Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Oakland, California to Los Angeles from $63

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 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
7:00 am - 8:20 am
OAK
-
ONT
1h 20mnonstop
Southwest Logo
7:20 am - 8:45 am
ONT
-
OAK
1h 25mnonstop
$125Southwest
Wed, Feb 11 - Wed, Feb 25
Southwest Logo
2:45 pm - 4:05 pm
OAK
-
ONT
1h 20mnonstop
Southwest Logo
3:20 pm - 9:45 pm
ONT
-
OAK
6h 25m1 stop
$135Southwest
Wed, Feb 11 - Wed, Feb 25
Southwest Logo
9:35 am - 5:10 pm
OAK
-
ONT
7h 35m2 stops
Southwest Logo
5:50 pm - 7:15 pm
ONT
-
OAK
1h 25mnonstop
$140Southwest
Wed, Feb 11 - Wed, Feb 25
Southwest Logo
3:15 pm - 8:45 pm
OAK
-
ONT
5h 30m2 stops
Southwest Logo
3:20 pm - 9:45 pm
ONT
-
OAK
6h 25m1 stop
$150Southwest
Wed, Feb 11 - Wed, Feb 25
Hawaiian Airlines Logo
8:10 am - 10:59 am
OAK
-
ONT
26h 49m1 stop
Hawaiian Airlines Logo
11:53 am - 4:23 pm
ONT
-
OAK
28h 30m1 stop
$154Hawaiian Airlines
Thu, Jan 8 - Mon, Jan 12
Southwest Logo
3:15 pm - 9:05 pm
OAK
-
ONT
5h 50m2 stops
Southwest Logo
8:30 am - 2:50 pm
ONT
-
OAK
6h 20m2 stops
$155Southwest
Wed, Feb 11 - Wed, Feb 25
Hawaiian Airlines Logo
6:15 am - 3:08 pm
OAK
-
ONT
8h 53m1 stop
Hawaiian Airlines Logo
4:02 pm - 10:49 pm
ONT
-
OAK
6h 47m1 stop
$188Hawaiian Airlines
Wed, Feb 25 - Sat, Feb 28
Southwest Logo
7:00 am - 8:20 am
OAK
-
ONT
1h 20mnonstop
Southwest Logo
6:35 am - 8:00 am
ONT
-
OAK
1h 25mnonstop
$191Southwest
Thu, Jan 8 - Sat, Jan 17
Southwest Logo
1:00 pm - 2:20 pm
OAK
-
ONT
1h 20mnonstop
Southwest Logo
11:10 am - 12:35 pm
ONT
-
OAK
1h 25mnonstop
$192Southwest
Wed, Mar 4 - Thu, Mar 5
Southwest Logo
10:30 am - 1:50 pm
OAK
-
ONT
3h 20m1 stop
Southwest Logo
6:35 am - 8:00 am
ONT
-
OAK
1h 25mnonstop
$196Southwest
Thu, Jan 8 - Sat, Jan 17

Southwest flights from Oakland, California to Ontario

Our best Southwest deals on Oakland, California to Ontario flight tickets
Southwest
Feb 11
OAK7:00 amOakland
1h 20m
ONT8:20 amOntario
Feb 25
ONT7:20 amOntario
1h 25m
OAK8:45 amOakland
$125
Find similar
Southwest
Feb 11
OAK2:45 pmOakland
1h 20m
ONT4:05 pmOntario
Feb 25
ONT3:20 pmOntario
6h 25m
1 stop
OAK9:45 pmOakland
$135
Find similar
Southwest
Feb 11
OAK9:35 amOakland
7h 35m
2 stops
ONT5:10 pmOntario
Feb 25
ONT5:50 pmOntario
1h 25m
OAK7:15 pmOakland
$140
Find similar

Alaska Airlines flights from Oakland, California to Ontario

Our best Alaska Airlines deals on Oakland, California to Ontario flight tickets
Alaska Airlines
Jan 13
OAK8:10 amOakland
28h 56m
2 stops
ONT1:06 pmOntario
Jan 14
ONT5:59 pmOntario
22h 24m
2 stops
OAK4:23 pmOakland
$199
Find similar
Alaska Airlines
Jan 9
OAK5:17 pmOakland
23h 46m
2 stops
ONT5:03 pmOntario
Jan 12
ONT1:46 pmOntario
21h 17m
2 stops
OAK11:03 amOakland
$200
Find similar
Alaska Airlines
Jan 9
OAK5:17 pmOakland
23h 46m
2 stops
ONT5:03 pmOntario
Jan 12
ONT11:53 amOntario
23h 10m
1 stop
OAK11:03 amOakland
$204
Find similar

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 December 4, 2025.
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

Wed 2/11

7:00 am-8:20 am

Nonstop1h 20m

Ontario

Wed 2/25

7:20 am-8:45 am

Nonstop1h 25m

$125

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 2/11

2:45 pm-4:05 pm

Nonstop1h 20m

Ontario

Wed 2/25

3:20 pm-9:45 pm

1 stop6h 25m

$135

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 2/11

9:35 am-5:10 pm

2 stops7h 35m

Ontario

Wed 2/25

5:50 pm-7:15 pm

Nonstop1h 25m

$140

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 2/11

3:15 pm-8:45 pm

2 stops5h 30m

Ontario

Wed 2/25

3:20 pm-9:45 pm

1 stop6h 25m

$150

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 1/8

8:10 am-10:59 am

1 stop26h 49m

Ontario

Mon 1/12

11:53 am-4:23 pm

1 stop28h 30m

$154

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 2/11

3:15 pm-9:05 pm

2 stops5h 50m

Ontario

Wed 2/25

8:30 am-2:50 pm

2 stops6h 20m

$155

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 2/25

6:15 am-3:08 pm

1 stop8h 53m

Ontario

Sat 2/28

4:02 pm-10:49 pm

1 stop6h 47m

$188

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 1/8

7:00 am-8:20 am

Nonstop1h 20m

Ontario

Sat 1/17

6:35 am-8:00 am

Nonstop1h 25m

$191

OaklandOntario

OAK - ONT

OAKONT

Oakland

Wed 3/4

1:00 pm-2:20 pm

Nonstop1h 20m

Ontario

Thu 3/5

11:10 am-12:35 pm

Nonstop1h 25m

$192

OaklandOntario

OAK - ONT

OAKONT

Oakland

Thu 1/8

10:30 am-1:50 pm

1 stop3h 20m

Ontario

Sat 1/17

6:35 am-8:00 am

Nonstop1h 25m

$196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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 Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Oakland, California to Ontario for around $180.

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 $122. 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 $205 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 $251 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 December 2025, prices for Oakland, California to Ontario flights are approximately 23% 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

$149

Fastest flight time

1h 20m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Ontario

1 airport
The best one-way flight to Ontario from Oakland, California in the past 72 hours is $149. The best round-trip flight deal from Oakland, California to Ontario found on momondo in the last 72 hours is $309.
The fastest flight from Oakland, California to Ontario takes 1h 20m
Direct flights go from Oakland, California to Ontario on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Ontario: 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
FrontierPriceFrom $24Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,161 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $68Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,252 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 $119. Generally, Southwest has 20 flights on this route every week with an average price of $270. 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States