GRB - ONT

$220 Find Cheap Flights from Green Bay to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Green Bay to Ontario departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to Ontario, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Green Bay to Ontario (GRB-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Green Bay to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Green Bay to Ontario

Thu, Aug 21 - Sun, Aug 24
Delta Logo
5:31 am - 10:35 amGRB-ONT
7h 04m1 stop
Delta Logo
10:00 pm - 10:27 amONT-GRB
10h 27m2 stops
$359Delta
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Fri, Nov 7 - Sun, Nov 16
United Airlines Logo
3:51 pm - 10:31 pmGRB-ONT
8h 40m1 stop
United Airlines Logo
7:00 am - 4:46 pmONT-GRB
7h 46m1 stop
$379United Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
United Airlines Logo
5:30 pm - 10:30 pmGRB-ONT
7h 00m1 stop
United Airlines Logo
7:00 am - 3:09 pmONT-GRB
6h 09m1 stop
$404United Airlines
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Fri, Nov 7 - Sun, Nov 16
United Airlines Logo
1:20 pm - 10:45 pmGRB-ONT
11h 25m2 stops
United Airlines Logo
7:00 am - 4:46 pmONT-GRB
7h 46m1 stop
$409United Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Delta Logo
5:11 pm - 11:40 pmGRB-ONT
8h 29m2 stops
Delta Logo
10:00 pm - 10:27 amONT-GRB
10h 27m2 stops
$414Delta
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Sun, Jun 29 - Thu, Jul 3
United Airlines Logo
3:49 pm - 10:11 pmGRB-ONT
8h 22m1 stop
United Airlines Logo
6:39 pm - 10:11 amONT-GRB
13h 32m2 stops
$487United Airlines
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Fri, Oct 10 - Mon, Oct 13
United Airlines Logo
2:40 pm - 10:30 pmGRB-ONT
9h 50m1 stop
United Airlines Logo
6:36 pm - 2:04 pmONT-GRB
17h 28m2 stops
$497United Airlines
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Fri, Oct 10 - Mon, Oct 13
United Airlines Logo
2:40 pm - 10:30 pmGRB-ONT
9h 50m1 stop
United Airlines Logo
7:02 am - 4:50 pmONT-GRB
7h 48m1 stop
$548United Airlines
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Thu, Jul 3 - Sun, Jul 6
United Airlines Logo
3:54 pm - 10:06 pmGRB-ONT
8h 12m1 stop
United Airlines Logo
7:00 am - 3:11 pmONT-GRB
6h 11m1 stop
$578United Airlines
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Sun, Jul 13 - Sun, Jul 20
American Airlines Logo
6:20 am - 6:08 pmGRB-ONT
13h 48m2 stops
American Airlines Logo
7:05 pm - 9:21 amONT-GRB
12h 16m2 stops
$691American Airlines
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KAYAK's insights & trends for Green Bay to Ontario flights

Get data-powered insights and trends into flights from Green Bay to Ontario to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Green Bay to Ontario?

The average price of all round-trip flights from Green Bay to Ontario clicked on KAYAK for each day over the last 12 months.

For Green Bay to Ontario, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Ontario back to Green Bay, the best deals are generally found on Tuesday, with Sunday being the most expensive.

Find deals

Good to know

Low seasonAugust
High seasonApril
Cheapest flight$220
Best time to beat the crowds with an average 45% drop in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Green Bay to Ontario

When to book flights from Green Bay to Ontario

Are your dates flexible? Find out the best times to travel from Green Bay to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Green Bay to Ontario

  • What is the cheapest flight from Green Bay to Ontario?

    In the last 3 days, the lowest price for a flight from Green Bay to Ontario was $220 for a one-way ticket and $359 for a round-trip.

  • Do I need a passport to fly between Green Bay and Ontario?

    No

  • Which aircraft models fly most regularly from Green Bay to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Green Bay to Ontario?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Green Bay and Ontario, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Green Bay to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Green Bay to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Green Bay to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Green Bay is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Green Bay to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Green Bay with another airline. Booking your flights between Green Bay and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Green Bay to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Green Bay up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Green Bay to Ontario

Information on your arrival and departure airports

Green Bay (GRB)
Ontario (ONT)

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