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$473+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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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 October 31, 2024.

This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 11/135:10 amGRB - YUL
1 stop10h 49mDelta
Mon 11/186:09 pmYUL - GRB
1 stop6h 50mDelta
Deal found 10/30$485
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 11/1310:45 amGRB - YUL
2 stops8h 03mUnited Airlines
Wed 11/207:00 amYUL - GRB
2 stops9h 20mUnited Airlines
Deal found 10/30$499
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 11/121:00 pmGRB - YYZ
1 stop7h 24mAmerican Airlines
Wed 11/134:44 pmYYZ - GRB
1 stop19h 08mAmerican Airlines
Deal found 10/31$527
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/712:55 pmGRB - YUL
2 stops22h 27mAmerican Airlines
Fri 1/34:00 pmYUL - GRB
2 stops19h 50mAmerican Airlines
Deal found 10/30$638
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/35:25 amGRB - YYZ
1 stop4h 08mWestJet
Tue 11/55:45 pmYYZ - GRB
1 stop17h 46mWestJet
Deal found 10/30$726
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/74:15 pmGRB - YUL
1 stop6h 26mWestJet
Fri 1/31:00 pmYUL - GRB
1 stop8h 42mWestJet
Deal found 10/30$727
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/166:30 amGRB - YOW
2 stops6h 59mUnited Airlines
Sat 11/165:00 pmYOW - GRB
1 stop5h 02mUnited Airlines
Deal found 10/31$848
This United deal was found by Cheapflights users on 10/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/153:56 pmGRB - YOW
2 stops8h 41mMultiple Airlines
Mon 11/185:50 pmYOW - GRB
2 stops23h 56mMultiple Airlines
Deal found 10/31$1,057
This Delta deal was found by Cheapflights users on 10/30. 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 11/812:02 pmGRB - YOW
2 stops11h 08mDelta
Tue 11/125:55 amYOW - GRB
2 stops12h 11mDelta
Deal found 10/30$1,142
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Mon 11/115:46 pmGRB - YOW
2 stops29h 24mWestJet
Thu 11/145:55 amYOW - GRB
2 stops29h 34mWestJet
Deal found 10/30$1,510

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 11/14

5:46 pm-4:39 pm

1 stop21h 53m

$473

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 11/13

5:10 am-4:59 pm

1 stop10h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 11/18

6:09 pm-11:59 pm

1 stop6h 50m

$485

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 11/13

10:45 am-7:48 pm

2 stops8h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 11/20

7:00 am-3:20 pm

2 stops9h 20m

$499

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 11/12

1:00 pm-9:24 pm

1 stop7h 24m

Toronto Pearson Intl

Wed 11/13

4:44 pm-10:52 am

1 stop19h 08m

$527

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 12/7

4:15 pm-11:41 pm

1 stop6h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 1/3

1:00 pm-8:42 pm

1 stop8h 42m

$727

Green BayOttawa

GRB - YOW

GRBYOW

Green Bay Austin-Straubel

Fri 11/15

3:56 pm-1:37 am

2 stops8h 41m

Ottawa

Mon 11/18

5:50 pm-4:46 pm

2 stops23h 56m

$1,057

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 12/7

12:55 pm-12:22 pm

2 stops22h 27m

Montreal Pierre Elliott Trudeau Intl

Fri 1/3

4:00 pm-10:50 am

2 stops19h 50m

$638

Green BayOttawa

GRB - YOW

GRBYOW

Green Bay Austin-Straubel

Sat 11/16

6:30 am-2:29 pm

2 stops6h 59m

Ottawa

Sat 11/16

5:00 pm-9:02 pm

1 stop5h 02m

$848

Green BayOttawa

GRB - YOW

GRBYOW

Green Bay Austin-Straubel

Mon 11/11

5:46 pm-12:10 am

2 stops29h 24m

Ottawa

Thu 11/14

5:55 am-10:29 am

2 stops29h 34m

$1,510

Flights are sorted by cheapest first

Deals found on 10/31

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 October 31, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and WestJet 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
8,835 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

WestJet
7.3
Good
2,804 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • Can I find flights from Green Bay to Region of Ontario for under $500 on Cheapflights?

    Yes, there are multiple flights from Green Bay to Region of Ontario for under $500. The cheapest flight booked recently is on Delta for just $485, but on average you can expect to pay $822.

  • Are there last-minute flights available from Green Bay to Region of Ontario for under $1,000?

    There are currently 3+ open flights from Green Bay to Region of Ontario within the next 7 days for less than $1,000.

  • 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 - Montreal Pierre Elliott Trudeau Intl, Green Bay Austin-Straubel - Ottawa or Green Bay Austin-Straubel - Toronto Pearson Intl as they are the most popular.

  • What does GRB to YYZ mean?

    GRB and YYZ are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. GRB to YYZ refers to a flight route from Green Bay Austin-Straubel Airport to Toronto Pearson Intl Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Ottawa Airport (YOW), Toronto Island Airport (YTZ), London Airport (YXU), Hamilton Airport (YHM), Toronto Region of Waterloo Intl Airport (YKF).

  • Can I find deals for flights from Green Bay to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Green Bay to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Green Bay to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Green Bay to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Green Bay to Ontario that allow pets onboard?

    Many airlines flying from Green Bay to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Green Bay to Ontario?

    Yes, you can often find last-minute deals on Green Bay to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Green Bay to Region of Ontario flight deals updated?

    The Green Bay to Region of Ontario flight deals you see on this page were last updated on 10/31.

  • 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

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