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Cheap flights from Green Bay to Ontario from C$ 454

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Ontario departing on 19/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Green Bay to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:32 p.m. - 4:03 p.m.
GRB
-
YYZ
20h 31m
1 stop
American Airlines Logo
4:44 p.m. - 9:30 a.m.
YYZ
-
GRB
17h 46m
1 stop
C$ 555American Airlines
Sat, 28 Feb - Thu, 5 Mar
American Airlines Logo
6:32 p.m. - 12:30 p.m.
GRB
-
YYZ
16h 58m
1 stop
American Airlines Logo
1:55 p.m. - 11:32 p.m.
YYZ
-
GRB
10h 37m
2 stops
C$ 701American Airlines
Sat, 28 Feb - Thu, 5 Mar
United Airlines Logo
2:54 p.m. - 11:19 p.m.
GRB
-
YYZ
7h 25m
1 stop
United Airlines Logo
12:05 p.m. - 9:42 p.m.
YYZ
-
GRB
10h 37m
1 stop
C$ 726United Airlines
Thu, 26 Mar - Sun, 29 Mar
United Airlines Logo
2:54 p.m. - 11:19 p.m.
GRB
-
YYZ
7h 25m
1 stop
United Airlines Logo
8:50 a.m. - 9:42 p.m.
YYZ
-
GRB
13h 52m
1 stop
C$ 746United Airlines
Thu, 26 Mar - Sun, 29 Mar
American Airlines Logo
5:00 a.m. - 10:44 p.m.
GRB
-
YUL
16h 44m
2 stops
American Airlines Logo
3:45 p.m. - 9:26 a.m.
YUL
-
GRB
18h 41m
1 stop
C$ 759American Airlines
Thu, 12 Mar - Thu, 19 Mar
American Airlines Logo
2:59 p.m. - 11:04 a.m.
GRB
-
YYZ
19h 05m
1 stop
American Airlines Logo
1:15 p.m. - 11:38 p.m.
YYZ
-
GRB
11h 23m
1 stop
C$ 790American Airlines
Fri, 22 May - Tue, 26 May
Delta Logo
5:17 p.m. - 11:13 p.m.
GRB
-
YUL
4h 56m
1 stop
Delta Logo
12:50 p.m. - 8:36 p.m.
YUL
-
GRB
8h 46m
1 stop
C$ 873Delta
Thu, 12 Mar - Thu, 19 Mar
United Airlines Logo
5:24 p.m. - 9:58 a.m.
GRB
-
YYZ
15h 34m
1 stop
United Airlines Logo
6:50 a.m. - 7:03 p.m.
YYZ
-
GRB
13h 13m
1 stop
C$ 878United Airlines
Sat, 7 Feb - Tue, 10 Feb
Delta Logo
4:19 p.m. - 11:40 p.m.
GRB
-
YUL
6h 21m
1 stop
Delta Logo
4:45 p.m. - 8:36 p.m.
YUL
-
GRB
4h 51m
1 stop
C$ 904Delta
Tue, 17 Mar - Thu, 19 Mar
Delta Logo
5:17 p.m. - 11:13 p.m.
GRB
-
YUL
4h 56m
1 stop
Delta Logo
12:50 p.m. - 8:36 p.m.
YUL
-
GRB
8h 46m
1 stop
C$ 923Delta
Fri, 13 Mar - Fri, 20 Mar

American Airlines flights from Green Bay to Region of Ontario

Our best American Airlines deals on Green Bay to Region of Ontario flight tickets
American Airlines
28 Feb
GRB6:32 p.m.Green Bay Austin-Straubel
20h 31m
1 stop
YYZ4:03 p.m.Toronto Pearson Intl
5 Mar
YYZ4:44 p.m.Toronto Pearson Intl
17h 46m
1 stop
GRB9:30 a.m.Green Bay Austin-Straubel
C$ 555
American Airlines
28 Feb
GRB6:32 p.m.Green Bay Austin-Straubel
16h 58m
1 stop
YYZ12:30 p.m.Toronto Pearson Intl
5 Mar
YYZ1:55 p.m.Toronto Pearson Intl
10h 37m
2 stops
GRB11:32 p.m.Green Bay Austin-Straubel
C$ 701
American Airlines
12 Mar
GRB5:00 a.m.Green Bay Austin-Straubel
16h 44m
2 stops
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
19 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
18h 41m
1 stop
GRB9:26 a.m.Green Bay Austin-Straubel
C$ 759

United Airlines flights from Green Bay to Region of Ontario

Our best United Airlines deals on Green Bay to Region of Ontario flight tickets
United Airlines
26 Mar
GRB2:54 p.m.Green Bay Austin-Straubel
7h 25m
1 stop
YYZ11:19 p.m.Toronto Pearson Intl
29 Mar
YYZ12:05 p.m.Toronto Pearson Intl
10h 37m
1 stop
GRB9:42 p.m.Green Bay Austin-Straubel
C$ 726
United Airlines
26 Mar
GRB2:54 p.m.Green Bay Austin-Straubel
7h 25m
1 stop
YYZ11:19 p.m.Toronto Pearson Intl
29 Mar
YYZ8:50 a.m.Toronto Pearson Intl
13h 52m
1 stop
GRB9:42 p.m.Green Bay Austin-Straubel
C$ 746
United Airlines
7 Feb
GRB5:24 p.m.Green Bay Austin-Straubel
15h 34m
1 stop
YYZ9:58 a.m.Toronto Pearson Intl
10 Feb
YYZ6:50 a.m.Toronto Pearson Intl
13h 13m
1 stop
GRB7:03 p.m.Green Bay Austin-Straubel
C$ 878

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Region of 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, momondo users made 96,600 searches. Data last updated 28 January 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

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 28/2

6:32 p.m.-4:03 p.m.

1 stop20h 31m

Toronto Pearson Intl

Thu 5/3

4:44 p.m.-9:30 a.m.

1 stop17h 46m

C$ 555

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 28/2

6:32 p.m.-12:30 p.m.

1 stop16h 58m

Toronto Pearson Intl

Thu 5/3

1:55 p.m.-11:32 p.m.

2 stops10h 37m

C$ 701

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 26/3

2:54 p.m.-11:19 p.m.

1 stop7h 25m

Toronto Pearson Intl

Sun 29/3

12:05 p.m.-9:42 p.m.

1 stop10h 37m

C$ 726

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 26/3

2:54 p.m.-11:19 p.m.

1 stop7h 25m

Toronto Pearson Intl

Sun 29/3

8:50 a.m.-9:42 p.m.

1 stop13h 52m

C$ 746

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Thu 12/3

5:00 a.m.-10:44 p.m.

2 stops16h 44m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

3:45 p.m.-9:26 a.m.

1 stop18h 41m

C$ 759

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 22/5

2:59 p.m.-11:04 a.m.

1 stop19h 05m

Toronto Pearson Intl

Tue 26/5

1:15 p.m.-11:38 p.m.

1 stop11h 23m

C$ 790

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Thu 12/3

5:17 p.m.-11:13 p.m.

1 stop4h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

12:50 p.m.-8:36 p.m.

1 stop8h 46m

C$ 873

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 7/2

5:24 p.m.-9:58 a.m.

1 stop15h 34m

Toronto Pearson Intl

Tue 10/2

6:50 a.m.-7:03 p.m.

1 stop13h 13m

C$ 878

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Tue 17/3

4:19 p.m.-11:40 p.m.

1 stop6h 21m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

4:45 p.m.-8:36 p.m.

1 stop4h 51m

C$ 904

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 13/3

5:17 p.m.-11:13 p.m.

1 stop4h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

12:50 p.m.-8:36 p.m.

1 stop8h 46m

C$ 923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Green Bay to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Green Bay to Region of Ontario flights?

You could potentially save up to 31% on your flight if you consider stops on a Green Bay to Region of Ontario flight.

Cheap Green Bay to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Region of Ontario

Fastest flight time

5h 56m

Direct flights

None
The fastest flight from Green Bay to Region of Ontario takes 5h 56m
There are no direct flights from Green Bay to Region of Ontario. There are no popular flight routes from Green Bay to Region of Ontario.
Search flight deals

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Ontario?

    Prices for flights from Green Bay Austin-Straubel Airport to Ontario are updated daily.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Ontario for you.

Can I find flights from Green Bay to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Green Bay on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Green Bay to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Green Bay to Ontario.

I’m not ready to book a flight from Green Bay to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Green Bay. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Ontario

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