What is the cheapest airline that flies from Green Bay Austin-Straubel to Ontario?

United Airlines and WestJet are the most popular carriers operating from Green Bay Austin-Straubel to Ontario

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.

C$ 457 Cheap Flights from Green Bay to Ontario in 2026/27

Find the cheapest flights from Green Bay to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:04 p.m. - 3:27 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

18h 23m2 stops Chicago O'Hare Intl Philadelphia

7:26 a.m. - 12:12 a.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

17h 46m2 stops Charlotte Douglas Chicago O'Hare Intl

C$ 968American Airlines

Fri, 9 Oct - Wed, 14 Oct

5:00 a.m. - 9:17 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

15h 17m1 stop Chicago O'Hare Intl

6:00 a.m. - 12:47 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

7h 47m1 stop Chicago O'Hare Intl

C$ 975United Airlines

Tue, 5 Jan - Sat, 9 Jan

8:04 p.m. - 11:44 a.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

14h 40m1 stop Chicago O'Hare Intl

10:32 a.m. - 12:12 a.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

14h 40m2 stops New York LaGuardia Chicago O'Hare Intl

C$ 980American Airlines

Tue, 20 Oct - Tue, 27 Oct

6:15 a.m. - 4:47 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

9h 32m1 stop Chicago O'Hare Intl

2:35 p.m. - 10:38 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

9h 03m1 stop Chicago O'Hare Intl

C$ 982United Airlines

Thu, 5 Nov - Thu, 12 Nov

8:00 a.m. - 2:03 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

5h 03m1 stop Chicago O'Hare Intl

3:35 p.m. - 9:13 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

6h 38m1 stop Chicago O'Hare Intl

C$ 986United Airlines

Sat, 9 Jan - Wed, 13 Jan

5:00 a.m. - 2:00 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

8h 00m1 stop Chicago O'Hare Intl

2:20 p.m. - 9:13 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

7h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

C$ 987United Airlines

Tue, 5 Jan - Sat, 9 Jan

5:00 a.m. - 2:00 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

8h 00m1 stop Chicago O'Hare Intl

2:20 p.m. - 9:13 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

7h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

C$ 989United Airlines

Tue, 5 Jan - Sat, 9 Jan

5:00 a.m. - 10:40 a.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

4h 40m1 stop Chicago O'Hare Intl

9:45 a.m. - 3:07 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

6h 22m1 stop Chicago O'Hare Intl

C$ 990United Airlines

Thu, 8 Oct - Wed, 14 Oct

10:33 a.m. - 5:30 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

5h 57m1 stop Chicago O'Hare Intl

4:55 p.m. - 11:19 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

7h 24m1 stop Chicago O'Hare Intl

C$ 991United Airlines

Sat, 10 Oct - Thu, 15 Oct

6:15 a.m. - 3:02 p.m.GRB Green Bay Austin-Straubel-YUL Montreal Pierre Elliott Trudeau Intl

7h 47m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

7:00 a.m. - 4:56 p.m.YUL Montreal Pierre Elliott Trudeau Intl-GRB Green Bay Austin-Straubel

10h 56m2 stops Newark Chicago O'Hare Intl

C$ 996United Airlines

Tue, 5 Jan - Sat, 9 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:02 p.m. - 11:13 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

10h 11m1 stop Minneapolis St Paul

2:24 p.m. - 8:32 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

7h 08m1 stop Detroit Metropolitan Wayne County

C$ 1,177WestJet

Sat, 26 Sep - Mon, 28 Sep

12:02 p.m. - 11:13 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

10h 11m1 stop Minneapolis St Paul

6:00 a.m. - 10:22 a.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

5h 22m1 stop Detroit Metropolitan Wayne County

C$ 1,268WestJet

Sat, 26 Sep - Tue, 29 Sep

11:02 a.m. - 3:15 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

3h 13m1 stop Detroit Metropolitan Wayne County

2:24 p.m. - 5:20 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

3h 56m1 stop Detroit Metropolitan Wayne County

C$ 1,319WestJet

Tue, 22 Sep - Fri, 25 Sep

6:20 a.m. - 6:28 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

11h 08m2 stops Chicago O'Hare Intl Newark

11:00 a.m. - 3:07 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

5h 07m1 stop Chicago O'Hare Intl

C$ 1,327United Airlines

Sat, 26 Sep - Tue, 29 Sep

6:20 a.m. - 6:28 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

11h 08m2 stops Chicago O'Hare Intl Newark

2:30 p.m. - 11:19 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

9h 49m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

C$ 1,334United Airlines

Sat, 26 Sep - Tue, 29 Sep

5:43 a.m. - 6:45 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

12h 02m2 stops Chicago O'Hare Intl New York LaGuardia

7:15 p.m. - 12:13 a.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

5h 58m1 stop Chicago O'Hare Intl

C$ 1,394American Airlines

Sat, 26 Sep - Mon, 28 Sep

5:43 a.m. - 10:59 a.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

4h 16m1 stop Chicago O'Hare Intl

3:20 p.m. - 12:13 a.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

9h 53m2 stops New York LaGuardia Chicago O'Hare Intl

C$ 1,394American Airlines

Tue, 22 Sep - Fri, 25 Sep

5:43 a.m. - 5:00 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

10h 17m2 stops Chicago O'Hare Intl Charlotte Douglas

7:27 a.m. - 3:46 p.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

9h 19m2 stops New York LaGuardia Chicago O'Hare Intl

C$ 1,401American Airlines

Sat, 26 Sep - Mon, 28 Sep

5:43 a.m. - 4:45 p.m.GRB Green Bay Austin-Straubel-YYZ Toronto Pearson Intl

10h 02m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

5:27 p.m. - 12:13 a.m.YYZ Toronto Pearson Intl-GRB Green Bay Austin-Straubel

7h 46m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

C$ 1,401American Airlines

Tue, 22 Sep - Fri, 25 Sep

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WestJet flights from Green Bay to Region of Ontario

Our best WestJet deals on Green Bay to Region of Ontario flight tickets

WestJet

23 Oct

GRB4:51 p.m.Green Bay Austin-Straubel

5h 24m

1 stop

YYZ11:15 p.m.Toronto Pearson Intl

29 Oct

YYZ6:10 p.m.Toronto Pearson Intl

24h 11m

1 stop

GRB5:21 p.m.Green Bay Austin-Straubel

C$ 1,035

WestJet

9 Oct

GRB6:02 p.m.Green Bay Austin-Straubel

21h 13m

1 stop

YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl

13 Oct

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

15h 58m

2 stops

GRB9:43 p.m.Green Bay Austin-Straubel

C$ 1,089

WestJet

26 Sep

GRB12:02 p.m.Green Bay Austin-Straubel

10h 11m

1 stop

YYZ11:13 p.m.Toronto Pearson Intl

28 Sep

YYZ2:24 p.m.Toronto Pearson Intl

7h 08m

1 stop

GRB8:32 p.m.Green Bay Austin-Straubel

C$ 1,177

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

5 Jan

GRB5:00 a.m.Green Bay Austin-Straubel

15h 17m

1 stop

YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl

9 Jan

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

7h 47m

1 stop

GRB12:47 p.m.Green Bay Austin-Straubel

C$ 975

United Airlines

9 Jan

GRB8:00 a.m.Green Bay Austin-Straubel

5h 03m

1 stop

YYZ2:03 p.m.Toronto Pearson Intl

13 Jan

YYZ3:35 p.m.Toronto Pearson Intl

6h 38m

1 stop

GRB9:13 p.m.Green Bay Austin-Straubel

C$ 986

United Airlines

5 Jan

GRB5:00 a.m.Green Bay Austin-Straubel

8h 00m

1 stop

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

9 Jan

YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl

7h 53m

2 stops

GRB9:13 p.m.Green Bay Austin-Straubel

C$ 987

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Fri 9/10

8:04 p.m.-3:27 p.m.

2 stops18h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

7:26 a.m.-12:12 a.m.

2 stops17h 46m

C$ 968

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Tue 5/1

5:00 a.m.-9:17 p.m.

1 stop15h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 9/1

6:00 a.m.-12:47 p.m.

1 stop7h 47m

C$ 975

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Tue 20/10

8:04 p.m.-11:44 a.m.

1 stop14h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

10:32 a.m.-12:12 a.m.

2 stops14h 40m

C$ 980

Green BayToronto

GRB Green Bay Austin-Straubel - YYZ Toronto Pearson Intl

GRBYYZ

Green Bay Austin-Straubel

Thu 5/11

6:15 a.m.-4:47 p.m.

1 stop9h 32m

Toronto Pearson Intl

Thu 12/11

2:35 p.m.-10:38 p.m.

1 stop9h 03m

C$ 982

Green BayToronto

GRB Green Bay Austin-Straubel - YYZ Toronto Pearson Intl

GRBYYZ

Green Bay Austin-Straubel

Sat 9/1

8:00 a.m.-2:03 p.m.

1 stop5h 03m

Toronto Pearson Intl

Wed 13/1

3:35 p.m.-9:13 p.m.

1 stop6h 38m

C$ 986

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Tue 5/1

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

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 9/1

2:20 p.m.-9:13 p.m.

2 stops7h 53m

C$ 987

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Tue 5/1

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

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 9/1

2:20 p.m.-9:13 p.m.

2 stops7h 53m

C$ 989

Quickest round-trip

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Thu 8/10

5:00 a.m.-10:40 a.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

9:45 a.m.-3:07 p.m.

1 stop6h 22m

C$ 990

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Sat 10/10

10:33 a.m.-5:30 p.m.

1 stop5h 57m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

4:55 p.m.-11:19 p.m.

1 stop7h 24m

C$ 991

Green BayMontreal

GRB Green Bay Austin-Straubel - YUL Montreal Pierre Elliott Trudeau Intl

GRBYUL

Green Bay Austin-Straubel

Tue 5/1

6:15 a.m.-3:02 p.m.

2 stops7h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 9/1

7:00 a.m.-4:56 p.m.

2 stops10h 56m

C$ 996

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

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

You could potentially save up to 19% 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

Best price found	C$ 457
Fastest flight time	3h 18m
Direct flights	None

The best one-way flight to Region of Ontario from Green Bay in the past 72 hours is C$ 457. The best round-trip flight deal from Green Bay to Region of Ontario found on momondo in the last 72 hours is C$ 968.

The fastest flight from Green Bay to Region of Ontario takes 3h 18m

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

Frequently asked questions about flying from Green Bay to Ontario

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.