$210 Find Cheap Flights from Oakland 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 Oakland to Ontario departing on 12/31. 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 Oakland 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 Oakland to Ontario, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Oakland 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 Oakland 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 Oakland to Ontario

Wed, Dec 3 - Wed, Dec 10
Alaska Airlines Logo
6:40 am - 3:35 pmOAK-YYZ
29h 55m1 stop
Alaska Airlines Logo
4:45 pm - 10:41 amYYZ-OAK
20h 56m1 stop
$373Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
6:40 am - 3:35 pmOAK-YYZ
29h 55m1 stop
Multiple Airlines Logo
7:45 am - 11:59 pmYYZ-OAK
19h 14m2 stops
$380Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Alaska Airlines Logo
2:31 pm - 3:35 pmOAK-YYZ
22h 04m1 stop
Alaska Airlines Logo
4:45 pm - 1:32 pmYYZ-OAK
23h 47m1 stop
$383Alaska Airlines
Find Deal
Fri, Dec 5 - Tue, Dec 9
Alaska Airlines Logo
2:31 pm - 3:35 pmOAK-YYZ
22h 04m1 stop
Alaska Airlines Logo
4:45 pm - 10:41 amYYZ-OAK
20h 56m1 stop
$387Alaska Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Alaska Airlines Logo
9:45 am - 3:35 pmOAK-YYZ
26h 50m2 stops
Alaska Airlines Logo
4:45 pm - 11:59 pmYYZ-OAK
10h 14m1 stop
$393Alaska Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Alaska Airlines Logo
6:40 am - 3:35 pmOAK-YYZ
29h 55m1 stop
Alaska Airlines Logo
4:45 pm - 11:59 pmYYZ-OAK
34h 14m1 stop
$394Alaska Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Multiple Airlines Logo
6:40 am - 3:35 pmOAK-YYZ
29h 55m1 stop
Multiple Airlines Logo
7:45 am - 11:59 pmYYZ-OAK
19h 14m2 stops
$396Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 15
Delta Logo
5:55 am - 11:59 pmOAK-YUL
15h 04m2 stops
Delta Logo
12:40 pm - 4:04 pmYUL-OAK
30h 24m2 stops
$549Delta
Find Deal
Tue, Dec 2 - Mon, Dec 15
Delta Logo
5:55 am - 11:47 pmOAK-YUL
14h 52m2 stops
Delta Logo
12:40 pm - 4:04 pmYUL-OAK
30h 24m2 stops
$550Delta
Find Deal
Wed, Dec 17 - Sun, Jan 4
Delta Logo
5:55 am - 11:47 pmOAK-YUL
14h 52m2 stops
Delta Logo
7:00 am - 11:57 amYUL-OAK
31h 57m2 stops
$1,135Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Oakland to Ontario flights

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

Which airlines provide the cheapest flights from Oakland to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Oakland to Ontario were found on Alaska Airlines ($373) and Delta ($491).

Find deals

Good to know

Cheapest flight$210
Flight from Oakland to Toronto Pearson Airport

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Oakland 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 Oakland to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Oakland 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 Oakland 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 Oakland 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 Oakland 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 Oakland to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the evening, when round-trip flights cost $340 on average. Morning departures are around 46% more expensive than evening flights, on average. The most expensive time of day to fly to Ontario is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $537.

Everything you need to know for your flight from Oakland to Ontario

Information on your arrival and departure airports

Oakland (OAK)