Find flights
When to book
FAQs

Cheap flights from Ontario to Oakland, CA from C$ 290

YYZ — OAK
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Oakland

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Oakland

Mon 16/1111:30 a.m. -
1 stop8h 30m
Thu 19/1112:13 p.m. -
1 stop15h 37m
Deal found 18/8C$ 616
Mon 16/1111:30 a.m. -
1 stop8h 30m
Sat 21/1110:06 p.m. -
2 stops19h 34m
Deal found 18/8C$ 656
Tue 17/1111:30 a.m. -
1 stop27h 23m
Sat 21/1112:52 p.m. -
1 stop7h 58m
Deal found 18/8C$ 660
Mon 5/107:45 a.m. -
2 stops19h 14m
Fri 16/105:02 p.m. -
2 stops15h 57m
Deal found 19/8C$ 674
Fri 11/95:54 p.m. -
1 stop9h 05m
Mon 14/95:00 p.m. -
2 stops15h 25m
Deal found 19/8C$ 676
Mon 16/118:30 p.m. -
1 stop17h 48m
Tue 24/1110:06 p.m. -
1 stop20h 44m
Deal found 18/8C$ 678
Sat 3/101:50 p.m. -
2 stops12h 52m
Sat 10/1012:47 p.m. -
1 stop8h 12m
Deal found 21/8C$ 688
Wed 7/103:50 p.m. -
2 stops20h 32m
Sat 10/1012:47 p.m. -
1 stop8h 12m
Deal found 21/8C$ 696
Fri 25/92:24 p.m. -
2 stops12h 35m
Tue 29/96:00 a.m. -
1 stop7h 44m
Deal found 20/8C$ 700
Wed 7/1011:38 a.m. -
2 stops15h 18m
Sat 10/106:00 a.m. -
2 stops14h 59m
Deal found 22/8C$ 702
Fri 20/118:30 p.m. -
1 stop18h 27m
Tue 24/1110:06 p.m. -
1 stop20h 44m
Deal found 18/8C$ 703
Thu 3/127:00 a.m. -
2 stops19h 55m
Mon 7/125:00 p.m. -
2 stops27h 58m
Deal found 17/8C$ 754

Find flight deals from Ontario to Oakland

Round-trip from

C$ 616

One-way from

C$ 283

Popular in

July

Cheapest in

November

Average price

C$ 673
16/11-19/11
  • 16/11-19/11
  • 2 total stops
  • 24h 07m total
  • Ontario to Oakland
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 32h 51m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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

Price

Cheapest round-trip

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Fri 11/9

6:10 p.m.-11:59 p.m.

2 stops8h 49m

Oakland

Mon 14/9

5:00 p.m.-11:25 a.m.

2 stops15h 25m

C$ 676
Quickest round-trip

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Fri 25/9

5:54 p.m.-11:59 p.m.

1 stop9h 05m

Oakland

Tue 29/9

5:00 p.m.-10:23 a.m.

2 stops14h 23m

C$ 702

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Tue 6/10

11:38 a.m.-11:56 p.m.

2 stops15h 18m

Oakland

Sat 10/10

5:02 p.m.-12:19 p.m.

2 stops16h 17m

C$ 743

MontrealOakland

YUL Montreal Pierre Elliott Trudeau Intl - OAK Oakland

YULOAK

Montreal Pierre Elliott Trudeau Intl

Thu 3/12

7:00 a.m.-11:55 p.m.

2 stops19h 55m

Oakland

Mon 7/12

5:00 p.m.-11:58 p.m.

2 stops27h 58m

C$ 754

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Sat 21/11

5:15 p.m.-10:41 p.m.

1 stop8h 26m

Oakland

Mon 23/11

8:00 a.m.-4:05 p.m.

2 stops29h 05m

C$ 793

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Wed 7/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

Oakland

Tue 13/10

7:53 p.m.-3:45 p.m.

1 stop16h 52m

C$ 808

MontrealOakland

YUL Montreal Pierre Elliott Trudeau Intl - OAK Oakland

YULOAK

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

6:00 a.m.-11:56 p.m.

2 stops20h 56m

Oakland

Sun 1/11

6:00 a.m.-11:22 p.m.

2 stops14h 22m

C$ 834

HamiltonOakland

YHM Hamilton - OAK Oakland

YHMOAK

Hamilton

Mon 14/9

6:10 p.m.-6:12 p.m.

2 stops27h 02m

Oakland

Wed 16/9

2:15 p.m.-5:15 p.m.

2 stops24h 00m

C$ 867

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Thu 8/10

7:45 a.m.-11:56 p.m.

2 stops19h 11m

Oakland

Sun 11/10

6:00 a.m.-4:44 p.m.

1 stop7h 44m

C$ 893

TorontoOakland

YYZ Toronto Pearson Intl - OAK Oakland

YYZOAK

Toronto Pearson Intl

Fri 2/10

4:55 p.m.-10:54 p.m.

1 stop8h 59m

Oakland

Fri 9/10

7:53 p.m.-3:45 p.m.

1 stop16h 52m

C$ 904

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 44 resultsSorted by cheapest first
1
2
3
...
5

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.
Estimated round-trip price

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly into for flights to Oakland from Ontario?

    Oakland (OAK) is the airport you will fly into if you book a flight from Ontario to Oakland. It is only a 11.3 km journey from Oakland (OAK) to Oakland’s city centre.

  • How long is the flight from Region of Ontario to Oakland, California?

    Departing from Region of Ontario to Oakland, California will take you 19h 14m. The distance from Region of Ontario to Oakland, California is about 3610 km.

  • What are the most popular routes from Region of Ontario to Oakland, California?

    The most popular route from Region of Ontario to Oakland, California is Toronto Pearson Intl - Oakland. You may also consider Montreal Pierre Elliott Trudeau Intl - Oakland or Hamilton - Oakland.

  • Can I find deals for flights from Ontario to Oakland that include hotel bookings?

    Yes. In addition to deals on Ontario to Oakland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Oakland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oakland.

  • Can I find deals for business class flights from Ontario to Oakland?

    Yes. Cheapflights offers flight deals from Ontario to Oakland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Oakland

Vancouver Intl to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Vancouver Intl to San Diego flights
Abbotsford to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to Ontario flights
Calgary to Los Angeles flights
Pearson Intl to Ontario flights
Toronto Island to Las Vegas flights
Calgary to Las Vegas flights
Pearson Intl to San Diego flights
Vancouver Intl to Palm Springs flights
Edmonton to Las Vegas flights
Abbotsford to Las Vegas flights
Abbotsford to San Francisco flights
Pierre Elliott Trudeau Intl to San Francisco flights
Toronto Island to San Francisco flights
Vancouver Intl to Santa Ana flights
Edmonton to Los Angeles flights
Calgary to San Francisco flights
Toronto Island to Los Angeles flights
Hamilton to Las Vegas flights
Calgary to San Diego flights
Vancouver Intl to Burbank flights
Hamilton to San Francisco flights
Pearson Intl to San Jose flights
Pearson Intl to Long Beach flights
Pierre Elliott Trudeau Intl to Ontario flights
Winnipeg to Las Vegas flights
Winnipeg to Los Angeles flights
Edmonton to San Francisco flights
Pearson Intl to Burbank flights
Region of Waterloo Intl to San Francisco flights
Abbotsford to San Diego flights
Vancouver Intl to Long Beach flights
Ottawa to Las Vegas flights
Region of Waterloo Intl to Las Vegas flights
Toronto Island to San Diego flights
Vancouver Intl to Oakland flights
Hamilton to Los Angeles flights
Vancouver Intl to Sacramento flights
Québec City to Los Angeles flights
Calgary to Ontario flights
Abbotsford to Ontario flights
Region of Waterloo Intl to Los Angeles flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Oakland?

When you search for this flight from Ontario to Oakland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Oakland?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Oakland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Oakland with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Oakland with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Oakland become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Oakland on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.