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Cheap flights from Green Bay to Los Angeles from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Los Angeles departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Green Bay to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 11:04 am
GRB
-
ONT
7h 34m
1 stop
Delta Logo
12:00 pm - 9:58 pm
ONT
-
GRB
7h 58m
1 stop
$335Delta
Sat, Aug 22 - Sat, Aug 29
Delta Logo
5:30 am - 11:04 am
GRB
-
ONT
7h 34m
1 stop
Delta Logo
12:00 pm - 9:58 pm
ONT
-
GRB
7h 58m
1 stop
$352Delta
Sat, Aug 22 - Sun, Aug 30
Delta Logo
5:30 am - 11:04 am
GRB
-
ONT
7h 34m
1 stop
Delta Logo
12:00 pm - 9:58 pm
ONT
-
GRB
7h 58m
1 stop
$377Delta
Sat, Aug 22 - Fri, Aug 28
Delta Logo
5:15 am - 11:36 am
GRB
-
ONT
8h 21m
1 stop
Delta Logo
12:49 pm - 11:01 pm
ONT
-
GRB
8h 12m
1 stop
$394Delta
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
5:30 pm - 10:51 pm
GRB
-
ONT
7h 21m
1 stop
United Airlines Logo
5:45 am - 7:10 pm
ONT
-
GRB
11h 25m
2 stops
$396United Airlines
Wed, Jul 22 - Sat, Aug 1
Delta Logo
5:30 am - 11:04 am
GRB
-
ONT
7h 34m
1 stop
Delta Logo
12:00 pm - 9:58 pm
ONT
-
GRB
7h 58m
1 stop
$407Delta
Sat, Aug 22 - Thu, Aug 27
Delta Logo
5:30 am - 11:04 am
GRB
-
ONT
7h 34m
1 stop
Delta Logo
12:00 pm - 9:58 pm
ONT
-
GRB
7h 58m
1 stop
$431Delta
Sun, Aug 23 - Sat, Aug 29
Delta Logo
5:15 am - 11:36 am
GRB
-
ONT
8h 21m
1 stop
Delta Logo
12:49 pm - 11:01 pm
ONT
-
GRB
8h 12m
1 stop
$433Delta
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
5:35 pm - 10:35 pm
GRB
-
ONT
7h 00m
1 stop
United Airlines Logo
7:00 am - 3:10 pm
ONT
-
GRB
6h 10m
1 stop
$435United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
10:40 am - 6:01 pm
GRB
-
ONT
9h 21m
1 stop
United Airlines Logo
6:59 pm - 10:00 am
ONT
-
GRB
13h 01m
2 stops
$440United Airlines
Sat, May 9 - Tue, May 12

United Airlines flights from Green Bay to Ontario

Our best United Airlines deals on Green Bay to Ontario flight tickets
United Airlines
Jul 22
GRB5:30 pmGreen Bay Austin-Straubel
7h 21m
1 stop
ONT10:51 pmOntario
Aug 1
ONT5:45 amOntario
11h 25m
2 stops
GRB7:10 pmGreen Bay Austin-Straubel
$396
United Airlines
May 5
GRB5:35 pmGreen Bay Austin-Straubel
7h 00m
1 stop
ONT10:35 pmOntario
May 9
ONT7:00 amOntario
6h 10m
1 stop
GRB3:10 pmGreen Bay Austin-Straubel
$435
United Airlines
May 9
GRB10:40 amGreen Bay Austin-Straubel
9h 21m
1 stop
ONT6:01 pmOntario
May 12
ONT6:59 pmOntario
13h 01m
2 stops
GRB10:00 amGreen Bay Austin-Straubel
$440

Delta flights from Green Bay to Ontario

Our best Delta deals on Green Bay to Ontario flight tickets
Delta
Aug 22
GRB5:30 amGreen Bay Austin-Straubel
7h 34m
1 stop
ONT11:04 amOntario
Aug 29
ONT12:00 pmOntario
7h 58m
1 stop
GRB9:58 pmGreen Bay Austin-Straubel
$335
Delta
Aug 22
GRB5:30 amGreen Bay Austin-Straubel
7h 34m
1 stop
ONT11:04 amOntario
Aug 30
ONT12:00 pmOntario
7h 58m
1 stop
GRB9:58 pmGreen Bay Austin-Straubel
$352
Delta
Aug 22
GRB5:30 amGreen Bay Austin-Straubel
7h 34m
1 stop
ONT11:04 amOntario
Aug 28
ONT12:00 pmOntario
7h 58m
1 stop
GRB9:58 pmGreen Bay Austin-Straubel
$377

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated April 5, 2026.
Use the filters below to find and compare flights from Green Bay to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sat 8/22

5:30 am-11:04 am

1 stop7h 34m

Ontario

Sat 8/29

12:00 pm-9:58 pm

1 stop7h 58m

$335

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sat 8/22

5:30 am-11:04 am

1 stop7h 34m

Ontario

Sun 8/30

12:00 pm-9:58 pm

1 stop7h 58m

$352

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sat 8/22

5:30 am-11:04 am

1 stop7h 34m

Ontario

Fri 8/28

12:00 pm-9:58 pm

1 stop7h 58m

$377

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Wed 4/15

5:15 am-11:36 am

1 stop8h 21m

Ontario

Wed 4/22

12:49 pm-11:01 pm

1 stop8h 12m

$394

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Wed 7/22

5:30 pm-10:51 pm

1 stop7h 21m

Ontario

Sat 8/1

5:45 am-7:10 pm

2 stops11h 25m

$396

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sat 8/22

5:30 am-11:04 am

1 stop7h 34m

Ontario

Thu 8/27

12:00 pm-9:58 pm

1 stop7h 58m

$407

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sun 8/23

5:30 am-11:04 am

1 stop7h 34m

Ontario

Sat 8/29

12:00 pm-9:58 pm

1 stop7h 58m

$431

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Wed 4/15

5:15 am-11:36 am

1 stop8h 21m

Ontario

Wed 4/22

12:49 pm-11:01 pm

1 stop8h 12m

$433
Quickest round-trip

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 5/5

5:35 pm-10:35 pm

1 stop7h 00m

Ontario

Sat 5/9

7:00 am-3:10 pm

1 stop6h 10m

$435

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Sat 5/9

10:40 am-6:01 pm

1 stop9h 21m

Ontario

Tue 5/12

6:59 pm-10:00 am

2 stops13h 01m

$440

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Green Bay to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Green Bay and Ontario?

Can stopping save me money on Green Bay to Ontario flights?

You could potentially save up to 12% on your flight if you consider stops on a Green Bay to Ontario flight.

When to book flights from Green Bay to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Ontario (GRB to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Ontario

Fastest flight time

6h 51m

Direct flights

None
The fastest flight from Green Bay to Ontario takes 6h 51m
There are no direct flights from Green Bay to Ontario. There are no popular flight routes from Green Bay to Ontario.
Search flight deals

Frequently asked questions about flying from Green Bay to Ontario

  • How far is Green Bay Austin-Straubel to Ontario by plane?

    The straight-line distance from Green Bay Austin-Straubel to Ontario is 1727.6 mi. Typically, this will take 6h 51m by plane in normal conditions.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Ontario Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Ontario Airport?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Green Bay to Ontario?

Best airlines flying from Green Bay to Ontario

Compare and see reviews for airlines that fly from Green Bay to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,545 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Ontario?

It is quick and easy to find Green Bay to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Green Bay to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Green Bay with this policy.

How can momondo help me find flights from Green Bay to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Green Bay to Ontario.

I’m not ready to book a flight from Green Bay to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Green Bay to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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