CA $901 Cheap Flights from Oslo (OSL) to Ontario (ONT)

View CA $901 flight on Mon, Sep. 22, 2025Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap flights from Oslo (OSL) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $901 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Oslo to Ontario (OSL - ONT) route information
Origin airport
Gardermoen
Destination airport
Los Angeles - Ontario Intl.
Distance
8488 km

Oslo to Los Angeles Flights

The easy way to book your flights from Oslo to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Oslo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 17 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 Oslo to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Gardermoen, OSL to Los Angeles - Ontario Intl., ONT 

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

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 Gardermoen Airport (OSL) to ONT?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Oslo Gardermoen Airport and Ontario Airport start from . Book now to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gardermoen Airport (OSL) to Los Angeles - Ontario Intl. Airport (ONT)?
The majority of flights can be cancelled online, but each air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Oslo Gardermoen Airport to ONT that have flexible change policies?
Flights from Oslo Gardermoen Airport to Los Angeles - Ontario Intl. Airport (ONT) with flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the fare difference, without any extra fees to worry about.
How far is the flight from Oslo Gardermoen Airport to Los Angeles - Ontario Intl. Airport (ONT)?
With around 8,500 kilometres separating Gardermoen Airport (OSL) and Ontario Airport, your flight will be a long one. Pack wisely and make your time in the air more comfortable. Simple things like a spare pair of socks and a good neck pillow can make a big difference.
Which airlines fly direct from Oslo Gardermoen Airport to ONT?
If you want to travel straight from Gardermoen Airport (OSL) to ONT, you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.
Are Oslo Gardermoen Airport to ONT flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap fares from OSL to ONT arising a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices so far in advance.

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