CA $634 Cheap Flights from Seoul (ICN) to Ontario (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

Cheap flights from Seoul (ICN) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $634 for one-way flights and CA $1,032 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
United
China Airlines
China Airlines
China Airlines
Hawaiian Airlines
Korean Air
Flight from Seoul to Ontario (ICN - ONT) route information
Origin airport
Incheon Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
China Airlines, Delta, Korean Air, United
Roundtrip price
CA $1,032
Distance
9614 km

Incheon to Los Angeles Flights

The easy way to book your flights from Seoul to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Seoul whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 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 Seoul to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Incheon Intl., ICN to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Seoul to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Seoul currently is just CA $1,032 rising to CA $1,671.  

Here are more money-saving tips: 

  • Fly in April 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 Seoul 

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 Incheon Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Incheon Airport to Ontario Airport start from CA $1,032. Make your booking ASAP to score 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 Seoul--Incheon Intl. Airport to Ontario Airport?
Every air carrier has its own terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from ICN to ONT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for ICN to Los Angeles - Ontario Intl. Airport (ONT) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from ICN to Los Angeles - Ontario Intl. Airport (ONT)?
With around 9,700 kilometers separating South Korea and Ontario, your flight will be a long one. Pack wisely and make your trip more comfortable. Simple things like a spare pair of socks and a good neck pillow should be in your carry-on bag.
Which airlines fly direct from ICN to Los Angeles - Ontario Intl. Airport (ONT)?
If you want to travel straight from ICN to Ontario Airport, you’ll need to book a flight with one or more stops. Unfortunately, there aren’t any airlines that fly directly on this route.
Are Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some of the cheapest airfares from Seoul–Incheon Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT) showing up a few weeks prior to the departure date. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance.
*Available to Expedia members.