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Green Bay

$392+ Cheap flights from Ontario to Green Bay (GRB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap 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 February 16, 2026.

This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
YYZ
-
GRB
1 stop13h 01m
American Airlines
Fri 4/36:01 am
GRB
-
YYZ
1 stop10h 35m
American Airlines
Deal found 2/15$392
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:00 am
YYZ
-
GRB
1 stop14h 42m
American Airlines
Wed 3/255:00 am
GRB
-
YYZ
1 stop11h 36m
American Airlines
Deal found 2/13$467
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:00 pm
YYZ
-
GRB
1 stop10h 38m
United Airlines
Thu 4/98:00 am
GRB
-
YYZ
1 stop8h 56m
United Airlines
Deal found 2/16$502
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:00 am
YYZ
-
GRB
1 stop14h 42m
American Airlines
Thu 3/196:01 am
GRB
-
YYZ
1 stop10h 35m
American Airlines
Deal found 2/13$507

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 February 16, 2026.

Round-trip from

$392
(American Airlines)
From Ontario to Green Bay Austin-Straubel
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 2,558,603 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Fly from

Ontario

Fly to

Green Bay

Route

Depart

Return

Price

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 3/9

6:17 pm-9:16 am

1 stop15h 59m

Green Bay Austin-Straubel

Wed 3/25

6:38 pm-10:56 am

1 stop15h 18m

$392

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 3/20

6:00 am-6:01 pm

1 stop13h 01m

Green Bay Austin-Straubel

Fri 4/3

6:38 pm-12:30 pm

1 stop16h 52m

$392

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 4/2

1:00 pm-10:38 pm

1 stop10h 38m

Green Bay Austin-Straubel

Thu 4/9

8:00 am-5:56 pm

1 stop8h 56m

$502

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 3/9

6:00 am-7:42 pm

1 stop14h 42m

Green Bay Austin-Straubel

Thu 3/19

6:01 am-5:36 pm

1 stop10h 35m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

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?

    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 can get you from Region of Ontario to Green Bay in just under 15h 59m. Your travel time can differ by up to . Airlines will cover a distance of 426 mi.

  • 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

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Manitowoc

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