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Cheap flights from Green Bay (GRB) to Ontario from $556

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GRB — YYZ
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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When is the cheapest time to fly from Green Bay to Region of Ontario (GRB - ON)?

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

Cheap Delta flights from Green Bay to Ontario

Explore cheap flight options specifically provided by Delta for the route between Green Bay and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Take a look at some of the lowest-priced Delta flights heading from Green Bay to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Wed 6/125:35 pmGRB - YYZ
1 stop4h 15mDelta
Sun 6/1612:30 pmYYZ - GRB
1 stop5h 16mDelta
Deal found 5/4$556
Wed 5/157:00 amGRB - YYZ
2 stops9h 59mDelta
Sat 5/186:04 amYYZ - GRB
1 stop5h 36mDelta
Deal found 5/4$595
Wed 5/157:00 amGRB - YYZ
2 stops12h 35mDelta
Sat 5/1812:30 pmYYZ - GRB
1 stop4h 12mDelta
Deal found 5/3$611
Wed 5/156:14 amGRB - YYZ
1 stop4h 25mDelta
Sat 5/1812:30 pmYYZ - GRB
1 stop4h 12mDelta
Deal found 5/4$642
Wed 6/1211:01 amGRB - YYZ
1 stop5h 07mDelta
Sun 6/165:58 pmYYZ - GRB
1 stop3h 34mDelta
Deal found 5/4$921

Cheap United Airlines flights from Green Bay to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Green Bay and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Green Bay and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Mon 6/35:25 pmGRB - YYZ
1 stop5h 33mUnited Airlines
Fri 6/711:00 amYYZ - GRB
1 stop6h 47mUnited Airlines
Deal found 5/4$566
Thu 7/1110:52 amGRB - YYZ
1 stop3h 51mUnited Airlines
Tue 7/164:30 pmYYZ - GRB
2 stops18h 41mUnited Airlines
Deal found 5/5$619
Fri 5/106:30 amGRB - YOW
1 stop14h 02mUnited Airlines
Sun 5/126:35 amYOW - GRB
1 stop13h 34mUnited Airlines
Deal found 5/3$900
Fri 5/108:03 amGRB - YOW
2 stops12h 56mUnited Airlines
Sun 5/126:35 amYOW - GRB
1 stop13h 34mUnited Airlines
Deal found 5/3$909
Fri 5/108:03 amGRB - YOW
2 stops12h 56mUnited Airlines
Sun 5/126:05 amYOW - GRB
2 stops10h 05mUnited Airlines
Deal found 5/3$914
Mon 6/33:50 pmGRB - YYZ
2 stops7h 04mUnited Airlines
Fri 6/72:45 pmYYZ - GRB
2 stops7h 17mUnited Airlines
Deal found 5/4$952

Cheap Green Bay to Ontario flights in May & June 2024

Find cheap flight options from Green Bay to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 5, 2024.
These are some of the most attractive deals on flights from Green Bay to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/125:35 pmGRB - YYZ
1 stop4h 15mDelta
Sun 6/1612:30 pmYYZ - GRB
1 stop5h 16mDelta
Deal found 5/4$556
Mon 6/35:25 pmGRB - YYZ
1 stop5h 33mUnited Airlines
Fri 6/711:00 amYYZ - GRB
1 stop6h 47mUnited Airlines
Deal found 5/4$566
Thu 6/136:21 pmGRB - YYZ
1 stop3h 45mAmerican Airlines
Sun 6/166:00 amYYZ - GRB
2 stops9h 18mAmerican Airlines
Deal found 5/4$574
Fri 6/216:21 pmGRB - YYZ
2 stops19h 38mAmerican Airlines
Tue 6/256:54 amYYZ - GRB
2 stops11h 57mAmerican Airlines
Deal found 5/4$581
Wed 5/157:00 amGRB - YYZ
2 stops9h 59mDelta
Sat 5/186:04 amYYZ - GRB
1 stop5h 36mDelta
Deal found 5/4$595
Mon 6/36:36 pmGRB - YYZ
2 stops15h 29mAmerican Airlines
Fri 6/76:30 amYYZ - GRB
1 stop12h 21mAmerican Airlines
Deal found 5/4$596
Fri 6/76:21 pmGRB - YYZ
2 stops20h 03mAmerican Airlines
Sun 6/96:30 amYYZ - GRB
1 stop5h 33mAmerican Airlines
Deal found 5/4$597
Wed 6/126:07 amGRB - YYZ
1 stop5h 33mAmerican Airlines
Sun 6/166:00 amYYZ - GRB
2 stops9h 18mAmerican Airlines
Deal found 5/4$607
Fri 6/146:21 pmGRB - YYZ
1 stop3h 45mAmerican Airlines
Sun 6/166:30 amYYZ - GRB
1 stop8h 48mAmerican Airlines
Deal found 5/4$609

Green Bay to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Green Bay and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
These are some of the most attractive deals on flights from Green Bay to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/125:35 pmGRB - YYZ
1 stop4h 15mDelta
Sun 6/1612:30 pmYYZ - GRB
1 stop5h 16mDelta
Deal found 5/4$556
Mon 6/35:25 pmGRB - YYZ
1 stop5h 33mUnited Airlines
Fri 6/711:00 amYYZ - GRB
1 stop6h 47mUnited Airlines
Deal found 5/4$566
Thu 6/136:21 pmGRB - YYZ
1 stop3h 45mAmerican Airlines
Sun 6/166:00 amYYZ - GRB
2 stops9h 18mAmerican Airlines
Deal found 5/4$574
Fri 6/216:21 pmGRB - YYZ
2 stops19h 38mAmerican Airlines
Tue 6/256:54 amYYZ - GRB
2 stops11h 57mAmerican Airlines
Deal found 5/4$581
Wed 5/157:00 amGRB - YYZ
2 stops9h 59mDelta
Sat 5/186:04 amYYZ - GRB
1 stop5h 36mDelta
Deal found 5/4$595
Mon 6/36:36 pmGRB - YYZ
2 stops15h 29mAmerican Airlines
Fri 6/76:30 amYYZ - GRB
1 stop12h 21mAmerican Airlines
Deal found 5/4$596
Fri 6/76:21 pmGRB - YYZ
2 stops20h 03mAmerican Airlines
Sun 6/96:30 amYYZ - GRB
1 stop5h 33mAmerican Airlines
Deal found 5/4$597
Wed 6/126:07 amGRB - YYZ
1 stop5h 33mAmerican Airlines
Sun 6/166:00 amYYZ - GRB
2 stops9h 18mAmerican Airlines
Deal found 5/4$607
Fri 6/146:21 pmGRB - YYZ
1 stop3h 45mAmerican Airlines
Sun 6/166:30 amYYZ - GRB
1 stop8h 48mAmerican Airlines
Deal found 5/4$609

Green Bay to Ontario flights leaving soon

Find last-minute flight options from Green Bay to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 5, 2024.
Check out these flights departing soon from Green Bay to Ontario. Tip: verify your flight details before completing your reservation.
Wed 5/157:00 amGRB - YYZ
2 stops9h 59mDelta
Sat 5/186:04 amYYZ - GRB
1 stop5h 36mDelta
Deal found 5/4$595
Wed 5/157:00 amGRB - YYZ
2 stops12h 35mDelta
Sat 5/1812:30 pmYYZ - GRB
1 stop4h 12mDelta
Deal found 5/3$611
Wed 5/156:14 amGRB - YYZ
1 stop4h 25mDelta
Sat 5/1812:30 pmYYZ - GRB
1 stop4h 12mDelta
Deal found 5/4$642
Wed 5/1511:36 amGRB - YYZ
2 stops10h 24mAmerican Airlines
Sat 5/183:45 pmYYZ - GRB
2 stops6h 58mAmerican Airlines
Deal found 5/3$698
Fri 5/106:30 amGRB - YOW
1 stop14h 02mUnited Airlines
Sun 5/126:35 amYOW - GRB
1 stop13h 34mUnited Airlines
Deal found 5/3$900
Fri 5/108:03 amGRB - YOW
2 stops12h 56mUnited Airlines
Sun 5/126:35 amYOW - GRB
1 stop13h 34mUnited Airlines
Deal found 5/3$909
Fri 5/108:03 amGRB - YOW
2 stops12h 56mUnited Airlines
Sun 5/126:05 amYOW - GRB
2 stops10h 05mUnited Airlines
Deal found 5/3$914

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 2,795,183 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$556 - $894

Route

Depart

Return

Price

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Wed 6/12

1 stop4h 15m

Toronto Pearson Intl

Sun 6/16

1 stop5h 16m

$556

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Mon 6/3

1 stop5h 33m

Toronto Pearson Intl

Fri 6/7

1 stop6h 47m

$566

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 6/13

1 stop3h 45m

Toronto Pearson Intl

Sun 6/16

2 stops9h 18m

$574

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Fri 6/21

2 stops19h 38m

Toronto Pearson Intl

Tue 6/25

2 stops11h 57m

$581

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Wed 5/15

2 stops9h 59m

Toronto Pearson Intl

Sat 5/18

1 stop5h 36m

$595

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Mon 6/3

2 stops15h 29m

Toronto Pearson Intl

Fri 6/7

1 stop12h 21m

$596

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Wed 5/15

2 stops12h 35m

Toronto Pearson Intl

Sat 5/18

1 stop4h 12m

$611

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 7/11

1 stop3h 51m

Toronto Pearson Intl

Tue 7/16

2 stops18h 41m

$619

Green Bay Austin-StraubelToronto Pearson Intl

GRB - YYZ

GRBYYZ

Green Bay Austin-Straubel

Thu 6/13

1 stop15h 55m

Toronto Pearson Intl

Sat 6/15

2 stops10h 47m

$894

Flights are sorted by cheapest first

Deals found on 5/4

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

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 May 5, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines 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
8.1
Very good
10,826 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,826 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,118 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,713 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Food

7.4

Entertainment

8.0

Comfort

7.9

Crew

8.6

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $600 on Cheapflights?

    Yes, there are multiple flights from Green Bay to Region of Ontario for under $600. The cheapest flight booked recently is on Delta for just $556, but on average you can expect to pay $630.

  • Are there last-minute flights available from Green Bay to Region of Ontario for under $600?

    There are currently 7+ open flights from Green Bay to Region of Ontario within the next 7 days for less than $600.

  • 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), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo 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 5/4.

See more FAQs

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Search flights from Green Bay to Ontario by cabin class

Find flights from Green Bay to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
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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 Green Bay to Ontario?

Cheapflights makes it easy to find Green Bay to Ontario 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 Green Bay to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Green Bay to Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Green Bay to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Green Bay to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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