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Cheap flights from Oakland to Ontario from C$ 140

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 13/6. 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
14 May — 21 May1
1 adult
Tue 14/5
Tue 21/5

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

To save on the cost of your flight from Oakland, California to Region of Ontario, book at least 56 days before your planned departure. Booking around this time can save you about 61% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 712 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,101.

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

The best pricing can be found in the month of February. Prices to Region of Ontario from Oakland, California average C$ 671. You can even find prices in February for less than C$ 671, as users have found deals to Region of Ontario from as low as C$ 238. The month of December appears to be one of the more expensive times to travel to Region of Ontario from Oakland, California. Flying in the targeted month can save you up to 34%.

When is the cheapest time to fly from Oakland, California to Region of Ontario (OAK - ON)?

When flying from Oakland, California to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 447,598 searches. Data last updated 9 May 2024.
Consider these cheap Alaska Airlines flights we've found departing from Oakland to Ontario. It's recommended that users confirm their flight details before booking.
Tue 17/91:27 p.m.OAK - YYZ
2 stops22h 03mAlaska Airlines
Fri 20/93:40 p.m.YYZ - OAK
2 stops24h 07mAlaska Airlines
Deal found 8/5C$ 768
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Tue 28/53:40 p.m.YYZ - OAK
2 stops22h 20mAlaska Airlines
Deal found 8/5C$ 820
Sat 29/68:19 p.m.OAK - YYZ
1 stop15h 11mAlaska Airlines
Wed 10/73:40 p.m.YYZ - OAK
1 stop11h 15mAlaska Airlines
Deal found 9/5C$ 831
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Thu 30/53:40 p.m.YYZ - OAK
2 stops20h 19mAlaska Airlines
Deal found 8/5C$ 834
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Tue 28/53:40 p.m.YYZ - OAK
1 stop21h 20mAlaska Airlines
Deal found 8/5C$ 837
Sat 29/68:19 p.m.OAK - YYZ
1 stop15h 11mAlaska Airlines
Thu 11/73:40 p.m.YYZ - OAK
1 stop11h 15mAlaska Airlines
Deal found 9/5C$ 851
Sat 29/68:19 p.m.OAK - YYZ
1 stop15h 11mAlaska Airlines
Wed 10/73:40 p.m.YYZ - OAK
2 stops19h 32mAlaska Airlines
Deal found 9/5C$ 856
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Sat 25/53:40 p.m.YYZ - OAK
2 stops20h 19mAlaska Airlines
Deal found 8/5C$ 860
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Wed 29/53:40 p.m.YYZ - OAK
1 stop11h 19mAlaska Airlines
Deal found 8/5C$ 878

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 447,598 searches. Data last updated 9 May 2024.
Take a gander at the lowest prices we've found on Sun Country Air flights from Oakland to Ontario. Check back soon if you're not seeing flights that suit your needs.
Thu 27/66:15 p.m.OAK - YYZ
1 stop14h 30mSun Country Air
Sun 30/67:00 a.m.YYZ - OAK
1 stop18h 53mSun Country Air
Deal found 9/5C$ 563
Thu 20/611:59 p.m.OAK - YYZ
1 stop8h 46mSun Country Air
Sun 23/66:36 p.m.YYZ - OAK
1 stop7h 17mSun Country Air
Deal found 9/5C$ 639
Wed 3/711:59 p.m.OAK - YYZ
1 stop14h 33mSun Country Air
Sun 7/79:15 a.m.YYZ - OAK
1 stop11h 26mSun Country Air
Deal found 8/5C$ 866
Wed 3/711:59 p.m.OAK - YYZ
1 stop14h 33mSun Country Air
Sun 7/79:15 a.m.YYZ - OAK
1 stop11h 26mSun Country Air
Deal found 8/5C$ 907

Cheap Oakland to Ontario flights in May & June 2024

Find cheap flight options from Oakland to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 447,598 searches. Prices were last updated on 9 May 2024.
The lowest fares we've come across on flights travelling from Oakland to Ontario in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 18/65:39 p.m.OAK - YYZ
1 stop9h 56mMultiple Airlines
Tue 25/68:00 a.m.YYZ - OAK
2 stops18h 47mMultiple Airlines
Deal found 8/5C$ 337
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/67:55 a.m.YYZ - OAK
2 stops14h 25mMultiple Airlines
Deal found 8/5C$ 339
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/611:59 a.m.YYZ - OAK
3 stops14h 50mMultiple Airlines
Deal found 8/5C$ 348
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/68:20 p.m.YYZ - OAK
1 stop18h 04mMultiple Airlines
Deal found 8/5C$ 349
Tue 4/65:00 a.m.OAK - YYZ
2 stops22h 35mMultiple Airlines
Thu 6/611:59 a.m.YYZ - OAK
3 stops14h 50mMultiple Airlines
Deal found 8/5C$ 367
Tue 18/65:39 p.m.OAK - YYZ
1 stop9h 56mMultiple Airlines
Tue 25/610:30 a.m.YYZ - OAK
1 stop16h 17mMultiple Airlines
Deal found 8/5C$ 390
Tue 18/65:15 a.m.OAK - YYZ
3 stops29h 45mMultiple Airlines
Tue 25/66:30 a.m.YYZ - OAK
3 stops31h 42mMultiple Airlines
Deal found 8/5C$ 397
Tue 4/65:30 a.m.OAK - YYZ
3 stops29h 30mMultiple Airlines
Thu 6/611:59 a.m.YYZ - OAK
3 stops14h 50mMultiple Airlines
Deal found 8/5C$ 441
Fri 24/55:50 a.m.OAK - YYZ
2 stops34h 05mMultiple Airlines
Tue 28/58:20 p.m.YYZ - OAK
1 stop17h 52mMultiple Airlines
Deal found 7/5C$ 448

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 447,598 searches. Data last updated 9 May 2024.
The lowest fares we've come across on flights travelling from Oakland to Ontario in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 18/65:39 p.m.OAK - YYZ
1 stop9h 56mMultiple Airlines
Tue 25/68:00 a.m.YYZ - OAK
2 stops18h 47mMultiple Airlines
Deal found 8/5C$ 337
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/67:55 a.m.YYZ - OAK
2 stops14h 25mMultiple Airlines
Deal found 8/5C$ 339
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/611:59 a.m.YYZ - OAK
3 stops14h 50mMultiple Airlines
Deal found 8/5C$ 348
Tue 4/612:02 p.m.OAK - YYZ
1 stop15h 33mMultiple Airlines
Thu 6/68:20 p.m.YYZ - OAK
1 stop18h 04mMultiple Airlines
Deal found 8/5C$ 349
Tue 4/65:00 a.m.OAK - YYZ
2 stops22h 35mMultiple Airlines
Thu 6/611:59 a.m.YYZ - OAK
3 stops14h 50mMultiple Airlines
Deal found 8/5C$ 367
Tue 17/97:25 p.m.OAK - YYZ
1 stop8h 10mMultiple Airlines
Fri 20/98:00 p.m.YYZ - OAK
1 stop18h 10mMultiple Airlines
Deal found 8/5C$ 385
Tue 18/65:39 p.m.OAK - YYZ
1 stop9h 56mMultiple Airlines
Tue 25/610:30 a.m.YYZ - OAK
1 stop16h 17mMultiple Airlines
Deal found 8/5C$ 390
Tue 18/65:15 a.m.OAK - YYZ
3 stops29h 45mMultiple Airlines
Tue 25/66:30 a.m.YYZ - OAK
3 stops31h 42mMultiple Airlines
Deal found 8/5C$ 397
Tue 17/97:25 p.m.OAK - YYZ
1 stop8h 10mMultiple Airlines
Fri 20/912:00 p.m.YYZ - OAK
2 stops14h 19mMultiple Airlines
Deal found 8/5C$ 423

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 447,598 searches. Data last updated 9 May 2024.
Consider one of these great deals we found on last-minute flights from Oakland to Ontario. Tip: verify your flight details before completing your reservation.
Wed 15/55:50 a.m.OAK - YYZ
2 stops21h 52mMultiple Airlines
Mon 20/510:15 p.m.YYZ - OAK
2 stops27h 47mMultiple Airlines
Deal found 8/5C$ 496
Wed 15/55:50 a.m.OAK - YYZ
3 stops34h 45mMultiple Airlines
Mon 20/510:15 p.m.YYZ - OAK
2 stops27h 47mMultiple Airlines
Deal found 8/5C$ 544
Wed 15/510:00 a.m.OAK - YYZ
2 stops17h 42mMultiple Airlines
Mon 20/58:00 p.m.YYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 8/5C$ 574
Wed 15/55:50 a.m.OAK - YYZ
3 stops34h 45mMultiple Airlines
Mon 20/510:20 a.m.YYZ - OAK
3 stops27h 04mMultiple Airlines
Deal found 8/5C$ 625
Wed 15/58:11 p.m.OAK - YYZ
1 stop7h 31mMultiple Airlines
Mon 20/58:00 p.m.YYZ - OAK
1 stop18h 12mMultiple Airlines
Deal found 8/5C$ 712
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Tue 28/53:40 p.m.YYZ - OAK
2 stops22h 20mAlaska Airlines
Deal found 8/5C$ 820
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Thu 30/53:40 p.m.YYZ - OAK
2 stops20h 19mAlaska Airlines
Deal found 8/5C$ 834
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Tue 28/53:40 p.m.YYZ - OAK
1 stop21h 20mAlaska Airlines
Deal found 8/5C$ 837
Sat 18/57:16 p.m.OAK - YYZ
2 stops16h 14mAlaska Airlines
Sat 25/53:40 p.m.YYZ - OAK
2 stops20h 19mAlaska Airlines
Deal found 8/5C$ 860

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 447,598 searches. Data last updated 9 May 2024.
Users in need of a one-way flight from Oakland to Ontario can choose from these deals. Users in need of a round-trip flight from Oakland to Ontario instead should update the search form at the top of page.
Thu 13/67:54 p.m.OAK - YYZ
1 stop7h 41mMultiple Airlines
Deal found 8/5C$ 140
Wed 15/510:00 a.m.OAK - YYZ
2 stops17h 42mMultiple Airlines
Deal found 8/5C$ 165
Thu 13/66:02 a.m.OAK - YYZ
2 stops21h 33mMultiple Airlines
Deal found 8/5C$ 184
Wed 24/75:15 a.m.OAK - YYZ
1 stop14h 30mMultiple Airlines
Deal found 8/5C$ 187
Wed 28/85:15 a.m.OAK - YYZ
1 stop14h 30mMultiple Airlines
Deal found 9/5C$ 192
Thu 4/76:02 a.m.OAK - YYZ
2 stops13h 27mMultiple Airlines
Deal found 8/5C$ 203
Wed 28/85:15 a.m.OAK - YHM
2 stops16h 00mMultiple Airlines
Deal found 9/5C$ 206
Wed 28/89:29 p.m.OAK - YYZ
2 stops22h 47mMultiple Airlines
Deal found 9/5C$ 206
Fri 7/66:20 p.m.OAK - YYZ
2 stops22h 15mMultiple Airlines
Deal found 8/5C$ 207

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 447,598 searches. Data last updated 9 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 272 - C$ 890

Route

Depart

Return

Price

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 6/6

1 stop7h 41m

Toronto Pearson Intl

Tue 11/6

1 stop17h 52m

C$ 272

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 6/6

2 stops21h 33m

Toronto Pearson Intl

Tue 11/6

1 stop17h 52m

C$ 297

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 6/6

2 stops21h 33m

Toronto Pearson Intl

Tue 11/6

2 stops19h 05m

C$ 326

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 18/6

1 stop9h 56m

Toronto Pearson Intl

Tue 25/6

2 stops18h 47m

C$ 337

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 4/6

1 stop15h 33m

Toronto Pearson Intl

Thu 6/6

2 stops14h 25m

C$ 339

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 4/6

1 stop15h 33m

Toronto Pearson Intl

Thu 6/6

3 stops14h 50m

C$ 348

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Thu 27/6

1 stop14h 30m

Toronto Pearson Intl

Sun 30/6

1 stop18h 53m

C$ 563

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Tue 17/9

2 stops22h 03m

Toronto Pearson Intl

Fri 20/9

2 stops24h 07m

C$ 768

OaklandToronto Pearson Intl

OAK - YYZ

OAKYYZ

Oakland

Wed 26/6

1 stop7h 52m

Toronto Pearson Intl

Wed 10/7

1 stop9h 02m

C$ 890

Flights are sorted by cheapest first

Deals found on 9/5

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

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 9 May 2024.
See what other customers who have flown with Alaska Airlines, Sun Country Air and Delta from Oakland to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,140 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
10,778 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

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

Aeromexico
7.6
Good
2,561 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,667 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

Reviews

1 / 10

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

Sun Country Air
7.2
Good
640 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Food

7.3

Crew

8.6

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 11.3 km from the centre of the city.

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

    Yes, there are multiple flights from Oakland, California to Region of Ontario for under C$ 300. The cheapest flight booked recently is on Multiple Airlines for just C$ 272, but on average you can expect to pay C$ 392.

  • Are there last-minute flights available from Oakland, California to Region of Ontario for under C$ 500?

    There are currently 20+ open flights from Oakland, California to Region of Ontario within the next 7 days for less than C$ 500.

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

    While some choose either Oakland - Toronto Island or Oakland - Hamilton, Oakland - Toronto Pearson Intl is the most popular route from Oakland, California to Region of Ontario.

  • What does OAK to YYZ mean?

    Oakland Airport is OAK and Toronto Pearson Intl Airport is YYZ. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF).

  • 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 8/5.

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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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.
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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 makes it easy to find Oakland to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Oakland to Ontario for you. Better yet — we are completely free to use.

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

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

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

Yes! Start tracking prices for Oakland to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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