Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Oakland, CA from C$ 224

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — OAK
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Ontario to Oakland

Keep the following information in mind while searching for Ontario to Oakland flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 421

One-way from

C$ 224

Popular in

December

Cheapest in

April

Average price

C$ 515
1/7-15/7
  • 1/7-15/7
  • 3 total stops
  • 22h 46m total
  • Ontario to Oakland
Search Deals
16/7
  • 16/7
  • 2 total stops
  • 12h 33m total
  • Ontario to Oakland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Oakland

Cheapest flights from Ontario to Oakland
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 12 June 2025.

Tue 1/712:00 p.m.YYZ - OAK
2 stops14h 26mMultiple Airlines
Tue 15/76:00 a.m.OAK - YYZ
1 stop8h 20mMultiple Airlines
Deal found 10/6C$ 421
Wed 1/108:55 a.m.YOW - OAK
1 stop17h 44mMultiple Airlines
Tue 7/107:48 p.m.OAK - YOW
2 stops11h 33mMultiple Airlines
Deal found 11/6C$ 459
Wed 23/76:05 p.m.YYZ - OAK
2 stops8h 50mDelta
Sat 2/86:00 a.m.OAK - YYZ
1 stop7h 40mDelta
Deal found 11/6C$ 502
Fri 10/104:45 p.m.YYZ - OAK
1 stop10h 14mAlaska Airlines
Mon 20/106:40 a.m.OAK - YYZ
1 stop29h 20mAlaska Airlines
Deal found 10/6C$ 503
Tue 21/103:10 p.m.YUL - OAK
2 stops21h 01mMultiple Airlines
Fri 24/101:08 p.m.OAK - YUL
2 stops32h 33mMultiple Airlines
Deal found 11/6C$ 615
Mon 18/86:55 p.m.YUL - OAK
2 stops24h 21mDelta
Mon 25/84:58 p.m.OAK - YUL
2 stops27h 55mDelta
Deal found 11/6C$ 618
Fri 10/106:00 a.m.YKF - OAK
2 stops16h 16mMultiple Airlines
Mon 20/106:40 a.m.OAK - YKF
2 stops15h 05mMultiple Airlines
Deal found 10/6C$ 740
Fri 10/106:00 a.m.YHM - OAK
2 stops16h 16mMultiple Airlines
Mon 20/106:40 a.m.OAK - YHM
2 stops15h 00mMultiple Airlines
Deal found 10/6C$ 764

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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Ontario to Oakland that are best for you.

Fly from

Ontario

Fly to

Oakland

Route

Depart

Return

Price

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 1/7

12:00 p.m.-11:26 p.m.

2 stops14h 26m

Oakland

Tue 15/7

6:00 a.m.-5:20 p.m.

1 stop8h 20m

C$ 421

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

Wed 1/10

8:55 a.m.-11:39 p.m.

1 stop17h 44m

Oakland

Tue 7/10

7:48 p.m.-10:21 a.m.

2 stops11h 33m

C$ 459

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 23/7

5:45 p.m.-11:55 p.m.

1 stop9h 10m

Oakland

Sat 2/8

6:00 a.m.-4:40 p.m.

1 stop7h 40m

C$ 502

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Fri 10/10

4:45 p.m.-11:59 p.m.

1 stop10h 14m

Oakland

Mon 20/10

6:40 a.m.-3:00 p.m.

1 stop29h 20m

C$ 503

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

3:10 p.m.-9:11 a.m.

2 stops21h 01m

Oakland

Fri 24/10

1:08 p.m.-12:41 a.m.

2 stops32h 33m

C$ 615

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Mon 18/8

6:55 p.m.-4:16 p.m.

2 stops24h 21m

Oakland

Mon 25/8

4:58 p.m.-11:53 p.m.

2 stops27h 55m

C$ 618

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Fri 10/10

6:00 a.m.-7:16 p.m.

2 stops16h 16m

Oakland

Mon 20/10

6:40 a.m.-12:45 a.m.

2 stops15h 05m

C$ 740

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

Fri 10/10

6:00 a.m.-7:16 p.m.

2 stops16h 16m

Oakland

Mon 20/10

6:40 a.m.-12:40 a.m.

2 stops15h 00m

C$ 764

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Wed 16/7

2:00 p.m.-11:33 p.m.

2 stops12h 33m

C$ 224

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Wed 16/7

6:00 a.m.-12:27 p.m.

2 stops33h 27m

C$ 234

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 16 results
1
2

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
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

Rainfall in Oakland by month

Plan your trip to Oakland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oakland, California ranges from 0.0 - 122.0 mm per month. January is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Oakland, California when rainfall is around 0.0 mm.

Temperature in Oakland by month

Plan your trip to Oakland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oakland, California, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Oakland

Get insights into the airlines that provide service to Oakland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oakland. Reviews last updated 12 June 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Sun Country Air from Ontario to Oakland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Sun Country Air
6.9
Okay
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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.

  • What are the cheapest airlines to fly from Region of Ontario to Oakland, California one-way?

    The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as C$ 272. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Region of Ontario to Oakland, California for a low price.

  • 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 Toronto Region of Waterloo Intl - Oakland or Montreal Pierre Elliott Trudeau Intl - 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Oakland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Vancouver Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to San Francisco flights
Vancouver Intl to San Diego flights
Calgary to Las Vegas flights
Abbotsford to Los Angeles flights
Vancouver Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Ontario flights
Edmonton to Las Vegas flights
Calgary to Los Angeles flights
Pearson Intl to San Diego flights
Toronto Island to Las Vegas flights
Abbotsford to Las Vegas flights
Vancouver Intl to Santa Ana flights
Abbotsford to San Francisco flights
Region of Waterloo Intl to Las Vegas flights
Calgary to San Francisco flights
Vancouver Intl to Palm Springs flights
Hamilton to Las Vegas flights
Toronto Island to Los Angeles flights
Edmonton to San Francisco flights
Vancouver Intl to Sacramento flights
Winnipeg to Las Vegas flights
Region of Waterloo Intl to San Francisco flights
Edmonton to Los Angeles flights
Hamilton to San Francisco flights
Ottawa to Las Vegas flights
Pearson Intl to San Jose flights
Region of Waterloo Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to San Diego flights
Calgary to San Diego flights
Hamilton to Los Angeles flights
Calgary to Santa Ana flights
Toronto Island to San Francisco flights
Pierre Elliott Trudeau Intl to Ontario flights
Winnipeg to Los Angeles flights
Pearson Intl to Sacramento flights
Calgary to Ontario flights
Abbotsford to San Diego flights
Hamilton to Santa Ana flights
Pearson Intl to Santa Ana flights
Victoria to Las Vegas flights
Pearson Intl to Palm Springs flights
Pierre Elliott Trudeau Intl to Santa Ana flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.