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Uncover the best deals on Ontario to Green Bay flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - GRB Flights
Useful information for finding best airline tickets from Ontario International to Austin Straubel International on your next trip.
Cheapest Round Trip Flight
$332
United Airlines
• 2 stops
• 14h 14m
Oct 09 – Oct 12
The cheapest round trip flight from Ontario to Green Bay (ONT-GRB-ONT) is currently $332
Fastest Flight
10h 18m
The fastest nonstop flight from Ontario to Green Bay (ONT-GRB) takes 10h 18m
Top Airlines Flying from Ontario to Green Bay
Latest Flight Deals from Ontario (ONT) to Green Bay (GRB)
Compare and book low fare round-trip air tickets from Ontario to Green Bay. Ideal for travelers with confirmed return itineraries.
Oct 09 - Oct 12, Economy
Ontario → Green Bay
14h 14m
6:00 AM - 4:54 PM • 2 stops
Ontario → Green Bay
15h 7m
3:42 PM - 10:49 PM • 1 stop
United Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
15h 54m
5:00 AM - 4:54 PM • 2 stops
Ontario → Green Bay
15h 7m
3:42 PM - 10:49 PM • 1 stop
United Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
13h 57m
1:35 PM - 12:12 AM • 1 stop
Ontario → Green Bay
23h 54m
8:04 PM - 8:38 AM • 1 stop
American Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
13h 31m
12:16 PM - 10:27 PM • 1 stop
Ontario → Green Bay
12h 16m
5:30 AM - 11:06 AM • 1 stop
Delta Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
10h 18m
12:45 PM - 9:03 PM • 1 stop
Ontario → Green Bay
13h 43m
5:00 AM - 11:23 AM • 1 stop
United Airlines
Flying to Green Bay soon? We've surfaced some of the most affordable last-minute flights from Ontario to Green Bay, ideal for urgent plans or spontaneous trips.
Oct 09 - Oct 12, Economy
Ontario → Green Bay
14h 14m
6:00 AM - 4:54 PM • 2 stops
Ontario → Green Bay
15h 7m
3:42 PM - 10:49 PM • 1 stop
United Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
15h 54m
5:00 AM - 4:54 PM • 2 stops
Ontario → Green Bay
15h 7m
3:42 PM - 10:49 PM • 1 stop
United Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
13h 57m
1:35 PM - 12:12 AM • 1 stop
Ontario → Green Bay
23h 54m
8:04 PM - 8:38 AM • 1 stop
American Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
13h 31m
12:16 PM - 10:27 PM • 1 stop
Ontario → Green Bay
12h 16m
5:30 AM - 11:06 AM • 1 stop
Delta Airlines
Oct 09 - Oct 12, Economy
Ontario → Green Bay
10h 18m
12:45 PM - 9:03 PM • 1 stop
Ontario → Green Bay
13h 43m
5:00 AM - 11:23 AM • 1 stop
United Airlines
FAQs on Ontario to Green Bay Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to GRB?
The most popular airline flying from Ontario to Green Bay are
Can I fly from ONT to GRB non-stop?
NO
Which airlines fly nonstop between Ontario and Green Bay?
The non-stop flights between Ontario and Green Bay are .
What’s the earliest departure time from ONT to GRB Airport?
The earliest flight leaves ONT at 5:00 am and lands in GRB - Austin Straubel International
What are the airports in Green Bay?
GRB
Can I make changes to my Ontario to Green Bay flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to GRB?
Read the fare rules of the Ontario to Green Bay air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Green Bay?
operate flights between Ontario and Green Bay
How long does a flight from Ontario to Green Bay take?
It takes approximately 4 hour to fly non-stop from ONT to GRB, which is 1723.9 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Green Bay (GRB) ?
In the past couple of days, the cheapest tickets to GRB from ONT were found on UA : USD 332
Do I need a passport to fly between ONT and GRB?
No
What’s the latest departure time from ONT to GRB ?
The last flight leaves ONT at 1:35 pm
Ontario (ONT) to Green Bay (GRB): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Austin Straubel International , Green Bay, US |
| Distance | 1724 miles |
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