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Cheap flights from Oakland, California to Ontario

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Find the cheapest flights from Oakland, California to Los Angeles

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Oakland, California to Los Angeles.
Southwest Logo
OAK-ONT
1h 25mdirect
Southwest Logo
ONT-OAK
1h 20mdirect
Southwest
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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, July 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 R1 562. The month of May is another great option to travel to Ontario, with average flight prices from Oakland, California averaging around R2 022.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around R3 817 when searching 25 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 R2 628 on momondo.

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

As of April 2025, prices for Oakland, California to Ontario flights are approximately 11% cheaper 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 return 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

Direct flights

None
There are no direct flights from Oakland, California to Ontario. There are no popular flight routes from Oakland, California to Ontario.

  • How far is Oakland to Ontario by plane?

    The straight-line distance from Oakland to Ontario is 587,7 km.

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

    Prices for flights from Oakland Airport to Ontario Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oakland to Ontario for you.

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

Yes. momondo allows you to filter the results for Oakland to Ontario flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Oakland to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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