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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 291. However, be on the lookout for offers from Alaska Airlines and Air Canada, 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.

How far in advance should I book a flight from Region of Ontario to Oakland, California?

To save on the cost of your flight from Region of Ontario to Oakland, California, book at least 47 days before your planned departure. Booking around this time can save you about 72% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 592 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 971.

What is the cheapest month to fly from Region of Ontario to Oakland, California?

March is one of the best times of the year to fly to Oakland, California from Region of Ontario. Prices for March average C$ 563 per person but you can even find prices for as low as C$ 337. The most expensive prices can be found in the month of December. Opting for a March flight can save you 21% on your journey compared to booking in December

What is the cheapest time of day to fly from ON to OAK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Oakland, California as you normally would.

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.

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.

C$ 291+ Flights from Ontario to Oakland, CA - Compare & Save Big

Cheap flight deals from Ontario to Oakland

Round-trip from	C$ 425
One-way from	C$ 291
Popular in	December
Cheapest in	March
Average price	C$ 468

31/5-2/6
3 total stops
45h 51m total
Ontario to Oakland

Search Deals

Delta
24/5
1 total stop
7h 40m total
Ontario to Oakland

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (C$ 9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 29 April 2025.

Sat 31/59:45 a.m.YYZ - OAK

2 stops15h 40mMultiple Airlines

Mon 2/69:09 p.m.OAK - YYZ

1 stop30h 11mMultiple Airlines

Deal found 28/4C$ 425

Sat 31/512:15 p.m.YYZ - OAK

2 stops13h 15mDelta

Mon 2/66:00 a.m.OAK - YYZ

2 stops14h 14mDelta

Deal found 28/4C$ 503

Thu 16/104:45 p.m.YYZ - OAK

1 stop9h 53mAlaska Airlines

Tue 21/107:50 p.m.OAK - YYZ

1 stop16h 10mAlaska Airlines

Deal found 28/4C$ 550

Thu 12/66:00 a.m.YKF - OAK

3 stops20h 26mMultiple Airlines

Thu 19/65:30 a.m.OAK - YKF

2 stops16h 16mMultiple Airlines

Deal found 28/4C$ 564

Fri 9/56:00 a.m.YHM - OAK

2 stops16h 15mMultiple Airlines

Mon 12/58:00 a.m.OAK - YHM

2 stops13h 41mMultiple Airlines

Deal found 28/4C$ 1,098

Thu 1/57:10 a.m.YUL - OAK

2 stops12h 13mDelta

Mon 5/55:10 p.m.OAK - YUL

2 stops15h 23mDelta

Deal found 28/4C$ 1,448

Best flights from Ontario to Oakland
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 29 April 2025.

Sat 31/59:45 a.m.YYZ - OAK

2 stops15h 40mMultiple Airlines

Mon 2/69:09 p.m.OAK - YYZ

1 stop30h 11mMultiple Airlines

Deal found 28/4C$ 425

Sat 31/512:15 p.m.YYZ - OAK

2 stops13h 15mDelta

Mon 2/66:00 a.m.OAK - YYZ

2 stops14h 14mDelta

Deal found 28/4C$ 503

Thu 16/104:45 p.m.YYZ - OAK

1 stop9h 53mAlaska Airlines

Tue 21/107:50 p.m.OAK - YYZ

1 stop16h 10mAlaska Airlines

Deal found 28/4C$ 550

Thu 12/66:00 a.m.YKF - OAK

3 stops20h 26mMultiple Airlines

Thu 19/65:30 a.m.OAK - YKF

2 stops16h 16mMultiple Airlines

Deal found 28/4C$ 564

Fri 9/56:00 a.m.YHM - OAK

2 stops16h 15mMultiple Airlines

Mon 12/58:00 a.m.OAK - YHM

2 stops13h 41mMultiple Airlines

Deal found 28/4C$ 1,098

Last-minute flights from Ontario to Oakland
Discover last-minute flight deals from Ontario to Oakland. Data last updated 29 April 2025 and is based on user searches.

Thu 1/57:10 a.m.YUL - OAK

2 stops12h 13mDelta

Mon 5/55:10 p.m.OAK - YUL

2 stops15h 23mDelta

Deal found 28/4C$ 1,448

Thu 8/512:30 p.m.YYZ - OAK

2 stops14h 19mDelta

Sat 17/56:00 a.m.OAK - YYZ

2 stops14h 14mDelta

Deal found 28/4C$ 881

Thu 8/54:45 p.m.YYZ - OAK

2 stops18h 50mAlaska Airlines

Mon 19/57:00 a.m.OAK - YYZ

1 stop29h 00mAlaska Airlines

Deal found 28/4C$ 924

Fri 9/511:00 a.m.YYZ - OAK

2 stops32h 41mMultiple Airlines

Mon 12/511:51 a.m.OAK - YYZ

3 stops32h 05mMultiple Airlines

Deal found 28/4C$ 579

Fri 9/56:00 a.m.YKF - OAK

2 stops16h 15mMultiple Airlines

Mon 12/58:00 a.m.OAK - YKF

2 stops13h 46mMultiple Airlines

Deal found 28/4C$ 1,071

Fri 9/56:00 a.m.YHM - OAK

2 stops16h 15mMultiple Airlines

Mon 12/58:00 a.m.OAK - YHM

2 stops13h 41mMultiple Airlines

Deal found 28/4C$ 1,098

Thu 29/54:45 p.m.YYZ - OAK

1 stop8h 26mAlaska Airlines

Sun 1/67:00 a.m.OAK - YYZ

1 stop29h 00mAlaska Airlines

Deal found 28/4C$ 552

Sat 31/59:45 a.m.YYZ - OAK

2 stops15h 40mMultiple Airlines

Mon 2/69:09 p.m.OAK - YYZ

1 stop30h 11mMultiple Airlines

Deal found 28/4C$ 425

Sat 31/512:15 p.m.YYZ - OAK

2 stops13h 15mDelta

Mon 2/66:00 a.m.OAK - YYZ

2 stops14h 14mDelta

Deal found 28/4C$ 503

One-way flights from Ontario to Oakland
Search for one-way flight options from Ontario to Oakland. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Sat 24/55:50 p.m.YYZ - OAK

1 stop7h 40mDelta

Deal found 28/4C$ 291

Thu 18/94:45 p.m.YYZ - OAK

1 stop10h 14mAlaska Airlines

Deal found 28/4C$ 292

Tue 2/97:00 a.m.YUL - OAK

2 stops32h 23mDelta

Deal found 28/4C$ 353

Mon 7/73:10 p.m.YUL - OAK

2 stops32h 33mMultiple Airlines

Deal found 28/4C$ 388

Fri 13/65:45 p.m.YUL - OAK

1 stop21h 24mAir Canada

Deal found 28/4C$ 705

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

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 31/5

9:45 a.m.-10:25 p.m.

2 stops15h 40m

Oakland

Mon 2/6

9:09 p.m.-6:20 a.m.

1 stop30h 11m

C$ 425

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 31/5

12:15 p.m.-10:30 p.m.

2 stops13h 15m

Oakland

Mon 2/6

6:00 a.m.-11:14 p.m.

2 stops14h 14m

C$ 503

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 16/10

4:45 p.m.-11:38 p.m.

1 stop9h 53m

Oakland

Tue 21/10

7:50 p.m.-3:00 p.m.

1 stop16h 10m

C$ 550

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Thu 12/6

6:00 a.m.-11:26 p.m.

3 stops20h 26m

Oakland

Thu 19/6

5:30 a.m.-12:46 a.m.

2 stops16h 16m

C$ 564

HamiltonOakland

YHM - OAK

YHMOAK

Hamilton

Fri 9/5

6:00 a.m.-7:15 p.m.

2 stops16h 15m

Oakland

Mon 12/5

8:00 a.m.-12:41 a.m.

2 stops13h 41m

C$ 1,098

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Sat 24/5

5:50 p.m.-10:30 p.m.

1 stop7h 40m

C$ 291

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Thu 18/9

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

1 stop10h 14m

C$ 292

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

7:00 a.m.-12:23 p.m.

2 stops32h 23m

C$ 353

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

3:10 p.m.-8:43 p.m.

2 stops32h 33m

C$ 388

MontrealOakland

YUL - OAK

YULOAK

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

5:45 p.m.-12:09 p.m.

1 stop21h 24m

C$ 705

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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

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

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

Read reviews from past customers who have flown Alaska Airlines, Delta and Air Canada 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

9,961 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,961 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,929 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Air Canada

7.0

Good

9,228 reviews

Alaska Airlines

8.0

Very good

9,961 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
What are the cheapest airlines to fly from Region of Ontario to Oakland, California one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 291. However, be on the lookout for offers from Alaska Airlines and Air Canada, 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

Alternative routes for Ontario to Oakland

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Complete your trip

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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.

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Cheap flights from Ontario to Oakland, CA from C$ 291

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.

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 29 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Oakland

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 29 April 2025.

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 29 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Oakland that are best for you.

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.

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.

Temperature in Oakland by month

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

Reviews of airlines servicing Oakland

Read reviews from past customers who have flown Alaska Airlines, Delta and Air Canada from Ontario to Oakland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

How can I find direct flights from Ontario to Oakland?

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

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.

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 29 April 2025.