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Cheap flights from Green Bay to Ontario from C$ 361

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — YYZ
26 Jan — 2 Feb1
1 adult

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 21 January 2025.

Round-trip from

C$ 738

One-way from

C$ 361
Delta
  • Delta
  • 14/2-16/2
  • 2 total stops
  • 9h 39m total
  • Green Bay to Ontario
Search Deals
Delta
  • Delta
  • 23/4
  • 1 total stop
  • 5h 14m total
  • Green Bay to Ontario
Search Deals

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 21 January 2025.

Fri 14/26:18 a.m.GRB - YYZ
1 stop6h 26mDelta
Sun 16/27:45 a.m.YYZ - GRB
1 stop4h 09mDelta
Deal found 21/1C$ 738
Tue 4/311:08 a.m.GRB - YYZ
1 stop4h 01mWestJet
Tue 11/36:00 a.m.YYZ - GRB
1 stop5h 32mWestJet
Deal found 21/1C$ 758
Tue 4/36:30 a.m.GRB - YYZ
2 stops11h 27mUnited Airlines
Tue 11/311:00 a.m.YYZ - GRB
1 stop5h 04mUnited Airlines
Deal found 21/1C$ 774
Fri 14/211:22 a.m.GRB - YYZ
1 stop3h 38mAmerican Airlines
Sun 16/27:30 a.m.YYZ - GRB
2 stops11h 33mAmerican Airlines
Deal found 21/1C$ 817
Sat 8/36:27 p.m.GRB - YUL
2 stops13h 43mAmerican Airlines
Sat 15/35:40 p.m.YUL - GRB
2 stops18h 25mAmerican Airlines
Deal found 21/1C$ 879
Sat 8/35:25 p.m.GRB - YUL
2 stops17h 25mUnited Airlines
Sat 15/31:10 p.m.YUL - GRB
1 stop4h 32mUnited Airlines
Deal found 21/1C$ 934
Thu 30/111:04 a.m.GRB - YUL
1 stop3h 56mWestJet
Sun 2/27:05 a.m.YUL - GRB
1 stop14h 34mWestJet
Deal found 21/1C$ 938
Wed 29/15:20 a.m.GRB - YUL
1 stop7h 25mDelta
Sun 2/212:52 p.m.YUL - GRB
1 stop11h 17mDelta
Deal found 21/1C$ 940

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 629,999 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 14/2

5:20 p.m.-10:49 p.m.

1 stop4h 29m

Toronto Pearson Intl

Sun 16/2

5:15 p.m.-9:25 p.m.

1 stop5h 10m

C$ 738

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 4/3

10:50 a.m.-9:25 p.m.

1 stop9h 35m

Toronto Pearson Intl

Tue 11/3

7:20 a.m.-3:04 p.m.

2 stops8h 44m

C$ 774

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sun 2/2

3:40 p.m.-9:17 p.m.

1 stop4h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

9:15 a.m.-4:42 p.m.

1 stop8h 27m

C$ 777

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Tue 4/3

6:01 a.m.-4:44 p.m.

2 stops9h 43m

Toronto Pearson Intl

Tue 11/3

10:55 a.m.-6:09 p.m.

2 stops8h 14m

C$ 781

Green BayToronto

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Sat 24/5

4:00 p.m.-11:32 a.m.

1 stop18h 32m

Toronto Pearson Intl

Wed 28/5

6:08 p.m.-8:36 p.m.

1 stop3h 28m

C$ 914

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 24/5

4:00 p.m.-11:24 p.m.

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

7:30 a.m.-11:10 a.m.

1 stop4h 40m

C$ 1,002

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sat 24/5

4:00 p.m.-11:24 p.m.

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

11:15 a.m.-9:57 p.m.

2 stops11h 42m

C$ 1,051

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Sun 2/2

6:00 a.m.-3:25 p.m.

3 stops8h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

10:54 a.m.-6:09 p.m.

2 stops8h 15m

C$ 1,110

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 23/4

5:10 p.m.-11:24 p.m.

1 stop5h 14m

C$ 361

Green BayMontreal

GRB - YUL

GRBYUL

Green Bay Austin-Straubel

Wed 23/4

6:45 a.m.-3:49 p.m.

2 stops8h 04m

C$ 368

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 21 January 2025.
Read reviews from past customers who have flown WestJet, Delta and United Airlines from Green Bay to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

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
8,521 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

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
8,984 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

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
8,521 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

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?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to Ontario. Green Bay Austin-Straubel is conveniently located just 9.5 km from Green Bay’s city centre.

  • 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 C$ 168). Flying from Green Bay to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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Alternative routes for Green Bay to Ontario

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

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

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

Cheapflights helps you find that perfect flight to Ontario from Green Bay by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Green Bay shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Green Bay to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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