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Cheap flights from Ontario to Green Bay from C$ 401

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 750

One-way from

C$ 401

Popular in

October

Cheapest in

April

Average price

C$ 774
American Airlines
  • American Airlines
  • 3/10-5/10
  • 2 total stops
  • 29h 49m total
  • Ontario to Green Bay
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American Airlines
  • American Airlines
  • 6/12
  • 1 total stop
  • 7h 46m total
  • Ontario to Green Bay
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 15 September 2025.

Fri 3/106:29 p.m.YYZ - GRB
1 stop17h 12mAmerican Airlines
Sun 5/109:48 a.m.GRB - YYZ
1 stop12h 37mAmerican Airlines
Deal found 14/9C$ 750
Sat 6/1211:36 a.m.YYZ - GRB
1 stop8h 54mAmerican Airlines
Sun 7/126:00 a.m.GRB - YYZ
1 stop10h 44mAmerican Airlines
Deal found 13/9C$ 768
Sat 1/113:10 p.m.YYZ - GRB
1 stop20h 05mAmerican Airlines
Mon 3/117:52 p.m.GRB - YYZ
1 stop15h 40mAmerican Airlines
Deal found 14/9C$ 775
Sun 5/1010:12 a.m.YYZ - GRB
1 stop11h 22mWestJet
Mon 6/105:20 p.m.GRB - YYZ
1 stop20h 25mWestJet
Deal found 13/9C$ 782
Sun 5/107:30 a.m.YYZ - GRB
2 stops8h 39mUnited Airlines
Mon 6/108:15 a.m.GRB - YYZ
2 stops7h 59mUnited Airlines
Deal found 13/9C$ 829
Fri 3/107:30 a.m.YYZ - GRB
2 stops7h 34mUnited Airlines
Sun 5/106:15 a.m.GRB - YYZ
2 stops7h 04mUnited Airlines
Deal found 14/9C$ 840
Sat 6/122:45 p.m.YYZ - GRB
2 stops7h 47mUnited Airlines
Sun 7/121:35 p.m.GRB - YYZ
1 stop6h 46mUnited Airlines
Deal found 13/9C$ 855
Sat 11/105:15 p.m.YYZ - GRB
1 stop5h 18mUnited Airlines
Mon 13/108:15 a.m.GRB - YYZ
2 stops9h 45mUnited Airlines
Deal found 15/9C$ 892

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 15 September 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

Fri 3/10

6:29 p.m.-10:41 a.m.

1 stop17h 12m

Green Bay Austin-Straubel

Sun 5/10

9:48 a.m.-11:25 p.m.

1 stop12h 37m

C$ 750

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 6/12

11:36 a.m.-7:30 p.m.

1 stop8h 54m

Green Bay Austin-Straubel

Sun 7/12

6:00 a.m.-5:44 p.m.

1 stop10h 44m

C$ 768

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 1/11

3:10 p.m.-10:15 a.m.

1 stop20h 05m

Green Bay Austin-Straubel

Mon 3/11

7:52 p.m.-12:32 p.m.

1 stop15h 40m

C$ 775

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sun 5/10

7:30 a.m.-3:09 p.m.

2 stops8h 39m

Green Bay Austin-Straubel

Mon 6/10

10:40 a.m.-8:44 p.m.

1 stop9h 04m

C$ 829

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 3/10

7:30 a.m.-2:04 p.m.

2 stops7h 34m

Green Bay Austin-Straubel

Sun 5/10

6:15 a.m.-2:19 p.m.

2 stops7h 04m

C$ 840

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 6/12

10:45 a.m.-9:32 p.m.

2 stops11h 47m

Green Bay Austin-Straubel

Sun 7/12

1:35 p.m.-7:45 p.m.

1 stop5h 10m

C$ 855

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 6/12

4:44 p.m.-11:30 p.m.

1 stop7h 46m

C$ 401

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 30/10

3:30 p.m.-7:47 p.m.

1 stop5h 17m

C$ 417

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 6/12

7:40 p.m.-3:12 p.m.

2 stops20h 32m

C$ 461

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Thu 30/10

10:50 p.m.-3:36 p.m.

3 stops41h 46m

C$ 1,540

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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 can get you from Region of Ontario to Green Bay in just under 17h 12m. Your travel time can differ by up to . Airlines will cover a distance of 686 km.

  • What are the cheapest airlines to fly from Region of Ontario to Green Bay one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 401. Users have also found prices from C$ 417 and C$ 1,540 on United Airlines and WestJet, respectively.

  • 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 557AverageC$ 913FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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