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Cheap flights from Ontario to Green Bay from C$ 450

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Green Bay

Enter your travel dates to find the best prices.

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 26 March 2026.

Wed 22/47:55 a.m.
YYZ
-
GRB
2 stops16h 06m
Delta
Wed 29/47:00 a.m.
GRB
-
YYZ
2 stops13h 15m
Delta
Deal found 25/3C$ 702
Wed 15/46:15 a.m.
YYZ
-
GRB
1 stop16h 43m
American Airlines
Wed 22/45:40 a.m.
GRB
-
YYZ
1 stop11h 03m
American Airlines
Deal found 22/3C$ 765
Thu 30/46:11 p.m.
YYZ
-
GRB
1 stop3h 27m
Delta
Sat 2/54:22 p.m.
GRB
-
YYZ
2 stops15h 48m
Delta
Deal found 23/3C$ 771
Thu 9/46:14 p.m.
YYZ
-
GRB
2 stops17h 13m
Delta
Sun 28/66:15 a.m.
GRB
-
YYZ
1 stop4h 20m
Delta
Deal found 25/3C$ 781
Fri 1/59:00 p.m.
YYZ
-
GRB
1 stop4h 07m
United Airlines
Sat 2/56:30 a.m.
GRB
-
YYZ
1 stop9h 26m
United Airlines
Deal found 25/3C$ 816
Thu 9/47:00 a.m.
YYZ
-
GRB
1 stop5h 59m
United Airlines
Sun 28/63:44 p.m.
GRB
-
YYZ
1 stop4h 00m
United Airlines
Deal found 25/3C$ 827
Sun 13/911:00 a.m.
YYZ
-
GRB
1 stop6h 56m
United Airlines
Thu 17/95:00 a.m.
GRB
-
YYZ
1 stop3h 54m
United Airlines
Deal found 25/3C$ 837

Find 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 26 March 2026.

Round-trip from

C$ 702

One-way from

C$ 450
Delta
  • Delta
  • 22/4-29/4
  • 4 total stops
  • 29h 21m total
  • Ontario to Green Bay
Search Deals
United Airlines
  • United Airlines
  • 9/5
  • 1 total stop
  • 11h 31m total
  • Ontario to Green Bay
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Green Bay 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, Cheapflights users made 629,999 searches. Data last updated 26 March 2026.
Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 22/4

7:55 a.m.-11:01 p.m.

2 stops16h 06m

Green Bay Austin-Straubel

Wed 29/4

7:00 a.m.-9:15 p.m.

2 stops13h 15m

C$ 702

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 22/4

3:13 p.m.-9:58 p.m.

1 stop7h 45m

Green Bay Austin-Straubel

Wed 29/4

5:40 a.m.-2:33 p.m.

1 stop7h 53m

C$ 760

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 15/4

6:15 a.m.-9:58 p.m.

1 stop16h 43m

Green Bay Austin-Straubel

Wed 22/4

5:40 a.m.-5:43 p.m.

1 stop11h 03m

C$ 765

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 30/4

6:11 p.m.-8:38 p.m.

1 stop3h 27m

Green Bay Austin-Straubel

Sat 2/5

4:22 p.m.-9:10 a.m.

2 stops15h 48m

C$ 771

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 1/5

6:30 a.m.-11:18 a.m.

1 stop5h 48m

Green Bay Austin-Straubel

Sat 2/5

4:22 p.m.-9:10 a.m.

2 stops15h 48m

C$ 779

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 9/4

6:14 p.m.-10:27 a.m.

2 stops17h 13m

Green Bay Austin-Straubel

Sun 28/6

6:15 a.m.-11:35 a.m.

1 stop4h 20m

C$ 781
Quickest round-trip

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 1/5

9:00 p.m.-12:07 a.m.

1 stop4h 07m

Green Bay Austin-Straubel

Sat 2/5

6:30 a.m.-4:56 p.m.

1 stop9h 26m

C$ 816
Cheapest one-way
Quickest one-way

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 9/5

7:30 a.m.-4:50 p.m.

2 stops10h 20m

C$ 450

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

Sorted 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.
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

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?

    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?

    Delta and American Airlines can get you from Region of Ontario to Green Bay in just under 7h 45m. Your travel time can differ by up to 8h 21m. 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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Alternative routes for Ontario to Green Bay

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How does Cheapflights help users find flights from Ontario to Green Bay?

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Yes, we can. To see specific flights from Ontario to Green Bay with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes! Start tracking prices for Ontario to Green Bay flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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