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Cheap flights from Oakland, California to Los Angeles from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oakland, California to Los Angeles departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Oakland, California to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:45 pm - 2:05 pm
OAK
-
ONT
1h 20mnonstop
Southwest Logo
8:00 pm - 9:25 pm
ONT
-
OAK
1h 25mnonstop
$196Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
9:55 pm - 11:20 pm
OAK
-
ONT
1h 25mnonstop
Southwest Logo
1:40 pm - 10:00 pm
ONT
-
OAK
8h 20m
1 stop
$206Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
7:25 am - 2:00 pm
OAK
-
ONT
6h 35m
2 stops
Southwest Logo
8:00 pm - 9:25 pm
ONT
-
OAK
1h 25mnonstop
$212Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
6:00 am - 7:20 am
OAK
-
ONT
1h 20mnonstop
Southwest Logo
6:45 am - 8:10 am
ONT
-
OAK
1h 25mnonstop
$215Southwest
Thu, Feb 12 - Mon, Feb 16
Southwest Logo
6:00 am - 1:05 pm
OAK
-
ONT
7h 05m
1 stop
Southwest Logo
2:50 pm - 10:35 pm
ONT
-
OAK
7h 45m
1 stop
$216Southwest
Wed, Mar 18 - Mon, Mar 23
Southwest Logo
6:35 pm - 12:05 am
OAK
-
ONT
5h 30m
2 stops
Southwest Logo
6:15 am - 1:15 pm
ONT
-
OAK
7h 00m
1 stop
$221Southwest
Sat, Mar 7 - Tue, Mar 10
Southwest Logo
7:15 am - 2:20 pm
OAK
-
ONT
7h 05m
1 stop
Southwest Logo
10:05 am - 11:30 am
ONT
-
OAK
1h 25mnonstop
$225Southwest
Sat, Feb 21 - Thu, Feb 26
Southwest Logo
12:25 pm - 7:25 pm
OAK
-
ONT
7h 00m
2 stops
Southwest Logo
9:20 pm - 10:45 pm
ONT
-
OAK
1h 25mnonstop
$231Southwest
Sat, Feb 21 - Thu, Feb 26
Southwest Logo
5:25 am - 10:55 am
OAK
-
ONT
5h 30m
1 stop
Southwest Logo
6:00 pm - 10:05 pm
ONT
-
OAK
4h 05m
1 stop
$235Southwest
Thu, Apr 9 - Mon, Apr 13
Southwest Logo
6:00 am - 7:20 am
OAK
-
ONT
1h 20mnonstop
Southwest Logo
6:20 am - 7:45 am
ONT
-
OAK
1h 25mnonstop
$237Southwest
Fri, Feb 13 - Sat, Feb 14

Southwest flights from Oakland, California to Ontario

Our best Southwest deals on Oakland, California to Ontario flight tickets
Southwest
Mar 7
OAK12:45 pmOakland
1h 20m
ONT2:05 pmOntario
Mar 10
ONT8:00 pmOntario
1h 25m
OAK9:25 pmOakland
$196
Southwest
Mar 7
OAK9:55 pmOakland
1h 25m
ONT11:20 pmOntario
Mar 10
ONT1:40 pmOntario
8h 20m
1 stop
OAK10:00 pmOakland
$206
Southwest
Mar 7
OAK7:25 amOakland
6h 35m
2 stops
ONT2:00 pmOntario
Mar 10
ONT8:00 pmOntario
1h 25m
OAK9:25 pmOakland
$212

Alaska Airlines flights from Oakland, California to Ontario

Our best Alaska Airlines deals on Oakland, California to Ontario flight tickets
Alaska Airlines
Feb 4
OAK10:30 amOakland
10h 06m
2 stops
ONT8:36 pmOntario
Feb 10
ONT7:00 amOntario
9h 23m
2 stops
OAK4:23 pmOakland
$273
Alaska Airlines
Feb 5
OAK8:10 amOakland
11h 06m
2 stops
ONT7:16 pmOntario
Feb 10
ONT7:00 amOntario
9h 23m
2 stops
OAK4:23 pmOakland
$283
Alaska Airlines
Feb 4
OAK8:10 amOakland
6h 58m
1 stop
ONT3:08 pmOntario
Feb 10
ONT7:00 amOntario
9h 23m
2 stops
OAK4:23 pmOakland
$288

momondo Fare Finder

 
Customize your flight search to find flights from Oakland, California 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, momondo users made 832,500 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Oakland, California to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 3/7

12:45 pm-2:05 pm

Nonstop1h 20m

Ontario

Tue 3/10

8:00 pm-9:25 pm

Nonstop1h 25m

$196

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 3/7

9:55 pm-11:20 pm

Nonstop1h 25m

Ontario

Tue 3/10

1:40 pm-10:00 pm

1 stop8h 20m

$206

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 3/7

7:25 am-2:00 pm

2 stops6h 35m

Ontario

Tue 3/10

8:00 pm-9:25 pm

Nonstop1h 25m

$212

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 2/12

6:00 am-7:20 am

Nonstop1h 20m

Ontario

Mon 2/16

6:45 am-8:10 am

Nonstop1h 25m

$215

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 3/18

6:00 am-1:05 pm

1 stop7h 05m

Ontario

Mon 3/23

2:50 pm-10:35 pm

1 stop7h 45m

$216

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 3/7

6:35 pm-12:05 am

2 stops5h 30m

Ontario

Tue 3/10

6:15 am-1:15 pm

1 stop7h 00m

$221

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 2/21

7:15 am-2:20 pm

1 stop7h 05m

Ontario

Thu 2/26

10:05 am-11:30 am

Nonstop1h 25m

$225

OaklandOntario

OAK - ONT

OAKONT

Oakland

Sat 2/21

12:25 pm-7:25 pm

2 stops7h 00m

Ontario

Thu 2/26

9:20 pm-10:45 pm

Nonstop1h 25m

$231

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 4/9

5:25 am-10:55 am

1 stop5h 30m

Ontario

Mon 4/13

6:00 pm-10:05 pm

1 stop4h 05m

$235

OaklandOntario

OAK - ONT

OAKONT

Oakland

Fri 2/13

6:00 am-7:20 am

Nonstop1h 20m

Ontario

Sat 2/14

6:20 am-7:45 am

Nonstop1h 25m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Oakland, California to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, August is the cheapest month to fly from Oakland, California to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $205. If you aren’t able to travel during the month of August, then book flights to Ontario from Oakland, California during May instead. Flights to Ontario in May, while not as cheap as those in August, still average around $217.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $133. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Oakland, California to Ontario for around $181.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Oakland, California to Ontario when you can find flight prices for as low as $129. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $277 on average. Flights to Ontario from Oakland, California at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Oakland to Ontario flight route?

Fly from Oakland to Ontario for the best Oakland - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Oakland, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $256 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Oakland, California for as low as $202 on momondo.

What cabin class options are available on Oakland to Ontario flights?

There is only 1 cabin class available to choose from on Oakland to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Oakland, California to Ontario flight prices changed over time?

As of January 2026, prices for Oakland, California to Ontario flights are approximately 48% more expensive when compared to flights at the same time last year.

When to book flights from Oakland, California to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Oakland, California to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Oakland, California to Ontario (OAK to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oakland, California to Ontario

Best Price Found

$209

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Oakland, California in the past 72 hours is $209. The best round-trip flight deal from Oakland, California to Ontario found on momondo in the last 72 hours is $289.
The fastest flight from Oakland, California to Ontario takes 1h 20m
Direct flights go from Oakland, California to Ontario every day.
There is 1 airport in Ontario. From Oakland, California there are direct flights to Ontario (ONT).
Search flight deals

  • How far is Oakland to Ontario by plane?

    The distance between Oakland and Ontario is about 365.2 mi. By plane, this route typically takes 1h 20m.

  • When did momondo last update prices for flights from Oakland Airport to Ontario Airport?

    Prices for flights from Oakland Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Oakland Airport to Ontario Airport?

  • How old do you have to be to fly from Oakland Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Oakland, California to Ontario?

  • What is the most popular airline from Oakland, California to Ontario?

Best airlines flying from Oakland, California to Ontario

Compare and see reviews for airlines that fly from Oakland, California to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $22Free CancellationRating
6.3
8,321 reviews
Search Spirit Airlines flights
FrontierPriceFrom $29Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
United AirlinesPriceFrom $58Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,051 reviews
Search Delta flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

  • Southwest Flights From Oakland, California to Ontario

    The lowest priced Southwest flight from Oakland, California to Ontario from the last 72 hours was $117. Generally, Southwest has 30 flights on this route every week with an average price of $273. Southwest is rated 8.0/10 by our users.

Why use momondo?

Why should I use momondo to find a flight deal from Oakland to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oakland to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Oakland to Ontario with flexible booking policies on momondo?

Flights from Oakland to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oakland to Ontario?

momondo helps you find the best flight between Oakland and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oakland to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oakland to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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