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Cheap flights from Green Bay to Buffalo from $126

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 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:40 am - 10:50 am
GRB
-
BUF
4h 10m
1 stop
American Airlines Logo
6:00 am - 9:12 am
BUF
-
GRB
4h 12m
1 stop
$298American Airlines
Fri, May 8 - Mon, May 11
United Airlines Logo
2:35 pm - 9:01 pm
GRB
-
BUF
5h 26m
1 stop
United Airlines Logo
5:50 pm - 11:58 pm
BUF
-
GRB
7h 08m
1 stop
$309United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
2:35 pm - 11:44 pm
GRB
-
BUF
8h 09m
2 stops
United Airlines Logo
5:50 pm - 9:26 pm
BUF
-
GRB
4h 36m
1 stop
$314United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
3:48 pm - 11:44 pm
GRB
-
BUF
6h 56m
2 stops
United Airlines Logo
6:04 am - 3:10 pm
BUF
-
GRB
10h 06m
2 stops
$319United Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
5:40 am - 10:50 am
GRB
-
BUF
4h 10m
1 stop
American Airlines Logo
6:00 am - 9:12 am
BUF
-
GRB
4h 12m
1 stop
$323American Airlines
Thu, May 7 - Mon, May 11
Delta Logo
7:00 am - 11:24 am
GRB
-
BUF
3h 24m
1 stop
Delta Logo
4:55 pm - 10:47 pm
BUF
-
GRB
6h 52m
1 stop
$324Delta
Tue, May 12 - Sat, May 16
Delta Logo
7:00 am - 5:01 pm
GRB
-
BUF
9h 01m
2 stops
Delta Logo
6:25 am - 10:26 am
BUF
-
GRB
5h 01m
1 stop
$329Delta
Tue, May 12 - Sat, May 16
United Airlines Logo
2:35 pm - 11:44 pm
GRB
-
BUF
8h 09m
2 stops
United Airlines Logo
10:31 am - 9:26 pm
BUF
-
GRB
11h 55m
2 stops
$395United Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
5:40 am - 10:50 am
GRB
-
BUF
4h 10m
1 stop
American Airlines Logo
5:32 pm - 11:35 pm
BUF
-
GRB
7h 03m
2 stops
$427American Airlines
Fri, May 8 - Mon, May 11
American Airlines Logo
5:40 am - 10:50 am
GRB
-
BUF
4h 10m
1 stop
American Airlines Logo
5:32 pm - 11:35 pm
BUF
-
GRB
7h 03m
2 stops
$452American Airlines
Thu, May 7 - Mon, May 11

United Airlines flights from Green Bay to Buffalo

Our best United Airlines deals on Green Bay to Buffalo flight tickets
United Airlines
May 2
GRB2:35 pmGreen Bay Austin-Straubel
5h 26m
1 stop
BUF9:01 pmBuffalo
May 6
BUF5:50 pmBuffalo
7h 08m
1 stop
GRB11:58 pmGreen Bay Austin-Straubel
$309
United Airlines
May 2
GRB2:35 pmGreen Bay Austin-Straubel
8h 09m
2 stops
BUF11:44 pmBuffalo
May 6
BUF5:50 pmBuffalo
4h 36m
1 stop
GRB9:26 pmGreen Bay Austin-Straubel
$314
United Airlines
May 2
GRB3:48 pmGreen Bay Austin-Straubel
6h 56m
2 stops
BUF11:44 pmBuffalo
May 6
BUF6:04 amBuffalo
10h 06m
2 stops
GRB3:10 pmGreen Bay Austin-Straubel
$319

Delta flights from Green Bay to Buffalo

Our best Delta deals on Green Bay to Buffalo flight tickets
Delta
May 12
GRB7:00 amGreen Bay Austin-Straubel
3h 24m
1 stop
BUF11:24 amBuffalo
May 16
BUF4:55 pmBuffalo
6h 52m
1 stop
GRB10:47 pmGreen Bay Austin-Straubel
$324
Delta
May 12
GRB7:00 amGreen Bay Austin-Straubel
9h 01m
2 stops
BUF5:01 pmBuffalo
May 16
BUF6:25 amBuffalo
5h 01m
1 stop
GRB10:26 amGreen Bay Austin-Straubel
$329
Delta
May 7
GRB7:00 amGreen Bay Austin-Straubel
9h 01m
2 stops
BUF5:01 pmBuffalo
May 11
BUF10:00 amBuffalo
11h 34m
2 stops
GRB8:34 pmGreen Bay Austin-Straubel
$547

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 February 6, 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

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 5/8

5:40 am-10:50 am

1 stop4h 10m

Buffalo

Mon 5/11

6:00 am-9:12 am

1 stop4h 12m

$298

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 5/2

2:35 pm-9:01 pm

1 stop5h 26m

Buffalo

Wed 5/6

5:50 pm-11:58 pm

1 stop7h 08m

$309

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 5/2

2:35 pm-11:44 pm

2 stops8h 09m

Buffalo

Wed 5/6

5:50 pm-9:26 pm

1 stop4h 36m

$314

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 5/2

3:48 pm-11:44 pm

2 stops6h 56m

Buffalo

Wed 5/6

6:04 am-3:10 pm

2 stops10h 06m

$319

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 5/7

5:40 am-10:50 am

1 stop4h 10m

Buffalo

Mon 5/11

6:00 am-9:12 am

1 stop4h 12m

$323

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 5/12

7:00 am-11:24 am

1 stop3h 24m

Buffalo

Sat 5/16

4:55 pm-10:47 pm

1 stop6h 52m

$324

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Tue 5/12

7:00 am-5:01 pm

2 stops9h 01m

Buffalo

Sat 5/16

6:25 am-10:26 am

1 stop5h 01m

$329

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Sat 5/2

2:35 pm-11:44 pm

2 stops8h 09m

Buffalo

Wed 5/6

10:31 am-9:26 pm

2 stops11h 55m

$395

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Fri 5/8

5:40 am-10:50 am

1 stop4h 10m

Buffalo

Mon 5/11

5:32 pm-11:35 pm

2 stops7h 03m

$427

Green BayBuffalo

GRB - BUF

GRBBUF

Green Bay Austin-Straubel

Thu 5/7

5:40 am-10:50 am

1 stop4h 10m

Buffalo

Mon 5/11

5:32 pm-11:35 pm

2 stops7h 03m

$452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 and American Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Buffalo

What airlines fly to Buffalo?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Buffalo from Green Bay according to our data. Delta is the first choice among our users, with 35% 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 13m

Direct flights

None
The fastest flight from Green Bay to Buffalo takes 4h 13m
There are no direct flights from Green Bay to Buffalo. There are no popular flight routes from Green Bay to Buffalo.
Search flight deals

  • 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 13m.

  • 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 many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Buffalo Airport?

  • 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.

  • What is the most popular airline from Green Bay to Buffalo?

Best airlines flying from Green Bay to Buffalo

Compare and see reviews for airlines that fly from Green Bay to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,246 reviews
Search American Airlines flights

Traveling to a place near Buffalo?

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