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Cheap flights from Green Bay to Buffalo from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Buffalo departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Green Bay to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:51 pm - 12:42 am
GRB
-
BUF
4h 51m
1 stop
American Airlines Logo
6:00 am - 9:24 am
BUF
-
GRB
4h 24m
1 stop
$326American Airlines
Sat, Jun 20 - Sat, Jun 27
American Airlines Logo
9:54 am - 9:03 pm
GRB
-
BUF
10h 09m
2 stops
American Airlines Logo
6:00 am - 9:24 am
BUF
-
GRB
4h 24m
1 stop
$331American Airlines
Sat, Jun 20 - Sat, Jun 27
United Airlines Logo
1:11 pm - 8:31 pm
GRB
-
BUF
6h 20m
1 stop
United Airlines Logo
7:00 am - 10:30 am
BUF
-
GRB
4h 30m
1 stop
$374United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
1:11 pm - 8:31 pm
GRB
-
BUF
6h 20m
1 stop
United Airlines Logo
7:00 am - 12:05 pm
BUF
-
GRB
6h 05m
1 stop
$397United Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
12:26 pm - 9:48 pm
GRB
-
BUF
8h 22m
2 stops
American Airlines Logo
6:09 pm - 12:16 am
BUF
-
GRB
7h 07m
1 stop
$401American Airlines
Fri, Aug 14 - Mon, Aug 17
American Airlines Logo
6:51 pm - 12:38 am
GRB
-
BUF
4h 47m
1 stop
American Airlines Logo
4:10 pm - 12:10 am
BUF
-
GRB
9h 00m
2 stops
$408American Airlines
Wed, Jun 24 - Mon, Jun 29
American Airlines Logo
3:19 pm - 10:47 pm
GRB
-
BUF
6h 28m
1 stop
American Airlines Logo
6:32 am - 12:31 pm
BUF
-
GRB
6h 59m
1 stop
$412American Airlines
Thu, Jul 2 - Wed, Jul 8
American Airlines Logo
6:04 am - 2:19 pm
GRB
-
BUF
7h 15m
2 stops
American Airlines Logo
6:32 am - 12:31 pm
BUF
-
GRB
6h 59m
1 stop
$417American Airlines
Thu, Jul 2 - Wed, Jul 8
Delta Logo
11:10 am - 3:21 pm
GRB
-
BUF
3h 11m
1 stop
Delta Logo
12:03 pm - 5:07 pm
BUF
-
GRB
6h 04m
1 stop
$418Delta
Thu, Jul 2 - Thu, Jul 9
American Airlines Logo
6:04 am - 2:19 pm
GRB
-
BUF
7h 15m
2 stops
American Airlines Logo
6:00 am - 12:31 pm
BUF
-
GRB
7h 31m
2 stops
$423American Airlines
Thu, Jul 2 - Wed, Jul 8

United Airlines flights from Green Bay to Buffalo

Our best United Airlines deals on Green Bay to Buffalo flight tickets
United Airlines
Oct 24
GRB1:11 pmGreen Bay Austin-Straubel
6h 20m
1 stop
BUF8:31 pmBuffalo
Oct 27
BUF7:00 amBuffalo
4h 30m
1 stop
GRB10:30 amGreen Bay Austin-Straubel
$374
United Airlines
Oct 24
GRB1:11 pmGreen Bay Austin-Straubel
6h 20m
1 stop
BUF8:31 pmBuffalo
Oct 27
BUF7:00 amBuffalo
6h 05m
1 stop
GRB12:05 pmGreen Bay Austin-Straubel
$397
United Airlines
Oct 24
GRB1:11 pmGreen Bay Austin-Straubel
8h 53m
2 stops
BUF11:04 pmBuffalo
Oct 27
BUF7:00 amBuffalo
4h 30m
1 stop
GRB10:30 amGreen Bay Austin-Straubel
$442

American Airlines flights from Green Bay to Buffalo

Our best American Airlines deals on Green Bay to Buffalo flight tickets
American Airlines
Jun 20
GRB6:51 pmGreen Bay Austin-Straubel
4h 51m
1 stop
BUF12:42 amBuffalo
Jun 27
BUF6:00 amBuffalo
4h 24m
1 stop
GRB9:24 amGreen Bay Austin-Straubel
$326
American Airlines
Jun 20
GRB9:54 amGreen Bay Austin-Straubel
10h 09m
2 stops
BUF9:03 pmBuffalo
Jun 27
BUF6:00 amBuffalo
4h 24m
1 stop
GRB9:24 amGreen Bay Austin-Straubel
$331
American Airlines
Aug 14
GRB12:26 pmGreen Bay Austin-Straubel
8h 22m
2 stops
BUF9:48 pmBuffalo
Aug 17
BUF6:09 pmBuffalo
7h 07m
1 stop
GRB12:16 amGreen Bay Austin-Straubel
$401

momondo 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, momondo users made 832,500 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Green Bay to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 6/20

6:51 pm-12:42 am

1 stop4h 51m

Buffalo

Sat 6/27

6:00 am-9:24 am

1 stop4h 24m

$326

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 6/20

9:54 am-9:03 pm

2 stops10h 09m

Buffalo

Sat 6/27

6:00 am-9:24 am

1 stop4h 24m

$331

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 10/24

1:11 pm-8:31 pm

1 stop6h 20m

Buffalo

Tue 10/27

7:00 am-10:30 am

1 stop4h 30m

$374

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 10/24

1:11 pm-8:31 pm

1 stop6h 20m

Buffalo

Tue 10/27

7:00 am-12:05 pm

1 stop6h 05m

$397

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 8/14

12:26 pm-9:48 pm

2 stops8h 22m

Buffalo

Mon 8/17

6:09 pm-12:16 am

1 stop7h 07m

$401

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Wed 6/24

6:51 pm-12:38 am

1 stop4h 47m

Buffalo

Mon 6/29

4:10 pm-12:10 am

2 stops9h 00m

$408

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 7/2

3:19 pm-10:47 pm

1 stop6h 28m

Buffalo

Wed 7/8

6:32 am-12:31 pm

1 stop6h 59m

$412

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 7/2

6:04 am-2:19 pm

2 stops7h 15m

Buffalo

Wed 7/8

6:32 am-12:31 pm

1 stop6h 59m

$417

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 7/2

11:10 am-3:21 pm

1 stop3h 11m

Buffalo

Thu 7/9

12:03 pm-5:07 pm

1 stop6h 04m

$418

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 7/2

6:04 am-2:19 pm

2 stops7h 15m

Buffalo

Wed 7/8

6:00 am-12:31 pm

2 stops7h 31m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buffalo from

How to get the cheapest flight ticket from Green Bay to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Green Bay Austin-Straubel to Buffalo?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Buffalo

What airlines fly to Buffalo?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Buffalo from Green Bay according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 3 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

When to book flights from Green Bay to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Buffalo (GRB to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Buffalo

Fastest flight time

4h 59m

Direct flights

None
The fastest flight from Green Bay to Buffalo takes 4h 59m
There are no direct flights from Green Bay to Buffalo. There are no popular flight routes from Green Bay to Buffalo.
Search flight deals

Frequently asked questions about flying from Green Bay to Buffalo

  • How far is Green Bay Austin-Straubel to Buffalo by plane?

    Buffalo is 469.7 mi away from Green Bay Austin-Straubel. A reasonable flight in good conditions will take 4h 59m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Buffalo Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Buffalo Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Buffalo Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Williamsville
Grand Island
Orchard Park
Bowmansville
West Seneca
Lockport
East Aurora
Eden
Angola

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Buffalo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buffalo from Green Bay.

Can I find flights from Green Bay to Buffalo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buffalo from Green Bay which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Green Bay to Buffalo?

Once all potential Green Bay to Buffalo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to Buffalo right now. Can momondo alert me if prices change?

Price alerts on flights to Buffalo from Green Bay are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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