$276 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 9/1. 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, 0 bags

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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Flight Deals

Book Cheap Green Bay to Ontario Plane Tickets

 
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

Sat, Sep 12 - Sat, Sep 19
Delta Logo
5:25 pm - 11:10 pm
GRB
-
YUL
4h 45m
1 stop
Delta Logo
6:00 am - 10:22 am
YUL
-
GRB
5h 22m
1 stop
$611Delta
Mon, Jun 29 - Sun, Jul 5
American Airlines Logo
6:04 am - 11:23 pm
GRB
-
YYZ
16h 19m
1 stop
American Airlines Logo
11:39 am - 12:12 am
YYZ
-
GRB
13h 33m
1 stop
$617American Airlines
Wed, Jul 1 - Fri, Jul 3
American Airlines Logo
6:04 am - 4:51 pm
GRB
-
YUL
9h 47m
1 stop
American Airlines Logo
12:30 pm - 2:47 pm
YUL
-
GRB
27h 17m
1 stop
$619American Airlines
Wed, Jul 1 - Fri, Jul 3
American Airlines Logo
6:04 am - 10:59 pm
GRB
-
YUL
15h 55m
2 stops
American Airlines Logo
5:30 pm - 2:47 pm
YUL
-
GRB
22h 17m
1 stop
$628American Airlines
Wed, Jul 1 - Fri, Jul 3
American Airlines Logo
6:04 am - 10:59 pm
GRB
-
YUL
15h 55m
2 stops
American Airlines Logo
10:30 am - 12:12 am
YUL
-
GRB
14h 42m
2 stops
$634American Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
5:43 am - 9:42 pm
GRB
-
YUL
14h 59m
2 stops
American Airlines Logo
5:34 pm - 9:35 am
YUL
-
GRB
17h 01m
1 stop
$639American Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
5:25 pm - 11:10 pm
GRB
-
YUL
4h 45m
1 stop
Delta Logo
6:00 am - 10:22 am
YUL
-
GRB
5h 22m
1 stop
$654Delta
Sat, Jun 27 - Tue, Jun 30
United Airlines Logo
6:52 pm - 10:40 am
GRB
-
YUL
14h 48m
1 stop
United Airlines Logo
6:10 am - 10:01 am
YUL
-
GRB
4h 51m
1 stop
$675United Airlines
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
2:31 pm - 9:35 pm
GRB
-
YOW
6h 04m
1 stop
United Airlines Logo
6:25 am - 9:59 am
YOW
-
GRB
4h 34m
1 stop
$684United Airlines
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
2:31 pm - 9:35 pm
GRB
-
YOW
6h 04m
1 stop
United Airlines Logo
6:25 am - 9:59 am
YOW
-
GRB
4h 34m
1 stop
$685United Airlines
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.

Which airlines provide the cheapest flights from Green Bay to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Green Bay to Ontario were found on Delta ($611) and American Airlines ($617).

Find deals

Good to know

Cheapest flight$276
Flight from Green Bay to Montreal

FAQs - booking Ontario flights

  • 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 from Green Bay to Ontario 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 from Green Bay to Ontario with an airline and back with another airline.

  • 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 from Green Bay to Ontario 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)