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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
6:00 am - 1:05 pm
OAK
-
ONT
7h 05m
1 stop
Southwest Logo
9:20 am - 3:05 pm
ONT
-
OAK
5h 45m
1 stop
$197Southwest
mar., mar. 24 - mié., mar. 25
Southwest Logo
1:25 pm - 10:20 pm
OAK
-
ONT
8h 55m
2 stops
Southwest Logo
8:30 am - 1:15 pm
ONT
-
OAK
4h 45m
1 stop
$202Southwest
mar., mar. 24 - mié., mar. 25
Southwest Logo
8:00 pm - 9:20 pm
OAK
-
ONT
1h 20mnonstop
Southwest Logo
4:35 pm - 10:40 pm
ONT
-
OAK
6h 05m
1 stop
$206Southwest
lun., mar. 16 - mar., mar. 17
Southwest Logo
7:25 am - 8:45 am
OAK
-
ONT
1h 20mnonstop
Southwest Logo
10:40 am - 6:15 pm
ONT
-
OAK
7h 35m
2 stops
$212Southwest
sáb., abr. 25 - mar., abr. 28
Southwest Logo
6:35 pm - 8:00 pm
OAK
-
ONT
1h 25mnonstop
Southwest Logo
5:50 pm - 7:15 pm
ONT
-
OAK
1h 25mnonstop
$215Southwest
mar., feb. 17 - jue., feb. 19
Southwest Logo
6:20 pm - 10:05 pm
OAK
-
ONT
3h 45m
1 stop
Southwest Logo
4:35 pm - 10:40 pm
ONT
-
OAK
6h 05m
1 stop
$216Southwest
lun., mar. 16 - mar., mar. 17
Southwest Logo
9:35 am - 7:45 pm
OAK
-
ONT
10h 10m
2 stops
Southwest Logo
4:35 pm - 10:40 pm
ONT
-
OAK
6h 05m
1 stop
$221Southwest
lun., mar. 16 - mar., mar. 17
Southwest Logo
4:15 pm - 5:35 pm
OAK
-
ONT
1h 20mnonstop
Southwest Logo
3:35 pm - 10:00 pm
ONT
-
OAK
6h 25m
1 stop
$225Southwest
mar., feb. 17 - jue., feb. 19
Southwest Logo
5:05 am - 11:05 am
OAK
-
ONT
6h 00m
2 stops
Southwest Logo
10:40 am - 6:15 pm
ONT
-
OAK
7h 35m
2 stops
$227Southwest
sáb., abr. 25 - mar., abr. 28
Southwest Logo
6:05 am - 7:30 am
OAK
-
ONT
1h 25mnonstop
Southwest Logo
3:45 pm - 10:25 pm
ONT
-
OAK
6h 40m
1 stop
$228Southwest
vie., may. 15 - mié., may. 20

Southwest flights from Oakland, California to Ontario

Our best Southwest deals on Oakland, California to Ontario flight tickets
Southwest
Mar 24
OAK6:00 amOakland
7h 05m
1 stop
ONT1:05 pmOntario
Mar 25
ONT9:20 amOntario
5h 45m
1 stop
OAK3:05 pmOakland
$197
Southwest
Mar 24
OAK1:25 pmOakland
8h 55m
2 stops
ONT10:20 pmOntario
Mar 25
ONT8:30 amOntario
4h 45m
1 stop
OAK1:15 pmOakland
$202
Southwest
Mar 16
OAK8:00 pmOakland
1h 20m
ONT9:20 pmOntario
Mar 17
ONT4:35 pmOntario
6h 05m
1 stop
OAK10:40 pmOakland
$206

Alaska Airlines flights from Oakland, California to Ontario

Our best Alaska Airlines deals on Oakland, California to Ontario flight tickets
Alaska Airlines
Feb 20
OAK6:15 amOakland
17h 17m
1 stop
ONT11:32 pmOntario
Feb 27
ONT12:02 pmOntario
10h 47m
1 stop
OAK10:49 pmOakland
$255
Alaska Airlines
Feb 27
OAK6:15 amOakland
17h 17m
1 stop
ONT11:32 pmOntario
Mar 2
ONT6:08 pmOntario
15h 16m
1 stop
OAK9:24 amOakland
$264
Alaska Airlines
Mar 4
OAK6:15 amOakland
8h 53m
1 stop
ONT3:08 pmOntario
Mar 9
ONT11:17 amOntario
12h 41m
2 stops
OAK11:58 pmOakland
$298

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 enero 25, 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

mar. 3/24

6:00 am-1:05 pm

1 stop7h 05m

Ontario

mié. 3/25

9:20 am-3:05 pm

1 stop5h 45m

$197

OaklandOntario

OAK - ONT

OAKONT

Oakland

mar. 3/24

1:25 pm-10:20 pm

2 stops8h 55m

Ontario

mié. 3/25

8:30 am-1:15 pm

1 stop4h 45m

$202

OaklandOntario

OAK - ONT

OAKONT

Oakland

lun. 3/16

8:00 pm-9:20 pm

Nonstop1h 20m

Ontario

mar. 3/17

4:35 pm-10:40 pm

1 stop6h 05m

$206

OaklandOntario

OAK - ONT

OAKONT

Oakland

sáb. 4/25

7:25 am-8:45 am

Nonstop1h 20m

Ontario

mar. 4/28

10:40 am-6:15 pm

2 stops7h 35m

$212

OaklandOntario

OAK - ONT

OAKONT

Oakland

mar. 2/17

6:35 pm-8:00 pm

Nonstop1h 25m

Ontario

jue. 2/19

5:50 pm-7:15 pm

Nonstop1h 25m

$215

OaklandOntario

OAK - ONT

OAKONT

Oakland

lun. 3/16

6:20 pm-10:05 pm

1 stop3h 45m

Ontario

mar. 3/17

4:35 pm-10:40 pm

1 stop6h 05m

$216

OaklandOntario

OAK - ONT

OAKONT

Oakland

lun. 3/16

9:35 am-7:45 pm

2 stops10h 10m

Ontario

mar. 3/17

4:35 pm-10:40 pm

1 stop6h 05m

$221

OaklandOntario

OAK - ONT

OAKONT

Oakland

mar. 2/17

4:15 pm-5:35 pm

Nonstop1h 20m

Ontario

jue. 2/19

3:35 pm-10:00 pm

1 stop6h 25m

$225

OaklandOntario

OAK - ONT

OAKONT

Oakland

sáb. 4/25

5:05 am-11:05 am

2 stops6h 00m

Ontario

mar. 4/28

10:40 am-6:15 pm

2 stops7h 35m

$227

OaklandOntario

OAK - ONT

OAKONT

Oakland

vie. 5/15

6:05 am-7:30 am

Nonstop1h 25m

Ontario

mié. 5/20

3:45 pm-10:25 pm

1 stop6h 40m

$228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $136. 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 $185.

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 $132. 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 $259 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

$139

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 $139. The best round-trip flight deal from Oakland, California to Ontario found on momondo in the last 72 hours is $267.
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
FrontierPriceFrom $29Free CancellationRating
5.7
3,058 reviews
Search Frontier flights
United AirlinesPriceFrom $68Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,112 reviews
Search Delta flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,269 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 32 flights on this route every week with an average price of $274. 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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