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Cheap flights from Oakland (OAK) to Ontario from $149

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 7/13. 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.
OAK — YYZ
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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How far in advance should I book a flight from Oakland, California to Region of Ontario?

To save up to 63% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Oakland, California to Region of Ontario from $544 1-2 weeks out and tickets from $799 for flights departing within the next 72 hours.

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

Flights from Oakland, California to Region of Ontario lean towards being more expensive in December. Prices are generally better when you fly from Oakland, California to Region of Ontario in February, with the cheapest ticket starting at $173.

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

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

Cheap Sun Country Air flights from Oakland to Ontario

Explore cheap flight options specifically provided by Sun Country Air for the route between Oakland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a look at some of the lowest-priced Sun Country Air flights heading from Oakland to Ontario. Make sure to check back often as deals are often changing.
Mon 7/155:45 pmOAK - YYZ
1 stop14h 59mSun Country Air
Thu 7/2511:40 amYYZ - OAK
1 stop8h 47mSun Country Air
Deal found 5/31$409
Sun 7/1411:59 pmOAK - YUL
1 stop7h 46mSun Country Air
Thu 7/1810:40 amYUL - OAK
1 stop9h 27mSun Country Air
Deal found 6/1$414
Wed 7/311:59 pmOAK - YYZ
1 stop14h 33mSun Country Air
Sun 7/142:55 pmYYZ - OAK
1 stop11h 02mSun Country Air
Deal found 5/31$479

Cheap Alaska Airlines flights from Oakland to Ontario

Explore cheap flight options specifically provided by Alaska Airlines for the route between Oakland and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from Oakland to Ontario. Make sure to examine the flight information before completing your reservation.
Tue 7/97:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Sat 8/313:40 pmYYZ - OAK
2 stops30h 06mAlaska Airlines
Deal found 6/1$517
Tue 7/97:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Sat 8/313:40 pmYYZ - OAK
1 stop11h 12mAlaska Airlines
Deal found 6/1$521
Tue 7/98:52 amOAK - YYZ
2 stops26h 38mAlaska Airlines
Fri 8/303:40 pmYYZ - OAK
1 stop11h 12mAlaska Airlines
Deal found 6/1$543
Tue 7/98:52 amOAK - YYZ
2 stops26h 38mAlaska Airlines
Wed 8/283:40 pmYYZ - OAK
2 stops20h 07mAlaska Airlines
Deal found 6/1$546
Tue 7/98:52 amOAK - YYZ
2 stops26h 38mAlaska Airlines
Sun 9/13:40 pmYYZ - OAK
1 stop11h 12mAlaska Airlines
Deal found 6/1$551
Mon 7/87:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Sat 8/313:40 pmYYZ - OAK
1 stop11h 12mAlaska Airlines
Deal found 6/1$566
Mon 7/87:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Fri 8/303:40 pmYYZ - OAK
1 stop11h 12mAlaska Airlines
Deal found 6/1$588
Mon 7/87:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Wed 8/283:40 pmYYZ - OAK
2 stops20h 07mAlaska Airlines
Deal found 6/1$591
Mon 7/157:00 pmOAK - YYZ
2 stops16h 30mAlaska Airlines
Mon 7/223:40 pmYYZ - OAK
1 stop11h 15mAlaska Airlines
Deal found 6/1$593

Cheap Oakland to Ontario flights in June & July 2024

Find cheap flight options from Oakland to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 6/136:02 amOAK - YYZ
2 stops21h 40mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 5/31$301
Thu 6/137:54 pmOAK - YYZ
1 stop7h 48mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 5/31$320
Thu 6/136:02 amOAK - YYZ
2 stops21h 40mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
2 stops19h 20mMultiple Airlines
Deal found 5/31$363
Wed 6/261:15 pmOAK - YYZ
1 stop14h 28mMultiple Airlines
Wed 7/32:00 pmYYZ - OAK
2 stops12h 58mMultiple Airlines
Deal found 6/1$375
Thu 6/65:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Thu 6/138:20 pmYYZ - OAK
1 stop18h 04mMultiple Airlines
Deal found 6/1$396
Wed 6/266:02 pmOAK - YYZ
2 stops9h 41mMultiple Airlines
Wed 7/38:00 amYYZ - OAK
3 stops18h 58mMultiple Airlines
Deal found 6/1$398
Wed 6/265:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Wed 7/31:30 pmYYZ - OAK
1 stop9h 58mMultiple Airlines
Deal found 6/1$403
Fri 6/76:20 pmOAK - YYZ
2 stops22h 15mMultiple Airlines
Thu 6/208:20 pmYYZ - OAK
1 stop31h 09mMultiple Airlines
Deal found 6/1$437
Thu 6/65:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Thu 6/131:25 pmYYZ - OAK
2 stops20h 17mMultiple Airlines
Deal found 6/1$441

Oakland to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Oakland and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 9/127:25 pmOAK - YYZ
1 stop8h 10mMultiple Airlines
Sun 9/1511:15 amYYZ - OAK
1 stop15h 36mMultiple Airlines
Deal found 6/1$265
Tue 7/95:39 pmOAK - YYZ
1 stop9h 56mMultiple Airlines
Tue 9/311:15 amYYZ - OAK
1 stop23h 27mMultiple Airlines
Deal found 6/1$295
Thu 9/127:25 pmOAK - YYZ
1 stop8h 10mMultiple Airlines
Sun 9/158:20 pmYYZ - OAK
2 stops13h 22mMultiple Airlines
Deal found 6/1$299
Thu 6/136:02 amOAK - YYZ
2 stops21h 40mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 5/31$301
Wed 7/175:15 amOAK - YYZ
1 stop14h 30mMultiple Airlines
Tue 7/2312:20 pmYYZ - OAK
1 stop9h 35mMultiple Airlines
Deal found 6/1$304
Wed 7/178:43 amOAK - YYZ
2 stops29h 49mMultiple Airlines
Tue 7/2312:20 pmYYZ - OAK
1 stop9h 35mMultiple Airlines
Deal found 6/1$306
Wed 7/105:15 amOAK - YYZ
1 stop15h 35mMultiple Airlines
Tue 9/311:15 amYYZ - OAK
1 stop23h 27mMultiple Airlines
Deal found 6/1$309
Thu 9/265:50 amOAK - YYZ
1 stop12h 59mMultiple Airlines
Mon 9/303:50 pmYYZ - OAK
2 stops21h 34mMultiple Airlines
Deal found 6/1$310
Thu 9/265:50 amOAK - YYZ
1 stop12h 59mMultiple Airlines
Mon 9/308:00 pmYYZ - OAK
1 stop18h 10mMultiple Airlines
Deal found 6/1$312

Oakland to Ontario flights leaving soon

Find last-minute flight options from Oakland to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Have a look at some of the flights available from Oakland to Ontario departing last-minute. It's wise to confirm all flight details are correct before booking.
Thu 6/136:02 amOAK - YYZ
2 stops21h 40mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 5/31$301
Thu 6/137:54 pmOAK - YYZ
1 stop7h 48mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 5/31$320
Thu 6/136:02 amOAK - YYZ
2 stops21h 40mMultiple Airlines
Mon 6/178:00 pmYYZ - OAK
2 stops19h 20mMultiple Airlines
Deal found 5/31$363
Thu 6/65:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Thu 6/138:20 pmYYZ - OAK
1 stop18h 04mMultiple Airlines
Deal found 6/1$396
Thu 6/65:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Thu 6/131:25 pmYYZ - OAK
2 stops20h 17mMultiple Airlines
Deal found 6/1$441
Thu 6/136:02 amOAK - YYZ
3 stops36h 23mMultiple Airlines
Mon 6/171:25 pmYYZ - OAK
2 stops22h 06mMultiple Airlines
Deal found 5/31$482
Thu 6/136:02 amOAK - YYZ
3 stops36h 23mMultiple Airlines
Mon 6/1710:20 amYYZ - OAK
3 stops38h 20mMultiple Airlines
Deal found 5/31$501
Thu 6/66:02 amOAK - YYZ
3 stops45h 09mMultiple Airlines
Thu 6/131:25 pmYYZ - OAK
1 stop12h 38mMultiple Airlines
Deal found 6/1$572
Thu 6/66:02 amOAK - YYZ
3 stops45h 09mMultiple Airlines
Thu 6/131:25 pmYYZ - OAK
2 stops20h 17mMultiple Airlines
Deal found 6/1$591

One-way flights to Ontario from Oakland

Search for one-way flight options from Oakland to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a look at some of the best available options we've come across on one-way flights from Oakland to Ontario. Users can also find round-trip Oakland to Ontario flights by using the search form above.
Sat 7/135:30 amOAK - YTZ
2 stops33h 06mMultiple Airlines
Deal found 5/31$149
Sat 7/136:15 pmOAK - YTZ
3 stops20h 21mMultiple Airlines
Deal found 5/31$172
Thu 7/256:21 pmOAK - YUL
1 stop13h 24mSun Country Air
Deal found 6/1$178
Thu 6/275:15 amOAK - YYZ
2 stops27h 30mMultiple Airlines
Deal found 6/1$179
Thu 6/275:15 amOAK - YYZ
1 stop15h 25mMultiple Airlines
Deal found 6/1$191
Fri 7/125:50 amOAK - YYZ
1 stop12h 56mMultiple Airlines
Deal found 5/31$192
Thu 8/86:20 pmOAK - YUL
1 stop13h 25mSun Country Air
Deal found 6/1$193
Fri 7/125:15 amOAK - YYZ
3 stops14h 54mMultiple Airlines
Deal found 5/31$212
Fri 6/285:30 amOAK - YYZ
1 stop13h 20mMultiple Airlines
Deal found 6/1$223

Find flights from Oakland to Ontario within your budget

Customize your flight search to find flights from Oakland to Ontario 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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$265 - $517

Route

Depart

Return

Price

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 9/12

1 stop8h 10m

Toronto Pearson Intl

Sun 9/15

1 stop15h 36m

$265

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 7/9

1 stop9h 56m

Toronto Pearson Intl

Tue 9/3

1 stop23h 27m

$295

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 9/12

1 stop8h 10m

Toronto Pearson Intl

Sun 9/15

2 stops13h 22m

$299

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 6/13

2 stops21h 40m

Toronto Pearson Intl

Mon 6/17

1 stop18h 12m

$301

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Wed 7/17

1 stop14h 30m

Toronto Pearson Intl

Tue 7/23

1 stop9h 35m

$304

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Wed 7/17

2 stops29h 49m

Toronto Pearson Intl

Tue 7/23

1 stop9h 35m

$306

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Mon 7/15

1 stop14h 59m

Toronto Pearson Intl

Thu 7/25

1 stop8h 47m

$409

OaklandMontreal Pierre Elliott Trudeau Intl

OAK - YUL

OAKYUL

Oakland

Sun 7/14

1 stop7h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 7/18

1 stop9h 27m

$414

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 7/9

2 stops16h 30m

Toronto Pearson Intl

Sat 8/31

2 stops30h 06m

$517

Flights are sorted by cheapest first

Deals found on 6/1

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

Best time to book a flight from Oakland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Oakland 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 2, 2024.
Get a feel of what it's like to fly with Sun Country Air, Alaska Airlines and Delta from Oakland to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Sun Country Air
7.2
Good
592 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Comfort

7.9

Crew

8.6

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Ontario. 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 from for flights from Oakland to Ontario?

    For a flight from Oakland to Ontario, you will be flying from Oakland. Oakland (OAK) is just 7.0 mi from the center of the city.

  • Can I find flights from Oakland, California to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Oakland, California to Region of Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $265, but on average you can expect to pay $314.

  • Are there last-minute flights available from Oakland, California to Region of Ontario for under $400?

    There are currently 20+ open flights from Oakland, California to Region of Ontario within the next 7 days for less than $400.

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

    The cheapest airlines for a one-way flight from Oakland, California to Region of Ontario are Sun Country Air ($178), Alaska Airlines ($263), and Delta ($297).

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

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

  • What does OAK to YYZ mean?

    This is defined as Oakland Airport (OAK) and Toronto Pearson Intl Airport (YYZ). Codes like Toronto Pearson Intl Airport are often used to just call airports uniquely. Ottawa Airport (YOW), Hamilton Airport (YHM), Toronto Island Airport (YTZ), Toronto Kitchener-Waterloo Airport (YKF), London Airport (YXU) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Oakland to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Oakland to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Oakland to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Oakland to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Oakland to Ontario that allow pets onboard?

    Many airlines flying from Oakland to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Oakland to Ontario?

    Yes, you can often find last-minute deals on Oakland to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Oakland, California to Region of Ontario flight deals updated?

    The Oakland, California to Region of Ontario flight deals you see on this page were last updated on 6/1.

  • What is the cheapest month to book a flight from Oakland, California to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Region of Ontario (average of $237). Flying from Oakland, California to Region of Ontario in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Oakland to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from Oakland to Ontario

Discover the top 2 airlines that operate flights from Oakland to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$287Average$502FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest$615Average$724FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Los Angeles to New York flights
Miami to London flights
Phoenix to Chicago flights
Chicago to Dallas flights
New Orleans to Las Vegas flights
Denver to Minneapolis flights
Los Angeles to Mexico City flights
Seattle to Honolulu flights
Oakland, California to Quebec flights

Search flights from Oakland to Ontario by cabin class

Find flights from Oakland to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
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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 Oakland to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Oakland to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Oakland to Ontario 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 Oakland to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Oakland to Ontario, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Oakland to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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