GRB - ONT

$159 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 9/10. 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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Booking Insights
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

Wed, Nov 19 - Sun, Nov 23
American Airlines Logo
11:06 am - 6:20 pmGRB-ONT
9h 14m2 stops
American Airlines Logo
11:59 pm - 2:40 pmONT-GRB
12h 41m2 stops
$299American Airlines
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Fri, Nov 7 - Sun, Nov 16
United Airlines Logo
5:22 pm - 10:31 pmGRB-ONT
7h 09m1 stop
United Airlines Logo
7:00 am - 4:46 pmONT-GRB
7h 46m1 stop
$379United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
5:34 am - 10:42 amGRB-ONT
7h 08m1 stop
Delta Logo
11:55 am - 11:00 pmONT-GRB
9h 05m1 stop
$404Delta
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Sat, Sep 27 - Wed, Oct 1
Delta Logo
5:34 am - 10:42 amGRB-ONT
7h 08m1 stop
Delta Logo
11:55 am - 11:00 pmONT-GRB
9h 05m1 stop
$418Delta
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
11:11 am - 10:33 pmGRB-ONT
13h 22m2 stops
American Airlines Logo
6:10 am - 9:18 amONT-GRB
25h 08m2 stops
$437American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
1:20 pm - 6:06 pmGRB-ONT
6h 46m1 stop
United Airlines Logo
5:05 am - 10:40 pmONT-GRB
15h 35m2 stops
$453United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
1:20 pm - 10:52 pmGRB-ONT
11h 32m2 stops
United Airlines Logo
5:05 am - 10:40 pmONT-GRB
15h 35m2 stops
$458United Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
United Airlines Logo
5:25 pm - 10:30 pmGRB-ONT
7h 05m1 stop
United Airlines Logo
7:02 am - 4:50 pmONT-GRB
7h 48m1 stop
$460United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
11:11 am - 10:33 pmGRB-ONT
13h 22m2 stops
American Airlines Logo
1:10 pm - 9:18 amONT-GRB
18h 08m2 stops
$515American Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17
Delta Logo
5:31 am - 10:35 amGRB-ONT
7h 04m1 stop
Delta Logo
11:45 am - 11:22 pmONT-GRB
9h 37m1 stop
$633Delta
Find Deal
Booking Insights

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

Cheapest flight$159
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 $159 for a one-way ticket and $299 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?

    SkyTeam, oneworld, and Star Alliance 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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