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$124+ Cheap flights from Oakland to Ontario (OAK - ONT)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ONT
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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Cheap flight deals from Oakland to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Ontario (ONT). 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 July 25, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$237
(KAYAK)

One-way from

$124
(KAYAK)
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 45% potential price drop
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From Oakland to Ontario
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One-way flight from Oakland to Ontario
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What is the cheapest day to fly round-trip from Oakland, California to Ontario?

Monday is generally a great day to depart. Flying on this day could help you save up to 384%.

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

To save on the cost of your flight from Oakland, California to Ontario, book at least 29 days before your planned departure. Booking around this time can save you about 55% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $138 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $194.

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

April can be a great time to fly to Ontario from Oakland, California with a flight ticket averaging about $146. Cheapflights users have found deals in the month of April for as cheap as $44. The most expensive prices can be found in the month of November.

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

A simple way to save on the total cost of your ticket is to fly from Oakland, California to Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the afternoon.

Cheap Oakland to Ontario flights in July & August 2024

Find cheap flight options from Oakland to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Check out some of the best flight deals from Oakland to Ontario in 2024. Check back soon for alternative fares.
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/142:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Wed 8/216:00 amONT - OAK
1 stop17h 52mAlaska Airlines
Deal found 7/24$315
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:27 pmOAK - ONT
1 stop8h 48mAlaska Airlines
Thu 9/57:00 amONT - OAK
1 stop25h 47mAlaska Airlines
Deal found 7/23$322
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:27 pmOAK - ONT
2 stops19h 58mAlaska Airlines
Thu 9/54:28 pmONT - OAK
1 stop7h 24mAlaska Airlines
Deal found 7/23$327
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/216:00 amOAK - ONT
1 stop16h 20mAlaska Airlines
Wed 8/286:00 amONT - OAK
1 stop17h 52mAlaska Airlines
Deal found 7/25$328
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/271:27 pmOAK - ONT
2 stops8h 53mAlaska Airlines
Thu 9/54:28 pmONT - OAK
2 stops16h 19mAlaska Airlines
Deal found 7/23$332
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/176:00 amOAK - ONT
1 stop17h 59mAlaska Airlines
Tue 8/207:00 amONT - OAK
2 stops16h 52mAlaska Airlines
Deal found 7/24$340
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/213:01 pmOAK - ONT
1 stop7h 19mAlaska Airlines
Wed 8/287:00 amONT - OAK
2 stops16h 52mAlaska Airlines
Deal found 7/25$343
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/138:19 pmOAK - ONT
1 stop12h 46mAlaska Airlines
Wed 8/147:55 pmONT - OAK
1 stop12h 17mAlaska Airlines
Deal found 7/24$345
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/142:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Thu 8/156:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Deal found 7/24$347

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 2,752,877 searches. Data last updated July 25, 2024.
Check out some of the best flight deals from Oakland to Ontario in 2024. Check back soon for alternative fares.
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/125:40 pmOAK - ONT
Nonstop1h 25mSouthwest
Sun 9/152:05 pmONT - OAK
Nonstop1h 15mSouthwest
Deal found 7/24$237
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/129:05 amOAK - ONT
Nonstop1h 25mSouthwest
Sun 9/158:50 amONT - OAK
1 stop3h 20mSouthwest
Deal found 7/24$242
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/106:00 amOAK - ONT
1 stop16h 20mAlaska Airlines
Sat 9/146:00 amONT - OAK
1 stop8h 06mAlaska Airlines
Deal found 7/23$262
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/216:26 pmOAK - ONT
1 stop14h 49mAlaska Airlines
Wed 9/254:28 pmONT - OAK
1 stop7h 24mAlaska Airlines
Deal found 7/25$272
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/141:27 pmOAK - ONT
1 stop8h 48mAlaska Airlines
Tue 9/176:00 amONT - OAK
1 stop8h 06mAlaska Airlines
Deal found 7/24$282
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/71:27 pmOAK - ONT
1 stop8h 48mAlaska Airlines
Mon 9/98:49 pmONT - OAK
1 stop12h 58mAlaska Airlines
Deal found 7/24$292
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/69:02 pmOAK - ONT
1 stop12h 13mAlaska Airlines
Mon 9/98:49 pmONT - OAK
1 stop12h 58mAlaska Airlines
Deal found 7/24$297
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/186:00 amOAK - ONT
1 stop9h 33mAlaska Airlines
Sun 9/227:00 amONT - OAK
1 stop25h 47mAlaska Airlines
Deal found 7/24$302
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/136:00 amOAK - ONT
1 stop27h 15mAlaska Airlines
Mon 9/168:49 pmONT - OAK
1 stop12h 58mAlaska Airlines
Deal found 7/24$303

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 2,752,877 searches. Data last updated July 25, 2024.
Users seeking a last-minute flight from Oakland to Ontario should consider booking one of these fares. To prevent any unwanted surprises, users should verify their flight info before booking.
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/307:05 amOAK - ONT
Nonstop1h 20mSouthwest
Wed 7/313:40 pmONT - OAK
Nonstop1h 15mSouthwest
Deal found 7/25$526
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/12:40 pmOAK - ONT
1 stop9h 19mAlaska Airlines
Wed 8/710:00 amONT - OAK
1 stop13h 55mAlaska Airlines
Deal found 7/24$668
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:52 amOAK - ONT
2 stops10h 33mAlaska Airlines
Wed 8/710:00 amONT - OAK
1 stop13h 55mAlaska Airlines
Deal found 7/24$673
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:52 amOAK - ONT
1 stop13h 48mAlaska Airlines
Thu 8/86:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Deal found 7/25$695
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Thu 8/86:00 amONT - OAK
1 stop17h 55mAlaska Airlines
Deal found 7/25$700
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/410:04 amOAK - ONT
1 stop13h 55mAlaska Airlines
Fri 8/98:20 pmONT - OAK
1 stop13h 00mAlaska Airlines
Deal found 7/25$746
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:52 amOAK - ONT
1 stop10h 23mAlaska Airlines
Mon 8/197:55 pmONT - OAK
1 stop16h 52mAlaska Airlines
Deal found 7/25$747
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:52 amOAK - ONT
2 stops15h 07mAlaska Airlines
Thu 8/811:20 amONT - OAK
2 stops12h 35mAlaska Airlines
Deal found 7/25$765
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/37:12 pmOAK - ONT
2 stops28h 47mAlaska Airlines
Mon 8/57:55 pmONT - OAK
1 stop12h 17mAlaska Airlines
Deal found 7/25$777

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 2,752,877 searches. Data last updated July 25, 2024.
Users in need of a one-way flight from Oakland to Ontario can choose from these deals. Those seeking round-trip flights from Oakland to Ontario should utilize the search form at the the top of the page.
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/15:50 pmOAK - ONT
1 stop4h 10mSouthwest
Deal found 7/24$124
This eDestinos deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/511:59 amOAK - ONT
2 stops30h 17mMultiple Airlines
Deal found 7/24$125
This KAYAK deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/168:25 pmOAK - ONT
Nonstop1h 25mSouthwest
Deal found 7/23$127
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/14:10 pmOAK - ONT
2 stops5h 50mSouthwest
Deal found 7/24$129
This KAYAK deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/163:10 pmOAK - ONT
1 stop4h 50mSouthwest
Deal found 7/23$133
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/16:00 amOAK - ONT
1 stop17h 54mAlaska Airlines
Deal found 7/25$137
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/11:15 pmOAK - ONT
3 stops8h 45mSouthwest
Deal found 7/24$144
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/99:02 pmOAK - ONT
1 stop12h 13mAlaska Airlines
Deal found 7/25$147
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/201:27 pmOAK - ONT
2 stops8h 53mAlaska Airlines
Deal found 7/24$156

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$237 - $763

Route

Depart

Return

Price

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 9/12

Nonstop1h 25m

Ontario

Sun 9/15

Nonstop1h 15m

$237

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 9/12

Nonstop1h 25m

Ontario

Sun 9/15

1 stop3h 20m

$242

OaklandOntario

OAK - ONT

OAKONT

Oakland

Tue 9/10

1 stop16h 20m

Ontario

Sat 9/14

1 stop8h 06m

$262

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 9/21

1 stop14h 49m

Ontario

Wed 9/25

1 stop7h 24m

$272

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 9/14

1 stop8h 48m

Ontario

Tue 9/17

1 stop8h 06m

$282

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 9/7

1 stop8h 48m

Ontario

Mon 9/9

1 stop12h 58m

$292

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 9/21

1 stop22h 48m

Ontario

Tue 9/24

1 stop7h 24m

$297

OaklandOntario

OAK - ONT

OAKONT

Oakland

Fri 8/23

1 stop28h 18m

Ontario

Thu 8/29

1 stop20h 32m

$716

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 9/12

1 stop9h 09m

Ontario

Mon 9/16

2 stops11h 29m

$763

Flights are sorted by cheapest first

Deals found on 7/24

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

Use this chart to determine the cheapest time to fly round-trip from Oakland to Ontario. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Oakland, California to Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings 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 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.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, 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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 July 25, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Volaris and Southwest 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.
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Food

7.3

Comfort

8.1

Overall

8.2

Entertainment

7.8

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
5,641 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Food

7.3

Comfort

8.1

Overall

8.2

Entertainment

7.8

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
9,365 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Food

7.3

Comfort

8.1

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

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

Hawaiian Airlines
8.0
Very good
2,298 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Food

7.3

Comfort

8.1

Overall

8.2

Entertainment

7.8

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
6.7
Okay
1,405 reviews
Southwest
8.2
Very good
5,641 reviews

Boarding

8.3

Crew

8.7

Food

7.3

Comfort

8.1

Overall

8.2

Entertainment

7.8

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 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 airports do I use to fly from Oakland to Ontario?

    If you book a flight from Oakland to Ontario, you will be flying from Oakland to Ontario. Flights to Ontario (ONT) from Oakland (OAK) take 1h 25m for a nonstop flight. There are 4 flights from Oakland to Ontario per day from 6 airlines.

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

    Yes, there are multiple flights from Oakland, California to Ontario for under $300. The cheapest flight booked recently is on Southwest for just $237, but on average you can expect to pay $302.

  • Are there nonstop flights from Oakland, California to Ontario for under $300 on Cheapflights?

    Cheapflights has at least 1 direct flight from Oakland, California to Ontario under $300. A good price for a nonstop flight from Oakland, California to Ontario is less than $237.

  • Are there last-minute flights available from Oakland, California to Ontario for under $600?

    There are currently 20+ open flights from Oakland, California to Ontario within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Oakland, California to Ontario round-trip?

    Our cheapest airline available from Oakland, California to Ontario is Southwest. Our recent data shows that you can find tickets from as low as $237 on this airline. An additional option worth looking into is Alaska Airlines, starting at $262.

  • What does OAK to ONT mean?

    OAK and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. OAK to ONT refers to a flight route from Oakland Airport to Ontario Airport.

  • 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 Ontario flight deals updated?

    The Oakland, California to Ontario flight deals you see on this page were last updated on 7/25.

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Oakland, California to Ontario (average of $237). Flying from Oakland, California to Ontario in July is currently the most expensive (average of $293). 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.

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Top 6 airlines flying from Oakland to Ontario

Discover the top 6 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$108FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$42Average$106FlexibilityNo cancel feeOn-time65%
DeltaCheapest$65Average$153FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$79Average$147FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$87Average$268FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$132Average$438FlexibilityNo cancel feeOn-time75%
Chicago to Phoenix flights
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Houston to Mexico City flights
Kansas City to Orlando flights
New York to Denver flights
San Diego to Honolulu flights
Oakland, California to Porto 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
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Hourly flight availability from Oakland to Ontario

Find hourly flight availability from Oakland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
57%of flight departuresMorning6 am to noon
8%of flight departuresAfternoonNoon to 6 pm
34%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Oakland to Ontario

Explore weekly flight availability from Oakland to Ontario. 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 July 25, 2024.
Sunday4daily flights
Monday5daily flights
Tuesday3daily flights
Wednesday4daily flights
Thursday5daily flights
Friday5daily flights
Saturday3daily flights

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