$243+ Cheap flights from Ontario to Oakland, CA (OAK)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
Nov 9 — Nov 161
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Oakland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Oakland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to OaklandExplore the most affordable flight options available from Ontario to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
Explore the most affordable flight options available from Ontario to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:50 am -
2 stops29h 03m
Sun 11/85:55 pm -
1 stop20h 21m
Deal found 10/8![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop13h 00m
Sun 11/85:55 pm -
2 stops24h 57m
Deal found 10/8![Multiple Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:49 pm -
1 stop7h 09m
Sun 11/86:00 am -
1 stop7h 44m
Deal found 10/8![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:49 pm -
1 stop9h 07m
Sun 11/86:00 am -
1 stop7h 44m
Deal found 10/8![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops20h 56m
Sat 11/145:00 pm -
2 stops15h 19m
Deal found 10/6![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:49 pm -
1 stop9h 07m
Fri 11/135:00 pm -
2 stops15h 19m
Deal found 10/6![Delta logo]()
$563
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Sat 11/1412:05 pm -
2 stops25h 00m
Deal found 10/6![Alaska Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Mon 11/166:52 pm -
2 stops18h 13m
Deal found 10/6![Alaska Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop9h 07m
Fri 11/135:55 am -
2 stops14h 02m
Deal found 10/6![Delta logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Sun 11/158:00 am -
2 stops29h 05m
Deal found 10/6![Alaska Airlines logo]()
$614
Best flights from Ontario to OaklandDiscover carefully curated flight deals from Ontario to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
Discover carefully curated flight deals from Ontario to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:49 pm -
1 stop7h 09m
Sun 11/86:00 am -
1 stop7h 44m
Deal found 10/8![Delta logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Thu 11/128:00 am -
2 stops29h 05m
Deal found 10/6![Alaska Airlines logo]()
$583
This Trip.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/49:35 am -
2 stops15h 03m
Mon 1/1110:30 am -
2 stops15h 30m
Deal found 10/5![Multiple Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops20h 56m
Fri 11/135:00 pm -
2 stops15h 19m
Deal found 10/6![Delta logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/55:15 pm -
1 stop22h 07m
Tue 2/96:48 pm -
1 stop18h 17m
Deal found 10/7![Alaska Airlines logo]()
$638
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/235:10 pm -
2 stops9h 46m
Tue 3/305:55 am -
2 stops8h 27m
Deal found 10/8![Delta logo]()
$629
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:15 pm -
2 stops19h 04m
Thu 11/1212:05 pm -
2 stops25h 00m
Deal found 10/6![Alaska Airlines logo]()
$663
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/55:15 pm -
2 stops29h 04m
Mon 3/87:13 pm -
2 stops17h 52m
Deal found 10/7![Alaska Airlines logo]()
$679
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:49 pm -
1 stop9h 07m
Sat 11/145:55 am -
2 stops13h 02m
Deal found 10/6![Delta logo]()
$688
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:15 pm -
1 stop21h 46m
Mon 11/167:52 pm -
1 stop17h 13m
Deal found 10/7![Alaska Airlines logo]()
$723
Last-minute flights from Ontario to OaklandDiscover last-minute flight deals from Ontario to Oakland. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Oakland. Data last updated October 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops20h 56m
Sat 11/145:00 pm -
2 stops15h 19m
Deal found 10/6![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:49 pm -
1 stop9h 07m
Fri 11/135:00 pm -
2 stops15h 19m
Deal found 10/6![Delta logo]()
$563
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:49 pm -
1 stop9h 07m
Fri 11/135:55 am -
2 stops14h 02m
Deal found 10/6![Delta logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Sat 11/1412:05 pm -
2 stops25h 00m
Deal found 10/6![Alaska Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Thu 11/128:00 am -
2 stops29h 05m
Deal found 10/6![Alaska Airlines logo]()
$583
This Alaska Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop8h 40m
Sun 11/158:00 am -
2 stops29h 05m
Deal found 10/6![Alaska Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:50 am -
2 stops29h 03m
Sun 11/85:55 pm -
1 stop20h 21m
Deal found 10/8![Multiple Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:49 pm -
1 stop9h 07m
Sun 11/86:00 am -
1 stop7h 44m
Deal found 10/8![Delta logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop13h 00m
Sun 11/85:55 pm -
2 stops24h 57m
Deal found 10/8![Multiple Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:49 pm -
1 stop7h 09m
Sun 11/86:00 am -
1 stop7h 44m
Deal found 10/8![Delta logo]()
$533
One-way flights from Ontario to OaklandSearch for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
Search for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:40 pm -
3 stops34h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:50 am -
2 stops29h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:10 pm -
2 stops8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$296
This Trip.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:15 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:49 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:49 pm -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:15 pm -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Alaska Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:20 pm -
2 stops40h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$353
Find flight deals from Ontario to Oakland
Keep the following information in mind while searching for Ontario to Oakland flight deals. Data was last updated October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $496 (Kiwi.com) |
One-way from | $243 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $401 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Oakland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 10, 2026.
Use the filters below to find and compare flights from Ontario to Oakland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Mon 11/23
1:40 pm-10:29 am
2 stops23h 49m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$267
Quickest round-trip
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Mon 11/2
5:49 pm-9:58 pm
1 stop7h 09m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$310
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Sun 11/1
5:49 pm-9:58 pm
1 stop7h 09m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$324
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Fri 10/23
6:00 am-11:56 pm
2 stops20h 56m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$365
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Tue 11/3
11:36 am-9:19 pm
2 stops12h 43m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$370
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Mon 11/2
5:15 pm-4:33 pm
2 stops26h 18m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$391
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Thu 10/29
5:15 pm-10:55 pm
1 stop8h 40m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$401
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Sun 11/15
5:15 pm-12:01 pm
1 stop21h 46m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$411
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Thu 10/22
10:05 am-9:25 pm
1 stop14h 20m
Oakland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$419
TorontoOakland
YYZ Toronto Pearson Intl - OAK Oakland
YYZOAK
Toronto Pearson Intl
Fri 11/6
5:49 pm-9:58 pm
1 stop7h 09m
Oakland
Sun 11/8
6:00 am-4:44 pm
1 stop7h 44m
$533
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Ontario to Oakland
Have a flexible travel schedule? Discover the best time to fly to Oakland from Ontario with our price prediction graph.
YYZ-OAK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Oakland
CAON-OAK
YYZ-OAK
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Oakland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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