, priced at $214 found 1 day ago
Delta
Sat, Aug 30 - Wed, Sep 17
GRB
Green Bay
BUF
Buffalo
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Green Bay to Buffalo, returning Wed, Sep 17, priced at $219 found 1 day ago
Delta
Wed, Aug 13 - Sun, Aug 31
GRB
Green Bay
BUF
Buffalo
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Green Bay to Buffalo, returning Sun, Aug 31, priced at $225 found 4 days ago
Delta
Wed, Sep 10 - Sat, Sep 20
GRB
Green Bay
BUF
Buffalo
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 10 from Green Bay to Buffalo, returning Sat, Sep 20, priced at $234 found 1 day ago
Delta
Tue, Sep 30 - Wed, Oct 15
GRB
Green Bay
BUF
Buffalo
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 30 from Green Bay to Buffalo, returning Wed, Oct 15, priced at $240 found 1 day ago
Delta
Sat, Nov 22 - Thu, Nov 27
GRB
Green Bay
BUF
Buffalo
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 22 from Green Bay to Buffalo, returning Thu, Nov 27, priced at $244 found 5 days ago
Delta
Sat, Aug 30 - Fri, Sep 12
GRB
Green Bay
BUF
Buffalo
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 30 from Green Bay to Buffalo, returning Fri, Sep 12, priced at $244 found 4 days ago
Delta
Thu, Aug 7 - Sat, Aug 16
GRB
Green Bay
BUF
Buffalo
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 7 from Green Bay to Buffalo, returning Sat, Aug 16, priced at $245 found 1 day ago
American Airlines
Sun, Aug 31 - Sat, Sep 13
GRB
Green Bay
BUF
Buffalo
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Aug 31 from Green Bay to Buffalo, returning Sat, Sep 13, priced at $279 found 1 day ago
United
Thu, Jul 10 - Sat, Jul 12
GRB
Green Bay
BUF
Buffalo
$289 Roundtrip, found 6 hours ago
$289
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Jul 10 from Green Bay to Buffalo, returning Sat, Jul 12, priced at $289 found 6 hours ago

Find the cheapest month to fly from Green Bay (GRB) to Buffalo (BUF)

May is typically the cheapest month to fly

From $198 - $568 per traveler.

Graph displaying average flight prices per month

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $324
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $324
Flights from Green Bay (GRB) to Buffalo (BUF)
Origin airport
Austin Straubel Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$213
Distance
481 mi

Green Bay to Buffalo Flights

The cheapest times to fly from Green Bay to Buffalo

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 Green Bay to Buffalo are during the month of August. You can find some of the cheapest flights from Green Bay to Buffalo with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Green Bay to Buffalo: 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 Green Bay to Buffalo

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 Green Bay to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $131 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 Green Bay to Buffalo 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 Green Bay to Buffalo 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.

 

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF) cost?
Discover the latest flight deals from GRB to BUF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GRB to BUF?
The cheapest flights from GRB to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GRB to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GRB to BUF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF)?
There are no daily direct flights departing from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from GRB to BUF?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF)?
To avoid possible delays on the Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your flight from GRB to BUF just before your trip is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a GRB to BUF flight and hotel package?
Booking a GRB to BUF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Buffalo Niagara Intl. Airport (BUF)?
If you booked your GRB to BUF flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.