How long is the flight from Region of Ontario to Green Bay?

American Airlines and Delta can get you from Region of Ontario to Green Bay in just under 5h 30m. Your travel time can differ by up to 10h 29m. Airlines will cover a distance of 426 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

If weather is an important factor for your trip to Green Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What is the cheapest time of day to fly from ON to GRB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Green Bay as you normally would.

What airport do you fly into for flights to Green Bay from Ontario?

For a flight from Ontario to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.

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

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

How can I find direct flights from Ontario to Green Bay?

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

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

Yes. Cheapflights offers flight deals from Ontario 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.

$288+ Flights from Ontario to Green Bay

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Find flight deals from Ontario to Green Bay

Cheapest flights from Ontario to Green Bay
Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Mon 11/246:20 pmYYZ - GRB

1 stop15h 59mAmerican Airlines

Mon 12/17:52 pmGRB - YYZ

1 stop14h 01mAmerican Airlines

Deal found 10/25

$337

Mon 11/247:40 pmYYZ - GRB

2 stops15h 31mUnited Airlines

Mon 12/13:51 pmGRB - YYZ

1 stop4h 30mUnited Airlines

Deal found 10/25

$549

Mon 10/2712:45 pmYYZ - GRB

2 stops9h 53mUnited Airlines

Wed 10/2910:46 amGRB - YYZ

1 stop4h 16mUnited Airlines

Deal found 10/23

$708

Mon 10/276:29 pmYYZ - GRB

1 stop15h 45mAmerican Airlines

Wed 10/299:44 amGRB - YYZ

1 stop3h 45mAmerican Airlines

Deal found 10/23

$732

Best flights from Ontario to Green Bay
Discover carefully curated flight deals from Ontario to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Mon 11/246:20 pmYYZ - GRB

1 stop15h 59mAmerican Airlines

Mon 12/17:52 pmGRB - YYZ

1 stop14h 01mAmerican Airlines

Deal found 10/25

$337

Wed 3/256:00 amYYZ - GRB

1 stop5h 30mDelta

Thu 3/2610:50 amGRB - YYZ

1 stop5h 34mDelta

Deal found 10/24

$534

Wed 3/2510:55 amYYZ - GRB

2 stops7h 48mAmerican Airlines

Thu 3/2611:32 amGRB - YYZ

1 stop4h 48mAmerican Airlines

Deal found 10/24

$534

Last-minute flights from Ontario to Green Bay
Discover last-minute flight deals from Ontario to Green Bay. Data last updated October 27, 2025 and is based on user searches.

Mon 10/2712:45 pmYYZ - GRB

2 stops9h 53mUnited Airlines

Wed 10/2910:46 amGRB - YYZ

1 stop4h 16mUnited Airlines

Deal found 10/23

$708

Mon 10/276:29 pmYYZ - GRB

1 stop15h 45mAmerican Airlines

Wed 10/299:44 amGRB - YYZ

1 stop3h 45mAmerican Airlines

Deal found 10/23

$732

Mon 11/246:20 pmYYZ - GRB

1 stop15h 59mAmerican Airlines

Mon 12/17:52 pmGRB - YYZ

1 stop14h 01mAmerican Airlines

Deal found 10/25

$337

Mon 11/247:40 pmYYZ - GRB

2 stops15h 31mUnited Airlines

Mon 12/13:51 pmGRB - YYZ

1 stop4h 30mUnited Airlines

Deal found 10/25

$549

One-way flights from Ontario to Green Bay
Search for one-way flight options from Ontario to Green Bay. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Tue 12/910:45 amYYZ - GRB

2 stops9h 15mUnited Airlines

Deal found 10/25

$288

Sun 11/234:00 pmYYZ - GRB

2 stops19h 30mDelta

Deal found 10/24

$301

Fri 11/147:40 pmYYZ - GRB

2 stops17h 53mUnited Airlines

Deal found 10/24

$303

Fri 11/1411:59 amYYZ - GRB

2 stops8h 23mAmerican Airlines

Deal found 10/24

$320

Thu 11/1312:08 pmYYZ - GRB

1 stop5h 02mWestJet

Deal found 10/24

$329

Thu 11/1312:45 pmYYZ - GRB

2 stops7h 15mUnited Airlines

Deal found 10/24

$333

Fri 10/3112:15 pmYYZ - GRB

1 stop5h 19mWestJet

Deal found 10/24

$339

Fri 10/3110:00 amYYZ - GRB

2 stops7h 46mUnited Airlines

Deal found 10/24

$359

Tue 12/96:30 amYYZ - GRB

3 stops30h 03mWestJet

Deal found 10/25

$819

Cheap flight deals from Ontario to Green Bay

Round-trip from	$337 (American Airlines)
One-way from	$288 (United Airlines)
Popular in	December
Cheapest in	April
Average price	$615

From Ontario to Green Bay Austin-Straubel

Search Deals

One-way flight from Ontario to Green Bay Austin-Straubel

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 11/24

6:20 pm-9:19 am

1 stop15h 59m

Green Bay Austin-Straubel

Mon 12/1

7:52 pm-10:53 am

1 stop14h 01m

$337

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 3/25

6:00 am-10:30 am

1 stop5h 30m

Green Bay Austin-Straubel

Thu 3/26

10:50 am-5:24 pm

1 stop5h 34m

$534

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 3/25

10:55 am-5:43 pm

2 stops7h 48m

Green Bay Austin-Straubel

Thu 3/26

11:32 am-5:20 pm

1 stop4h 48m

$534

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Tue 12/9

3:38 pm-8:39 pm

1 stop6h 01m

$288

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Tue 12/9

10:45 am-7:00 pm

2 stops9h 15m

$288

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sun 11/23

4:00 pm-10:30 am

2 stops19h 30m

$301

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 11/14

7:40 pm-12:33 pm

2 stops17h 53m

$303

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 11/14

6:30 am-11:33 am

1 stop6h 03m

$303

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 11/14

11:59 am-7:22 pm

2 stops8h 23m

$320

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 11/13

12:08 pm-4:10 pm

1 stop5h 02m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 14 results

Best time to book a flight from Ontario to Green Bay

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Green Bay

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Green Bay from Ontario?
For a flight from Ontario to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.
How long is the flight from Region of Ontario to Green Bay?
American Airlines and Delta can get you from Region of Ontario to Green Bay in just under 5h 30m. Your travel time can differ by up to 10h 29m. Airlines will cover a distance of 426 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Ontario to Green Bay that include hotel bookings?
Yes. In addition to deals on Ontario to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Green Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Green Bay.
Can I find deals for business class flights from Ontario to Green Bay?
Yes. Cheapflights offers flight deals from Ontario 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.

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$288+ Cheap flights from Ontario to Green Bay (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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Green Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Ontario to Green Bay

Cheapest flights from Ontario to Green BayExplore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Cheap flight deals from Ontario to Green Bay

Keep the following information in mind while searching for Ontario to Green Bay flight deals. Data was last updated October 27, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Best time to book a flight from Ontario to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Green Bay

Related info for your journey

Find useful and relevant information for your journey from Ontario to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Green Bay from Ontario?

How long is the flight from Region of Ontario to Green Bay?

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

How can I find direct flights from Ontario to Green Bay?

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

Traveling to a place near Green Bay?

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Cheapest flights from Ontario to Green Bay
Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.