HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$288+ Cheap flights from Green Bay (GRB) to Ontario

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Green Bay to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Green Bay to Ontario

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 November 20, 2024.

This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:50 pmGRB - YYZ
1 stop3h 46mDelta
Thu 12/126:30 amYYZ - GRB
1 stop6h 05mDelta
Deal found 11/20$464
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:30 amGRB - YYZ
1 stop6h 12mUnited Airlines
Tue 12/319:00 amYYZ - GRB
1 stop7h 11mUnited Airlines
Deal found 11/19$473
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/196:00 amGRB - YYZ
2 stops15h 35mAmerican Airlines
Tue 12/311:10 pmYYZ - GRB
1 stop9h 42mAmerican Airlines
Deal found 11/19$482
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2112:05 pmGRB - YOW
2 stops16h 28mWestJet
Sun 11/245:55 amYOW - GRB
2 stops29h 34mWestJet
Deal found 11/19$1,828
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/215:22 pmGRB - YOW
1 stop27h 02mUnited Airlines
Sat 11/306:20 amYOW - GRB
1 stop10h 00mUnited Airlines
Deal found 11/19$2,230
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/214:12 pmGRB - YYZ
2 stops46h 42mWestJet
Mon 11/2511:15 pmYYZ - GRB
2 stops22h 24mWestJet
Deal found 11/20$2,637

Find flights from Green Bay to Ontario within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 12/6

5:50 pm-10:36 pm

1 stop3h 46m

Toronto Pearson Intl

Thu 12/12

6:30 am-11:35 am

1 stop6h 05m

$464

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Mon 12/23

6:30 am-1:42 pm

1 stop6h 12m

Toronto Pearson Intl

Mon 12/30

12:20 pm-7:00 pm

1 stop7h 40m

$473

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 12/19

6:00 am-10:35 pm

2 stops15h 35m

Toronto Pearson Intl

Tue 12/31

1:10 pm-9:52 pm

1 stop9h 42m

$482

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 1/25

4:17 pm-11:36 pm

1 stop6h 19m

Montreal Pierre Elliott Trudeau Intl

Thu 1/30

12:48 pm-4:30 pm

1 stop4h 42m

$482

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Fri 1/31

6:30 am-3:58 pm

2 stops8h 28m

Montreal Pierre Elliott Trudeau Intl

Tue 2/4

1:10 pm-6:58 pm

1 stop6h 48m

$491

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 2/19

5:12 pm-11:25 pm

1 stop5h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 2/24

6:45 am-8:39 pm

2 stops14h 54m

$568

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Thu 1/16

6:00 am-4:50 pm

3 stops9h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 1/21

10:54 am-9:51 pm

2 stops11h 57m

$739

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 12/24

2:05 pm-10:41 pm

1 stop7h 36m

$288

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 1/3

10:43 am-8:25 pm

2 stops8h 42m

$314

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 1/3

7:00 am-11:22 am

1 stop3h 22m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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.

Travel insights for flights from Green Bay to Ontario

Get recent, data-driven insights about flights from Green Bay to Ontario including ideal travel times, pricing trends, and more.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Delta from Green Bay to Ontario to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.3
Good
2,811 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Located just 5.9 mi from the city center, Green Bay Austin-Straubel (GRB) is the airport most travelers will use when flying to Ontario from Green Bay.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $288. United Airlines flights start at $314 while deals on WestJet start at $393 one-way.

  • What are the most popular routes from Green Bay to Region of Ontario?

    When deciding which route to take from Green Bay to Region of Ontario consider Green Bay Austin-Straubel - Toronto Pearson Intl, Green Bay Austin-Straubel - Montreal Pierre Elliott Trudeau Intl or Green Bay Austin-Straubel - Ottawa as they are the most popular.

  • 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.

  • What is the cheapest month to book a flight from Green Bay to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Region of Ontario (average of $242). Flying from Green Bay to Region of Ontario in July is currently the most expensive (average of $359). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Pearson Intl flights
Minneapolis to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Calgary flights
Minneapolis to Pearson Intl flights
O'Hare Intl to Toronto Island flights
Minneapolis to Calgary flights
O'Hare Intl to Abbotsford flights
Minneapolis to Abbotsford flights
O'Hare Intl to Québec City flights
Minneapolis to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Winnipeg flights
Minneapolis to Winnipeg flights
Minneapolis to Toronto Island flights
Minneapolis to Québec City flights
Milwaukee to Vancouver Intl flights
Minneapolis to Edmonton flights
Minneapolis to Kelowna flights
O'Hare Intl to Ottawa flights
Milwaukee to Pearson Intl flights
O'Hare Intl to Edmonton flights
Madison to Vancouver Intl flights
Milwaukee to Pierre Elliott Trudeau Intl flights
Milwaukee to Calgary flights
Minneapolis to Saskatoon flights
Madison to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Halifax flights
Madison to Pearson Intl flights
O'Hare Intl to London flights
Minneapolis to Halifax flights
O'Hare Intl to Kelowna flights
Madison to Abbotsford flights
O'Hare Intl to Regina flights
O'Hare Intl to St. John's flights
Green Bay to Pearson Intl flights
O'Hare Intl to Victoria flights
Milwaukee to Abbotsford flights
Duluth to Pearson Intl flights
Milwaukee to Québec City flights
O'Hare Intl to Penticton flights
Minneapolis to Ottawa flights
O'Hare Intl to Sydney flights
Madison to Calgary flights
Minneapolis to Charlottetown flights
Appleton to Pierre Elliott Trudeau Intl flights
Appleton to Calgary flights
Milwaukee to Ottawa flights
Madison to Edmonton flights
Minneapolis to Victoria flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines