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Cheap flights from Green Bay to Los Angeles from $256

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 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 - 11:27 am
GRB
-
ONT
7h 57m
1 stop
Delta Logo
12:00 pm - 9:57 pm
ONT
-
GRB
7h 57m
1 stop
$349Delta
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
3:46 pm - 10:51 pm
GRB
-
ONT
9h 05m
1 stop
United Airlines Logo
5:45 am - 7:11 pm
ONT
-
GRB
11h 26m
2 stops
$454United Airlines
Tue, Jun 9 - Sat, Jun 13
United Airlines Logo
3:46 pm - 10:51 pm
GRB
-
ONT
9h 05m
1 stop
United Airlines Logo
6:05 am - 4:51 pm
ONT
-
GRB
8h 46m
1 stop
$479United Airlines
Tue, Jun 9 - Sat, Jun 13
Delta Logo
5:30 am - 11:27 am
GRB
-
ONT
7h 57m
1 stop
Delta Logo
12:00 pm - 9:57 pm
ONT
-
GRB
7h 57m
1 stop
$485Delta
Tue, Nov 10 - Sun, Nov 15
United Airlines Logo
5:05 pm - 10:35 pm
GRB
-
ONT
7h 30m
1 stop
United Airlines Logo
5:00 am - 11:19 pm
ONT
-
GRB
16h 19m
2 stops
$507United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
5:05 pm - 10:35 pm
GRB
-
ONT
7h 30m
1 stop
United Airlines Logo
7:00 am - 3:24 pm
ONT
-
GRB
6h 24m
1 stop
$508United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
11:45 am - 8:01 pm
GRB
-
ONT
10h 16m
2 stops
United Airlines Logo
5:00 am - 11:19 pm
ONT
-
GRB
16h 19m
2 stops
$513United Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
12:59 pm - 10:36 pm
GRB
-
ONT
11h 37m
2 stops
American Airlines Logo
10:22 am - 12:10 am
ONT
-
GRB
11h 48m
2 stops
$515American Airlines
Tue, Jun 9 - Sat, Jun 13
American Airlines Logo
1:01 pm - 10:34 pm
GRB
-
ONT
11h 33m
2 stops
American Airlines Logo
11:59 pm - 12:31 pm
ONT
-
GRB
10h 32m
2 stops
$520American Airlines
Thu, Jul 9 - Tue, Jul 14
United Airlines Logo
12:34 pm - 10:37 pm
GRB
-
ONT
12h 03m
2 stops
United Airlines Logo
1:50 pm - 10:01 am
ONT
-
GRB
18h 11m
2 stops
$543United Airlines
Thu, Jul 2 - Tue, Jul 7

United Airlines flights from Green Bay to Ontario

Our best United Airlines deals on Green Bay to Ontario flight tickets
United Airlines
Jun 9
GRB3:46 pmGreen Bay Austin-Straubel
9h 05m
1 stop
ONT10:51 pmOntario
Jun 13
ONT5:45 amOntario
11h 26m
2 stops
GRB7:11 pmGreen Bay Austin-Straubel
$454
United Airlines
Jun 9
GRB3:46 pmGreen Bay Austin-Straubel
9h 05m
1 stop
ONT10:51 pmOntario
Jun 13
ONT6:05 amOntario
8h 46m
1 stop
GRB4:51 pmGreen Bay Austin-Straubel
$479
United Airlines
Aug 25
GRB5:05 pmGreen Bay Austin-Straubel
7h 30m
1 stop
ONT10:35 pmOntario
Aug 29
ONT5:00 amOntario
16h 19m
2 stops
GRB11:19 pmGreen Bay Austin-Straubel
$507

American Airlines flights from Green Bay to Ontario

Our best American Airlines deals on Green Bay to Ontario flight tickets
American Airlines
Jun 9
GRB12:59 pmGreen Bay Austin-Straubel
11h 37m
2 stops
ONT10:36 pmOntario
Jun 13
ONT10:22 amOntario
11h 48m
2 stops
GRB12:10 amGreen Bay Austin-Straubel
$515
American Airlines
Jul 9
GRB1:01 pmGreen Bay Austin-Straubel
11h 33m
2 stops
ONT10:34 pmOntario
Jul 14
ONT11:59 pmOntario
10h 32m
2 stops
GRB12:31 pmGreen Bay Austin-Straubel
$520
American Airlines
Jul 29
GRB1:01 pmGreen Bay Austin-Straubel
11h 31m
2 stops
ONT10:32 pmOntario
Aug 18
ONT12:59 pmOntario
9h 17m
2 stops
GRB12:16 amGreen Bay Austin-Straubel
$633

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 May 29, 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

Tue 11/10

5:30 am-11:27 am

1 stop7h 57m

Ontario

Sat 11/14

12:00 pm-9:57 pm

1 stop7h 57m

$349

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 6/9

3:46 pm-10:51 pm

1 stop9h 05m

Ontario

Sat 6/13

5:45 am-7:11 pm

2 stops11h 26m

$454

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 6/9

3:46 pm-10:51 pm

1 stop9h 05m

Ontario

Sat 6/13

6:05 am-4:51 pm

1 stop8h 46m

$479

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 11/10

5:30 am-11:27 am

1 stop7h 57m

Ontario

Sun 11/15

12:00 pm-9:57 pm

1 stop7h 57m

$485

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 8/25

5:05 pm-10:35 pm

1 stop7h 30m

Ontario

Sat 8/29

5:00 am-11:19 pm

2 stops16h 19m

$507
Quickest round-trip

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 8/25

5:05 pm-10:35 pm

1 stop7h 30m

Ontario

Sat 8/29

7:00 am-3:24 pm

1 stop6h 24m

$508

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 8/25

11:45 am-8:01 pm

2 stops10h 16m

Ontario

Sat 8/29

5:00 am-11:19 pm

2 stops16h 19m

$513

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Tue 6/9

12:59 pm-10:36 pm

2 stops11h 37m

Ontario

Sat 6/13

10:22 am-12:10 am

2 stops11h 48m

$515

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Thu 7/9

1:01 pm-10:34 pm

2 stops11h 33m

Ontario

Tue 7/14

11:59 pm-12:31 pm

2 stops10h 32m

$520

Green BayOntario

GRB - ONT

GRBONT

Green Bay Austin-Straubel

Thu 7/2

12:34 pm-10:37 pm

2 stops12h 03m

Ontario

Tue 7/7

1:50 pm-10:01 am

2 stops18h 11m

$543

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 cheapest month to fly to Ontario?

In general, August is the cheapest month to fly from Green Bay to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of August, then book flights to Ontario from Green Bay during January instead. Flights to Ontario in January, while not as cheap as those in August, still average around $0.

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

You could potentially save up to 3% 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

7h 30m

Direct flights

None
The fastest flight from Green Bay to Ontario takes 7h 30m
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 7h 30m 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
9,762 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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