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

ONT — GRB
Nov 28 — Dec 51

What is the cheapest day to fly round-trip from Ontario to Green Bay?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 123% 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 57 days before your planned departure. Booking around this time can save you about 18% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $718 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $780.

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

February is one of the best times of the year to fly to Green Bay from Ontario. Prices for February average $655 per person but you can even find prices for as low as $311. The most expensive prices can be found in the month of July. Opting for a February flight can save you 33% on your journey compared to booking in July

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 afternoon could potentially save you up to 52% on airfare.

Cheap flights from Ontario to Green Bay in November, December 2022

The best prices found for ONT to GRB flights for November, December
Dec 12 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

10h 13m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$213

Frontier

Pick Dates

Deal found 11/21

Dec 15 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

27h 19m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$234

Frontier

Pick Dates

Deal found 11/21

Dec 16 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

9h 18m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$244

Frontier

Pick Dates

Deal found 11/21

Ontario to Green Bay 2022 flight deals

Cheap flights to Green Bay from Ontario found for this year
Dec 12 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

10h 13m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$213

Frontier

Pick Dates

Deal found 11/21

Dec 15 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

27h 19m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$234

Frontier

Pick Dates

Deal found 11/21

Dec 16 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

9h 18m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$244

Frontier

Pick Dates

Deal found 11/21

Cheap American Airlines flights from Ontario to Green Bay

Dec 3 - Dec 14
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

13h 32m
GRB

Green Bay Austin-Straubel

ONT

Ontario

2 stops

12h 07m
$575

American Airlines

Pick Dates

Deal found 11/23

Dec 20 - Jan 7
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

9h 39m
GRB

Green Bay Austin-Straubel

ONT

Ontario

2 stops

9h 05m
$647

American Airlines

Pick Dates

Deal found 11/21

Nov 28 - Dec 1
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

13h 39m
GRB

Green Bay Austin-Straubel

ONT

Ontario

2 stops

9h 52m
$971

American Airlines

Pick Dates

Deal found 11/21

Cheap Frontier flights from Ontario to Green Bay

Dec 12 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

10h 13m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$213

Frontier

Pick Dates

Deal found 11/21

Dec 15 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

27h 19m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$234

Frontier

Pick Dates

Deal found 11/21

Dec 16 - Dec 19
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

9h 18m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

19h 11m
$244

Frontier

Pick Dates

Deal found 11/21

Last minute flights from Ontario to Green Bay

Late deals on return flights to Green Bay from Ontario, departing today and this week
Nov 28 - Dec 1
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

7h 00m
GRB

Green Bay Austin-Straubel

ONT

Ontario

2 stops

8h 33m
$968

Multiple Airlines

Pick Dates

Deal found 11/21

Nov 28 - Dec 1
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

13h 39m
GRB

Green Bay Austin-Straubel

ONT

Ontario

2 stops

9h 52m
$971

American Airlines

Pick Dates

Deal found 11/21

Nov 28 - Dec 1
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

7h 00m
GRB

Green Bay Austin-Straubel

ONT

Ontario

1 stop

8h 30m
$2,238

Delta

Pick Dates

Deal found 11/21

One-way flights to Green Bay from Ontario

The cheapest one-way flights from Ontario to Green Bay
Dec 16
ONT

Ontario

GRB

Green Bay Austin-Straubel

1 stop

9h 18m
$136

Frontier

Pick Dates

Deal found 11/21

Dec 18
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

23h 10m
$413

American Airlines

Pick Dates

Deal found 11/22

Apr 30
ONT

Ontario

GRB

Green Bay Austin-Straubel

2 stops

8h 54m
$464

American Airlines

Pick Dates

Deal found 11/21

Related info for your journey

Useful info, stats and facts about Ontario to Green Bay flights.

Which airlines flying from Ontario to Green Bay Austin-Straubel have flexible cancellations due to COVID-19?

Frontier, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 $213, but on average you can expect to pay $324.

Are there last-minute flights available from Ontario to Green Bay for under $1,000?

There are currently 3+ open flights from Ontario to Green Bay within the next 7 days for less than $1,000.

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 $136. Users have also found prices from $413 and $527 on American Airlines and Delta, 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 are the cheapest flights from Ontario to Green Bay?

While on average a flight from Ontario to Green Bay is generally $1,343, our data shows the cheapest flight currently is $563. When looking at the most popular route, (Ontario - Green Bay Austin-Straubel), you can expect to pay $168 for that flight.

Alternative routes for Ontario to Green Bay

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

Top 4 airlines flying from Ontario to Green Bay

The chart below displays the airlines Cheapflights users traveling from Ontario to Green Bay choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$205Average$440FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$339Average$749FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
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American AirlinesCheapest$349Average$540FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$415Average$1,154FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights