What is the cheapest airline that flies from Green Bay Austin-Straubel to Ontario?

Frontier and United Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Ontario

What airlines fly to Ontario?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Green Bay according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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 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.

$224 Cheap Flights from Green Bay to Ontario in 2025

1 adult

0 bags

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Find the cheapest flights from Green Bay to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

5:31 am - 10:35 amGRB-ONT

7h 04m1 stop

10:00 pm - 10:27 amONT-GRB

10h 27m2 stops

$359Delta

Find Deal

Thu, Aug 21 - Sun, Aug 24

3:51 pm - 10:31 pmGRB-ONT

8h 40m1 stop

7:00 am - 3:10 pmONT-GRB

6h 10m1 stop

$379United Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 16

1:20 pm - 10:45 pmGRB-ONT

11h 25m2 stops

7:00 am - 3:10 pmONT-GRB

6h 10m1 stop

$384United Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 16

5:30 pm - 10:30 pmGRB-ONT

7h 00m1 stop

7:00 am - 3:09 pmONT-GRB

6h 09m1 stop

$404United Airlines

Find Deal

Thu, Aug 21 - Sun, Aug 24

10:46 am - 8:17 pmGRB-ONT

11h 31m2 stops

7:00 am - 4:46 pmONT-GRB

7h 46m1 stop

$409United Airlines

Find Deal

Sat, Nov 22 - Fri, Nov 28

5:11 pm - 11:40 pmGRB-ONT

8h 29m2 stops

10:00 pm - 10:27 amONT-GRB

10h 27m2 stops

$414Delta

Find Deal

Thu, Aug 21 - Sun, Aug 24

5:23 pm - 10:06 pmGRB-ONT

6h 43m1 stop

7:00 am - 4:48 pmONT-GRB

7h 48m1 stop

$429United Airlines

Find Deal

Thu, Aug 7 - Sun, Aug 10

3:49 pm - 10:06 pmGRB-ONT

8h 17m1 stop

6:39 pm - 10:11 amONT-GRB

13h 32m2 stops

$434United Airlines

Find Deal

Thu, Aug 7 - Mon, Aug 11

5:24 pm - 10:26 pmGRB-ONT

7h 02m1 stop

7:00 am - 4:46 pmONT-GRB

7h 46m1 stop

$457United Airlines

Find Deal

Thu, Dec 11 - Tue, Dec 16

5:30 pm - 10:30 pmGRB-ONT

7h 00m1 stop

7:00 am - 4:49 pmONT-GRB

7h 49m1 stop

$460United Airlines

Find Deal

Thu, Sep 18 - Sun, Sep 21

Delta flights from Green Bay to Ontario

Our best Delta deals on Green Bay to Ontario flight tickets

Delta

Aug 21

GRB5:31 amGreen Bay Austin-Straubel

7h 04m

1 stop

ONT10:35 amOntario

Aug 24

ONT10:00 pmOntario

10h 27m

2 stops

GRB10:27 amGreen Bay Austin-Straubel

$359

Find similar

Delta

Aug 21

GRB5:11 pmGreen Bay Austin-Straubel

8h 29m

2 stops

ONT11:40 pmOntario

Aug 24

ONT10:00 pmOntario

10h 27m

2 stops

GRB10:27 amGreen Bay Austin-Straubel

$414

Find similar

Delta

Jul 10

GRB4:21 pmGreen Bay Austin-Straubel

9h 21m

2 stops

ONT11:42 pmOntario

Jul 14

ONT11:40 amOntario

9h 42m

1 stop

GRB11:22 pmGreen Bay Austin-Straubel

$494

Find similar

United Airlines flights from Green Bay to Ontario

Our best United Airlines deals on Green Bay to Ontario flight tickets

United Airlines

Nov 7

GRB3:51 pmGreen Bay Austin-Straubel

8h 40m

1 stop

ONT10:31 pmOntario

Nov 16

ONT7:00 amOntario

6h 10m

1 stop

GRB3:10 pmGreen Bay Austin-Straubel

$379

Find similar

United Airlines

Nov 7

GRB1:20 pmGreen Bay Austin-Straubel

11h 25m

2 stops

ONT10:45 pmOntario

Nov 16

ONT7:00 amOntario

6h 10m

1 stop

GRB3:10 pmGreen Bay Austin-Straubel

$384

Find similar

United Airlines

Aug 21

GRB5:30 pmGreen Bay Austin-Straubel

7h 00m

1 stop

ONT10:30 pmOntario

Aug 24

ONT7:00 amOntario

6h 09m

1 stop

GRB3:09 pmGreen Bay Austin-Straubel

$404

Find similar

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

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $487. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Green Bay to Ontario for around $598.

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

Best Price Found	$280
Fastest flight time	5h 57m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Green Bay in the past 72 hours is $280. The best round-trip flight deal from Green Bay to Ontario found on momondo in the last 72 hours is $359.

The fastest flight from Green Bay to Ontario takes 5h 57m

There are no direct flights from Green Bay to Ontario. Popular non-direct route for this connection is Green Bay Austin-Straubel Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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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 43m 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 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.

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.