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Cheap flights from Ontario to Green Bay (ONT - GRB) from $95

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 7/7. 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
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
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 June 6, 2024.

Popular in

November

Cheapest in

July

Round-trip from

$334

One-way from

$310
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 65% 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 208% 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 27 days before your planned departure. Booking around this time can save you about 85% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $544 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $595.

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 $488 per person but you can even find prices for as low as $287. The most expensive prices can be found in the month of December. Opting for a April flight can save you 28% on your journey compared to booking in December

What is the cheapest time of day to fly from ONT to 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 26% on airfare.

Cheap Ontario to Green Bay flights in June & July 2024

Find cheap flight options from Ontario to Green Bay specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
The lowest fares we've come across on flights traveling from Ontario to Green Bay in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 7/412:59 amONT - GRB
1 stop14h 34mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop19h 19mFrontier
Deal found 6/5$301
Fri 7/57:19 amONT - GRB
1 stop8h 14mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop7h 06mFrontier
Deal found 6/5$303
Thu 7/412:59 amONT - GRB
1 stop14h 34mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop19h 19mFrontier
Deal found 6/5$304
Tue 7/1612:59 amONT - GRB
1 stop9h 38mFrontier
Mon 7/224:04 pmGRB - ONT
1 stop9h 45mFrontier
Deal found 6/5$324
Tue 7/308:27 amONT - GRB
1 stop26h 10mFrontier
Fri 8/26:33 pmGRB - ONT
1 stop7h 06mFrontier
Deal found 6/5$328
Thu 6/612:44 amONT - GRB
1 stop14h 49mFrontier
Mon 6/104:03 pmGRB - ONT
1 stop17h 24mFrontier
Deal found 6/5$364
Tue 7/3011:23 amONT - GRB
1 stop10h 08mDelta
Fri 8/25:10 amGRB - ONT
1 stop7h 03mDelta
Deal found 6/6$397
Thu 7/1112:59 amONT - GRB
1 stop14h 34mFrontier
Mon 7/154:04 pmGRB - ONT
1 stop9h 45mFrontier
Deal found 6/6$412
Thu 7/1112:59 amONT - GRB
1 stop14h 34mFrontier
Mon 7/224:04 pmGRB - ONT
1 stop17h 23mFrontier
Deal found 6/5$436

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 3,050,429 searches. Data last updated June 6, 2024.
The lowest fares we've come across on flights traveling from Ontario to Green Bay in June and July 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 8/612:59 amONT - GRB
1 stop9h 38mFrontier
Wed 8/149:40 amGRB - ONT
1 stop11h 57mFrontier
Deal found 6/5$210
Fri 8/97:19 amONT - GRB
1 stop8h 14mFrontier
Wed 8/149:40 amGRB - ONT
1 stop11h 57mFrontier
Deal found 6/5$251
Tue 8/612:59 amONT - GRB
1 stop9h 38mFrontier
Fri 8/168:22 pmGRB - ONT
1 stop12h 08mFrontier
Deal found 6/5$300
Thu 7/412:59 amONT - GRB
1 stop14h 34mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop19h 19mFrontier
Deal found 6/5$301
Fri 7/57:19 amONT - GRB
1 stop8h 14mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop7h 06mFrontier
Deal found 6/5$303
Thu 7/412:59 amONT - GRB
1 stop14h 34mFrontier
Fri 7/126:33 pmGRB - ONT
1 stop19h 19mFrontier
Deal found 6/5$304
Fri 8/911:23 amONT - GRB
1 stop10h 08mDelta
Wed 8/144:16 pmGRB - ONT
2 stops9h 43mDelta
Deal found 6/5$312
Tue 7/1612:59 amONT - GRB
1 stop9h 38mFrontier
Mon 7/224:04 pmGRB - ONT
1 stop9h 45mFrontier
Deal found 6/5$324
Tue 7/308:27 amONT - GRB
1 stop26h 10mFrontier
Fri 8/26:33 pmGRB - ONT
1 stop7h 06mFrontier
Deal found 6/5$328

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 3,050,429 searches. Data last updated June 6, 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 6/129:24 amONT - GRB
2 stops10h 15mAmerican Airlines
Sun 6/1611:28 amGRB - ONT
2 stops9h 09mAmerican Airlines
Deal found 6/5$828
Fri 6/1411:59 pmONT - GRB
2 stops9h 04mAmerican Airlines
Sun 6/2311:28 amGRB - ONT
2 stops12h 41mAmerican Airlines
Deal found 6/5$878

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 3,050,429 searches. Data last updated June 6, 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.
Sun 7/712:59 amONT - GRB
1 stop12h 15mFrontier
Deal found 6/6$95
Tue 8/68:27 amONT - GRB
1 stop26h 10mFrontier
Deal found 6/6$101
Mon 7/157:19 amONT - GRB
1 stop5h 45mFrontier
Deal found 6/5$118
Fri 8/3011:23 amONT - GRB
1 stop10h 08mDelta
Deal found 6/5$138
Sun 7/1412:59 amONT - GRB
1 stop12h 05mFrontier
Deal found 6/5$146
Fri 6/147:13 amONT - GRB
1 stop8h 17mFrontier
Deal found 6/5$170
Mon 7/87:19 amONT - GRB
1 stop5h 55mFrontier
Deal found 6/6$175
Thu 6/1312:59 amONT - GRB
1 stop14h 31mFrontier
Deal found 6/5$176
Fri 8/3010:00 pmONT - GRB
2 stops10h 21mDelta
Deal found 6/5$204

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$210 - $402

Route

Depart

Return

Price

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Tue 8/6

1 stop9h 38m

Green Bay Austin-Straubel

Wed 8/14

1 stop11h 57m

$210

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Fri 8/9

1 stop8h 14m

Green Bay Austin-Straubel

Wed 8/14

1 stop11h 57m

$251

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Tue 8/6

1 stop9h 38m

Green Bay Austin-Straubel

Fri 8/16

1 stop12h 08m

$300

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Thu 7/4

1 stop14h 34m

Green Bay Austin-Straubel

Fri 7/12

1 stop19h 19m

$301

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Fri 7/5

1 stop8h 14m

Green Bay Austin-Straubel

Fri 7/12

1 stop7h 06m

$303

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Fri 8/9

1 stop10h 08m

Green Bay Austin-Straubel

Wed 8/14

2 stops9h 43m

$312

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Tue 8/6

1 stop10h 08m

Green Bay Austin-Straubel

Tue 8/13

2 stops9h 43m

$342

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Thu 8/8

2 stops16h 08m

Green Bay Austin-Straubel

Tue 8/13

2 stops10h 57m

$395

OntarioGreen Bay Austin-Straubel

ONT - GRB

ONTGRB

Ontario

Fri 8/30

2 stops16h 02m

Green Bay Austin-Straubel

Sun 9/1

2 stops7h 47m

$402

Flights are sorted by cheapest first

Deals found on 6/5

What is the cheapest day 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 June 2, 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. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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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.

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

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

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 June 6, 2024.
Read through reviews of airlines operating flights from Ontario to Green Bay, such as American Airlines, Frontier and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
10,368 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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
10,696 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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
14,227 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

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

Frontier
6.2
Okay
3,985 reviews
Delta
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Entertainment

8.0

Crew

8.6

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 $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Green Bay for under $300. The cheapest flight booked recently is on Frontier for just $210, but on average you can expect to pay $343.

  • Are there last-minute flights available from Ontario to Green Bay for under $900?

    There are currently 2+ open flights from Ontario to Green Bay within the next 7 days for less than $900.

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

    Frontier, at $210, was found to be the cheapest airline from Ontario to Green Bay.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from Ontario to Green Bay for 63% 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 Frontier. According to our data, you can fly for as low as $95. Users have also found prices from $138 and $276 on Delta and American Airlines, respectively.

  • 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 6/5.

  • 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 is the cheapest month to book a flight from Ontario to Green Bay?

    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 $506). 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.

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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 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$184Average$265FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$379Average$684FlexibilityNo cancel feeOn-time69%
DeltaCheapest$408Average$537FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$432Average$661FlexibilityNo cancel feeOn-time71%
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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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