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

United Airlines, Delta, and American Airlines can get you from Region of Ontario to Green Bay in just under 3h 38m. Your travel time can differ by up to 3h 16m. Airlines will cover a distance of 686 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Green Bay ranges from 28.0 - 99.0 mm per month. June is typically the wettest month, when rainfall can reach 99.0 mm. January is typically the driest time to visit Green Bay when rainfall is around 28.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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?

Green Bay Austin-Straubel (GRB), located 9.5 km from the city centre, is the airport you fly into when you book flights from Ontario to Green Bay.

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.

C$ 390+ Cheap Flights from Ontario to Green Bay

Cheap flight deals from Ontario to Green Bay

Enter your travel dates to find the best prices.

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One-way

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 22 August 2026.

Thu 10/93:13 p.m. -

1 stop10h 00m

Tue 15/98:27 p.m. -

1 stop13h 32m

Deal found 18/8C$ 650

Sat 3/1011:00 a.m. -

1 stop6h 54m

Sat 10/1010:33 a.m. -

1 stop6h 23m

Deal found 19/8C$ 698

Wed 28/106:25 p.m. -

1 stop6h 47m

Sat 31/106:00 a.m. -

1 stop5h 34m

Deal found 18/8C$ 713

Thu 10/92:30 p.m. -

2 stops7h 34m

Tue 15/96:25 a.m. -

2 stops6h 54m

Deal found 18/8C$ 718

Thu 29/109:44 a.m. -

2 stops10h 26m

Sat 31/105:30 p.m. -

1 stop5h 29m

Deal found 18/8C$ 720

Thu 17/911:00 a.m. -

1 stop7h 19m

Thu 24/95:00 a.m. -

1 stop3h 54m

Deal found 18/8C$ 739

Find flight deals from Ontario to Green Bay

Round-trip from	C$ 650
One-way from	C$ 390

American Airlines
10/9-15/9
2 total stops
23h 32m total
Ontario to Green Bay

Search Deals

United Airlines
16/9
1 total stop
7h 04m total
Ontario to Green Bay

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Sat 3/10

11:00 a.m.-4:54 p.m.

1 stop6h 54m

Green Bay Austin-Straubel

Sat 10/10

10:33 a.m.-5:56 p.m.

1 stop6h 23m

C$ 698

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Wed 6/1

7:45 a.m.-10:23 a.m.

1 stop3h 38m

Green Bay Austin-Straubel

Fri 8/1

4:00 p.m.-11:29 a.m.

2 stops18h 29m

C$ 703

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Wed 28/10

6:25 p.m.-12:12 a.m.

1 stop6h 47m

Green Bay Austin-Straubel

Sat 31/10

6:00 a.m.-12:34 p.m.

1 stop5h 34m

C$ 713

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Sun 24/1

9:45 a.m.-4:28 p.m.

1 stop7h 43m

Green Bay Austin-Straubel

Wed 27/1

5:25 p.m.-11:00 p.m.

1 stop4h 35m

C$ 718

Quickest round-trip

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Thu 29/10

5:55 p.m.-10:13 p.m.

1 stop5h 18m

Green Bay Austin-Straubel

Sat 31/10

3:15 p.m.-9:15 p.m.

1 stop5h 00m

C$ 720

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Thu 17/9

11:00 a.m.-5:19 p.m.

1 stop7h 19m

Green Bay Austin-Straubel

Thu 24/9

5:00 a.m.-9:54 a.m.

1 stop3h 54m

C$ 739

Cheapest one-way

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Wed 16/9

5:15 p.m.-11:19 p.m.

1 stop7h 04m

C$ 390

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Sat 3/10

7:30 a.m.-4:54 p.m.

2 stops10h 24m

C$ 390

Quickest one-way

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Wed 23/9

6:30 a.m.-9:35 a.m.

1 stop4h 05m

C$ 398

TorontoGreen Bay

YYZ Toronto Pearson Intl - GRB Green Bay Austin-Straubel

YYZGRB

Toronto Pearson Intl

Sun 13/9

7:00 a.m.-12:05 p.m.

1 stop6h 05m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

Showing 1-10 of 12 resultsSorted by cheapest first

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.

YYZ-GRB

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

CAON-GRB

YYZ-GRB

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?
Green Bay Austin-Straubel (GRB), located 9.5 km from the city centre, is the airport you fly into when you book flights from Ontario to Green Bay.
How long is the flight from Region of Ontario to Green Bay?
United Airlines, Delta, and American Airlines can get you from Region of Ontario to Green Bay in just under 3h 38m. Your travel time can differ by up to 3h 16m. Airlines will cover a distance of 686 km. This flight may include one or multiple stops.
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.

See more FAQs

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Top airline flying from Ontario to Green Bay

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 477	AverageC$ 885	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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Cheap flights from Ontario to Green Bay from C$ 390

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 22 August 2026.

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 22 August 2026.

Best flights from Ontario to Green BayDiscover 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 22 August 2026.

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 22 August 2026.

Last-minute flights from Ontario to Green BayDiscover last-minute flight deals from Ontario to Green Bay. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Green Bay. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Ontario to Green BaySearch for one-way flight options from Ontario to Green Bay. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Ontario to Green Bay. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

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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

Related info for your journey

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Green Bay

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Complete your trip

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Direct flights to United States

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Ontario and Green Bay flights

Browse other Ontario and Green Bay flight options. Last updated on 22 August 2026.

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Top airline flying from Ontario to Green Bay

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Can Cheapflights notify me if prices for flights from Ontario to Green Bay become cheaper?

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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 22 August 2026.

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 22 August 2026.

Last-minute flights from Ontario to Green Bay
Discover last-minute flight deals from Ontario to Green Bay. Data last updated 22 August 2026 and is based on user searches.

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 22 August 2026.