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$489+ Cheap flights from Green Bay (GRB) to Ontario

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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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 December 22, 2024.

Round-trip from

$489
(Delta)
From Green Bay Austin-Straubel to Ontario
Search Deals

Find flight deals from Green Bay to Ontario

Best flights from Green Bay to Ontario
Discover carefully curated flight deals from Green Bay to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This Delta deal was found by Cheapflights users on 12/21. 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.
Sun 1/194:17 pmGRB - YYZ
1 stop5h 54mDelta
Mon 1/276:00 amYYZ - GRB
1 stop5h 24mDelta
Deal found 12/21$489
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 1/1912:45 pmGRB - YYZ
2 stops9h 09mAmerican Airlines
Mon 1/271:14 pmYYZ - GRB
1 stop9h 37mAmerican Airlines
Deal found 12/21$499
This Justfly.com deal was found by Cheapflights users on 12/21. 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.
Sat 5/247:00 amGRB - YYZ
1 stop11h 09mWestJet
Wed 5/286:15 amYYZ - GRB
1 stop5h 07mWestJet
Deal found 12/21$620
This United deal was found by Cheapflights users on 12/21. 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.
Sat 5/248:25 amGRB - YYZ
2 stops7h 34mUnited Airlines
Wed 5/287:20 amYYZ - GRB
2 stops8h 58mUnited Airlines
Deal found 12/21$672
This Justfly.com deal was found by Cheapflights users on 12/21. 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.
Sat 5/247:00 amGRB - YUL
1 stop8h 02mWestJet
Wed 5/287:00 amYUL - GRB
1 stop4h 22mWestJet
Deal found 12/21$685
This Delta deal was found by Cheapflights users on 12/21. 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.
Sat 5/247:00 amGRB - YUL
1 stop8h 02mDelta
Wed 5/2811:15 amYUL - GRB
2 stops11h 42mDelta
Deal found 12/21$708

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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sun 1/19

4:17 pm-11:11 pm

1 stop5h 54m

Toronto Pearson Intl

Mon 1/27

6:00 am-10:24 am

1 stop5h 24m

$489

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sun 1/19

12:45 pm-10:54 pm

2 stops9h 09m

Toronto Pearson Intl

Mon 1/27

1:14 pm-9:51 pm

1 stop9h 37m

$499

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 5/24

7:00 am-7:09 pm

1 stop11h 09m

Toronto Pearson Intl

Wed 5/28

6:15 am-10:22 am

1 stop5h 07m

$620

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 5/24

8:25 am-4:59 pm

2 stops7h 34m

Toronto Pearson Intl

Wed 5/28

7:20 am-3:18 pm

2 stops8h 58m

$672

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 5/24

7:00 am-4:02 pm

1 stop8h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 5/28

7:00 am-10:22 am

1 stop4h 22m

$685

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 5/24

7:00 am-4:02 pm

1 stop8h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 5/28

11:15 am-9:57 pm

2 stops11h 42m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December 22, 2024.
Peruse reviews from past customers who have flown with Delta 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
8,594 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

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
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

WestJet
7.3
Good
2,812 reviews
Delta
8.0
Very good
8,594 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

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
8,594 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

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 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 $243). 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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See prices for flight routes from nearby airports that may be better suited for you.
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