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Cheap flights from Ontario to Green Bay (ONT - GRB) from $200

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 6/4. 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.
ONT — GRB
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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Cheap flight deals from Ontario to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Green Bay (GRB). 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 April 28, 2024.

Popular in

April

Cheapest in

July

Round-trip from

$334

One-way from

$229
High demand for flights, 35% potential price rise
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Best time to find cheap flights, 64% potential price drop
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From Ontario to Green Bay Austin-Straubel
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One-way flight from Ontario to Green Bay Austin-Straubel
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What is the cheapest day to fly round-trip from Ontario to Green Bay?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 214% when planning your travel around this day of the week.

How far in advance should I book a flight from Ontario to Green Bay?

To save on the cost of your flight from Ontario to Green Bay, book at least 52 days before your planned departure. Booking around this time can save you about 67% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $459 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $758.

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

April is one of the best times of the year to fly to Green Bay from Ontario. Prices for April average $583 per person but you can even find prices for as low as $458. The most expensive prices can be found in the month of December. Opting for a April flight can save you 25% on your journey compared to booking in December

When is the cheapest time to fly from Ontario to Green Bay (ONT - GRB)?

One of the essential ways to save on airfare from Ontario to Green Bay is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

Cheap United Airlines flights from Ontario to Green Bay

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Green Bay. 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 2,944,896 searches. Data last updated April 28, 2024.
Find some of the cheapest United Airlines flights traveling from Ontario to Green Bay. Deals update often to give you more flight options matching your criteria
Sat 9/147:40 amONT - GRB
2 stops24h 31mUnited Airlines
Wed 9/188:25 amGRB - ONT
2 stops10h 57mUnited Airlines
Deal found 4/26$577
Wed 5/85:15 amONT - GRB
2 stops11h 54mUnited Airlines
Wed 5/156:30 amGRB - ONT
2 stops8h 10mUnited Airlines
Deal found 4/27$663

Cheap Delta flights from Ontario to Green Bay

Explore cheap flight options specifically provided by Delta for the route between Ontario and Green Bay. 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 2,944,896 searches. Data last updated April 28, 2024.
Take a gander at the lowest prices we've found on Delta flights from Ontario to Green Bay. Deals are refreshing constantly so come back soon for more options.
Mon 5/2710:00 pmONT - GRB
2 stops10h 40mDelta
Mon 6/35:19 pmGRB - ONT
2 stops8h 24mDelta
Deal found 4/27$438
Sat 9/1412:45 pmONT - GRB
1 stop7h 10mDelta
Wed 9/185:45 amGRB - ONT
1 stop7h 37mDelta
Deal found 4/27$483
Sat 9/1412:45 pmONT - GRB
1 stop7h 10mDelta
Wed 9/185:45 amGRB - ONT
1 stop7h 37mDelta
Deal found 4/26$523
Tue 7/3012:04 pmONT - GRB
1 stop9h 07mDelta
Fri 8/24:18 pmGRB - ONT
2 stops9h 25mDelta
Deal found 4/27$528
Tue 7/3010:00 pmONT - GRB
2 stops11h 20mDelta
Fri 8/24:18 pmGRB - ONT
2 stops9h 25mDelta
Deal found 4/27$533
Mon 5/2710:00 pmONT - GRB
2 stops10h 40mDelta
Mon 6/35:19 amGRB - ONT
1 stop8h 21mDelta
Deal found 4/27$543
Sat 9/1412:45 pmONT - GRB
1 stop7h 10mDelta
Wed 9/1812:00 pmGRB - ONT
2 stops13h 51mDelta
Deal found 4/27$571
Tue 7/3012:04 pmONT - GRB
1 stop9h 07mDelta
Fri 8/24:18 pmGRB - ONT
2 stops9h 25mDelta
Deal found 4/28$573
Tue 7/3010:00 pmONT - GRB
2 stops11h 20mDelta
Fri 8/24:18 pmGRB - ONT
2 stops9h 25mDelta
Deal found 4/28$578

Cheap Ontario to Green Bay flights in April & May 2024

Find cheap flight options from Ontario to Green Bay specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Green Bay in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 5/2612:59 amONT - GRB
1 stop17h 28mFrontier
Mon 6/39:18 pmGRB - ONT
1 stop18h 06mFrontier
Deal found 4/27$225
Mon 5/279:05 amONT - GRB
1 stop9h 22mFrontier
Mon 6/39:18 pmGRB - ONT
1 stop18h 06mFrontier
Deal found 4/27$263
Mon 5/2710:00 pmONT - GRB
2 stops10h 40mDelta
Mon 6/35:19 pmGRB - ONT
2 stops8h 24mDelta
Deal found 4/27$438
Mon 5/2710:00 pmONT - GRB
2 stops10h 40mDelta
Mon 6/35:19 amGRB - ONT
1 stop8h 21mDelta
Deal found 4/27$543
Wed 5/85:15 amONT - GRB
2 stops11h 54mUnited Airlines
Wed 5/156:30 amGRB - ONT
2 stops8h 10mUnited Airlines
Deal found 4/27$663
Wed 5/2211:59 pmONT - GRB
2 stops9h 07mAmerican Airlines
Tue 5/2811:36 amGRB - ONT
2 stops8h 46mAmerican Airlines
Deal found 4/27$788
Mon 5/276:45 amONT - GRB
3 stops9h 18mAmerican Airlines
Mon 6/36:36 pmGRB - ONT
2 stops17h 13mAmerican Airlines
Deal found 4/27$844
Mon 5/1311:59 pmONT - GRB
2 stops9h 07mAmerican Airlines
Thu 5/1611:36 amGRB - ONT
2 stops9h 12mAmerican Airlines
Deal found 4/27$857

Ontario to Green Bay 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Green Bay in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Green Bay in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 6/42:25 pmONT - GRB
1 stop20h 21mFrontier
Mon 6/104:07 pmGRB - ONT
1 stop6h 29mFrontier
Deal found 4/27$200
Sun 5/2612:59 amONT - GRB
1 stop17h 28mFrontier
Mon 6/39:18 pmGRB - ONT
1 stop18h 06mFrontier
Deal found 4/27$225
Mon 5/279:05 amONT - GRB
1 stop9h 22mFrontier
Mon 6/39:18 pmGRB - ONT
1 stop18h 06mFrontier
Deal found 4/27$263
Tue 7/301:32 pmONT - GRB
1 stop17h 08mFrontier
Fri 8/28:22 pmGRB - ONT
1 stop12h 08mFrontier
Deal found 4/27$319
Thu 6/2011:55 amONT - GRB
1 stop27h 36mFrontier
Wed 7/39:40 amGRB - ONT
1 stop15h 59mFrontier
Deal found 4/26$335
Mon 5/2710:00 pmONT - GRB
2 stops10h 40mDelta
Mon 6/35:19 pmGRB - ONT
2 stops8h 24mDelta
Deal found 4/27$438
Sat 9/1412:45 pmONT - GRB
1 stop7h 10mDelta
Wed 9/185:45 amGRB - ONT
1 stop7h 37mDelta
Deal found 4/27$483
Sat 9/1412:45 pmONT - GRB
1 stop7h 10mDelta
Wed 9/185:45 amGRB - ONT
1 stop7h 37mDelta
Deal found 4/26$523
Tue 7/3012:04 pmONT - GRB
1 stop9h 07mDelta
Fri 8/24:18 pmGRB - ONT
2 stops9h 25mDelta
Deal found 4/27$528

Ontario to Green Bay flights leaving soon

Find last-minute flight options from Ontario to Green Bay 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 2,944,896 searches. Data last updated April 28, 2024.
Users seeking a last-minute flight from Ontario to Green Bay should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 5/85:15 amONT - GRB
2 stops11h 54mUnited Airlines
Wed 5/156:30 amGRB - ONT
2 stops8h 10mUnited Airlines
Deal found 4/27$663

One-way flights to Green Bay from Ontario

Search for one-way flight options from Ontario to Green Bay. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Ontario to Green Bay can choose from these deals. Those seeking round-trip flights from Ontario to Green Bay should utilize the search form at the the top of the page.
Sat 8/316:00 amONT - GRB
2 stops8h 47mUnited Airlines
Deal found 4/27$229
Sat 8/3112:45 pmONT - GRB
1 stop7h 12mDelta
Deal found 4/27$349
Wed 5/810:29 pmONT - GRB
2 stops10h 37mAmerican Airlines
Deal found 4/27$428

Find flights from Ontario to Green Bay within your budget

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$200 - $734

Route

Depart

Return

Price

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Tue 6/4

1 stop20h 21m

Green Bay Austin-Straubel

Mon 6/10

1 stop6h 29m

$200

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Sun 5/26

1 stop17h 28m

Green Bay Austin-Straubel

Mon 6/3

1 stop18h 06m

$225

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Mon 5/27

1 stop9h 22m

Green Bay Austin-Straubel

Mon 6/3

1 stop18h 06m

$263

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Tue 7/30

1 stop17h 08m

Green Bay Austin-Straubel

Fri 8/2

1 stop12h 08m

$319

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Thu 6/20

1 stop27h 36m

Green Bay Austin-Straubel

Wed 7/3

1 stop15h 59m

$335

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Mon 5/27

2 stops10h 40m

Green Bay Austin-Straubel

Mon 6/3

2 stops8h 24m

$438

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Sat 9/14

1 stop7h 10m

Green Bay Austin-Straubel

Wed 9/18

1 stop7h 37m

$483

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Sat 9/14

2 stops24h 31m

Green Bay Austin-Straubel

Wed 9/18

2 stops10h 57m

$577

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Thu 6/6

2 stops13h 37m

Green Bay Austin-Straubel

Sun 6/9

2 stops14h 30m

$734

Flights are sorted by cheapest first

Deals found on 4/27

When is the cheapest time to fly from Ontario to Green Bay?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Green Bay. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Green Bay flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Green Bay by month

Plan your trip from Ontario to Green Bay by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Green Bay is currently $335 while a round-trip flight costs $397. Price data was last updated on April 21, 2024.

Currently, February is the cheapest month in which you can book a flight from Ontario to Green Bay (average of $334). Flying from Ontario to Green Bay in June is currently the most expensive (average of $538). 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.

January

$354

February

$334

March

$354

April

$385

May

$488

June

$538

July

$495

August

$435

September

$397

October

$469

November

$438

December

$477

Temperature and rainfall in Green Bay by month

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

GRB

Temperature

15.8 - 69.8 °F

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 April 28, 2024.
Read through reviews of airlines operating flights from Ontario to Green Bay, such as United Airlines, Delta and Frontier. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Frontier
6.3
Okay
4,129 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.1

Food

7.4

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • Can I find flights from Ontario to Green Bay for under $200 on Cheapflights?

    Yes, there are multiple flights from Ontario to Green Bay for under $200. The cheapest flight booked recently is on Frontier for just $200, but on average you can expect to pay $497.

  • Are there last-minute flights available from Ontario to Green Bay for under $700?

    There are currently 1+ open flights from Ontario to Green Bay within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Ontario to Green Bay round-trip?

    Frontier, at $200, was found to be the cheapest airline from Ontario to Green Bay.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Ontario to Green Bay for 65% less than the average price by searching for these airlines.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $229. Users have also found prices from $349 and $428 on Delta and American Airlines, respectively.

  • What are the most popular airlines that fly from Ontario to Green Bay?

    Before booking your flight from Ontario to Green Bay check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • What does ONT to GRB mean?

    Ontario Airport is ONT and Green Bay Austin-Straubel Airport is GRB. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Ontario to Green Bay that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Green Bay 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 Ontario to Green Bay with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Green Bay 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 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.

  • Can I find deals for flights from Ontario to Green Bay that allow pets onboard?

    Many airlines flying from Ontario to Green Bay 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 Ontario to Green Bay?

    Yes, you can often find last-minute deals on Ontario to Green Bay 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 Ontario to Green Bay flight deals updated?

    The Ontario to Green Bay flight deals you see on this page were last updated on 4/27.

See more FAQs

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Top 4 airlines flying from Ontario to Green Bay

Discover the top 4 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$179Average$265FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$394Average$684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$408Average$612FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$427Average$661FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Ontario to Crete flights

Search flights from Ontario to Green Bay by cabin class

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Green Bay from Ontario today with Cheapflights!

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?

Need flexible booking options for your flight to Green Bay from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Ontario to Green Bay 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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