CA $185 Cheap Flights from Des Moines (DSM) to Ontario (ONT)

View CA $185 flight on Tue, Sep. 23, 2025Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Los Angeles - Ontario Intl. Airport (ONT)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Des Moines (DSM) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $185 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Des Moines (DSM) to Ontario (ONT)

October is typically the cheapest month to fly

From CA $184 - CA $742 per traveller.

Graph displaying average flight prices per month

Des Moines to Los Angeles Flights

The easy way to book your flights from Des Moines to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Des Moines whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 16 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Des Moines to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Des Moines Intl., DSM to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Des Moines to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Des Moines currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario from Des Moines 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

Frequently asked questions

How much is a flight from Des Moines Intl. Airport to Ontario Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Des Moines Intl. Airport (DSM) and Los Angeles - Ontario Intl. Airport (ONT) was . Great fares don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Des Moines Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Each airline has different terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Des Moines Intl. Airport (DSM) to Ontario Airport that have flexible change policies?
Select our "No change fees" filter to find flexible travel options for your flight from Des Moines Intl. Airport to Ontario Airport. This allows you to secure a good price ahead of time and still have the freedom to reschedule without any additional fees. You'll just need to pay the fare difference, if applicable.
How many hours is the flight from Des Moines Intl. Airport (DSM) to ONT?
It takes approximately 5 hours and 17 minutes to journey from DSM to Los Angeles - Ontario Intl. Airport (ONT). But with some TV shows and an interesting book, the hours will go by quicker.
How far is the flight from Des Moines Intl. Airport (DSM) to ONT?
Around 2,300 kilometres separates Des Moines and Ontario, so pack something to keep you busy for a few hours. That action-packed novel you're eager to read will be perfect.
Which airlines fly direct from Des Moines Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
At the moment, no airlines offer direct flights from DSM to ONT. You'll have to book a flight with one or more stops. To get the best price and connections, lock in your fare ahead of time.
Are DSM to ONT flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Des Moines Intl. Airport to Ontario Airport are available up to 12 months prior to departure on Expedia. And although you may nab a great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more options — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Des Moines to Los Angeles Intl.
CA $581.80
*Available to Expedia members.