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Cheap flights from Green Bay to Ontario from C$ 500

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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Green Bay to Ontario

Enter your travel dates to find the best prices.

Best flights from Green Bay to Ontario
Discover carefully curated flight deals from Green Bay to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 December 2025.

Sat 31/14:53 p.m.GRB - YYZ
1 stop18h 41mAmerican Airlines
Sat 7/27:04 p.m.YYZ - GRB
1 stop16h 46mAmerican Airlines
Deal found 17/12C$ 500
Sat 10/13:42 p.m.GRB - YYZ
1 stop7h 17mUnited Airlines
Wed 14/19:00 a.m.YYZ - GRB
1 stop8h 47mUnited Airlines
Deal found 15/12C$ 760
Tue 13/12:39 p.m.GRB - YYZ
1 stop8h 20mUnited Airlines
Sun 18/19:00 a.m.YYZ - GRB
1 stop8h 47mUnited Airlines
Deal found 17/12C$ 773
Tue 13/16:00 a.m.GRB - YYZ
2 stops14h 44mAmerican Airlines
Sun 18/17:30 a.m.YYZ - GRB
2 stops15h 42mAmerican Airlines
Deal found 17/12C$ 816
Fri 23/15:24 p.m.GRB - YUL
1 stop19h 36mUnited Airlines
Mon 26/14:45 p.m.YUL - GRB
1 stop22h 17mUnited Airlines
Deal found 16/12C$ 861

Find flight deals from Green Bay to Ontario

Keep the following information in mind while searching for Green Bay to Ontario flight deals. Data was last updated 17 December 2025.

Round-trip from

C$ 500
American Airlines
  • American Airlines
  • 31/1-7/2
  • 2 total stops
  • 35h 27m total
  • Green Bay to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Ontario 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 17 December 2025.
Use the filters below to find and compare flights from Green Bay to Ontario that are best for you.

Fly from

Green Bay

Fly to

Ontario

Route

Depart

Return

Price

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 31/1

4:53 p.m.-12:34 p.m.

1 stop18h 41m

Toronto Pearson Intl

Sat 7/2

7:04 p.m.-10:50 a.m.

1 stop16h 46m

C$ 500

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 10/1

3:42 p.m.-11:59 p.m.

1 stop7h 17m

Toronto Pearson Intl

Wed 14/1

9:00 a.m.-4:47 p.m.

1 stop8h 47m

C$ 760

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 13/1

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

1 stop8h 20m

Toronto Pearson Intl

Sun 18/1

9:00 a.m.-4:47 p.m.

1 stop8h 47m

C$ 773

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 13/1

6:00 a.m.-9:44 p.m.

2 stops14h 44m

Toronto Pearson Intl

Sun 18/1

7:30 a.m.-10:12 p.m.

2 stops15h 42m

C$ 816

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 23/1

5:24 p.m.-2:00 p.m.

1 stop19h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

4:45 p.m.-2:02 p.m.

1 stop22h 17m

C$ 861

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Best time to book a flight from Green Bay to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Green Bay 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 Green Bay to Ontario
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 Green Bay to Ontario. 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 from for flights from Green Bay to Ontario?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to Ontario. Green Bay Austin-Straubel is conveniently located just 9.5 km from Green Bay’s city centre.

  • How long is the flight from Green Bay to Region of Ontario?

    Departing from Green Bay to Region of Ontario will take you 7h 17m. The distance from Green Bay to Region of Ontario is about 686 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Green Bay to Ontario that include hotel bookings?

    Yes. In addition to deals on Green Bay to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Ontario.

  • Can I find deals for business class flights from Green Bay to Ontario?

    Yes. Cheapflights offers flight deals from Green Bay to Ontario 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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How does Cheapflights help users find flights from Green Bay to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Green Bay to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Ontario from Green Bay by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Green Bay shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Green Bay to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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