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OAK - ONT

Find cheap flights from Oakland to Ontario from $95

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oakland to Ontario departing on 7/31. 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.
1 adult
0 bags
Tue 6/4
Tue 6/11

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oakland to Ontario.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Oakland to Ontario.
In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Cheap flight deals from Oakland to Ontario (OAK-ONT)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Oakland to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:55 pm - 10:15 pmOAK-ONT
1h 20mnonstop
8:40 am - 9:55 amONT-OAK
1h 15mnonstop
$185Southwest
Find Deal
Tue, Jun 18 - Thu, Jun 20
8:55 pm - 10:15 pmOAK-ONT
1h 20mnonstop
1:30 pm - 12:15 amONT-OAK
10h 45m1 stop
$186Southwest
Find Deal
Tue, Jun 18 - Thu, Jun 20
8:00 am - 11:25 amOAK-ONT
3h 25m1 stop
4:20 pm - 7:55 pmONT-OAK
3h 35m1 stop
$195Southwest
Find Deal
Tue, Jun 18 - Thu, Jun 20
1:20 pm - 10:50 pmOAK-ONT
9h 30m2 stops
4:20 pm - 7:55 pmONT-OAK
3h 35m1 stop
$233Southwest
Find Deal
Tue, Jun 18 - Thu, Jun 20
6:00 am - 11:59 pmOAK-ONT
17h 59m1 stop
8:20 pm - 11:55 pmONT-OAK
27h 35m1 stop
$294Alaska Airlines
Find Deal
Wed, Jul 10 - Tue, Jul 23
2:40 pm - 11:58 pmOAK-ONT
9h 18m1 stop
6:00 am - 12:15 pmONT-OAK
6h 15m1 stop
$322Alaska Airlines
Find Deal
Tue, Jun 4 - Wed, Jun 5
6:00 am - 11:51 pmOAK-ONT
17h 51m1 stop
6:00 am - 10:55 pmONT-OAK
16h 55m1 stop
$396Delta
Find Deal
Fri, Oct 18 - Sat, Oct 19
5:50 am - 11:42 pmOAK-ONT
17h 52m1 stop
1:25 pm - 11:55 pmONT-OAK
10h 30m1 stop
$450Delta
Find Deal
Fri, Jun 7 - Sun, Jun 9
10:08 pm - 10:57 pmOAK-ONT
24h 49m2 stops
12:58 am - 8:26 pmONT-OAK
19h 28m2 stops
$795Volaris
Find Deal
Tue, Jun 18 - Mon, Jun 24
10:08 pm - 10:57 pmOAK-ONT
24h 49m2 stops
12:58 am - 4:59 pmONT-OAK
16h 01m1 stop
$807Volaris
Find Deal
Mon, Jun 3 - Sun, Jun 9

Flights from Oakland to Ontario - Travel Insights & Trends

Get data-powered insights and trends into flights from Oakland to Ontario to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Oakland to Ontario?

The average price of all flights from Oakland, California to Ontario clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Ontario on a Tuesday and more expensive on a Monday. On your return trip to Oakland, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Oakland, California to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Oakland, California to Ontario is April, where tickets cost $114 on average. On the other hand, the most expensive months are January and February, where the average cost of tickets is $230 and $188 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Oakland, California to Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Oakland, California to Ontario, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 54 days before departure.

Which airlines provide the cheapest flights from Oakland to Ontario?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Oakland to Ontario found by KAYAK users in the last 72 hours was for $185 on Southwest, followed by Alaska Airlines ($294). One-way flight deals have also been found from as low as $95 on Southwest and from $153 on Alaska Airlines.

How many flights are there between Oakland, California and Ontario per day?

Each day, there are between 2 and 8 nonstop flights that take off from Oakland, California and land in Ontario, with an average flight time of 1h 19m. The most common departure time is 5:00 pm and most flights take off in the morning. Each week, there are 39 flights. The most frequent day of departure is Wednesday, when 21% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Oakland, California and Ontario?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Oakland to Ontario take?

The duration of a nonstop flight to Ontario from Oakland is typically 1h 20m. The journey crosses a distance of 361 miles.

What’s the earliest departure time from Oakland to Ontario?

Early birds can take the earliest flight from Oakland, California at 6:10 am and will be landing in Ontario at 7:30 am.

What’s the latest departure time from Oakland to Ontario?

If you prefer to fly at night, the latest flight from Oakland, California to Ontario jets off at 9:40 pm and lands at 11:00 pm.

Good to know

Low season

October

High season

September

Cheapest flight

$95
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Oakland to Ontario

When to book flights from Oakland to Ontario

Are your dates flexible? Find out the best times to travel from Oakland to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Oakland to Ontario

  • What are the transport options from Ontario International Airport (ONT)?

    A very cost-effective and convenient way to make the trip from the airport to the downtown area is to travel on the line number 61 bus operated by Omnitrans that can take you from the airport to the downtown area in about 17 minutes.

  • Which hotels are near Ontario International Airport?

    One of the best hotel choices for travelers that wish to stay close to this airport is the Comfort Suites Ontario Convention Center, that not only sits close to the airport property but also offers a free airport shuttle.

  • Where are the car rental providers at Ontario International Airport?

    All of the major rental car companies that operate at this airport do so at the offsite rental car center. There is a complimentary shuttle service between the terminal building and the rental car center that is quite easy to access at the curbside just outside of the baggage claim exit doors.

  • Where can I meet my driver at at Ontario International Airport?

    Both of the terminal buildings offer dedicated rideshare pick-up areas. To find these areas, simply exit the terminal building from the baggage claim area, and you will quickly find signage showing the location of the designated pick-up points on the curbside outside the terminal.

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

    In the last 3 days, the lowest price for a flight from Oakland, California to Ontario was $95 for a one-way ticket and $185 for a round-trip.

  • Do I need a passport to fly between Oakland and Ontario?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Oakland to Ontario?

    The Boeing 737-700 Passenger/BBJ1 (winglets) is the aircraft model that flies most regularly on the Oakland to Ontario flight route.

  • On which days can I fly direct from Oakland to Ontario?

    There are nonstop flights from Oakland to Ontario on a daily basis.

  • Which is the best airline for flights from Oakland to Ontario, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Oakland to Ontario are Alaska Airlines and Delta. With an average price for the route of $384 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $153 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Oakland to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oakland to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oakland to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Oakland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oakland to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Oakland with another airline. Booking your flights between Oakland and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oakland to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Oakland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from OAK to Ontario

  • For those travelers that would like to make their way from the downtown area of Oakland to the Oakland International Airport (OAK) without having to drive in their own car, a good option is to take the Bay Area Rapid Transit Orange line to the Colosseum station and then transfer to the beige line to continue to the airport. This entire trip takes around 22 minutes to finish.
  • Passengers that are going to drive their own car to the Oakland International Airport should be aware of the fact that this airport offers quite a variety of different parking choices ranging from their premier lot that offers the closest parking to the terminal building down to their economy lot that offers the cheapest daily rates and free shuttle service back to the terminal building.
  • Nursing moms traveling through the Oakland International Airport should know that this airport offers two Mamava Nursing Pod locations at this airport with one of these pods being in each of the terminal buildings at the airport.
  • If you are trying to find a comfortable place to wait for your flight at Oakland International Airport, one location to consider is the Escape Lounge, that has a location near gate eight. You can go online to book your spot ahead of time, and when you get to the lounge, you will see that it offers plenty of comfortable seating options as well as a good selection of food and beverage choices.
  • For those travelers that will be making the trip to Ontario with a pet or a service animal, it is good to know that the Oakland International Airport features pet relief areas both inside and outside of the terminal buildings. The indoor space sits adjacent to gate 25 and features a sink, cleaning tools, artificial turf, and a miniature red fire hydrant.
See more tips

Prefer to fly non-stop from Oakland to Ontario?

Find which airlines fly direct from Oakland to Ontario, which days they fly and book direct flights.

Nonstop departures

Oakland to Ontario

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Nonstop returns

Ontario to Oakland

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights
See more direct flights

Top 5 airlines serving from Oakland to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Oakland to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Oakland to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Breeze AirwaysOverall score based on 75 reviews
8.3Boarding
6.4Entertainment
8.1Comfort
8.9Crew
6.7Food
Airline reviews

The only thing that would make the experience better is a little more leg room and the overhead bins are very low. I hit my head when I was settling into the middle seat and was nervous about poking my eye on the corner of a lowered bin when I was deplaning.

8.0 ExcellentKaren, Apr 2024CAK - LAS
Read more about Breeze Airways reviews

The only thing that would make the experience better is a little more leg room and the overhead bins are very low. I hit my head when I was settling into the middle seat and was nervous about poking my eye on the corner of a lowered bin when I was deplaning.

It helps manage expectations to know that this is a discount airline. I brought my own snacks so that I wouldn't have to buy something if I got hungry or thirsty for soda during the flight. One of my seat mates was unaware that he would have to pay $4 for a Coke and was a bit upset. He hadn't listened to the flight attendant say "Drinks for purchase?". All of the employees I interacted with were friendly and professional. My one complaint is that the overhead bins are very low when they are open. I was heading for the middle seat and unexpectedly hit the top of my head on the bottom of the open overhead bin. The headrests were also a little uncomfortable. But overall, for the price, it was a decent value, and I would fly Breeze again.

Flight was on time. The crew was efficient and kind.

Did not like the fact that I was charged to take on a bag I usually put in the overhead

My flight was delayed, not by much.?very good communication during fest and waiting to board.

Communication with airline electronically was difficult. No number seemed available to talk to customer service.

What could have been better is if Discover credit card would be able to purchase food

Crew was inconsistent in instructions in advising passengers about seat backs during take off. Perfunctory announcements except from cabin.

The experience with Breeze was really great. The app makes managing flights easy. You can check in on there 24 hours in advance, and your boarding pass is there, too. The flight crew and the staff at both our airports were wonderful. Snacks and drinks were reasonably priced. The seats were very comfortable, they even had adjustable headrests on every seat. The only downside is not having entertainment or Wi-Fi available onboard.

The price is amazing. I was worried about how the flight would be as I never flew then. Seats were very comfortable. We had lots of legroom. The Akron airport was really nice. Overall it didn't have the stress we usually experience with flying. Highly recommend

They canceled the flight 30 minutes prior to departure without any heads up.

We had a very scary attempted landing in Palm Springs and were redirected to Ontario. It was a stressful flight.

Every thing means , crew, service, timing, boarding is very good.

Good - San Jose security is a breeze. Exact opposite of San Diego. Flight on time. Bad - FA's were not that cheery or polite. I thought we may blow out a tire as the pilot slammed down a hard landing in perfect conditions. He came in pretty hot like he had a date waiting.

The messaging about the change in flight destination and options for getting to SFO was poor. There should have been frequent updates. When I spoke to the boarding agent moment before we were supposed to board, he was flippant and offered no help before the announcement was made that transportation would be arranged. It was as poor of an experience that I've ever had.

My plane ride down landed 20 min late. Boarding at SFO was strange too. The people at the terminal were nice—but, boarding lacked direction, and was confusing . Coming back was worse—the plane was hours behind—and I barely caught the last Bart train back to San Francisco (3 min more and I would have been in trouble). It was a very stressful trip, and it didn’t need to be.

the departure got delayed due to SJC situation, but it was a quite good waiting thanks to Alaska airline teams.

WiFi connection bad. Food is really awful. Crew very nice and efficient

It was the worst experience because they delayed the flight by 2 and half hours. We were supposed to depart by 3:41 but they did the depart by 6 pm. It was so boring!!

The flight was diverted and departed from San Jose instead of San Francisco. This could’ve been executed more smoothly because after arriving in San Jose it seemed like nothing was being processed correctly as needed for the gate agents to do their jobs well and the flight to leave on time

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

Generally good but there wasn’t any staff available when my luggage didn’t appear at baggage claim in Fresno. It took about half an hour to locate a staff member to open up the locked room where it was being kept.

Do not like the feeling of being in the basic economy. Everyone should feel good no matter what.

Our original business class flight was cancelled so we not only downgraded but we were also spread out across the plane not sitting together in separate middle seats. My poor kids were scared and couldn’t see me on the flight and the crew wasn’t sensitive to the situation and what the airlines did to us. Very dissatisfied with United airlines.

The WiFi didn’t work and the seats are too close together. Very uncomfortable.

So so. Terrible aircraft choice for that leg of the flight.

delay several times and wait extra long to board. no entertainment service because there are problem for some rows. always encounter some delays for the last flight of the day.

On time every leg of the journey and exceptional staff at counter, gate, and on board. I haven’t travelled in US for a long time and was genuinely surprised how pleasant this was.

This was a Lufthansa flight. Disappointing main meal. Very rough over Canada and arrival at FRA. IFE was almost unusable.

Too many fees (but that seems to apply to all airlines nowadays)

The guy with severe body odor sat next to me. For the whole duration of the flight it was a torture. The airline should have better policy on limiting people with bad body odor to board the flight. Passengers should not be the ones to endure bad odor for the whole duration of the flight. The airline should be e the one to ensure decent air quality for ever passenger.

They charged me 212.00 for a heavy check in bag at the gate. The pricing and process was so confusing - as if it was designed to purposefully gouge customers who need to board plane. That experience combined with the outrageous price charged will prevent me from ever flying Spirit again. And I’ll be sure to tell the story to anyone who cares to hear.

The text told me it was changed to Terminal E and Gate D5. But with no one on site to ask questions there was confusion on where to go as all the gates were E's. Then we took the skyline to the D area. We left to get something to eat. No announcement was made but my daughter happened to asked and they told her our gate was moved to D12. I will not fly Spirit again.

The agent at the check in desk was absolutely rude. The rest of the team after that was good, but the check in process at LAS was miserable. The woman at the desk spoke like we were stupid and was rude throughout the process.

Its so random that they only allow 40 pounds on checked bags when all airlines take 55. They then charge you for each 10 extra pounds, so my checked suitcase was $130 and the flight $30 ... its like whattt, im for sure not traveling with Spirit again

So bad. The check in process was laborious and the check in agent didn't seem to know how to manage the process efficiently and was confused about how to check in my son's sports equipment. The baggage fees were outrageous and so expensive. $90 for a carry on bag? And $200 additional for 2 check ins. The security lines were insanely long and the terminal was not very nice in the Spirit area. $5 for a water on board. It was my first and last time flying Spirit - I tried to save $ by flying them due to the accommodating schedule but I should have paid for Southwest, because it would've actually ended up less expensive due to the free bags with Southwest. There were no charging ports on the airplane, no wifi and really uncomfortable seating. The flight crew were great though, courteous and efficient in their boarding. Flight was delayed 1 hour, but we made up 15 minutes in flight.

My experience was better than expected. What I did find not so great was the seats. Very little room, they did not recline and the tray table was the size of a post card. There was no food to try, just standard snacks that you had to pay for and I don’t know of any entertainment. I would fly again even though everything was an upcharge. Flight was on time with little disturbance

thy don't even ofer water we have to buy it for $4.49 and paid for our cary on bags $100 each we never will fly in this company again.

Super cool and laid back, three lovely ladies. Couldn’t ask for better service.

It was fine. Boarding was a little rude. On flight staff was great. The cost to purchase everything was a bit annoying but I get that's the business model.

Our flight was delayed an hour, then when we got to board our flight finally, we were waiting in our seats for take off for 45 minutes before it was communicated that there was a maintenance issue therefore we waited on the plane for over an hour while that was resolved. We did not get to Phoenix until almost 3 hours after we were originally supposed to. This was the first and last time I will be flying Frontier.

There were 3 leg for the trip and each leg was delayed by 90 minutes or more. The boarding process takes forever with people waiting on the jetway even though most folks do not have carry-on. The whole process is poorly managed.

They cancelled the flight then did nothing to help us rebook. It was awful - I won’t fly with them again

The process of buying the ticket and navigating all the hidden charges that Frontier throws at you was a terrible experience. The actual airport experience and flying was fine.

The truck that was refueling the plane drove away with the hose still connected to the plane and ripped part of the plane off with it

Terrible. Seats are bad and the baggage policy is inconsistent

Better than I expected but I did pay for a seat and carry on bags ahead of time.

The boarding time. I was in Section 1 the lady in charge just let people in section 3 without see us. Make a line , I have to step out and ask her. We were in the line and she just take my ticket and that’s it, so if I don’t ask her she could leave us at the end! We paid more for that privilege and. She doesn’t care….

I hope to avoid flying with them in the future. First flight got cancelled then got stuck with a 13 hour layover in Denver. The process was long and frustrating to many people.

Flight was delayed on the runway for 40 minutes the crew did not even offer even water to passengers to compensate for the flight delayed. The flight was delayed due to aircraft mechanical issues. Worst customer service ever

Book cheap flights from Oakland to Ontario

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Oakland to Ontario found on KAYAK in the last 72 hours.
7/31Wed
nonstopSouthwest
1h 20mOAK-ONT
$95
6/5Wed
1 stopAlaska Airlines
13h 14mOAK-ONT
$153
6/4Tue
1 stopAlaska Airlines
12h 43mOAK-ONT
$163
5/11Sat
1 stopDelta
15h 49mOAK-ONT
$327
5/9Thu
1 stopDelta
17h 53mOAK-ONT
$346
5/20Mon
2 stopsVolaris
24h 49mOAK-ONT
$454
5/14Tue
2 stopsVolaris
24h 49mOAK-ONT
$461
9/26Thu
1 stopHawaiian Airlines
13h 45mOAK-ONT
$468
5/18Sat
2 stopsAmerican Airlines
9h 34mOAK-ONT
$1,137
5/17Fri
2 stopsAmerican Airlines
9h 34mOAK-ONT
$1,142

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Last minute flights from Oakland to Ontario

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Oakland to Ontario that are departing in the next 10 days.
5/10Fri
multi-stopAlaska Airlines
13h 37mOAK-ONT
8/28Wed
multi-stopAlaska Airlines
8h 06mONT-OAK
$588
5/10Fri
multi-stopAlaska Airlines
13h 37mOAK-ONT
8/28Wed
multi-stopAlaska Airlines
16h 52mONT-OAK
$603
5/9Thu
multi-stopAlaska Airlines
13h 04mOAK-ONT
8/27Tue
multi-stopAlaska Airlines
8h 06mONT-OAK
$678
5/9Thu
multi-stopAlaska Airlines
9h 09mOAK-ONT
8/27Tue
multi-stopAlaska Airlines
17h 52mONT-OAK
$683
5/9Thu
multi-stopAlaska Airlines
11h 38mOAK-ONT
8/27Tue
multi-stopAlaska Airlines
16h 52mONT-OAK
$698
5/8Wed
multi-stopDelta
10h 23mOAK-ONT
5/12Sun
multi-stopDelta
10h 31mONT-OAK
$1,244
5/9Thu
multi-stopDelta
10h 23mOAK-ONT
5/12Sun
multi-stopDelta
10h 31mONT-OAK
$1,247
5/8Wed
multi-stopVolaris
24h 49mOAK-ONT
5/9Thu
multi-stopVolaris
16h 01mONT-OAK
$1,396
5/7Tue
multi-stopAmerican Airlines
11h 24mOAK-ONT
5/8Wed
multi-stopAmerican Airlines
12h 38mONT-OAK
$2,326
5/10Fri
multi-stopAmerican Airlines
31h 43mOAK-ONT
8/27Tue
multi-stopAmerican Airlines
11h 06mONT-OAK
$2,379

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Oakland - Ontario Flights

Departure:

Oakland (OAK)United States

Destination:

Ontario (ONT)United States

Return flight deals:

Ontario - Oakland

Cabin classes:

$489