Green Bay

$397+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
ago. 18 — ago. 251
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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 agosto 13, 2025.

Round-trip from

$418
(American Airlines)

One-way from

$354
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$622
From Ontario to Green Bay Austin-Straubel
One-way flight from Ontario to Green Bay Austin-Straubel
Highest demand for flights based on searches. 8% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 agosto 13, 2025.

This American Airlines deal was found by Cheapflights users on 8/11. 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.
jue. 10/23:11 pmYYZ - GRB
1 stop9h 17mAmerican Airlines
mié. 10/88:08 pmGRB - YYZ
1 stop17h 22mAmerican Airlines
Deal found 8/11$418
This United Airlines deal was found by Cheapflights users on 8/10. 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.
dom. 9/212:30 pmYYZ - GRB
2 stops8h 13mUnited Airlines
lun. 9/228:00 amGRB - YYZ
2 stops8h 19mUnited Airlines
Deal found 8/10$550
This United Airlines deal was found by Cheapflights users on 8/10. 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.
vie. 11/212:15 pmYYZ - GRB
1 stop23h 18mUnited Airlines
lun. 11/245:22 pmGRB - YYZ
1 stop21h 40mUnited Airlines
Deal found 8/10$565
This FlightHub deal was found by Cheapflights users on 8/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:21 pmYYZ - GRB
1 stop17h 03mWestJet
lun. 8/255:11 pmGRB - YYZ
1 stop15h 11mWestJet
Deal found 8/10$665
This American Airlines deal was found by Cheapflights users on 8/9. 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.
lun. 8/117:25 pmYYZ - GRB
1 stop14h 47mAmerican Airlines
lun. 8/256:26 pmGRB - YYZ
1 stop15h 33mAmerican Airlines
Deal found 8/9$674
This WestJet deal was found by Cheapflights users on 8/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/227:21 pmYYZ - GRB
1 stop17h 05mWestJet
vie. 8/297:02 amGRB - YYZ
1 stop25h 20mWestJet
Deal found 8/9$680
This United Airlines deal was found by Cheapflights users on 8/9. 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.
lun. 8/1111:00 amYYZ - GRB
1 stop6h 48mUnited Airlines
lun. 8/256:15 amGRB - YYZ
2 stops10h 04mUnited Airlines
Deal found 8/9$718
This United Airlines deal was found by Cheapflights users on 8/9. 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.
vie. 8/221:00 pmYYZ - GRB
1 stop4h 50mUnited Airlines
vie. 8/293:45 pmGRB - YYZ
2 stops14h 49mUnited Airlines
Deal found 8/9$843

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 agosto 13, 2025.
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

jue. 10/2

3:11 pm-11:28 pm

1 stop9h 17m

Green Bay Austin-Straubel

mié. 10/8

8:08 pm-2:30 pm

1 stop17h 22m

$418

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

dom. 9/21

7:00 am-12:44 pm

1 stop6h 44m

Green Bay Austin-Straubel

lun. 9/22

10:40 am-8:44 pm

1 stop9h 04m

$550

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

vie. 11/21

2:15 pm-12:33 pm

1 stop23h 18m

Green Bay Austin-Straubel

lun. 11/24

5:22 pm-3:25 pm

2 stops21h 03m

$565

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

vie. 8/22

7:21 pm-11:26 am

1 stop17h 05m

Green Bay Austin-Straubel

vie. 8/29

7:02 am-9:22 am

1 stop25h 20m

$680

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

vie. 8/22

1:00 pm-4:50 pm

1 stop4h 50m

Green Bay Austin-Straubel

vie. 8/29

3:45 pm-7:34 am

2 stops14h 49m

$843

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

dom. 8/17

11:39 am-11:30 pm

1 stop12h 51m

$397

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

dom. 8/17

12:45 pm-7:18 pm

2 stops7h 33m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to Green Bay?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Green Bay (average of $331). Flying from Region of Ontario to Green Bay in July is currently the most expensive (average of $462). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Green Bay?

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

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