฿13,110 Cheap Flights from Seoul (ICN) to Ontario (ONT)

View ฿13,110 flight on Mon, 3 Nov 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿13,110 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Seoul to Ontario route information
Origin airport
Incheon Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
9614 km

Perfect flights from Seoul to Ontario

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seoul to Ontario. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Incheon Intl. to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿13,110 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Los Angeles - Ontario Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ontario.

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 . 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 kilometres 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.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Seoul to Los Angeles Intl.
฿15,605.00

Burbank

*Available to Expedia members.