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

One-way options have recently been found by users for as low as $301 on Delta. Other airlines that offer cheap prices include American Airlines from $305 and United Airlines from $308 one-way.

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Green Bay (average of $331). Flying from Region of Ontario to Green Bay in July is currently the most expensive (average of $475). 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.

What is the cheapest month to fly from Region of Ontario to Green Bay?

Our data shows that April tends to be the cheapest month to fly to Green Bay from Region of Ontario. Users have commonly found prices around $530 for the month, but tickets can be as low as $382. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from ON to GRB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Green Bay as you normally would.

What airport do you fly into for flights to Green Bay from Ontario?

For a flight from Ontario to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.

Can I find deals for flights from Ontario to Green Bay that include hotel bookings?

Yes. In addition to deals on Ontario to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Green Bay?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Green Bay.

Can I find deals for business class flights from Ontario to Green Bay?

Yes. Cheapflights offers flight deals from Ontario to Green Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$301+ Flights from Ontario to Green Bay

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Cheap flight deals from Ontario to Green Bay

Round-trip from	$479 (United Airlines)
One-way from	$301 (Delta)
Popular in	December
Cheapest in	April
Average price	$500

From Ontario to Green Bay Austin-Straubel

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One-way flight from Ontario to Green Bay Austin-Straubel

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Ontario to Green Bay

Cheapest flights from Ontario to Green Bay
Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Fri 7/42:45 pmYYZ - GRB

1 stop22h 38mUnited Airlines

Sun 7/66:15 amGRB - YYZ

1 stop15h 55mUnited Airlines

Deal found 6/11

$479

Fri 8/16:30 amYYZ - GRB

1 stop6h 00mDelta

Tue 8/55:32 amGRB - YYZ

2 stops17h 11mDelta

Deal found 6/11

$528

Best flights from Ontario to Green Bay
Discover carefully curated flight deals from Ontario to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 7/42:45 pmYYZ - GRB

1 stop22h 38mUnited Airlines

Sun 7/66:15 amGRB - YYZ

1 stop15h 55mUnited Airlines

Deal found 6/11

$479

Fri 8/16:30 amYYZ - GRB

1 stop6h 00mDelta

Tue 8/55:32 amGRB - YYZ

2 stops17h 11mDelta

Deal found 6/11

$528

Last-minute flights from Ontario to Green Bay
Discover last-minute flight deals from Ontario to Green Bay. Data last updated June 12, 2025 and is based on user searches.

Fri 7/42:45 pmYYZ - GRB

1 stop22h 38mUnited Airlines

Sun 7/66:15 amGRB - YYZ

1 stop15h 55mUnited Airlines

Deal found 6/11

$479

One-way flights from Ontario to Green Bay
Search for one-way flight options from Ontario to Green Bay. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Sat 7/266:30 amYYZ - GRB

1 stop6h 00mDelta

Deal found 6/11

$301

Sun 7/206:24 pmYYZ - GRB

1 stop15h 57mAmerican Airlines

Deal found 6/10

$305

Sat 7/267:47 pmYYZ - GRB

2 stops15h 24mUnited Airlines

Deal found 6/11

$308

Sat 7/267:00 amYYZ - GRB

3 stops33h 41mMultiple Airlines

Deal found 6/11

$523

Sun 7/2710:20 pmYYZ - GRB

3 stops19h 03mWestJet

Deal found 6/11

$658

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 7/4

2:45 pm-12:23 pm

1 stop22h 38m

Green Bay Austin-Straubel

Sun 7/6

6:15 am-11:10 pm

1 stop15h 55m

$479

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 8/1

6:30 am-11:30 am

1 stop6h 00m

Green Bay Austin-Straubel

Tue 8/5

5:32 am-11:43 pm

2 stops17h 11m

$528

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 7/26

6:30 am-11:30 am

1 stop6h 00m

$301

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sun 7/20

6:24 pm-9:21 am

1 stop15h 57m

$305

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 7/26

7:47 pm-10:11 am

2 stops15h 24m

$308

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 7/26

7:00 am-3:41 pm

3 stops33h 41m

$523

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sun 7/27

10:20 pm-4:23 pm

3 stops19h 03m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Green Bay

Rainfall in Green Bay by month

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

Temperature in Green Bay by month

If weather is an important factor for your trip to Green Bay, 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 15.8 F).

Reviews of airlines servicing Green Bay

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,868 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Green Bay from Ontario?
For a flight from Ontario to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.
What are the cheapest airlines to fly from Region of Ontario to Green Bay one-way?
One-way options have recently been found by users for as low as $301 on Delta. Other airlines that offer cheap prices include American Airlines from $305 and United Airlines from $308 one-way.
Can I find deals for flights from Ontario to Green Bay that include hotel bookings?
Yes. In addition to deals on Ontario to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Green Bay?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Green Bay.
Can I find deals for business class flights from Ontario to Green Bay?
Yes. Cheapflights offers flight deals from Ontario to Green Bay 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 Region of Ontario to Green Bay?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Green Bay (average of $331). Flying from Region of Ontario to Green Bay in July is currently the most expensive (average of $475). 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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$301+ Cheap flights from Ontario to Green Bay (GRB)

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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Green Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Green Bay

Keep the following information in mind while searching for Ontario to Green Bay flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Green Bay

Cheapest flights from Ontario to Green BayExplore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Best time to book a flight from Ontario to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Green Bay

Rainfall in Green Bay by month

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

Temperature in Green Bay by month

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

Reviews of airlines servicing Green Bay

Related info for your journey

Find useful and relevant information for your journey from Ontario to Green Bay. 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 into for flights to Green Bay from Ontario?

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

Can I find deals for flights from Ontario to Green Bay that include hotel bookings?

How can I find direct flights from Ontario to Green Bay?

Can I find deals for business class flights from Ontario to Green Bay?

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

Traveling to a place near Ontario?

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Alternative routes for Ontario to Green Bay

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

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Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Green Bay
Explore the most affordable flight options available from Ontario to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.