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Cheap flights from Ontario to Green Bay from C$ 401

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRB
1 Jul — 8 Jul1
1 adult

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 26 June 2025.

Round-trip from

C$ 651

One-way from

C$ 401

Popular in

December

Cheapest in

April

Average price

C$ 684
United Airlines
  • United Airlines
  • 25/10-24/11
  • 3 total stops
  • 28h 23m total
  • Ontario to Green Bay
Search Deals
Delta
  • Delta
  • 18/8
  • 2 total stops
  • 21h 56m total
  • Ontario to Green Bay
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
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 26 June 2025.

Sat 25/108:10 a.m.YYZ - GRB
2 stops12h 50mUnited Airlines
Mon 24/115:22 p.m.GRB - YYZ
1 stop15h 33mUnited Airlines
Deal found 24/6C$ 651
Wed 13/85:59 p.m.YYZ - GRB
2 stops16h 13mAmerican Airlines
Sun 17/86:02 a.m.GRB - YYZ
1 stop3h 57mAmerican Airlines
Deal found 24/6C$ 726
Wed 13/84:11 p.m.YYZ - GRB
1 stop5h 24mDelta
Sun 17/87:02 a.m.GRB - YYZ
1 stop7h 19mDelta
Deal found 24/6C$ 733
Thu 3/73:31 p.m.YYZ - GRB
1 stop25h 52mWestJet
Mon 7/712:10 p.m.GRB - YYZ
1 stop22h 49mWestJet
Deal found 26/6C$ 893

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Green Bay 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 629,999 searches. Data last updated 26 June 2025.
Use the filters below to find and compare flights from Ontario to Green Bay that are best for you.

Fly from

Ontario

Fly to

Green Bay

Route

Depart

Return

Price

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Sat 25/10

8:10 a.m.-8:00 p.m.

2 stops12h 50m

Green Bay Austin-Straubel

Mon 24/11

5:22 p.m.-9:55 a.m.

1 stop15h 33m

C$ 651

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 13/8

5:59 p.m.-9:12 a.m.

2 stops16h 13m

Green Bay Austin-Straubel

Sun 17/8

6:02 a.m.-10:59 a.m.

1 stop3h 57m

C$ 726

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Wed 13/8

4:11 p.m.-8:35 p.m.

1 stop5h 24m

Green Bay Austin-Straubel

Sun 17/8

7:02 a.m.-3:21 p.m.

1 stop7h 19m

C$ 733

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Mon 18/8

2:30 p.m.-11:26 a.m.

2 stops21h 56m

C$ 401

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 8/8

3:14 p.m.-5:56 p.m.

1 stop3h 42m

C$ 421

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 12/12

6:30 a.m.-3:12 p.m.

2 stops9h 42m

C$ 453

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 8/8

9:45 a.m.-8:35 p.m.

1 stop11h 50m

C$ 457

TorontoGreen Bay

YYZ - GRB

YYZGRB

Toronto Pearson Intl

Fri 8/8

4:00 p.m.-10:03 p.m.

3 stops31h 03m

C$ 628

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/6

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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated 26 June 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Ontario to Green Bay. 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
7,963 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

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
8,838 reviews
Delta
8.0
Very good
7,963 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,963 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

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
2,893 reviews
Delta
8.0
Very good
7,963 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

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

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?

    Green Bay Austin-Straubel (GRB), located 9.5 km from the city centre, is the airport you fly into when you book flights from Ontario to Green Bay.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 401. Users have also found prices from C$ 421 and C$ 453 on American Airlines and United Airlines, respectively.

  • 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.

See more FAQs

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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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Top 2 airlines flying from Ontario to Green Bay

Discover the top 2 airlines that operate flights from Ontario to Green Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 515AverageC$ 768FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 672AverageC$ 763FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Green Bay?

Cheapflights makes it easy to find Ontario to Green Bay flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Green Bay?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Green Bay for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Green Bay with no change fees?

Yes, we can. To see specific flights from Ontario to Green Bay with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Green Bay become cheaper?

Yes! Start tracking prices for Ontario to Green Bay flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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