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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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Find 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 23 October 2025.

Sat 6/124:44 p.m.YYZ - GRB
1 stop17h 29mAmerican Airlines
Sat 13/123:06 p.m.GRB - YYZ
1 stop18h 50mAmerican Airlines
Deal found 22/10C$ 472
Fri 5/124:44 p.m.YYZ - GRB
1 stop17h 52mAmerican Airlines
Mon 8/128:02 p.m.GRB - YYZ
1 stop13h 54mAmerican Airlines
Deal found 20/10C$ 556
Sat 22/117:40 p.m.YYZ - GRB
2 stops15h 31mUnited Airlines
Sat 29/111:20 p.m.GRB - YYZ
1 stop9h 39mUnited Airlines
Deal found 23/10C$ 755
Sat 22/116:05 p.m.YYZ - GRB
1 stop3h 34mDelta
Sat 29/114:56 p.m.GRB - YYZ
1 stop5h 09mDelta
Deal found 23/10C$ 780
Fri 7/116:09 p.m.YYZ - GRB
1 stop3h 28mDelta
Mon 10/115:19 a.m.GRB - YYZ
2 stops17h 01mDelta
Deal found 22/10C$ 811
Fri 7/116:09 p.m.YYZ - GRB
1 stop3h 28mWestJet
Mon 10/116:20 a.m.GRB - YYZ
1 stop16h 01mWestJet
Deal found 22/10C$ 812
Fri 26/126:23 p.m.YYZ - GRB
1 stop16h 16mAmerican Airlines
Mon 29/125:21 p.m.GRB - YYZ
1 stop16h 35mAmerican Airlines
Deal found 22/10C$ 834
Sat 6/127:40 p.m.YYZ - GRB
2 stops18h 20mUnited Airlines
Sat 13/121:35 p.m.GRB - YYZ
2 stops8h 45mUnited Airlines
Deal found 22/10C$ 914
Fri 5/129:00 a.m.YYZ - GRB
1 stop5h 00mUnited Airlines
Mon 8/125:21 p.m.GRB - YYZ
2 stops21h 04mUnited Airlines
Deal found 20/10C$ 980
Fri 7/112:15 p.m.YYZ - GRB
2 stops8h 23mUnited Airlines
Mon 10/111:20 p.m.GRB - YYZ
2 stops9h 26mUnited Airlines
Deal found 22/10C$ 988
Fri 26/129:00 p.m.YYZ - GRB
1 stop23h 03mUnited Airlines
Mon 29/123:42 p.m.GRB - YYZ
2 stops14h 49mUnited Airlines
Deal found 22/10C$ 1,000

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 23 October 2025.

Round-trip from

C$ 472

One-way from

C$ 423

Popular in

December

Cheapest in

April

Average price

C$ 861
American Airlines
  • American Airlines
  • 6/12-13/12
  • 2 total stops
  • 36h 19m total
  • Ontario to Green Bay
Search Deals
United Airlines
  • United Airlines
  • 5/12
  • 1 total stop
  • 4h 17m total
  • Ontario to Green Bay
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 23 October 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

Sat 6/12

4:44 p.m.-9:13 a.m.

1 stop17h 29m

Green Bay Austin-Straubel

Sat 13/12

3:06 p.m.-10:56 a.m.

1 stop18h 50m

C$ 472

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 5/12

4:44 p.m.-9:36 a.m.

1 stop17h 52m

Green Bay Austin-Straubel

Mon 8/12

8:02 p.m.-10:56 a.m.

1 stop13h 54m

C$ 556

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 25/3

3:00 p.m.-7:05 p.m.

1 stop5h 05m

Green Bay Austin-Straubel

Thu 26/3

3:44 p.m.-9:28 p.m.

1 stop4h 44m

C$ 746

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 25/3

11:30 a.m.-5:43 p.m.

2 stops7h 13m

Green Bay Austin-Straubel

Thu 26/3

6:39 p.m.-12:20 p.m.

1 stop16h 41m

C$ 748

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 22/11

7:40 p.m.-10:11 a.m.

2 stops15h 31m

Green Bay Austin-Straubel

Sat 29/11

1:20 p.m.-11:59 p.m.

1 stop9h 39m

C$ 755

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 22/11

6:05 p.m.-8:39 p.m.

1 stop3h 34m

Green Bay Austin-Straubel

Sat 29/11

4:56 p.m.-11:05 p.m.

1 stop5h 09m

C$ 780

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 7/11

6:09 p.m.-8:37 p.m.

1 stop3h 28m

Green Bay Austin-Straubel

Mon 10/11

5:19 a.m.-11:20 p.m.

2 stops17h 01m

C$ 811

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 5/12

6:50 a.m.-10:07 a.m.

1 stop4h 17m

C$ 423

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 13/11

6:30 a.m.-11:33 a.m.

1 stop6h 03m

C$ 424

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 13/11

7:30 a.m.-4:46 p.m.

2 stops10h 16m

C$ 424

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 15 results
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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?

    American Airlines and United Airlines can get you from Region of Ontario to Green Bay in just under 5h 05m. Your travel time can differ by up to 12h 24m. 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 23 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 564AverageC$ 672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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