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Cheap flights from Ontario to Green Bay from C$ 449

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
21 Jun — 28 Jun1
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 22 May 2026.

Sat 4/73:14 p.m.
YYZ
-
GRB
1 stop9h 58m
American Airlines
Sat 11/76:08 a.m.
GRB
-
YYZ
1 stop16h 21m
American Airlines
Deal found 20/5C$ 777
Thu 24/92:15 p.m.
YYZ
-
GRB
1 stop3h 18m
Delta
Sat 26/911:53 a.m.
GRB
-
YYZ
2 stops20h 36m
Delta
Deal found 19/5C$ 800
Fri 11/126:00 a.m.
YYZ
-
GRB
1 stop15h 29m
American Airlines
Mon 14/128:02 p.m.
GRB
-
YYZ
1 stop15h 28m
American Airlines
Deal found 20/5C$ 807
Thu 15/106:35 p.m.
YYZ
-
GRB
1 stop15h 29m
American Airlines
Mon 19/108:10 p.m.
GRB
-
YYZ
1 stop15h 20m
American Airlines
Deal found 18/5C$ 876
Thu 24/95:27 p.m.
YYZ
-
GRB
1 stop6h 52m
United Airlines
Sat 26/93:44 p.m.
GRB
-
YYZ
1 stop4h 00m
United Airlines
Deal found 19/5C$ 879
Sun 13/125:10 p.m.
YYZ
-
GRB
1 stop5h 22m
Delta
Sun 27/127:00 a.m.
GRB
-
YYZ
1 stop3h 29m
Delta
Deal found 21/5C$ 898
Wed 23/96:20 a.m.
YYZ
-
GRB
1 stop3h 44m
American Airlines
Fri 25/96:14 a.m.
GRB
-
YYZ
1 stop10h 11m
American Airlines
Deal found 20/5C$ 906
Sat 30/57:20 a.m.
YYZ
-
GRB
1 stop8h 05m
American Airlines
Sun 31/52:55 p.m.
GRB
-
YYZ
1 stop7h 29m
American Airlines
Deal found 20/5C$ 968
Thu 15/1012:45 p.m.
YYZ
-
GRB
2 stops7h 20m
United Airlines
Mon 19/105:00 a.m.
GRB
-
YYZ
1 stop11h 01m
United Airlines
Deal found 18/5C$ 978

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 22 May 2026.

Round-trip from

C$ 777

One-way from

C$ 449
American Airlines
  • American Airlines
  • 4/7-11/7
  • 2 total stops
  • 26h 19m total
  • Ontario to Green Bay
Search Deals
American Airlines
  • American Airlines
  • 2/7
  • 1 total stop
  • 17h 55m 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 22 May 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

Thu 24/9

2:15 p.m.-4:33 p.m.

1 stop3h 18m

Green Bay Austin-Straubel

Sat 26/9

11:53 a.m.-9:29 a.m.

2 stops20h 36m

C$ 800

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 4/7

11:39 a.m.-12:12 a.m.

1 stop13h 33m

Green Bay Austin-Straubel

Sat 11/7

11:16 a.m.-10:31 p.m.

2 stops10h 15m

C$ 812
Quickest round-trip

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 23/9

6:20 a.m.-9:04 a.m.

1 stop3h 44m

Green Bay Austin-Straubel

Fri 25/9

6:14 a.m.-5:25 p.m.

1 stop10h 11m

C$ 906

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 15/10

12:45 p.m.-7:05 p.m.

2 stops7h 20m

Green Bay Austin-Straubel

Mon 19/10

5:00 a.m.-5:01 p.m.

1 stop11h 01m

C$ 978

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 24/9

8:10 a.m.-4:43 p.m.

2 stops9h 33m

Green Bay Austin-Straubel

Sat 26/9

3:44 p.m.-11:54 p.m.

2 stops7h 10m

C$ 1,147

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 9/10

8:50 a.m.-4:43 p.m.

1 stop8h 53m

Green Bay Austin-Straubel

Mon 12/10

3:44 p.m.-9:54 a.m.

1 stop17h 10m

C$ 1,384

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 4/7

3:20 p.m.-9:49 p.m.

2 stops31h 29m

Green Bay Austin-Straubel

Sat 11/7

6:03 p.m.-7:15 p.m.

2 stops24h 12m

C$ 1,578
Cheapest one-way

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 2/7

7:17 a.m.-12:12 a.m.

1 stop17h 55m

C$ 449

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 4/6

1:15 p.m.-12:43 a.m.

1 stop12h 28m

C$ 478
Quickest one-way

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 4/6

12:45 p.m.-7:11 p.m.

2 stops7h 26m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/5

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, American Airlines, and United Airlines can get you from Region of Ontario to Green Bay in just under 3h 18m. Your travel time can differ by up to 10h 15m. 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

See prices for flight routes from nearby airports that may be better suited for you.
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