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Cheap flights from Ontario to Green Bay from C$ 423

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
25 Jan — 1 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Green Bay

Enter your travel dates to find the best prices.

Best flights from Ontario to Green Bay
Discover carefully curated flight deals from Ontario to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 26 December 2025.

Wed 14/16:45 p.m.YYZ - GRB
2 stops16h 50mDelta
Sun 18/17:00 a.m.GRB - YYZ
2 stops14h 51mDelta
Deal found 25/12C$ 611
Sat 7/29:00 a.m.YYZ - GRB
1 stop11h 03mUnited Airlines
Wed 11/210:42 a.m.GRB - YYZ
1 stop11h 37mUnited Airlines
Deal found 23/12C$ 697
Thu 5/212:12 p.m.YYZ - GRB
1 stop5h 27mWestJet
Wed 11/26:15 a.m.GRB - YYZ
1 stop8h 44mWestJet
Deal found 24/12C$ 797
Sat 7/210:15 a.m.YYZ - GRB
2 stops11h 28mDelta
Wed 11/25:12 a.m.GRB - YYZ
2 stops11h 41mDelta
Deal found 23/12C$ 611
Wed 14/111:00 a.m.YYZ - GRB
1 stop9h 03mUnited Airlines
Sun 18/12:39 p.m.GRB - YYZ
1 stop8h 20mUnited Airlines
Deal found 24/12C$ 699

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 December 2025.

Round-trip from

C$ 611

One-way from

C$ 423

Popular in

November

Cheapest in

April

Average price

C$ 760
Delta
  • Delta
  • 7/2-11/2
  • 4 total stops
  • 23h 09m total
  • Ontario to Green Bay
Search Deals
Delta
  • Delta
  • 9/2
  • 1 total stop
  • 5h 35m total
  • Ontario to Green Bay
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 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

Wed 14/1

6:45 p.m.-10:35 a.m.

2 stops16h 50m

Green Bay Austin-Straubel

Sun 18/1

7:00 a.m.-10:51 p.m.

2 stops14h 51m

C$ 611

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 7/2

10:15 a.m.-8:43 p.m.

2 stops11h 28m

Green Bay Austin-Straubel

Wed 11/2

5:12 a.m.-5:53 p.m.

2 stops11h 41m

C$ 611

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 7/2

9:00 a.m.-7:03 p.m.

1 stop11h 03m

Green Bay Austin-Straubel

Wed 11/2

10:42 a.m.-11:19 p.m.

1 stop11h 37m

C$ 697

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 14/1

11:00 a.m.-7:03 p.m.

1 stop9h 03m

Green Bay Austin-Straubel

Sun 18/1

2:39 p.m.-11:59 p.m.

1 stop8h 20m

C$ 699

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 5/2

12:12 p.m.-4:39 p.m.

1 stop5h 27m

Green Bay Austin-Straubel

Wed 11/2

6:15 a.m.-3:59 p.m.

1 stop8h 44m

C$ 797

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 9/2

6:00 a.m.-10:35 a.m.

1 stop5h 35m

C$ 423

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 9/2

9:30 a.m.-7:03 p.m.

2 stops10h 33m

C$ 428

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/12

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?

    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 United Airlines can get you from Region of Ontario to Green Bay in just under 11h 03m. Your travel time can differ by up to 5h 47m. 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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Top airline flying from Ontario to Green Bay

Discover the top airline that operate flights from Ontario to Green Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 474AverageC$ 848FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ontario to Green Bay flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Green Bay?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Green Bay for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Green Bay with no change fees?

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.

Can Cheapflights notify me if prices for flights from Ontario to Green Bay become cheaper?

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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