Cheap Flight Tickets from Green Bay (GRB) to Ontario (ONT), Starting at $348

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

$348

DL Delta Airlines • 1 stop • 12h 10m

Jul 02 – Jul 09

The cheapest round trip flight from Green Bay to Ontario (GRB-ONT-GRB) is currently $348

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Fastest Flight

12h 10m

The fastest nonstop flight from Green Bay to Ontario (GRB-ONT) takes 12h 10m

Top Airlines Flying from Green Bay to Ontario

Delta Airline, DL

Delta Airlines

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.

Jul 02 - Jul 09, Economy
DL
Green Bay → Ontario
12h 10m
5:10 AM - 10:40 AM • 1 stop
DL
Green Bay → Ontario
11h 56m
6:15 AM - 3:31 PM • 1 stop
$348
Delta Airlines
Jul 02 - Jul 09, Economy
DL
Green Bay → Ontario
21h 44m
6:15 AM - 5:19 PM • 2 stops
DL
Green Bay → Ontario
15h 37m
5:30 AM - 5:07 PM • 1 stop
$352
Delta Airlines
Jul 02 - Jul 09, Economy
DL
Green Bay → Ontario
12h 35m
6:15 AM - 12:10 PM • 2 stops
DL
Green Bay → Ontario
15h 37m
5:30 AM - 5:07 PM • 1 stop
$352
Delta Airlines

Fly from Green Bay to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Green Bay to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

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 5:10 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 DL : USD 352
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 6:15 am

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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