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Cheap flights from Ontario to Oakland (ONT - OAK) from $105

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 6/13. 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.
ONT — OAK
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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Cheap flight deals from Ontario to Oakland

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Oakland (OAK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

November

Cheapest in

January

Round-trip from

$268

One-way from

$105
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 35% potential price drop
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From Ontario to Oakland
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One-way flight from Ontario to Oakland
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What is the cheapest day to fly round-trip from Ontario to Oakland, California?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 97% on the overall cost on flights from Ontario to Oakland, California.

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

To save on the cost of your flight from Ontario to Oakland, California, book at least 49 days before your planned departure. Booking around this time can save you about 71% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $133 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $188.

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

The best pricing can be found in the month of April. Prices to Oakland, California from Ontario average $141. You can even find prices in April for less than $141, as users have found deals to Oakland, California from as low as $38. The month of March appears to be one of the more expensive times to travel to Oakland, California from Ontario. Flying in the targeted month can save you up to 11%.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 44% on flights from Ontario to Oakland, California by exploring options for tickets at noon.

Cheap Alaska Airlines flights from Ontario to Oakland

Explore cheap flight options specifically provided by Alaska Airlines for the route between Ontario and Oakland. 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 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Ontario to Oakland. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 7/304:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Wed 7/316:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/29$294
Wed 7/106:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Wed 7/176:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$314
Wed 7/106:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Wed 7/178:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Deal found 5/30$319
Tue 7/304:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Thu 8/86:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$320
Tue 8/204:28 pmONT - OAK
1 stop7h 24mAlaska Airlines
Wed 8/213:01 pmOAK - ONT
1 stop7h 19mAlaska Airlines
Deal found 5/30$334
Fri 9/278:49 pmONT - OAK
1 stop27h 03mAlaska Airlines
Mon 9/307:26 pmOAK - ONT
1 stop27h 26mAlaska Airlines
Deal found 5/29$340
Fri 7/128:20 pmONT - OAK
1 stop27h 35mAlaska Airlines
Tue 7/166:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/29$343
Thu 9/198:49 pmONT - OAK
1 stop27h 03mAlaska Airlines
Sat 9/216:00 amOAK - ONT
1 stop16h 20mAlaska Airlines
Deal found 5/29$344
Fri 9/208:49 pmONT - OAK
2 stops15h 58mAlaska Airlines
Sat 9/213:01 pmOAK - ONT
1 stop7h 19mAlaska Airlines
Deal found 5/29$347

Cheap Volaris flights from Ontario to Oakland

Explore cheap flight options specifically provided by Volaris for the route between Ontario and Oakland. 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 2,784,634 searches. Data last updated May 30, 2024.
Some of the best deals we've found on Volaris flights traveling from Ontario to Oakland. Check back soon if you're not seeing flights that suit your needs.
Wed 6/1212:58 amONT - OAK
1 stop20h 32mVolaris
Sun 6/1611:30 pmOAK - ONT
1 stop23h 27mVolaris
Deal found 5/29$900
Wed 6/1212:58 amONT - OAK
1 stop16h 01mVolaris
Sun 6/1610:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/29$911
Sun 6/912:58 amONT - OAK
1 stop16h 01mVolaris
Wed 6/1210:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/29$988
Tue 6/412:58 amONT - OAK
1 stop20h 32mVolaris
Sat 6/811:59 pmOAK - ONT
1 stop22h 58mVolaris
Deal found 5/28$996
Fri 5/3112:58 amONT - OAK
1 stop20h 32mVolaris
Mon 6/311:59 pmOAK - ONT
1 stop22h 58mVolaris
Deal found 5/30$1,006
Mon 6/312:58 amONT - OAK
1 stop16h 01mVolaris
Thu 6/610:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/29$1,038
Wed 6/1212:58 amONT - OAK
2 stops19h 28mVolaris
Sun 6/1610:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/29$1,040
Fri 5/3112:58 amONT - OAK
1 stop16h 01mVolaris
Mon 6/310:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/28$1,065
Fri 6/712:58 amONT - OAK
1 stop16h 01mVolaris
Sun 6/910:08 pmOAK - ONT
2 stops24h 49mVolaris
Deal found 5/29$1,070

Cheap Ontario to Oakland flights in May & June 2024

Find cheap flight options from Ontario to Oakland specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
These are some of the best deals we've found on flights to Oakland in 2024 at this time. Check back in a little while for more flight options.
Wed 6/196:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Mon 6/248:19 pmOAK - ONT
1 stop12h 46mAlaska Airlines
Deal found 5/28$372
Wed 6/1210:40 amONT - OAK
Nonstop1h 15mSouthwest
Fri 6/146:50 amOAK - ONT
Nonstop1h 20mSouthwest
Deal found 5/30$376
Wed 6/198:20 pmONT - OAK
1 stop27h 35mAlaska Airlines
Fri 6/218:19 pmOAK - ONT
1 stop27h 40mAlaska Airlines
Deal found 5/29$382
Sat 6/228:11 pmONT - OAK
1 stop12h 01mAlaska Airlines
Tue 6/256:00 amOAK - ONT
1 stop13h 25mAlaska Airlines
Deal found 5/29$383
Fri 6/217:55 pmONT - OAK
1 stop12h 17mAlaska Airlines
Tue 6/257:00 pmOAK - ONT
2 stops28h 59mAlaska Airlines
Deal found 5/29$402
Fri 6/217:55 pmONT - OAK
1 stop12h 17mAlaska Airlines
Tue 6/256:00 amOAK - ONT
1 stop13h 25mAlaska Airlines
Deal found 5/29$403
Thu 6/276:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Tue 7/26:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$407
Wed 6/127:05 amONT - OAK
1 stop3h 45mSouthwest
Fri 6/1411:10 amOAK - ONT
Nonstop1h 20mSouthwest
Deal found 5/30$409
Tue 6/257:00 amONT - OAK
1 stop25h 12mAlaska Airlines
Thu 6/278:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Deal found 5/29$412

Ontario to Oakland 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Oakland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
These are some of the best deals we've found on flights to Oakland in 2024 at this time. Check back in a little while for more flight options.
Tue 7/304:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Wed 7/316:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/29$294
Tue 7/96:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Wed 7/106:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$314
Wed 7/106:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Wed 7/178:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Deal found 5/30$319
Tue 7/304:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Thu 8/86:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$320
Tue 8/204:28 pmONT - OAK
1 stop7h 24mAlaska Airlines
Wed 8/213:01 pmOAK - ONT
1 stop7h 19mAlaska Airlines
Deal found 5/30$334
Tue 7/97:00 amONT - OAK
2 stops16h 55mAlaska Airlines
Wed 7/106:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/30$339
Fri 9/278:49 pmONT - OAK
1 stop27h 03mAlaska Airlines
Mon 9/307:26 pmOAK - ONT
1 stop27h 26mAlaska Airlines
Deal found 5/29$340
Fri 7/128:20 pmONT - OAK
1 stop27h 35mAlaska Airlines
Tue 7/166:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Deal found 5/29$343
Thu 9/198:49 pmONT - OAK
1 stop27h 03mAlaska Airlines
Sat 9/216:00 amOAK - ONT
1 stop16h 20mAlaska Airlines
Deal found 5/29$344

Non-stop flights to Oakland from Ontario

Discover non-stop flight options from Ontario to Oakland. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
For a quicker trip, book one of these direct flights from Ontario to Oakland. Search for alternative flights from Ontario to Oakland by utilizing the search form above.
Wed 6/1210:40 amONT - OAK
Nonstop1h 15mSouthwest
Fri 6/146:50 amOAK - ONT
Nonstop1h 20mSouthwest
Deal found 5/30$376

Ontario to Oakland flights leaving soon

Find last-minute flight options from Ontario to Oakland 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 2,784,634 searches. Data last updated May 30, 2024.
Book one of these great deals on flights from Ontario to Oakland. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 6/126:00 amONT - OAK
1 stop6h 15mAlaska Airlines
Thu 6/136:00 amOAK - ONT
1 stop13h 25mAlaska Airlines
Deal found 5/29$452
Wed 6/126:00 amONT - OAK
1 stop6h 15mAlaska Airlines
Sun 6/166:00 amOAK - ONT
1 stop27h 05mAlaska Airlines
Deal found 5/29$477
Wed 6/126:00 amONT - OAK
1 stop6h 15mAlaska Airlines
Wed 6/122:40 pmOAK - ONT
1 stop9h 18mAlaska Airlines
Deal found 5/29$482
Tue 6/118:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Tue 6/184:50 pmOAK - ONT
1 stop7h 09mAlaska Airlines
Deal found 5/29$497
Tue 6/118:09 pmONT - OAK
1 stop13h 51mAlaska Airlines
Thu 6/136:00 amOAK - ONT
1 stop9h 29mAlaska Airlines
Deal found 5/29$507
Wed 6/126:00 amONT - OAK
1 stop6h 15mAlaska Airlines
Fri 6/148:19 pmOAK - ONT
1 stop12h 46mAlaska Airlines
Deal found 5/29$510
Wed 6/54:21 pmONT - OAK
1 stop7h 38mAlaska Airlines
Wed 6/126:00 amOAK - ONT
1 stop9h 26mAlaska Airlines
Deal found 5/29$528
Wed 6/126:00 amONT - OAK
1 stop6h 15mAlaska Airlines
Wed 6/192:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Deal found 5/29$537
Wed 6/510:00 amONT - OAK
1 stop13h 59mAlaska Airlines
Wed 6/126:00 amOAK - ONT
1 stop17h 58mAlaska Airlines
Deal found 5/29$547

One-way flights to Oakland from Ontario

Search for one-way flight options from Ontario to Oakland. 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 2,784,634 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Ontario to Oakland can choose from these deals. Users can also find round-trip Ontario to Oakland flights by using the search form above.
Thu 6/134:45 pmONT - OAK
Nonstop1h 15mSouthwest
Deal found 5/29$105
Thu 6/138:45 amONT - OAK
1 stop4h 35mSouthwest
Deal found 5/29$114
Thu 6/1312:45 pmONT - OAK
2 stops6h 35mSouthwest
Deal found 5/29$119
Tue 7/164:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Deal found 5/29$147
Tue 8/276:00 amONT - OAK
1 stop17h 52mAlaska Airlines
Deal found 5/28$153
Wed 8/286:00 amONT - OAK
1 stop8h 06mAlaska Airlines
Deal found 5/29$161
Tue 7/94:24 pmONT - OAK
1 stop7h 31mAlaska Airlines
Deal found 5/29$167
Tue 10/87:30 amONT - OAK
2 stops24h 57mAlaska Airlines
Deal found 5/30$172
Mon 7/298:20 pmONT - OAK
1 stop27h 35mAlaska Airlines
Deal found 5/30$173

Find flights from Ontario to Oakland within your budget

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$294 - $441

Route

Depart

Return

Price

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 7/30

1 stop7h 31m

Oakland

Wed 7/31

1 stop17h 59m

$294

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Wed 7/10

1 stop17h 55m

Oakland

Wed 7/17

1 stop17h 59m

$314

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Wed 7/10

1 stop17h 55m

Oakland

Wed 7/17

2 stops15h 07m

$319

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 7/30

1 stop7h 31m

Oakland

Thu 8/8

1 stop17h 59m

$320

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Tue 8/20

1 stop7h 24m

Oakland

Wed 8/21

1 stop7h 19m

$334

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Fri 9/27

1 stop27h 03m

Oakland

Mon 9/30

1 stop27h 26m

$340

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Fri 7/12

1 stop27h 35m

Oakland

Tue 7/16

1 stop17h 59m

$343

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Thu 9/19

1 stop27h 03m

Oakland

Sat 9/21

1 stop16h 20m

$344

OntarioOakland

ONT - OAK

ONTOAK

Ontario

Thu 7/4

1 stop9h 49m

Oakland

Sat 7/6

1 stop10h 44m

$441

Flights are sorted by cheapest first

Deals found on 5/29

What is the cheapest day to fly from Ontario to Oakland, California?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Oakland. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Oakland, California flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Oakland by month

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

SFO

Temperature

51.8 - 62.6 °F

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 May 30, 2024.
Read reviews from past customers who have flown Alaska Airlines, Volaris and American Airlines from Ontario to Oakland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,956 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,201 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,457 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
14,284 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Volaris
6.6
Okay
1,476 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 airports do I use to fly from Ontario to Oakland?

    If you wish to fly to Oakland from Ontario, then you need to book flights from Ontario to Oakland. There are 4 flights from Ontario (ONT) to Oakland (OAK) per day to choose from. Flights to Oakland from Ontario are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 4h 24m is how long a nonstop flight from Ontario to Oakland typically takes.

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

    Yes, there are multiple flights from Ontario to Oakland, California for under $300. The cheapest flight booked recently is on Alaska Airlines for just $294, but on average you can expect to pay $345.

  • Are there nonstop flights from Ontario to Oakland, California for under $400 on Cheapflights?

    Cheapflights has at least 1 direct flight from Ontario to Oakland, California under $400. A good price for a nonstop flight from Ontario to Oakland, California is less than $376.

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

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

  • What days are nonstop flights available from Ontario to Oakland, California?

    Nonstop flights are available for this route on the following days: Friday, Saturday.

  • How many flights depart from Ontario to Oakland, California on average per day?

    On average 7 flights depart from Ontario to Oakland, California per day.
    Early Morning (Midnight to 6am) - 14% of flight departures
    Morning (6am - Noon) - 29% of flight departures
    Afternoon (Noon - 6pm) - 29% of flight departures
    Evening (6pm - Midnight) - 29% of flight departures

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

    Alaska Airlines can get you from Ontario to Oakland, California in just under 7h 31m. Your travel time can differ by up to . Airlines will cover a distance of 363 mi.

  • What is the cheapest airline to fly from Ontario to Oakland, California round-trip?

    Currently priced at $294, Alaska Airlines will fly you from Ontario to Oakland, California and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip.

  • What does ONT to OAK mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Oakland Airport flight would often be abbreviated as a ONT to OAK flight.

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

    The amount of baggage you can bring on your Ontario to Oakland 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 Ontario to Oakland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Oakland 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 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.

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

    Many airlines flying from Ontario to Oakland 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 Ontario to Oakland?

    Yes, you can often find last-minute deals on Ontario to Oakland 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 Ontario to Oakland, California flight deals updated?

    The Ontario to Oakland, California flight deals you see on this page were last updated on 5/30.

  • What are the most popular airlines that fly from Ontario to Oakland, California?

    Before booking your flight from Ontario to Oakland, California check out the most popular airlines for this route: Alaska Airlines, Delta or Frontier.

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Oakland, California (average of $168). Flying from Ontario to Oakland, California in June is currently the most expensive (average of $235). 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 Ontario to Oakland
See prices for flight routes from nearby airports that may be better suited for you.

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Oakland to Ontario flights

Top 6 airlines flying from Ontario to Oakland

Discover the top 6 airlines that operate flights from Ontario to Oakland. 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$82FlexibilityNo cancel feeOn-time62%
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Alaska AirlinesCheapest$45Average$337FlexibilityNo cancel feeOn-time75%
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Spirit AirlinesCheapest$53Average$102FlexibilityNo cancel feeOn-time65%
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DeltaCheapest$74Average$198FlexibilityNo cancel feeOn-timeN/A
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Breeze AirwaysCheapest$74Average$126FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$86Average$318FlexibilityNo cancel feeOn-time69%
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Search flights from Ontario to Oakland by cabin class

Find flights from Ontario to Oakland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Ontario to Oakland

Find hourly flight availability from Ontario to Oakland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 30, 2024.
20%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
12%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to Oakland

Explore weekly flight availability from Ontario to Oakland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 30, 2024.
Sunday4daily flights
Monday5daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday5daily flights
Friday5daily flights
Saturday3daily flights

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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 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Oakland.

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

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

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

Of course! You can now track prices for flights from Ontario to Oakland 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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