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Cheap flights from Green Bay to Ontario 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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Green Bay to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Green Bay to Ontario
Explore the most affordable flight options available from Green Bay to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Sat 13/69:48 a.m.
GRB
-
YYZ
1 stop12h 35m
American Airlines
Sat 20/63:13 p.m.
YYZ
-
GRB
1 stop10h 30m
American Airlines
Deal found 18/5C$ 686
Fri 12/66:51 p.m.
GRB
-
YYZ
1 stop18h 42m
American Airlines
Mon 15/66:24 p.m.
YYZ
-
GRB
1 stop19h 05m
American Airlines
Deal found 21/5C$ 774
Mon 15/66:51 p.m.
GRB
-
YYZ
1 stop15h 07m
American Airlines
Sun 21/67:25 a.m.
YYZ
-
GRB
1 stop17h 45m
American Airlines
Deal found 18/5C$ 804
Sat 15/86:54 p.m.
GRB
-
YUL
1 stop21h 00m
American Airlines
Sat 22/87:29 a.m.
YUL
-
GRB
2 stops11h 55m
American Airlines
Deal found 18/5C$ 884
Mon 15/612:59 p.m.
GRB
-
YYZ
1 stop9h 30m
American Airlines
Thu 18/67:25 a.m.
YYZ
-
GRB
1 stop11h 56m
American Airlines
Deal found 22/5C$ 887
Fri 3/76:04 a.m.
GRB
-
YUL
1 stop4h 39m
American Airlines
Thu 9/75:30 p.m.
YUL
-
GRB
1 stop16h 51m
American Airlines
Deal found 19/5C$ 978
Fri 3/712:34 p.m.
GRB
-
YUL
2 stops8h 32m
United Airlines
Thu 9/76:10 a.m.
YUL
-
GRB
1 stop4h 51m
United Airlines
Deal found 19/5C$ 998
Tue 14/76:08 a.m.
GRB
-
YUL
2 stops15h 48m
American Airlines
Sun 19/75:30 p.m.
YUL
-
GRB
1 stop20h 01m
American Airlines
Deal found 19/5C$ 1,012
Wed 3/66:30 a.m.
GRB
-
YUL
1 stop10h 00m
United Airlines
Sat 6/66:10 a.m.
YUL
-
GRB
1 stop6h 49m
United Airlines
Deal found 19/5C$ 1,014
Thu 20/811:45 a.m.
GRB
-
YYZ
2 stops17h 33m
United Airlines
Mon 31/89:00 p.m.
YYZ
-
GRB
1 stop16h 05m
United Airlines
Deal found 18/5C$ 1,029
Fri 10/76:08 a.m.
GRB
-
YUL
1 stop4h 35m
American Airlines
Fri 10/75:30 p.m.
YUL
-
GRB
1 stop7h 42m
American Airlines
Deal found 21/5C$ 1,042
Tue 1/126:30 a.m.
GRB
-
YYZ
1 stop6h 03m
United Airlines
Sat 5/127:00 a.m.
YYZ
-
GRB
1 stop10h 43m
United Airlines
Deal found 17/5C$ 1,093

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 22 May 2026.

Round-trip from

C$ 686

One-way from

C$ 401
American Airlines
  • American Airlines
  • 13/6-20/6
  • 2 total stops
  • 23h 05m total
  • Green Bay to Ontario
Search Deals
American Airlines
  • American Airlines
  • 26/7
  • 1 total stop
  • 9h 20m 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 22 May 2026.
Use the filters below to find and compare flights from Green Bay to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 13/6

9:48 a.m.-11:23 p.m.

1 stop12h 35m

Toronto Pearson Intl

Sat 20/6

3:13 p.m.-12:43 a.m.

1 stop10h 30m

C$ 686

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 12/6

6:51 p.m.-2:33 p.m.

1 stop18h 42m

Toronto Pearson Intl

Mon 15/6

6:24 p.m.-12:29 p.m.

1 stop19h 05m

C$ 774

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Mon 15/6

12:59 p.m.-11:29 p.m.

1 stop9h 30m

Toronto Pearson Intl

Thu 18/6

7:25 a.m.-6:21 p.m.

1 stop11h 56m

C$ 887

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 15/8

3:47 p.m.-12:27 p.m.

2 stops19h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

7:29 a.m.-6:24 p.m.

2 stops11h 55m

C$ 891

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 3/7

6:04 a.m.-11:43 a.m.

1 stop4h 39m

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

5:30 p.m.-9:21 a.m.

1 stop16h 51m

C$ 978

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 3/7

12:34 p.m.-10:06 p.m.

2 stops8h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

6:10 a.m.-10:01 a.m.

1 stop4h 51m

C$ 998

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Tue 14/7

6:08 a.m.-10:56 p.m.

2 stops15h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 19/7

5:30 p.m.-12:31 p.m.

1 stop20h 01m

C$ 1,012

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 3/6

6:30 a.m.-5:30 p.m.

1 stop10h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

6:10 a.m.-11:59 a.m.

1 stop6h 49m

C$ 1,014

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 10/7

6:08 a.m.-11:43 a.m.

1 stop4h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

5:30 p.m.-12:12 a.m.

1 stop7h 42m

C$ 1,042

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 12/6

10:37 a.m.-10:12 p.m.

2 stops10h 35m

Toronto Pearson Intl

Mon 15/6

10:15 a.m.-7:11 p.m.

1 stop9h 56m

C$ 1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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 8h 32m. The distance from Green Bay to Region of Ontario is about 1135 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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Alternative routes for Green Bay to Ontario

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Fly with Cheapflights

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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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