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Green Bay

$371+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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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 April 2, 2025.

Round-trip from

$371
(Delta)

Popular in

December

Cheapest in

January

Average price

$581
From Ontario to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 2, 2025.

This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2910:20 amYYZ - GRB
2 stops11h 11mDelta
Tue 5/65:49 pmGRB - YYZ
2 stops14h 41mDelta
Deal found 4/1$371
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 4/295:30 pmYYZ - GRB
1 stop4h 22mUnited Airlines
Tue 5/68:33 amGRB - YYZ
1 stop6h 13mUnited Airlines
Deal found 4/1$406
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/243:14 pmYYZ - GRB
1 stop3h 56mAmerican Airlines
Sun 4/278:28 amGRB - YYZ
1 stop13h 32mAmerican Airlines
Deal found 3/31$415
This WestJet deal was found by Cheapflights users on 4/1. 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.
Fri 5/1612:30 pmYYZ - GRB
1 stop23h 56mWestJet
Fri 5/237:00 amGRB - YYZ
1 stop24h 58mWestJet
Deal found 4/1$466

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 April 2, 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

Tue 4/29

10:20 am-8:31 pm

2 stops11h 11m

Green Bay Austin-Straubel

Tue 5/6

5:49 pm-9:30 am

2 stops14h 41m

$371

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Tue 4/29

5:30 pm-8:52 pm

1 stop4h 22m

Green Bay Austin-Straubel

Tue 5/6

8:33 am-3:46 pm

1 stop6h 13m

$406

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 4/24

3:14 pm-6:10 pm

1 stop3h 56m

Green Bay Austin-Straubel

Sun 4/27

8:28 am-11:00 pm

1 stop13h 32m

$415

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 5/16

12:30 pm-11:26 am

1 stop23h 56m

Green Bay Austin-Straubel

Fri 5/23

7:00 am-8:58 am

1 stop24h 58m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

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

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 June is currently the most expensive (average of $495). 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.

Rainfall in Green Bay by month

Plan your trip to Green Bay by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

Temperature in Green Bay by month

Plan your trip to Green Bay by taking into account the average temperature totals by month.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Green Bay. Reviews last updated April 2, 2025.
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,789 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 June is currently the most expensive (average of $495). 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 Ontario?

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

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