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Uncover the best deals on Green Bay to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest GRB - ONT Flights
Useful information for finding best airline tickets from Austin Straubel International to Ontario International on your next trip.
Cheapest Round Trip Flight
$573
Delta Airlines
• 1 stop
• 12h 16m
Nov 01 – Nov 08
The cheapest round trip flight from Green Bay to Ontario (GRB-ONT-GRB) is currently $573
Fastest Flight
11h 55m
The fastest nonstop flight from Green Bay to Ontario (GRB-ONT) takes 11h 55m
Top Airlines Flying from Green Bay to Ontario
Latest Flight Deals from Green Bay (GRB) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Green Bay to Ontario. Ideal for travelers with confirmed return itineraries.
Nov 01 - Nov 08, Economy
Green Bay → Ontario
12h 16m
5:30 AM - 11:06 AM • 1 stop
Green Bay → Ontario
13h 31m
6:00 AM - 4:11 PM • 1 stop
Delta Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
11h 55m
1:32 PM - 6:47 PM • 1 stop
Green Bay → Ontario
10h 39m
6:00 AM - 2:39 PM • 1 stop
United Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
18h 26m
2:40 PM - 11:46 PM • 2 stops
Green Bay → Ontario
11h 56m
10:43 AM - 7:59 PM • 1 stop
American Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
17h 20m
10:02 AM - 6:42 PM • 2 stops
Green Bay → Ontario
11h 56m
10:43 AM - 7:59 PM • 1 stop
American Airlines
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Green Bay to Ontario, ideal for urgent plans or spontaneous trips.
Nov 01 - Nov 08, Economy
Green Bay → Ontario
12h 16m
5:30 AM - 11:06 AM • 1 stop
Green Bay → Ontario
13h 31m
6:00 AM - 4:11 PM • 1 stop
Delta Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
11h 55m
1:32 PM - 6:47 PM • 1 stop
Green Bay → Ontario
10h 39m
6:00 AM - 2:39 PM • 1 stop
United Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
18h 26m
2:40 PM - 11:46 PM • 2 stops
Green Bay → Ontario
11h 56m
10:43 AM - 7:59 PM • 1 stop
American Airlines
Nov 01 - Nov 08, Economy
Green Bay → Ontario
17h 20m
10:02 AM - 6:42 PM • 2 stops
Green Bay → Ontario
11h 56m
10:43 AM - 7:59 PM • 1 stop
American Airlines
FAQs on Green Bay to Ontario Flights
What are the airports in Green Bay?
GRB
What’s the most popular airline flying from GRB to ONT?
The most popular airline flying from Green Bay to Ontario are
Can I fly from GRB to ONT non-stop?
NO
Which airlines fly nonstop between Green Bay and Ontario?
The non-stop flights between Green Bay and Ontario are .
What’s the earliest departure time from GRB to ONT Airport?
The earliest flight leaves GRB at 5:30 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Green Bay to Ontario 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 GRB to ONT?
Read the fare rules of the Green Bay to Ontario 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 Green Bay and Ontario?
operate flights between Green Bay and Ontario
How long does a flight from Green Bay to Ontario take?
It takes approximately 4 hour to fly non-stop from GRB to ONT, which is 1723.9 miles by air.
Which airlines provide the cheapest flights from Green Bay (GRB) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from GRB were found on AA : USD 731
Do I need a passport to fly between GRB and ONT?
No
What’s the latest departure time from GRB to ONT ?
The last flight leaves GRB at 2:40 pm
Green Bay (GRB) to Ontario (ONT): Airport Information
| Origin Airport | Austin Straubel International , Green Bay, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 1724 miles |
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